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Cost engine

How much does ductwork replacement cost?

National price ranges for ductwork replacement, the unit pricing contractors quote from, and what the same job costs across local markets.

Model reviewed August 2026

Ductwork Replacement cost

$2,500 – $12,000

Most homeowners pay around $5,400 for ductwork replacement, or $250–$600 per supply run. Permit fees add $90–$320.

Estimate your job

Run your own numbers before scrolling — the same engine behind the ranges below.

Recommended size

5 tons

Round to the nearest half ton

Cooling load
61,000 BTU/hr
Typical equipment costInstalled, 14-17 SEER2
$8,500 – $16,000
Rule-of-thumb check
400 sq ft per ton

Estimates only. Local pricing, site conditions and code requirements change the real number.

What homeowners reported paying

Invoice amounts submitted by homeowners nationwide, shown beside the model.

Price breakdown

Budget scope$2,500
Typical project$5,400
Premium / complex$12,000
per supply run$250 – $600
Permit fees$90 – $320
Timeline1-3 days of work, 1-3 weeks including permitting

What drives the price

  • Number of supply and return runs
  • Flex duct versus rigid sheet metal
  • Attic access and clearance
  • Return air sizing corrections
  • Removal of contaminated duct board

Cost by state

The same scope priced through each state's labor, material and code load.

Most expensive states

Hawaii$8,900California$7,600Alaska$7,300New York$7,200Massachusetts$7,100District of Columbia$7,000

Least expensive states

Mississippi$4,700West Virginia$4,800Oklahoma$4,800Kansas$4,800Arkansas$4,800South Dakota$4,900

Ductwork Replacement runs about 89% more in Hawaii than in Mississippi for an identical scope — almost entirely a labor and code-load difference.

Ductwork cost in Hawaii$4,100 – $19,800 · +65%Ductwork cost in California$3,500 – $16,900 · +41%Ductwork cost in Alaska$3,400 – $16,200 · +35%Ductwork cost in New York$3,400 – $16,100 · +34%Ductwork cost in Massachusetts$3,300 – $15,700 · +31%Ductwork cost in District of Columbia$3,200 – $15,500 · +29%Ductwork cost in New Jersey$3,200 – $15,300 · +27%Ductwork cost in Connecticut$3,100 – $14,800 · +23%Ductwork cost in Rhode Island$3,000 – $14,500 · +21%Ductwork cost in Washington$3,000 – $14,400 · +20%Ductwork cost in Oregon$3,000 – $14,200 · +19%Ductwork cost in Maryland$2,900 – $13,900 · +16%Ductwork cost in Illinois$2,800 – $13,600 · +13%Ductwork cost in Colorado$2,800 – $13,300 · +10%Ductwork cost in New Hampshire$2,800 – $13,300 · +11%Ductwork cost in Florida$2,700 – $13,100 · +9%Ductwork cost in Nevada$2,700 – $13,000 · +9%Ductwork cost in Delaware$2,700 – $12,800 · +7%Ductwork cost in Maine$2,700 – $12,800 · +7%Ductwork cost in Minnesota$2,700 – $12,800 · +7%Ductwork cost in Pennsylvania$2,700 – $12,900 · +8%Ductwork cost in Vermont$2,700 – $12,900 · +8%Ductwork cost in Virginia$2,700 – $12,700 · +6%Ductwork cost in Arizona$2,600 – $12,300 · +2%Ductwork cost in Montana$2,500 – $12,200 · +1%Ductwork cost in Wisconsin$2,500 – $12,000 · 0%Ductwork cost in Idaho$2,400 – $11,700 · -2%Ductwork cost in Louisiana$2,400 – $11,700 · -2%Ductwork cost in Michigan$2,500 – $11,900 · -1%Ductwork cost in North Dakota$2,500 – $11,800 · -2%Ductwork cost in Texas$2,400 – $11,700 · -2%Ductwork cost in Utah$2,500 – $11,900 · -1%Ductwork cost in Wyoming$2,500 – $11,800 · -2%Ductwork cost in Georgia$2,400 – $11,500 · -4%Ductwork cost in New Mexico$2,400 – $11,500 · -4%Ductwork cost in Indiana$2,300 – $11,200 · -6%Ductwork cost in North Carolina$2,400 – $11,400 · -5%Ductwork cost in Ohio$2,400 – $11,400 · -5%Ductwork cost in South Carolina$2,400 – $11,300 · -6%Ductwork cost in Alabama$2,300 – $11,000 · -8%Ductwork cost in Missouri$2,300 – $11,000 · -8%Ductwork cost in Tennessee$2,300 – $11,000 · -8%Ductwork cost in Iowa$2,300 – $11,000 · -9%Ductwork cost in Kentucky$2,300 – $10,900 · -9%Ductwork cost in Nebraska$2,300 – $10,900 · -9%Ductwork cost in South Dakota$2,300 – $10,900 · -9%Ductwork cost in Arkansas$2,200 – $10,600 · -11%Ductwork cost in Kansas$2,200 – $10,800 · -10%Ductwork cost in Oklahoma$2,200 – $10,600 · -11%Ductwork cost in West Virginia$2,200 – $10,700 · -11%Ductwork cost in Mississippi$2,200 – $10,400 · -13%

State benchmark table

Low, typical and high ductwork replacement pricing in every state, from the same model as the ranges above.

