HVAC companies in Freeport, NY 11520
6 HVAC companies, with local market data for this ZIP.
General contractors 74Electricians 11Remodeling 10Other construction trades 9Roofing and exteriors 8HVAC 6Concrete and masonry 6Fences and decks 6Excavation and demolition 3Garage doors 2Carpentry, drywall and windows 2Painting 1Flooring and tile 1
Area profitability, HVAC62 / 100Strong market, balanced field
Typical home value$671,000+5.3% in the past year
New homes permitted, 2025821Nassau County
Homeowners71.3%14,129 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
A&I Mechanical Service IncHVAC contractor · 37 Commercial St, Freeport(516) 217-6441 · aimechanical.com
Allyn Oil Co IncHVAC contractor · 330 W Merrick Rd, Freeport(516) 379-2727 · allynservices.com · 4 drivers, 4 trucks
Brinco Mechanical Management Services IncHVAC contractor · 125 S Main St, Freeportbrinco.com · 1 driver, 1 truck
Elm Air ConditioningHVAC contractor · 177 Buffalo Ave, Freeport(516) 377-3200 · elmair.com · 13 trucks
Maple MechanicalHVAC contractor · 27 St Johns Pl, Freeport(516) 268-2665 · maplemechanical.com
Wise Aire MechanicalHVAC contractor · 56 E Milton St, Freeport(516) 244-9137 · wiseairemech.com
HVAC in ZIP 11520 at a glance
Local building angle: Nassau County permitted 821 new homes in 2025, including 159 apartment units. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.