HVAC companies in Belmont, MA 02478

9 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC72 / 100Strong market, crowded field
Typical home value$1,421,000+1.4% in the past year
New homes permitted, 20252,341Middlesex County
Homeowners64.7%10,336 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Barrell Jos P Plumbing & Heating ContractorsHVAC contractor · 61 Lincoln St, Belmont(617) 489-3600 · barrellplumbing.com
Belmont Oil Co.HVAC contractor · 43 White St, Belmont(617) 484-5228 · belmontoil.com
Belmont Plumbing & HeatingHVAC contractor · 115 Leonard St, Belmont(617) 484-2700 · belmontplumbing.com
H.O. ServicesHVAC contractor · 83 Concord Ave, Belmont(617) 489-6324 · hoelectric.com
Prendergast Oil Company Inc.HVAC contractor · 108 Farnham St, Belmont(617) 484-7771 · prendergastoil.com · 2 trucks
The Heat Pump Store by AkianHVAC contractor · 394 Trapelo Rd, Belmont(617) 203-7501 · akianplumbing.com
Thermoil, Inc.HVAC contractor · 766 Pleasant St, Belmont(617) 926-0779 · thermoilincma.com · 3 drivers, 2 trucks
Freiner Company, Inc.HVAC contractor · 45 Brighton St, Belmont(617) 484-4404 · 6 drivers, 6 trucks
Leonard St PlumbingHVAC contractor · 115 Leonard St, Belmont(617) 826-6793

HVAC in ZIP 02478 at a glance

Local building angle: Middlesex County permitted 2,341 new homes in 2025, including 1,372 apartment units. 9% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.