HVAC companies in Billerica, MA 01821
13 HVAC companies, with local market data for this ZIP.
General contractors 41HVAC 13Roofing and exteriors 12Concrete and masonry 10Electricians 7Remodeling 6Carpentry, drywall and windows 5Garage doors 4Other construction trades 3Flooring and tile 2Painting 2Excavation and demolition 1
Area profitability, HVAC61 / 100Strong market, crowded field
Typical home value$696,000+2.6% in the past year
New homes permitted, 20252,341Middlesex County
Homeowners82.2%11,511 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Best Boston HVACHVAC contractor · 47 Applewood Ave, Billerica(508) 574-6531 · bestbostonhvac.com
Bruno Brothers Plumbing & HVACHVAC contractor · 258 Salem Rd Ste 12, Billerica(978) 667-1326 · brunobrotherscorp.com · 1 driver, 1 truck
Conway Heating and AirHVAC contractor · 254 Salem Rd, Billerica(978) 479-0720 · conway-hvac.com
Macco EnergyHVAC contractor · 17 Bridge St Ste 205, Billerica(978) 600-1655 · maccoenergy.com
Mancini Heating & CoolingHVAC contractor · 77 Alexander Rd, Billerica(978) 436-9944 · Mancinihvac.com
Net Zero Heating & Air Conditioning, LLCHVAC contractor · 55 Ellingwood Ave, Billerica(888) 306-3893 · netzerohvac.net
Sears Heating and Air ConditioningHVAC contractor · 484 Boston Rd, Billerica(708) 649-0329 · searshomeservices.com
Unique Indoor ComfortHVAC contractor · 77 Alexander Rd #9, Billerica(781) 933-7878 · bostonuniqueindoorcomfort.com
Warrior Heating and CoolingHVAC contractor · 22 Jared Cir, Billerica(617) 286-5682 · WarriorHeatingCooling.com
A C MechanicalHVAC contractor · 8 Georgianna Rd, Billerica(978) 996-2565 · 1 driver, 1 truck
Carlson HVAC IncHVAC contractor · 251 Old Concord Rd, Billerica(978) 561-9094
Seneca Heating And Sheet Metal Company IncHVAC contractor · Billerica(978) 667-2850 · 8 drivers, 1 truck
SLS Ventilation CorporationHVAC contractor · 258 Salem Rd, Billerica(844) 757-8368
HVAC in ZIP 01821 at a glance
Local building angle: Middlesex County permitted 2,341 new homes in 2025, including 1,372 apartment units. 16% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.