StateLowTypicalHighvs US
Hawaii$4,100$8,900$19,800+65%
California$3,500$7,600$16,900+41%
Alaska$3,400$7,300$16,200+35%
New York$3,400$7,200$16,100+34%
Massachusetts$3,300$7,100$15,700+31%
District of Columbia$3,200$7,000$15,500+29%
New Jersey$3,200$6,900$15,300+27%
Connecticut$3,100$6,700$14,800+23%
Rhode Island$3,000$6,500$14,500+21%
Washington$3,000$6,500$14,400+20%
Oregon$3,000$6,400$14,200+19%
Maryland$2,900$6,300$13,900+16%
Illinois$2,800$6,100$13,600+13%
Colorado$2,800$6,000$13,300+10%
New Hampshire$2,800$6,000$13,300+11%
Florida$2,700$5,900$13,100+9%
Nevada$2,700$5,900$13,000+9%
Delaware$2,700$5,800$12,800+7%
Maine$2,700$5,800$12,800+7%
Minnesota$2,700$5,800$12,800+7%
Pennsylvania$2,700$5,800$12,900+8%
Vermont$2,700$5,800$12,900+8%
Virginia$2,700$5,700$12,700+6%
Arizona$2,600$5,500$12,300+2%
Montana$2,500$5,500$12,200+1%
Wisconsin$2,500$5,400$12,0000%
Idaho$2,400$5,300$11,700-2%
Louisiana$2,400$5,300$11,700-2%
Michigan$2,500$5,300$11,900-1%
North Dakota$2,500$5,300$11,800-2%
Texas$2,400$5,300$11,700-2%
Utah$2,500$5,300$11,900-1%
Wyoming$2,500$5,300$11,800-2%
Georgia$2,400$5,200$11,500-4%
New Mexico$2,400$5,200$11,500-4%
Indiana$2,300$5,100$11,200-6%
North Carolina$2,400$5,100$11,400-5%
Ohio$2,400$5,100$11,400-5%
South Carolina$2,400$5,100$11,300-6%
Alabama$2,300$5,000$11,000-8%
Missouri$2,300$5,000$11,000-8%
Tennessee$2,300$5,000$11,000-8%
Iowa$2,300$4,900$11,000-9%
Kentucky$2,300$4,900$10,900-9%
Nebraska$2,300$4,900$10,900-9%
South Dakota$2,300$4,900$10,900-9%
Arkansas$2,200$4,800$10,600-11%
Kansas$2,200$4,800$10,800-10%
Oklahoma$2,200$4,800$10,600-11%
West Virginia$2,200$4,800$10,700-11%
Mississippi$2,200$4,700$10,400-13%

Cost by city

Same scope, adjusted for local labor, material and permit pricing. Each city also has a permit page.

