HVAC companies in Waltham, MA 02453

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

Area profitability, HVAC65 / 100Strong market, crowded field
Typical home value$795,000+0.9% in the past year
New homes permitted, 20252,341Middlesex County
Homeowners43.4%12,684 households

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

Genove Oil & Air, Inc.HVAC contractor · 53 Williams St, Waltham(781) 893-9191 · genoveoil.com · 4 drivers, 4 trucks
JF HVAC ServicesHVAC contractor · 308 Moody St, Waltham(781) 472-0094 · jfhvacservices.com
L.M. Heating & Air Conditioning co.HVAC contractor · 195 Robbins St, Waltham(781) 899-0754 · lmheatingandair.com
Republic SupplyHVAC contractor · 72 Felton St, Waltham(781) 790-8969 · republicsupplyco.com
A&D Sheet MetalHVAC contractor · 15 Farwell St, Waltham(781) 202-5179
Ae Carter Plumbing And Heating IncHVAC contractor · Waltham(781) 893-5554 · 2 drivers, 2 trucks
Valiant Oil Co IncHVAC contractor · 30 Elm St, Waltham(781) 891-1000

HVAC in ZIP 02453 at a glance

Local building angle: Middlesex County permitted 2,341 new homes in 2025, including 1,372 apartment units. 15% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.