HVAC companies in Littleton, NH 03561
3 HVAC companies, with local market data for this ZIP.
General contractors 14HVAC 3Painting 2Excavation and demolition 2Electricians 2Remodeling 1Concrete and masonry 1Roofing and exteriors 1Carpentry, drywall and windows 1Other construction trades 1
Area profitability, HVAC31 / 100Soft market, crowded field
Typical home value$354,000−0.5% in the past year
New homes permitted, 2025408Grafton County
Homeowners51.1%2,782 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Jeff Mackay MechanicalHVAC contractor · 185 School St, Littleton(603) 444-6770 · jeffmackaymechanical.com
Larry's Plumbing & HeatingHVAC contractor · 18 Oak Hill Ave Apt 2, Littleton(603) 444-7400 · larrysplumbingandheating.com
Roland C Abbott Plumbing & Heating Inc.HVAC contractor · 4 Redington St, Littleton(603) 444-7100 · rcabbottplumbingandheating.com
HVAC in ZIP 03561 at a glance
Local building angle: Grafton County permitted 408 new homes in 2025, including 99 apartment units. 18% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.