HVAC companies in Greenlawn, NY 11740
3 HVAC companies, with local market data for this ZIP.
General contractors 5HVAC 3Roofing and exteriors 3Electricians 2Remodeling 2Painting 2Other construction trades 1
Area profitability, HVAC63 / 100Strong market, crowded field
Typical home value$886,000+3.8% in the past year
New homes permitted, 20251,399Suffolk County
Homeowners81.8%3,650 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
East Coast FuelHVAC contractor · 25 Frazer Dr, Greenlawn(631) 754-8481 · eastcoastfuel.com · 2 drivers, 4 trucks
Strikehard MechanicalHVAC contractor · 112 Kenneth Ave, Greenlawn(516) 220-3320 · strikehardmechanical.com
Smyth Plumbing IncHVAC contractor · 41 WELLS RD, UNIT REAR, Greenlawn(631) 261-0741 · 1 driver, 1 truck
HVAC in ZIP 11740 at a glance
Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.