Top 3 HVAC Contractors in Littleton

Compare the highest-rated hvac professionals in Littleton, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

North Country Climate Control

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating systems crucial for Littleton's harsh winters. They offer complete installation, maintenance, and repair services for all major brands with expertise in cold-climate heat pumps and oil/gas furnace systems. Known for their responsive emergency service during winter storms.

452 Main Street, Littleton, NH 03561

Specialties & Features

24/7 Emergency Heating Service
Cold Climate Heat Pumps
Energy Efficiency Audits
Oil and Gas Furnace Expertise

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
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#2

Alpine Heating & Cooling

4.6
(94 reviews)
Verified

Specializes in both residential and commercial HVAC systems with particular expertise in geothermal and ductless mini-split installations suited for New Hampshire's variable climate. They provide comprehensive maintenance plans to ensure system reliability through extreme temperature swings and are NATE-certified technicians.

212 Cottage Street, Littleton, NH 03561

Specialties & Features

Geothermal Systems
Ductless Mini-Splits
HVAC Maintenance Plans
Commercial HVAC Services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
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#3

White Mountain Mechanical Services

4.5
(83 reviews)
Verified

A family-owned HVAC provider with deep roots in the North Country region. They offer robust furnace and boiler services essential for winter survival, along with air conditioning installation and repair. Strong focus on ductwork design and indoor air quality solutions for older homes common in the Littleton area.

578 Union Street, Littleton, NH 03561

Specialties & Features

Boiler Installation/Repair
Ductwork Design & Sealing
Indoor Air Quality Solutions
Oil Furnace Specialists

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
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Why These Are the Top HVAC Contractors in Littleton

Littleton's HVAC market is heavily influenced by its humid continental climate with cold, snowy winters (average lows of 5°F) and warm summers. This creates strong seasonal demand for reliable heating installation/repair (particularly oil and gas systems) and growing interest in energy-efficient heat pumps. The market consists of approximately 25 providers serving the town and surrounding Grafton County areas, with emphasis on emergency winter service capabilities and systems capable of handling temperature extremes. Older housing stock also creates demand for ductwork modernization and efficiency upgrades.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Littleton regulations and climate