Heating and cooling is one of the biggest systems — and expenses — in any home. This guide explains what HVAC work typically costs, how to compare contractors in your area, and what to ask before you sign.
Typical HVAC costs
National ballpark ranges for planning only — not quotes. What you pay depends on scope, materials, access and your local market, so always compare written estimates.
| Service | Typical range |
|---|---|
| Seasonal tune-up / inspection | $80 – $200 |
| Typical AC or heating repair | $150 – $650 |
| Central AC replacement | $5,000 – $12,000 |
| Furnace or heat pump replacement | $3,500 – $10,000 |
| Ductwork repair or sealing | $300 – $2,000 |
How HVAC needs vary by region
Climate changes what matters most, what fails first and when to book. Find your region below.
| Region | What changes |
|---|---|
| Hot & humid South AL, AR, FL, GA, HI, LA, MS, SC, TX | Air conditioning runs most of the year in this region's climate, so cooling capacity, humidity control and condensate drain maintenance matter more than heating. Ask any installer for a load calculation (Manual J) rather than sizing by square footage alone. |
| Hot & dry Southwest AZ, NM, NV | Cooling dominates in this region: dust, extreme heat and long run-times shorten equipment life. Ask about filter changes, coil cleaning and whether the system is rated for high outdoor temperatures. |
| Mixed / four-season DC, DE, KS, KY, MD, MO, NC, OK, TN, VA, WV | Homes in this region need both a dependable air conditioner and a heating system. Heat pumps are a common option in this climate; ask installers to compare a heat pump with a conventional furnace and AC for your home. |
| Cold North & Mountain AK, CO, CT, IA, ID, IL, IN, MA, ME, MI, MN, MT, ND, NE, NH, NJ, NY, OH, PA, RI, SD, UT, VT, WI, WY | Heating reliability is the priority in this region. Schedule furnace or boiler service before the first hard freeze, and ask about sizing, venting and backup options if your system fails in a cold snap. |
| Mild West Coast CA, OR, WA | With a milder climate, many homes in this region run heating and cooling less often, which makes efficiency upgrades slower to pay back. Heat pumps and ductless systems are worth pricing alongside traditional equipment. |
How to hire the right HVAC contractor
- Describe the problem clearly (no cooling, short-cycling, uneven rooms, high bills) and note the age and brand of your equipment.
- Get at least three written estimates. For replacements, insist on a load calculation, not a rule-of-thumb size.
- Compare equipment model numbers, efficiency ratings (SEER2/AFUE), warranty terms and what is included (permits, disposal, thermostat, duct work).
- Verify license, insurance and, for refrigerant work, EPA 608 technician certification.
- Get everything in writing, including start date, payment schedule and warranty, before work begins.
Questions to ask before you hire
- Will you perform a load calculation (Manual J) for my home?
- Are you licensed in your state, and can I see proof of insurance?
- Which parts and labor are covered by warranty, and for how long?
- Are permits included in the price?
- Can you quote repair versus replace so I can compare?
Red flags to watch for
- Pressure to decide today or 'special pricing' that expires immediately.
- A replacement quote with no load calculation or equipment model numbers.
- Large cash deposits or payment demanded up front in full.
- No license number or proof of insurance when asked.
Licensing and verification
Most states and many cities license HVAC contractors, and technicians who handle refrigerant must hold EPA Section 608 certification. Verify the contractor's license with your state's licensing authority before work begins.
Licensing by state
Who issues the license in each state we cover, and where to check one. City pages add the rules, thresholds, local permit office, firm counts and wages.
| State | Licensed by | Verify |
|---|---|---|
| Alabama Birmingham, Huntsville, Montgomery | Alabama Board of Heating, Air Conditioning & Refrigeration Contractors | Check a license |
| Alaska Anchorage | Alaska Division of Corporations, Business and Professional Licensing (Construction Contractors Program) | Check a license |
| Arizona Phoenix, Tucson | Arizona Registrar of Contractors (ROC) | Check a license |
| Arkansas Little Rock | Arkansas Department of Labor and Licensing, HVACR Licensing Board | Check a license |
| California Anaheim, Bakersfield, Fontana, Fresno +11 more | Contractors State License Board (CSLB) | Check a license |
| Colorado Aurora, Colorado Springs, Denver, Fort Collins | Local (cities and counties) | — |
| Florida Cape Coral, Jacksonville, Miami, Orlando +3 more | Florida Department of Business and Professional Regulation (DBPR), Construction Industry Licensing Board (CILB) | Check a license |
| Georgia Atlanta, Macon, Savannah | Georgia State Construction Industry Licensing Board (Secretary of State), Division of Conditioned Air Contractors | Check a license |
| Hawaii Honolulu | Hawaii Contractors License Board (DCCA Professional and Vocational Licensing Division) | Check a license |
| Idaho Boise | Idaho Division of Occupational and Professional Licenses (DOPL), HVAC Board | Check a license |
| Illinois Chicago, Peoria, Rockford, Springfield | Local (cities and counties) | — |
| Indiana Fort Wayne, Indianapolis | Local (cities and counties) | — |