Ductwork cost in New York$4,200 – $20,100 · +67%Permit rules in New York →
Ductwork cost in Honolulu$4,200 – $20,100 · +67%Permit rules in Honolulu →
Ductwork cost in Hilo$4,000 – $19,300 · +61%Permit rules in Hilo →
Ductwork cost in Kailua$4,000 – $19,300 · +61%Permit rules in Kailua →
Ductwork cost in Kahului$4,000 – $19,300 · +61%Permit rules in Kahului →
Ductwork cost in San Jose$3,900 – $18,500 · +54%Permit rules in San Jose →
Ductwork cost in San Francisco$3,700 – $17,900 · +49%Permit rules in San Francisco →
Ductwork cost in Long Beach$3,700 – $17,500 · +46%Permit rules in Long Beach →
Ductwork cost in Oakland$3,700 – $17,500 · +46%Permit rules in Oakland →
Ductwork cost in Bakersfield$3,700 – $17,500 · +46%Permit rules in Bakersfield →
Ductwork cost in Boston$3,600 – $17,400 · +45%Permit rules in Boston →
Ductwork cost in Anaheim$3,600 – $17,200 · +43%Permit rules in Anaheim →
Ductwork cost in Riverside$3,600 – $17,200 · +43%Permit rules in Riverside →
Ductwork cost in Stockton$3,600 – $17,200 · +43%Permit rules in Stockton →
Ductwork cost in Santa Ana$3,600 – $17,200 · +43%Permit rules in Santa Ana →
Ductwork cost in Irvine$3,600 – $17,200 · +43%Permit rules in Irvine →
Ductwork cost in Chula Vista$3,600 – $17,200 · +43%Permit rules in Chula Vista →
Ductwork cost in Fremont$3,600 – $17,200 · +43%Permit rules in Fremont →
Ductwork cost in Modesto$3,600 – $17,200 · +43%Permit rules in Modesto →
Ductwork cost in Santa Clarita$3,600 – $17,200 · +43%Permit rules in Santa Clarita →
Ductwork cost in Oxnard$3,600 – $17,200 · +43%Permit rules in Oxnard →
Ductwork cost in Glendale$3,600 – $17,200 · +43%Permit rules in Glendale →
Ductwork cost in Huntington Beach$3,600 – $17,200 · +43%Permit rules in Huntington Beach →
Ductwork cost in Ontario$3,600 – $17,200 · +43%Permit rules in Ontario →
Ductwork cost in Rancho Cucamonga$3,600 – $17,200 · +43%Permit rules in Rancho Cucamonga →
Ductwork cost in Elk Grove$3,600 – $17,200 · +43%Permit rules in Elk Grove →
Ductwork cost in Los Angeles$3,500 – $16,900 · +41%Permit rules in Los Angeles →
Ductwork cost in Pasadena$3,500 – $16,900 · +41%Permit rules in Pasadena →
Ductwork cost in San Diego$3,400 – $16,500 · +38%Permit rules in San Diego →
Ductwork cost in Palm Springs$3,400 – $16,400 · +37%Permit rules in Palm Springs →
Ductwork cost in Anchorage$3,400 – $16,500 · +38%Permit rules in Anchorage →
Ductwork cost in Buffalo$3,400 – $16,500 · +37%Permit rules in Buffalo →
Ductwork cost in Rochester$3,400 – $16,500 · +37%Permit rules in Rochester →
Ductwork cost in Yonkers$3,400 – $16,500 · +37%Permit rules in Yonkers →
Ductwork cost in Syracuse$3,400 – $16,200 · +35%Permit rules in Syracuse →
Ductwork cost in Albany$3,400 – $16,200 · +35%Permit rules in Albany →
Ductwork cost in New Rochelle$3,400 – $16,200 · +35%Permit rules in New Rochelle →
Ductwork cost in Mount Vernon$3,400 – $16,200 · +35%Permit rules in Mount Vernon →
Ductwork cost in Schenectady$3,400 – $16,200 · +35%Permit rules in Schenectady →
Ductwork cost in Utica$3,400 – $16,200 · +35%Permit rules in Utica →
Ductwork cost in Newark$3,300 – $16,000 · +33%Permit rules in Newark →
Ductwork cost in Worcester$3,300 – $16,000 · +33%Permit rules in Worcester →
Ductwork cost in Springfield$3,300 – $16,000 · +33%Permit rules in Springfield →
Ductwork cost in Naples$3,300 – $15,800 · +32%Permit rules in Naples →
Ductwork cost in Seattle$3,300 – $15,900 · +32%Permit rules in Seattle →
Ductwork cost in Fairbanks$3,300 – $15,800 · +31%Permit rules in Fairbanks →
Ductwork cost in Juneau$3,300 – $15,800 · +31%Permit rules in Juneau →
Ductwork cost in Wasilla$3,300 – $15,800 · +31%Permit rules in Wasilla →
Ductwork cost in Cambridge$3,300 – $15,700 · +31%Permit rules in Cambridge →
Ductwork cost in Lowell$3,300 – $15,700 · +31%Permit rules in Lowell →
Ductwork cost in Brockton$3,300 – $15,700 · +31%Permit rules in Brockton →
Ductwork cost in New Bedford$3,300 – $15,700 · +31%Permit rules in New Bedford →
Ductwork cost in Quincy$3,300 – $15,700 · +31%Permit rules in Quincy →
Ductwork cost in Lynn$3,300 – $15,700 · +31%Permit rules in Lynn →
Ductwork cost in Jersey City$3,200 – $15,600 · +30%Permit rules in Jersey City →
Ductwork cost in Paterson$3,200 – $15,600 · +30%Permit rules in Paterson →
Ductwork cost in Miami$3,200 – $15,400 · +28%Permit rules in Miami →
Ductwork cost in Washington$3,200 – $15,400 · +28%Permit rules in Washington →
Ductwork cost in Elizabeth$3,200 – $15,300 · +27%Permit rules in Elizabeth →
Ductwork cost in Edison$3,200 – $15,300 · +27%Permit rules in Edison →
Ductwork cost in Woodbridge$3,200 – $15,300 · +27%Permit rules in Woodbridge →
Ductwork cost in Trenton$3,200 – $15,300 · +27%Permit rules in Trenton →
Ductwork cost in Camden$3,200 – $15,300 · +27%Permit rules in Camden →
Ductwork cost in Toms River$3,200 – $15,300 · +27%Permit rules in Toms River →
Ductwork cost in Chicago$3,200 – $15,200 · +27%Permit rules in Chicago →
Ductwork cost in Sacramento$3,100 – $15,100 · +26%Permit rules in Sacramento →
Ductwork cost in Fort Lauderdale$3,100 – $14,800 · +23%Permit rules in Fort Lauderdale →
Ductwork cost in Portland$3,100 – $14,800 · +23%Permit rules in Portland →
Ductwork cost in Bridgeport$3,100 – $14,800 · +23%Permit rules in Bridgeport →
Ductwork cost in New Haven$3,100 – $14,800 · +23%Permit rules in New Haven →
Ductwork cost in Stamford$3,100 – $14,800 · +23%Permit rules in Stamford →
