Find a licensed HVAC contractor in Castle Hill, Unionport, Bronx
5 licensed HVAC contractors in Castle Hill, Bronx for AC repair, furnace and boiler repair and heat pumps. Public license records, local data and how to check a license.
HVAC Contractors in Castle Hill 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 Castle Hill?
Castle Hill HVAC contractors, sorted by how many permits each firm filed for jobs in Castle Hill in the last two years. Every listing holds an active license; tap one for its record.
U & I Mechanical Corp
DOB-registered contractor #021996Big Apple Air Inc.
DOB-registered contractor #604478Jaco Mechanical Inc.
DOB-registered contractor #035318JR Mechanical NY LLC
DOB-registered contractor #626222Global HVAC LLC
DOB-registered contractor #622145
Every Castle Hill HVAC contractor record, A to Z
What should you know about heating and cooling work in Castle Hill?
Castle Hill, Unionport has about 13,800 homes, in buildings with an average build year of 1948. About 39% of homes are in pre-1940 buildings, and 38% are in elevator buildings.
DOB issued 20 mechanical-systems permits (heating, cooling and ventilation) for work in Castle Hill in the past 12 months, and HPD wrote 179 heat or hot-water violations in rental buildings here (30th of 35 in Bronx).
Ask for a load calculation before replacing a system, and whether the job needs a DOB mechanical permit.
How does Castle Hill compare?
| Homes (housing units) | 13,800 (NYC PLUTO) |
|---|---|
| Average year built | 1948 (NYC PLUTO) |
| Homes in pre-1940 buildings | 39% (NYC PLUTO) |
| Mechanical permits (12 months) | 20 (DOB NOW) |
| HPD heat and hot-water violations (12 months) | 179 (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 Castle Hill 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 Castle Hill?
5 licensed heating and cooling firms filed DOB permits for jobs in Castle Hill in the last two years. The most active here was U & I Mechanical Corp, with 4 permits.
How do I check an HVAC contractor's license in Castle Hill?
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 Bronx neighborhoods
Other licensed pros in Castle Hill
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.