| Iowa Des Moines | Iowa Department of Inspections, Appeals, and Licensing (DIAL) – Plumbing and Mechanical Systems Board | Check a license |
| Kansas Overland Park, Wichita | Local (cities and counties) | — |
| Kentucky Lexington, Louisville | Kentucky Department of Housing, Buildings and Construction (DHBC), Division of HVAC | Check a license |
| Louisiana Baton Rouge, New Orleans, Shreveport | Louisiana State Licensing Board for Contractors (LSLBC) | Check a license |
| Maryland Baltimore | Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors (Maryland Department of Labor) | Check a license |
| Massachusetts Boston, Worcester | Massachusetts Division of Occupational Licensure (Board of Examiners of Sheet Metal Workers; refrigeration technician licensing) | Check a license |
| Michigan Detroit, Grand Rapids | Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes | Check a license |
| Minnesota Minneapolis, St. Paul | Local (cities and counties) | Check a license |
| Mississippi Jackson | Mississippi State Board of Contractors (MSBOC) | Check a license |
| Missouri Kansas City, Springfield, St. Louis | Local (cities and counties) | — |
| Nebraska Lincoln, Omaha | Local (cities and counties) | — |
| Nevada Las Vegas, Reno | Nevada State Contractors Board (NSCB) | Check a license |
| New Jersey Jersey City, Paterson | New Jersey State Board of Examiners of Heating, Ventilating, Air Conditioning and Refrigeration (HVACR) Contractors | Check a license |
| New Mexico Albuquerque | New Mexico Regulation and Licensing Department, Construction Industries Division (CID) | Check a license |
| New York Buffalo, New York, Rochester, Syracuse +1 more | Local (cities and counties) | — |
| North Carolina Charlotte, Durham, Fayetteville, Greensboro +2 more | North Carolina State Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors | Check a license |
| Ohio Akron, Cincinnati, Cleveland, Columbus +2 more | Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce | Check a license |
| Oklahoma Oklahoma City, Tulsa | Oklahoma Construction Industries Board (CIB) | Check a license |
| Oregon Eugene, Portland | Oregon Construction Contractors Board (CCB) | Check a license |
| Pennsylvania Philadelphia, Pittsburgh | Local (cities and counties) | — |
| Rhode Island Providence | Rhode Island Department of Labor and Training, Division of Professional Regulation | Check a license |
| South Carolina Columbia | South Carolina Residential Builders Commission (SC LLR) | Check a license |
| South Dakota Sioux Falls | Local (cities and counties) | — |
| Tennessee Chattanooga, Clarksville, Knoxville, Murfreesboro +1 more | Tennessee Board for Licensing Contractors (Department of Commerce & Insurance) | Check a license |
| Texas Amarillo, Austin, Corpus Christi, Dallas +8 more | Texas Department of Licensing and Regulation (TDLR) | Check a license |
| Utah Salt Lake City | Utah Division of Professional Licensing (DOPL), Department of Commerce | Check a license |
| Virginia Chesapeake, Newport News, Norfolk, Richmond +1 more | Virginia Department of Professional and Occupational Regulation (DPOR), Board for Contractors | Check a license |
| Washington Seattle, Spokane, Tacoma, Vancouver | Washington State Department of Labor & Industries (L&I) | Check a license |
| Washington, D.C. Washington | DC Department of Licensing and Consumer Protection (DLCP), Board of Industrial Trades | — |
| Wisconsin Madison, Milwaukee | Wisconsin Department of Safety and Professional Services (DSPS) | Check a license |
Compiled from official state agency and state bar sites, checked November 15, 2026.
When to schedule
Book tune-ups in spring (cooling) and fall (heating). Replacements are easier to schedule and negotiate in shoulder seasons than during a heat wave or cold snap.
Frequently asked questions
How much does HVAC repair cost?
Minor repairs such as a capacitor or refrigerant top-up commonly run a few hundred dollars, while compressor or coil replacements can exceed $1,500. Get a written estimate and compare it to the age of the system.
How often should I service my system?
Many manufacturers recommend a professional check once or twice a year — cooling in spring, heating in fall — plus regular filter changes.
When should I replace instead of repair?
If equipment is past about 15 years old and needs a major repair, replacement is often worth pricing. Ask the contractor to quote both so you can compare.
HVAC by city
Local notes for 155 cities — licensing bodies, climate and seasonal timing.
HVAC in New York, NYHVAC in Los Angeles, CAHVAC in Chicago, ILHVAC in Houston, TXHVAC in Phoenix, AZHVAC in Philadelphia, PAHVAC in San Antonio, TXHVAC in San Diego, CAHVAC in Dallas, TXHVAC in San Jose, CAHVAC in Austin, TXHVAC in Jacksonville, FLHVAC in Fort Worth, TXHVAC in Columbus, OHHVAC in Charlotte, NCHVAC in San Francisco, CAHVAC in Indianapolis, INHVAC in Seattle, WAHVAC in Denver, COHVAC in Washington, DCHVAC in Boston, MAHVAC in El Paso, TXHVAC in Nashville, TNHVAC in Detroit, MIHVAC in Oklahoma City, OK
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AllCityPros is an independent information resource. We do not endorse, rate or vouch for any specific business, and nothing here is professional advice. Cost ranges are national ballparks and are not quotes. Always verify licences, insurance and references yourself.