Find a licensed HVAC contractor in Williamsburg, Brooklyn
22 licensed HVAC contractors in Williamsburg, Brooklyn for AC repair, furnace and boiler repair and heat pumps. Public license records, local data and how to check a license.
HVAC Contractors in Williamsburg with an active license, for AC repair, furnace and boiler repair, heat pumps, mini-splits, tune-ups and ductwork. Every listing comes from public license records, so you can check it before you hire.
Which licensed HVAC contractors work in Williamsburg?
Williamsburg HVAC contractors, sorted by how many permits each firm filed for jobs in Williamsburg in the last two years. Every listing holds an active license; tap one for its record.
Maric Mechanical Inc.
DOB-registered contractor #006125Maric Plumbing & Heating
DOB-registered contractor #028168HVAC Experts, Inc.
DOB-registered contractor #622582Richair Mechanical Inc.
DOB-registered contractor #609200Four Star Air Con'd Co. LL
DOB-registered contractor #028737Skilled Mechanical Inc.
DOB-registered contractor #612830Gataca HVAC Corp
DOB-registered contractor #615140Eastern BH Mechanical Incorporated
DOB-registered contractor #613371Petro Cooling HVAC Corp
DOB-registered contractor #624793R.A.M.S. Mechanical Inc.
DOB-registered contractor #021939LTB Mechanical Corp
DOB-registered contractor #009801Good-Will Mechanical Corporation
DOB-registered contractor #003820Fire Zone Ventilation &
DOB-registered contractor #606268Pristine Air Conditioning
DOB-registered contractor #625503New York Heating Corp
DOB-registered contractor #001688
Every Williamsburg HVAC contractor record, A to Z
What should you know about heating and cooling work in Williamsburg?
Williamsburg has about 33,666 homes, in buildings with an average build year of 1936. About 47% of homes are in pre-1940 buildings, and 30% are in walk-up apartment buildings.
DOB issued 159 mechanical-systems permits (heating, cooling and ventilation) for work in Williamsburg in the past 12 months, and HPD wrote 384 heat or hot-water violations in rental buildings here (15th of 40 in Brooklyn).
Ask for a load calculation before replacing a system, and whether the job needs a DOB mechanical permit.
How does Williamsburg compare?
| Homes (housing units) | 33,666 (NYC PLUTO) |
|---|---|
| Average year built | 1936 (NYC PLUTO) |
| Homes in pre-1940 buildings | 47% (NYC PLUTO) |
| Mechanical permits (12 months) | 159 (DOB NOW) |
| HPD heat and hot-water violations (12 months) | 384 (HPD) |
Do HVAC contractors need a license in New York City?
New York City has no general HVAC license. Heating, cooling and ventilation work that needs a permit is filed with the Department of Buildings as mechanical-systems work by a DOB-registered contractor. Oil burner installs need a DOB Oil Burner Equipment Installer license, gas piping needs a Licensed Master Plumber, and anyone handling refrigerant needs federal EPA Section 608 certification.
How can you check the license yourself?
Ask whether the job needs a DOB permit, who will file it, and for the technician's EPA 608 card. Every firm we list filed DOB mechanical-systems permits in the last two years.
Where can you check a pro or report a problem in NYC?
- NYC 311: report a housing, pest or noise problem
- HPD Online: building violations and complaints
- DOB NOW Public Portal: permits and licenses
- DCWP license search
- DCWP: file a consumer complaint
- NYS DEC: pesticide businesses and applicators
- NYC Health: rats and rat prevention
- HPD: bed bugs and landlord duties
- DOB: gas piping inspections (Local Law 152)
- NYC Open Data (the records behind these pages)
What can an HVAC contractor in Williamsburg help with?
- Furnace and boiler repair
- Central AC repair and replacement
- Heat pump and mini-split installs
- Seasonal tune-ups
- Duct cleaning and sealing
- Thermostat and zoning upgrades
- Refrigerant leak repair
- Indoor air quality and ventilation
Questions people ask
How many licensed HVAC contractors work in Williamsburg?
22 licensed heating and cooling firms filed DOB permits for jobs in Williamsburg in the last two years. The most active here was Maric Mechanical Inc., with 3 permits.
How do I check an HVAC contractor's license in Williamsburg?
Ask whether the job needs a DOB permit, who will file it, and for the technician's EPA 608 card. Every firm we list filed DOB mechanical-systems permits in the last two years.
Licensed HVAC contractors in other Brooklyn neighborhoods
Other licensed pros in Williamsburg
Sources: DOB NOW: Build mechanical-systems permits; NYC HPD housing violations; NYC DOHMH rat inspections; NYC PLUTO. Counts cover the 12 or 24 months before November 4, 2026.