HVAC companies in Brentwood, NY 11717
3 HVAC companies, with local market data for this ZIP.
General contractors 77Concrete and masonry 24Remodeling 12Roofing and exteriors 12Electricians 5Excavation and demolition 5HVAC 3Carpentry, drywall and windows 3Fences and decks 2Painting 2Other construction trades 1Garage doors 1
Typical home value$638,000+5.6% in the past year
New homes permitted, 20251,399Suffolk County
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Advanced Air Conditioning, Heating & RefrigerationHVAC contractor · 1158 Suffolk Ave Unit C, Brentwood(631) 231-6767 · advancedairheat.com
BoilersrusHVAC contractor · 199 Crooked Hill Rd, Brentwood(631) 404-2454 · boilersrus.com
Miller Aire Corp.HVAC contractor · 2 Cain Dr, Islip(631) 435-8000 · miller-mechanical.com
HVAC in ZIP 11717 at a glance
Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units.
Local figures are estimates from public records and Zillow housing data, updated regularly.