Ductwork cost in Hartford$3,100 – $14,800 · +23%Permit rules in Hartford →
Ductwork cost in Waterbury$3,100 – $14,800 · +23%Permit rules in Waterbury →
Ductwork cost in Norwalk$3,100 – $14,800 · +23%Permit rules in Norwalk →
Ductwork cost in Danbury$3,100 – $14,800 · +23%Permit rules in Danbury →
Ductwork cost in Providence$3,000 – $14,600 · +22%Permit rules in Providence →
Ductwork cost in Tacoma$3,100 – $14,800 · +23%Permit rules in Tacoma →
Ductwork cost in Vancouver$3,100 – $14,800 · +23%Permit rules in Vancouver →
Ductwork cost in Bellevue$3,100 – $14,800 · +23%Permit rules in Bellevue →
Ductwork cost in West Palm Beach$3,000 – $14,400 · +20%Permit rules in West Palm Beach →
Ductwork cost in Philadelphia$3,000 – $14,500 · +21%Permit rules in Philadelphia →
Ductwork cost in Kent$3,000 – $14,500 · +21%Permit rules in Kent →
Ductwork cost in Everett$3,000 – $14,500 · +21%Permit rules in Everett →
Ductwork cost in Renton$3,000 – $14,500 · +21%Permit rules in Renton →
Ductwork cost in Yakima$3,000 – $14,500 · +21%Permit rules in Yakima →
Ductwork cost in Bellingham$3,000 – $14,500 · +21%Permit rules in Bellingham →
Ductwork cost in Salem$3,000 – $14,500 · +21%Permit rules in Salem →
Ductwork cost in Eugene$3,000 – $14,500 · +21%Permit rules in Eugene →
Ductwork cost in Warwick$3,000 – $14,500 · +21%Permit rules in Warwick →
Ductwork cost in Cranston$3,000 – $14,500 · +21%Permit rules in Cranston →
Ductwork cost in Pawtucket$3,000 – $14,500 · +21%Permit rules in Pawtucket →
Ductwork cost in Gresham$3,000 – $14,200 · +19%Permit rules in Gresham →
Ductwork cost in Hillsboro$3,000 – $14,200 · +19%Permit rules in Hillsboro →
Ductwork cost in Beaverton$3,000 – $14,200 · +19%Permit rules in Beaverton →
Ductwork cost in Bend$3,000 – $14,200 · +19%Permit rules in Bend →
Ductwork cost in Medford$3,000 – $14,200 · +19%Permit rules in Medford →
Ductwork cost in Springfield$3,000 – $14,200 · +19%Permit rules in Springfield →
Ductwork cost in Minneapolis$2,900 – $14,000 · +17%Permit rules in Minneapolis →
Ductwork cost in Olympia$2,900 – $14,000 · +17%Permit rules in Olympia →
Ductwork cost in Columbia$2,900 – $13,900 · +16%Permit rules in Columbia →
Ductwork cost in Germantown$2,900 – $13,900 · +16%Permit rules in Germantown →
Ductwork cost in Silver Spring$2,900 – $13,900 · +16%Permit rules in Silver Spring →
Ductwork cost in Frederick$2,900 – $13,900 · +16%Permit rules in Frederick →
Ductwork cost in Rockville$2,900 – $13,900 · +16%Permit rules in Rockville →
Ductwork cost in Newport$2,900 – $14,000 · +17%Permit rules in Newport →
Ductwork cost in Fort Myers$2,900 – $13,800 · +15%Permit rules in Fort Myers →
Ductwork cost in Denver$2,900 – $13,800 · +15%Permit rules in Denver →
Ductwork cost in Corvallis$2,900 – $13,800 · +15%Permit rules in Corvallis →
Ductwork cost in Aurora$2,900 – $13,800 · +15%Permit rules in Aurora →
Ductwork cost in Aurora$2,900 – $13,900 · +16%Permit rules in Aurora →
Ductwork cost in Joliet$2,900 – $13,900 · +16%Permit rules in Joliet →
Ductwork cost in Sarasota$2,800 – $13,600 · +14%Permit rules in Sarasota →
Ductwork cost in Cape Coral$2,800 – $13,500 · +13%Permit rules in Cape Coral →
Ductwork cost in Baltimore$2,800 – $13,500 · +12%Permit rules in Baltimore →
Ductwork cost in Fresno$2,800 – $13,500 · +13%Permit rules in Fresno →
Ductwork cost in Fort Collins$2,800 – $13,500 · +13%Permit rules in Fort Collins →
Ductwork cost in Lakewood$2,800 – $13,500 · +13%Permit rules in Lakewood →
Ductwork cost in Annapolis$2,800 – $13,500 · +12%Permit rules in Annapolis →
Ductwork cost in Naperville$2,800 – $13,600 · +13%Permit rules in Naperville →
Ductwork cost in Rockford$2,800 – $13,600 · +13%Permit rules in Rockford →
Ductwork cost in Springfield$2,800 – $13,600 · +13%Permit rules in Springfield →
Ductwork cost in Elgin$2,800 – $13,600 · +13%Permit rules in Elgin →
Ductwork cost in Peoria$2,800 – $13,600 · +13%Permit rules in Peoria →
Ductwork cost in Champaign$2,800 – $13,600 · +13%Permit rules in Champaign →
Ductwork cost in Evanston$2,800 – $13,600 · +13%Permit rules in Evanston →
Ductwork cost in Venice$2,800 – $13,400 · +11%Permit rules in Venice →
Ductwork cost in Austin$2,800 – $13,200 · +10%Permit rules in Austin →
Ductwork cost in Milwaukee$2,800 – $13,300 · +11%Permit rules in Milwaukee →
Ductwork cost in New Orleans$2,800 – $13,200 · +10%Permit rules in New Orleans →
Ductwork cost in Henderson$2,800 – $13,300 · +11%Permit rules in Henderson →
Ductwork cost in North Las Vegas$2,800 – $13,300 · +11%Permit rules in North Las Vegas →
Ductwork cost in Thornton$2,800 – $13,300 · +10%Permit rules in Thornton →
Ductwork cost in Arvada$2,800 – $13,300 · +10%Permit rules in Arvada →
Ductwork cost in Westminster$2,800 – $13,300 · +10%Permit rules in Westminster →
Ductwork cost in Pueblo$2,800 – $13,300 · +10%Permit rules in Pueblo →
Ductwork cost in Boulder$2,800 – $13,300 · +10%Permit rules in Boulder →
Ductwork cost in Greeley$2,800 – $13,300 · +10%Permit rules in Greeley →
Ductwork cost in Manchester$2,800 – $13,300 · +11%Permit rules in Manchester →
Ductwork cost in Nashua$2,800 – $13,300 · +11%Permit rules in Nashua →
Ductwork cost in Tampa$2,700 – $13,000 · +8%Permit rules in Tampa →
Ductwork cost in Bradenton$2,700 – $13,200 · +10%Permit rules in Bradenton →
Ductwork cost in Sparks$2,700 – $13,000 · +9%Permit rules in Sparks →
Ductwork cost in St. Paul$2,700 – $13,100 · +9%Permit rules in St. Paul →
Ductwork cost in St. Petersburg$2,700 – $13,000 · +8%Permit rules in St. Petersburg →
