HVAC companies in Brookhaven, NY 11742
4 HVAC companies, with local market data for this ZIP.
General contractors 28Concrete and masonry 17Remodeling 4HVAC 4Electricians 4Painting 1Carpentry, drywall and windows 1Flooring and tile 1Fences and decks 1Other construction trades 1
Area profitability, HVAC57 / 100Strong market, crowded field
Typical home value$657,000+6.7% in the past year
New homes permitted, 20251,399Suffolk County
Homeowners83.6%4,508 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
East Coast Air Design Inc.HVAC contractor · 194 Morris Ave, Brookhaven(631) 319-1510 · ecadny.com · 2 drivers, 3 trucks
Marran Warmth & SecurityHVAC contractor · 20 Corporate Dr, Holtsville(631) 654-2500 · marransecurity.com · 6 drivers, 5 trucks
Twin Air Inc.HVAC contractor · 1600 N Ocean Ave Ste 3A, Holtsville(631) 698-0580 · twinairinc.com
Scarpelli MechanicalHVAC contractor · 1600 N Ocean Ave Ste 10, Holtsville(631) 438-0490 · 1 driver, 1 truck
HVAC in ZIP 11742 at a glance
Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units. 13% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.