Cary HVAC in numbers
| What we measured | Cary |
|---|---|
| HVAC permits, three years | 9,909 |
| Firms | 372 |
| Firms with a permit in the last 12 months | 249 |
| Usual filed value | $9,891 |
| Middle half of firms' usual value | $7,900 to $11,693 |
| Usual days from permit to final | 29 |
| Finaled (permits a year or more old) | 77.9% |
| 10th / 90th-percentile firm (10+ permits) | 51.6% / 95.4% |
| Firms under 70% finaled | 21 of 107 |
Filing peaks in June (index 142, where 100 is an average month) and bottoms out in February (65): a replacement planned for late winter is booked in the quietest stretch. Prices by job size are on the Cary HVAC cost page.
Which license a Cary HVAC contractor needs
North Carolina licenses HVAC work through the State Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors. Its consumer page says the license is needed by "Anyone who contracts to install, alter or restore plumbing, heating (includes air conditioning) or fire sprinkler systems", and that "Minor repairs and service work to plumbing and heating systems do not require a state license" (read 23 October 2026). A replacement is not a minor repair.
The Town asks for the numbers too: its permit FAQ tells applicants to "include all of your contractors' names, addresses and state license numbers". The five-minute check: get the heating license number from the quote, search it on the board's Verify License Search, and check the status and that the company matches. More in the Cary contractor license lookup.
The permit rule for HVAC work in Cary
The Town lists "Heating and cooling systems and/or components" among residential work that needs a permit, and state law requires one for "The installation, extension, alteration, or general repair of any heating or cooling equipment system" (G.S. 160D-1110, read 23 October 2026). The contractor pulls it. An owner may do their own mechanical work, but the Town says state law requires the house to be the owner's primary residence for at least 12 months after; that exemption is not for a job a contractor does. Other cities: do I need a permit for HVAC replacement.
Red flags in the Cary record
- A finaled share under 51.6%. That is the 10th-percentile line among the 107 Cary HVAC firms with 10 or more permits; 21 final under 70%, some of them busy firms. Ask who books the final and get the result in writing.
- No state license number to give you. The Town asks for it on the application.
- One permit and gone. 112 HVAC firms (30.1%) filed exactly one Cary permit in three years.
- A firm that stopped filing. 11 firms with 5 or more permits filed none in the last 12 months.
- A price far outside $7,900 to $11,693 with no reason given (ductwork, a second system, a fuel change).
The busiest Cary HVAC contractors in the last 12 months
Ranked by Cary HVAC permits in the last 12 months of the window; firms trading under a person's name are left out of this table and are on the compare list. Volume, not quality: compare the finaled column.
| Firm | Permits, last 12 months | Permits, three years | Finaled |
|---|---|---|---|
| Air Experts Heating, Co | 345 | 1,033 | 92.7% |
| Mandolin HVAC & Construction | 192 | 471 | 17.7% |
| American Residential | 184 | 580 | 94.9% |
Busy and finished are different things here: among the busiest firms, finaled shares differ by more than 70 points. The compare list shows every firm's share and usual filed value.
See every Cary HVAC contractor by permits finaled →
What the Cary record does not tell you
"Finaled" means the Town's inspection passed or occupancy was granted; an expired permit counts against a firm, and a low share can also mean the firm stopped booking finals rather than bad work. We have not matched permits to the board's license file, so our pages show no license status. Company names on Cary permits are cut at 30 characters. The national checklist is in hiring an HVAC contractor, and state rules in how to check a contractor's license in North Carolina.
How we know this
Permits are Town of Cary residential HVAC permits, 2023-10 to 2026-09; never-issued applications are left out. "Finaled" uses permits a year or more old; days to final is the median from issue to completion. Percentile and under-70% figures use HVAC firms with 10 or more permits; the filed-value range uses firms with 3 or more. The busiest-firm table ranks by permits in the last 12 months. No license status is shown. Board, statute and Town text is quoted from their own pages, read 23 October 2026.
Numbers come from Town of Cary building permit applications (issued permits only), data through October 16, 2026. Nobody paid to be on this page and nobody can.
Questions
- How do I choose an HVAC contractor in Cary?
Check the firm's heating license on the NC plumbing and heating board's search, make sure it pulls the Town's mechanical permit, and read how its Cary permits finished: 77.9% of Cary HVAC permits a year or more old were finaled, and the 10th-percentile busy firm finaled only 51.6%.
- Does an HVAC contractor need a license in Cary?
Yes, a state license from the NC State Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors for anyone who contracts to install, alter or restore heating or air conditioning. The board says minor repairs and service work do not need a state license.
- Do I need a permit to replace a heat pump or furnace in Cary?
Yes. The Town lists heating and cooling systems and components as permit work, and NC law (G.S. 160D-1110) requires a permit for installing, extending, altering or generally repairing any heating or cooling system.
- How much does a new HVAC system cost in Cary?
The usual Cary HVAC permit was filed at $9,891, and the middle half of firms usually file between $7,900 and $11,693. That is the value written on the permit, not a quote.
- Who are the busiest HVAC contractors in Cary?
By permits in the last 12 months, Air Experts Heating, Co led with 345. The five busiest hold 32.0% of Cary's HVAC permits.
Build your own list
Every firm with that kind of permit on record. Pick what you value. The list moves.
Related guides
- Hiring an HVAC contractor: 5 red flags and 10 questions, checked against HVAC permits in 43 cities
- How many contractor quotes should you get? Three, and how to tell if they're in range
- How to compare contractor bids: what a good quote and contract include, and how to check each line
- Hiring an HVAC contractor in Austin: the TDLR license, the permit, and what 18,000 HVAC permits show
- Hiring an AC contractor in Orlando: the DBPR license, the mechanical permit, and what 8,300 HVAC permits show
- Hiring an HVAC contractor in Sacramento County: the CSLB C-20 license, the permit, and what 7,900 HVAC permits show
For one city
- Verify License Search — NC State Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors (2026-10-23)
- Consumer Awareness — NC State Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors (2026-10-23)
- NC General Statutes 160D-1110 Building permits (2026-10-23)
- Residential Permits & Inspections FAQ — Town of Cary (2026-10-23)