Ductwork cost in Clearwater$2,700 – $12,800 · +7%Permit rules in Clearwater →
Ductwork cost in Port St. Lucie$2,700 – $12,800 · +7%Permit rules in Port St. Lucie →
Ductwork cost in Reno$2,700 – $12,900 · +7%Permit rules in Reno →
Ductwork cost in Pittsburgh$2,700 – $13,000 · +8%Permit rules in Pittsburgh →
Ductwork cost in Spokane$2,700 – $12,800 · +7%Permit rules in Spokane →
Ductwork cost in Mesa$2,700 – $12,900 · +7%Permit rules in Mesa →
Ductwork cost in Chesapeake$2,700 – $13,000 · +8%Permit rules in Chesapeake →
Ductwork cost in Norfolk$2,700 – $13,000 · +8%Permit rules in Norfolk →
Ductwork cost in Newport News$2,700 – $13,000 · +8%Permit rules in Newport News →
Ductwork cost in Alexandria$2,700 – $13,000 · +8%Permit rules in Alexandria →
Ductwork cost in Arlington$2,700 – $13,000 · +8%Permit rules in Arlington →
Ductwork cost in Wilmington$2,700 – $12,800 · +7%Permit rules in Wilmington →
Ductwork cost in Rochester$2,700 – $12,800 · +7%Permit rules in Rochester →
Ductwork cost in Duluth$2,700 – $12,800 · +7%Permit rules in Duluth →
Ductwork cost in Bloomington$2,700 – $12,800 · +7%Permit rules in Bloomington →
Ductwork cost in Brooklyn Park$2,700 – $12,800 · +7%Permit rules in Brooklyn Park →
Ductwork cost in Plymouth$2,700 – $12,800 · +7%Permit rules in Plymouth →
Ductwork cost in St. Cloud$2,700 – $12,800 · +7%Permit rules in St. Cloud →
Ductwork cost in Allentown$2,700 – $12,900 · +8%Permit rules in Allentown →
Ductwork cost in Reading$2,700 – $12,900 · +8%Permit rules in Reading →
Ductwork cost in Erie$2,700 – $12,900 · +8%Permit rules in Erie →
Ductwork cost in Scranton$2,700 – $12,900 · +8%Permit rules in Scranton →
Ductwork cost in Bethlehem$2,700 – $12,900 · +8%Permit rules in Bethlehem →
Ductwork cost in Concord$2,700 – $12,900 · +7%Permit rules in Concord →
Ductwork cost in Dover$2,700 – $12,900 · +7%Permit rules in Dover →
Ductwork cost in Portsmouth$2,700 – $12,900 · +7%Permit rules in Portsmouth →
Ductwork cost in Portland$2,700 – $12,800 · +7%Permit rules in Portland →
Ductwork cost in Las Vegas$2,600 – $12,700 · +6%Permit rules in Las Vegas →
Ductwork cost in Salt Lake City$2,700 – $12,700 · +6%Permit rules in Salt Lake City →
Ductwork cost in Detroit$2,600 – $12,700 · +6%Permit rules in Detroit →
Ductwork cost in Cleveland$2,600 – $12,600 · +5%Permit rules in Cleveland →
Ductwork cost in Charleston$2,600 – $12,600 · +5%Permit rules in Charleston →
Ductwork cost in Carson City$2,600 – $12,600 · +5%Permit rules in Carson City →
Ductwork cost in Elko$2,600 – $12,600 · +5%Permit rules in Elko →
Ductwork cost in Chandler$2,600 – $12,600 · +5%Permit rules in Chandler →
Ductwork cost in Scottsdale$2,600 – $12,600 · +5%Permit rules in Scottsdale →
Ductwork cost in Glendale$2,600 – $12,600 · +5%Permit rules in Glendale →
Ductwork cost in Gilbert$2,600 – $12,600 · +5%Permit rules in Gilbert →
Ductwork cost in Tempe$2,600 – $12,600 · +5%Permit rules in Tempe →
Ductwork cost in Peoria$2,600 – $12,600 · +5%Permit rules in Peoria →
Ductwork cost in Hampton$2,700 – $12,700 · +6%Permit rules in Hampton →
Ductwork cost in Roanoke$2,700 – $12,700 · +6%Permit rules in Roanoke →
Ductwork cost in Lynchburg$2,700 – $12,700 · +6%Permit rules in Lynchburg →
Ductwork cost in Orlando$2,600 – $12,500 · +4%Permit rules in Orlando →
Ductwork cost in St. Augustine$2,600 – $12,500 · +4%Permit rules in St. Augustine →
Ductwork cost in Port Charlotte$2,600 – $12,500 · +4%Permit rules in Port Charlotte →
Ductwork cost in Brandon$2,600 – $12,400 · +3%Permit rules in Brandon →
Ductwork cost in Melbourne$2,600 – $12,400 · +3%Permit rules in Melbourne →
Ductwork cost in Phoenix$2,600 – $12,500 · +4%Permit rules in Phoenix →
Ductwork cost in Colorado Springs$2,600 – $12,500 · +4%Permit rules in Colorado Springs →
Ductwork cost in Nashville$2,600 – $12,300 · +3%Permit rules in Nashville →
Ductwork cost in Dover$2,600 – $12,400 · +3%Permit rules in Dover →
Ductwork cost in Newark$2,600 – $12,400 · +3%Permit rules in Newark →
Ductwork cost in Lancaster$2,600 – $12,500 · +4%Permit rules in Lancaster →
Ductwork cost in Harrisburg$2,600 – $12,500 · +4%Permit rules in Harrisburg →
Ductwork cost in Burlington$2,600 – $12,500 · +4%Permit rules in Burlington →
Ductwork cost in South Burlington$2,600 – $12,500 · +4%Permit rules in South Burlington →
Ductwork cost in Rutland$2,600 – $12,500 · +4%Permit rules in Rutland →
Ductwork cost in Montpelier$2,600 – $12,500 · +4%Permit rules in Montpelier →
Ductwork cost in Lewiston$2,600 – $12,400 · +3%Permit rules in Lewiston →
Ductwork cost in Bangor$2,600 – $12,400 · +3%Permit rules in Bangor →
Ductwork cost in Augusta$2,600 – $12,400 · +3%Permit rules in Augusta →
Ductwork cost in Daytona Beach$2,500 – $12,200 · +1%Permit rules in Daytona Beach →
Ductwork cost in Boise$2,500 – $12,200 · +2%Permit rules in Boise →
Ductwork cost in Dallas$2,500 – $12,200 · +1%Permit rules in Dallas →
Ductwork cost in Houston$2,600 – $12,200 · +2%Permit rules in Houston →
Ductwork cost in St. Louis$2,600 – $12,300 · +2%Permit rules in St. Louis →
Ductwork cost in Columbus$2,600 – $12,300 · +2%Permit rules in Columbus →
Ductwork cost in Atlanta$2,600 – $12,200 · +2%Permit rules in Atlanta →
Ductwork cost in Richmond$2,500 – $12,100 · +1%Permit rules in Richmond →
Ductwork cost in Virginia Beach$2,600 – $12,200 · +2%Permit rules in Virginia Beach →
Ductwork cost in Surprise$2,600 – $12,300 · +2%Permit rules in Surprise →
Ductwork cost in Flagstaff$2,600 – $12,300 · +2%Permit rules in Flagstaff →
Ductwork cost in Yuma$2,600 – $12,300 · +2%Permit rules in Yuma →
Ductwork cost in Billings$2,500 – $12,200 · +1%Permit rules in Billings →
Ductwork cost in Missoula$2,500 – $12,200 · +1%Permit rules in Missoula →
Ductwork cost in Great Falls$2,500 – $12,200 · +1%Permit rules in Great Falls →
Ductwork cost in El Paso$2,600 – $12,300 · +3%Permit rules in El Paso →
Ductwork cost in Arlington$2,600 – $12,300 · +3%Permit rules in Arlington →
Ductwork cost in Grand Rapids$2,500 – $12,100 · +1%Permit rules in Grand Rapids →
Ductwork cost in Madison$2,600 – $12,300 · +2%Permit rules in Madison →
Ductwork cost in Kissimmee$2,500 – $12,000 · 0%Permit rules in Kissimmee →
Ductwork cost in Pensacola$2,500 – $11,900 · -1%Permit rules in Pensacola →
Ductwork cost in Kansas City$2,500 – $12,000 · 0%Permit rules in Kansas City →
Ductwork cost in Charlotte$2,500 – $11,900 · -1%Permit rules in Charlotte →
Ductwork cost in Raleigh$2,500 – $12,000 · 0%Permit rules in Raleigh →
Ductwork cost in Corpus Christi$2,500 – $12,000 · 0%Permit rules in Corpus Christi →
Ductwork cost in Plano$2,500 – $12,000 · 0%Permit rules in Plano →
Ductwork cost in Laredo$2,500 – $12,000 · 0%Permit rules in Laredo →
Ductwork cost in Lubbock$2,500 – $12,000 · 0%Permit rules in Lubbock →
Ductwork cost in Garland$2,500 – $12,000 · 0%Permit rules in Garland →
Ductwork cost in Irving$2,500 – $12,000 · 0%Permit rules in Irving →
Ductwork cost in Amarillo$2,500 – $12,000 · 0%Permit rules in Amarillo →
Ductwork cost in Grand Prairie$2,500 – $12,000 · 0%Permit rules in Grand Prairie →
Ductwork cost in McKinney$2,500 – $12,000 · 0%Permit rules in McKinney →
Ductwork cost in Frisco$2,500 – $12,000 · 0%Permit rules in Frisco →
Ductwork cost in Brownsville$2,500 – $12,000 · 0%Permit rules in Brownsville →
Ductwork cost in Killeen$2,500 – $12,000 · 0%Permit rules in Killeen →
Ductwork cost in Baton Rouge$2,500 – $12,000 · 0%Permit rules in Baton Rouge →
Ductwork cost in Shreveport$2,500 – $12,000 · 0%Permit rules in Shreveport →
Ductwork cost in Green Bay$2,500 – $12,000 · 0%Permit rules in Green Bay →
Ductwork cost in Kenosha$2,500 – $12,000 · 0%Permit rules in Kenosha →
Ductwork cost in Racine$2,500 – $12,000 · 0%Permit rules in Racine →
Ductwork cost in Appleton$2,500 – $12,000 · 0%Permit rules in Appleton →
Ductwork cost in Waukesha$2,500 – $12,000 · 0%Permit rules in Waukesha →
Ductwork cost in Eau Claire$2,500 – $12,000 · 0%Permit rules in Eau Claire →
Ductwork cost in Jacksonville$2,500 – $11,800 · -2%Permit rules in Jacksonville →
Ductwork cost in Fort Worth$2,500 – $11,900 · -1%Permit rules in Fort Worth →
Ductwork cost in Indianapolis$2,500 – $11,800 · -2%Permit rules in Indianapolis →
Ductwork cost in Des Moines$2,500 – $11,800 · -2%Permit rules in Des Moines →
Ductwork cost in Meridian$2,400 – $11,700 · -2%Permit rules in Meridian →
Ductwork cost in Nampa$2,400 – $11,700 · -2%Permit rules in Nampa →
Ductwork cost in Idaho Falls$2,400 – $11,700 · -2%Permit rules in Idaho Falls →
Ductwork cost in Bozeman$2,400 – $11,700 · -2%Permit rules in Bozeman →
Ductwork cost in Helena$2,400 – $11,700 · -2%Permit rules in Helena →
Ductwork cost in Kalispell$2,400 – $11,700 · -2%Permit rules in Kalispell →
Ductwork cost in Cheyenne$2,500 – $11,800 · -2%Permit rules in Cheyenne →
Ductwork cost in West Valley City$2,500 – $11,900 · -1%Permit rules in West Valley City →
Ductwork cost in Provo$2,500 – $11,900 · -1%Permit rules in Provo →
Ductwork cost in West Jordan$2,500 – $11,900 · -1%Permit rules in West Jordan →
Ductwork cost in Orem$2,500 – $11,900 · -1%Permit rules in Orem →
Ductwork cost in Sandy$2,500 – $11,900 · -1%Permit rules in Sandy →
Ductwork cost in St. George$2,500 – $11,900 · -1%Permit rules in St. George →
Ductwork cost in Ogden$2,500 – $11,900 · -1%Permit rules in Ogden →
Ductwork cost in Lehi$2,500 – $11,900 · -1%Permit rules in Lehi →
Ductwork cost in Pasadena$2,400 – $11,700 · -2%Permit rules in Pasadena →
Ductwork cost in Waco$2,400 – $11,700 · -2%Permit rules in Waco →
Ductwork cost in Midland$2,400 – $11,700 · -2%Permit rules in Midland →
Ductwork cost in Round Rock$2,400 – $11,700 · -2%Permit rules in Round Rock →
Ductwork cost in Beaumont$2,400 – $11,700 · -2%Permit rules in Beaumont →
Ductwork cost in Lafayette$2,400 – $11,700 · -2%Permit rules in Lafayette →
Ductwork cost in Lake Charles$2,400 – $11,700 · -2%Permit rules in Lake Charles →
Ductwork cost in Kenner$2,400 – $11,700 · -2%Permit rules in Kenner →
Ductwork cost in Bossier City$2,400 – $11,700 · -2%Permit rules in Bossier City →
Ductwork cost in Augusta$2,500 – $11,800 · -2%Permit rules in Augusta →
Ductwork cost in Columbus$2,500 – $11,800 · -2%Permit rules in Columbus →
Ductwork cost in Macon$2,500 – $11,800 · -2%Permit rules in Macon →
Ductwork cost in Greensboro$2,400 – $11,700 · -2%Permit rules in Greensboro →
Ductwork cost in Durham$2,400 – $11,700 · -2%Permit rules in Durham →
Ductwork cost in Winston-Salem$2,400 – $11,700 · -2%Permit rules in Winston-Salem →
Ductwork cost in Fayetteville$2,400 – $11,700 · -2%Permit rules in Fayetteville →
Ductwork cost in Cary$2,400 – $11,700 · -2%Permit rules in Cary →
Ductwork cost in Cincinnati$2,400 – $11,700 · -3%Permit rules in Cincinnati →
Ductwork cost in Toledo$2,400 – $11,700 · -3%Permit rules in Toledo →
Ductwork cost in Akron$2,400 – $11,700 · -3%Permit rules in Akron →
Ductwork cost in Warren$2,500 – $11,900 · -1%Permit rules in Warren →
Ductwork cost in Sterling Heights$2,500 – $11,900 · -1%Permit rules in Sterling Heights →
Ductwork cost in Ann Arbor$2,500 – $11,900 · -1%Permit rules in Ann Arbor →
Ductwork cost in Lansing$2,500 – $11,900 · -1%Permit rules in Lansing →
Ductwork cost in Dearborn$2,500 – $11,900 · -1%Permit rules in Dearborn →
Ductwork cost in Livonia$2,500 – $11,900 · -1%Permit rules in Livonia →
Ductwork cost in Troy$2,500 – $11,900 · -1%Permit rules in Troy →
Ductwork cost in Kalamazoo$2,500 – $11,900 · -1%Permit rules in Kalamazoo →
Ductwork cost in Flint$2,500 – $11,900 · -1%Permit rules in Flint →
Ductwork cost in Fargo$2,500 – $11,800 · -2%Permit rules in Fargo →
Ductwork cost in Bismarck$2,500 – $11,800 · -2%Permit rules in Bismarck →
Ductwork cost in Lakeland$2,400 – $11,600 · -4%Permit rules in Lakeland →
Ductwork cost in Tucson$2,400 – $11,500 · -4%Permit rules in Tucson →
Ductwork cost in San Antonio$2,400 – $11,500 · -4%Permit rules in San Antonio →
Ductwork cost in Louisville$2,400 – $11,600 · -3%Permit rules in Louisville →
Ductwork cost in Omaha$2,400 – $11,700 · -3%Permit rules in Omaha →
Ductwork cost in Las Cruces$2,400 – $11,500 · -4%Permit rules in Las Cruces →
Ductwork cost in Rio Rancho$2,400 – $11,500 · -4%Permit rules in Rio Rancho →
Ductwork cost in Santa Fe$2,400 – $11,500 · -4%Permit rules in Santa Fe →
Ductwork cost in Savannah$2,400 – $11,500 · -4%Permit rules in Savannah →
Ductwork cost in Athens$2,400 – $11,500 · -4%Permit rules in Athens →
Ductwork cost in Sandy Springs$2,400 – $11,500 · -4%Permit rules in Sandy Springs →
Ductwork cost in Roswell$2,400 – $11,500 · -4%Permit rules in Roswell →
Ductwork cost in Johns Creek$2,400 – $11,500 · -4%Permit rules in Johns Creek →
Ductwork cost in Marietta$2,400 – $11,500 · -4%Permit rules in Marietta →
Ductwork cost in Fort Wayne$2,400 – $11,500 · -4%Permit rules in Fort Wayne →
Ductwork cost in Gainesville$2,400 – $11,400 · -5%Permit rules in Gainesville →
Ductwork cost in Tallahassee$2,400 – $11,300 · -6%Permit rules in Tallahassee →
Ductwork cost in Columbia$2,400 – $11,400 · -5%Permit rules in Columbia →
Ductwork cost in Albuquerque$2,400 – $11,300 · -6%Permit rules in Albuquerque →
Ductwork cost in Pocatello$2,400 – $11,300 · -6%Permit rules in Pocatello →
Ductwork cost in Coeur d'Alene$2,400 – $11,300 · -6%Permit rules in Coeur d'Alene →
Ductwork cost in Twin Falls$2,400 – $11,300 · -6%Permit rules in Twin Falls →
Ductwork cost in Casper$2,400 – $11,400 · -5%Permit rules in Casper →
Ductwork cost in Gillette$2,400 – $11,400 · -5%Permit rules in Gillette →
Ductwork cost in Laramie$2,400 – $11,400 · -5%Permit rules in Laramie →
Ductwork cost in Rock Springs$2,400 – $11,400 · -5%Permit rules in Rock Springs →
Ductwork cost in Galveston$2,400 – $11,300 · -6%Permit rules in Galveston →
Ductwork cost in Monroe$2,400 – $11,300 · -6%Permit rules in Monroe →
Ductwork cost in Huntsville$2,400 – $11,300 · -6%Permit rules in Huntsville →
Ductwork cost in Montgomery$2,400 – $11,300 · -6%Permit rules in Montgomery →
Ductwork cost in Mobile$2,400 – $11,300 · -6%Permit rules in Mobile →
Ductwork cost in North Charleston$2,400 – $11,300 · -6%Permit rules in North Charleston →
Ductwork cost in Mount Pleasant$2,400 – $11,300 · -6%Permit rules in Mount Pleasant →
Ductwork cost in Rock Hill$2,400 – $11,300 · -6%Permit rules in Rock Hill →
Ductwork cost in Greenville$2,400 – $11,300 · -6%Permit rules in Greenville →
Ductwork cost in Wilmington$2,400 – $11,400 · -5%Permit rules in Wilmington →
Ductwork cost in High Point$2,400 – $11,400 · -5%Permit rules in High Point →
Ductwork cost in Asheville$2,400 – $11,400 · -5%Permit rules in Asheville →
Ductwork cost in Knoxville$2,400 – $11,300 · -6%Permit rules in Knoxville →
Ductwork cost in Chattanooga$2,400 – $11,300 · -6%Permit rules in Chattanooga →
Ductwork cost in Clarksville$2,400 – $11,300 · -6%Permit rules in Clarksville →
Ductwork cost in Murfreesboro$2,400 – $11,300 · -6%Permit rules in Murfreesboro →
Ductwork cost in Dayton$2,400 – $11,400 · -5%Permit rules in Dayton →
Ductwork cost in Parma$2,400 – $11,400 · -5%Permit rules in Parma →
Ductwork cost in Canton$2,400 – $11,400 · -5%Permit rules in Canton →
Ductwork cost in Lorain$2,400 – $11,400 · -5%Permit rules in Lorain →
Ductwork cost in Evansville$2,300 – $11,200 · -6%Permit rules in Evansville →
Ductwork cost in South Bend$2,300 – $11,200 · -6%Permit rules in South Bend →
Ductwork cost in Carmel$2,300 – $11,200 · -6%Permit rules in Carmel →
Ductwork cost in Fishers$2,300 – $11,200 · -6%Permit rules in Fishers →
Ductwork cost in Bloomington$2,300 – $11,200 · -6%Permit rules in Bloomington →
Ductwork cost in Hammond$2,300 – $11,200 · -6%Permit rules in Hammond →
Ductwork cost in Springfield$2,400 – $11,300 · -6%Permit rules in Springfield →
Ductwork cost in Grand Forks$2,400 – $11,400 · -5%Permit rules in Grand Forks →
Ductwork cost in Minot$2,400 – $11,400 · -5%Permit rules in Minot →
Ductwork cost in Oklahoma City$2,300 – $11,100 · -7%Permit rules in Oklahoma City →
Ductwork cost in Memphis$2,300 – $11,000 · -8%Permit rules in Memphis →
Ductwork cost in Birmingham$2,300 – $11,000 · -8%Permit rules in Birmingham →
Ductwork cost in Roswell$2,300 – $11,100 · -8%Permit rules in Roswell →
Ductwork cost in Farmington$2,300 – $11,100 · -8%Permit rules in Farmington →
Ductwork cost in Tuscaloosa$2,300 – $11,000 · -8%Permit rules in Tuscaloosa →
Ductwork cost in Hoover$2,300 – $11,000 · -8%Permit rules in Hoover →
Ductwork cost in Auburn$2,300 – $11,000 · -8%Permit rules in Auburn →
Ductwork cost in Dothan$2,300 – $11,000 · -8%Permit rules in Dothan →
Ductwork cost in Lexington$2,300 – $11,200 · -7%Permit rules in Lexington →
Ductwork cost in Franklin$2,300 – $11,000 · -8%Permit rules in Franklin →
Ductwork cost in Johnson City$2,300 – $11,000 · -8%Permit rules in Johnson City →
Ductwork cost in Tulsa$2,300 – $11,200 · -7%Permit rules in Tulsa →
Ductwork cost in Columbia$2,300 – $11,000 · -8%Permit rules in Columbia →
Ductwork cost in Independence$2,300 – $11,000 · -8%Permit rules in Independence →
Ductwork cost in Lee's Summit$2,300 – $11,000 · -8%Permit rules in Lee's Summit →
Ductwork cost in O'Fallon$2,300 – $11,000 · -8%Permit rules in O'Fallon →
Ductwork cost in St. Joseph$2,300 – $11,000 · -8%Permit rules in St. Joseph →
Ductwork cost in Overland Park$2,300 – $11,000 · -8%Permit rules in Overland Park →
Ductwork cost in Kansas City$2,300 – $11,000 · -8%Permit rules in Kansas City →
Ductwork cost in Lincoln$2,300 – $11,100 · -7%Permit rules in Lincoln →
Ductwork cost in Sioux Falls$2,300 – $11,200 · -7%Permit rules in Sioux Falls →
Ductwork cost in Wichita$2,300 – $10,800 · -10%Permit rules in Wichita →
Ductwork cost in Little Rock$2,300 – $10,900 · -9%Permit rules in Little Rock →
Ductwork cost in Summerville$2,300 – $10,900 · -9%Permit rules in Summerville →
Ductwork cost in Myrtle Beach$2,300 – $10,900 · -9%Permit rules in Myrtle Beach →
Ductwork cost in Bowling Green$2,300 – $10,900 · -9%Permit rules in Bowling Green →
Ductwork cost in Owensboro$2,300 – $10,900 · -9%Permit rules in Owensboro →
Ductwork cost in Youngstown$2,300 – $11,000 · -8%Permit rules in Youngstown →
Ductwork cost in Cedar Rapids$2,300 – $11,000 · -9%Permit rules in Cedar Rapids →
Ductwork cost in Davenport$2,300 – $11,000 · -9%Permit rules in Davenport →
Ductwork cost in Sioux City$2,300 – $11,000 · -9%Permit rules in Sioux City →
Ductwork cost in Iowa City$2,300 – $11,000 · -9%Permit rules in Iowa City →
Ductwork cost in Ames$2,300 – $11,000 · -9%Permit rules in Ames →
Ductwork cost in Council Bluffs$2,300 – $11,000 · -9%Permit rules in Council Bluffs →
Ductwork cost in Bellevue$2,300 – $10,900 · -9%Permit rules in Bellevue →
Ductwork cost in Rapid City$2,300 – $10,900 · -9%Permit rules in Rapid City →
Ductwork cost in Fayetteville$2,200 – $10,600 · -11%Permit rules in Fayetteville →
Ductwork cost in Fort Smith$2,200 – $10,600 · -11%Permit rules in Fort Smith →
Ductwork cost in Springdale$2,200 – $10,600 · -11%Permit rules in Springdale →
Ductwork cost in Jonesboro$2,200 – $10,600 · -11%Permit rules in Jonesboro →
Ductwork cost in Rogers$2,200 – $10,600 · -11%Permit rules in Rogers →
Ductwork cost in Norman$2,200 – $10,600 · -11%Permit rules in Norman →
Ductwork cost in Broken Arrow$2,200 – $10,600 · -11%Permit rules in Broken Arrow →
Ductwork cost in Edmond$2,200 – $10,600 · -11%Permit rules in Edmond →
Ductwork cost in Lawton$2,200 – $10,600 · -11%Permit rules in Lawton →
Ductwork cost in Moore$2,200 – $10,600 · -11%Permit rules in Moore →
Ductwork cost in Olathe$2,200 – $10,800 · -10%Permit rules in Olathe →
Ductwork cost in Topeka$2,200 – $10,800 · -10%Permit rules in Topeka →
Ductwork cost in Lawrence$2,200 – $10,800 · -10%Permit rules in Lawrence →
Ductwork cost in Shawnee$2,200 – $10,800 · -10%Permit rules in Shawnee →
Ductwork cost in Jackson$2,200 – $10,400 · -13%Permit rules in Jackson →
Ductwork cost in Gulfport$2,200 – $10,400 · -13%Permit rules in Gulfport →
Ductwork cost in Covington$2,200 – $10,500 · -12%Permit rules in Covington →
Ductwork cost in Frankfort$2,200 – $10,500 · -12%Permit rules in Frankfort →
Ductwork cost in Grand Island$2,200 – $10,500 · -13%Permit rules in Grand Island →
Ductwork cost in Kearney$2,200 – $10,500 · -13%Permit rules in Kearney →
Ductwork cost in Aberdeen$2,200 – $10,500 · -12%Permit rules in Aberdeen →
Ductwork cost in Brookings$2,200 – $10,500 · -12%Permit rules in Brookings →
Ductwork cost in Charleston$2,200 – $10,300 · -14%Permit rules in Charleston →
Ductwork cost in Huntington$2,200 – $10,300 · -14%Permit rules in Huntington →
Ductwork cost in Morgantown$2,200 – $10,300 · -14%Permit rules in Morgantown →
Ductwork cost in Parkersburg$2,200 – $10,300 · -14%Permit rules in Parkersburg →
Ductwork cost in Wheeling$2,200 – $10,300 · -14%Permit rules in Wheeling →
Ductwork cost in Southaven$2,100 – $10,000 · -17%Permit rules in Southaven →
Ductwork cost in Biloxi$2,100 – $10,000 · -17%Permit rules in Biloxi →
Ductwork cost in Hattiesburg$2,100 – $10,000 · -17%Permit rules in Hattiesburg →
Ductwork cost in Meridian$2,100 – $10,000 · -17%Permit rules in Meridian →

Frequently asked questions

Do I need a permit for ductwork replacement?

In most jurisdictions this work is permitted and inspected. Requirements are set locally, so confirm the current application and inspection checklist with your building department before work starts.

How long does ductwork replacement take?

1-3 days of work, 1-3 weeks including permitting. Permit review and inspection scheduling are usually the largest source of variation.

What changes the price the most?

The largest cost drivers are number of supply and return runs; flex duct versus rigid sheet metal; attic access and clearance.

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.