The Best HVAC in Lyme, NH

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

#1

Lyme Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor serving Lyme and the Upper Valley for over 25 years. They specialize in high-efficiency heating systems crucial for New Hampshire winters, including advanced heat pumps, oil and gas furnaces, and comprehensive ductwork design. Their technicians are NATE-certified and particularly adept at solving the unique challenges of heating older homes in the region.

12 Dartmouth College Highway, Lyme, NH 03768

Specialties & Features

24/7 Emergency Service
Heat Pump Installation
Whole-Home Energy Efficiency Audits
Oil-to-Gas Conversion
Historical Home HVAC

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Upper Valley Heating & Cooling

4.6
(94 reviews)
Verified

A trusted family-owned HVAC provider known for reliability and exceptional customer service. They offer a strong focus on both installation of top-tier brands like Carrier and Mitsubishi Electric, and proactive maintenance plans to keep systems running efficiently in Lyme's variable climate. They are experts in zoning systems for larger homes and providing solutions for both new construction and retrofits.

8 Old River Road, Lyme, NH 03768

Specialties & Features

HVAC Maintenance Plans
Ductless Mini-Splits
Zoning System Design
Furnace Repair & Replacement
Indoor Air Quality Solutions

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

White Mountain Mechanical

4.5
(68 reviews)
Verified

Specializes in robust heating solutions and 24/7 emergency repairs, making them a go-to provider during the harsh Lyme winters. They have extensive experience with all fuel types common to the area, including propane, oil, and wood pellet systems. Their team is EPA-certified for refrigerant handling and focuses on durable, cost-effective repairs and installations for both residential and light commercial properties.

3 Grafton Turnpike, Lyme, NH 03768

Specialties & Features

24/7 Emergency Repairs
Boiler Services
Propane Furnace Installation
Wood Pellet & Multi-Fuel Systems
Commercial HVAC

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Lyme

The HVAC market in Lyme, NH, is defined by a humid continental climate with very cold, snowy winters and warm, humid summers. This creates a high demand for reliable, high-capacity heating systems (especially furnaces, boilers, and heat pumps with cold-climate ratings) and efficient whole-home air conditioning. The housing stock includes many older, historic homes that present unique challenges for ductwork installation and energy efficiency, driving demand for experts in retrofits, mini-splits, and energy audits. Service providers must be adept at handling multiple fuel sources like heating oil, propane, and wood, which are common in this rural area. The seasonal demand is sharply bimodal, with a major peak in late fall (system startups and replacements) and winter (emergency repairs), and a secondary peak in late spring for AC tune-ups.

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 Lyme regulations and climate

Frequently Asked Questions About HVAC in Lyme

Get answers to common questions about hvac services in Lyme, New Hampshire.

1What is the best time of year to schedule a new furnace or boiler installation in Lyme, NH?

The ideal time is during the late spring or summer (May-August). During Lyme's busy heating season, HVAC companies are prioritized for emergency repairs, and scheduling an installation can be difficult and potentially more expensive. Planning ahead in the warmer months ensures you get on the schedule before the first cold snap of our severe New Hampshire winters and often allows for better pricing and selection.

2Are there specific HVAC considerations for older homes in Lyme's historic district?

Absolutely. Many Lyme homes have unique layouts, older ductwork, or no ducts at all. A quality local HVAC provider will specialize in solutions like high-velocity mini-duct systems or ductless mini-splits that preserve architectural integrity while providing efficient heating and cooling. They will also be familiar with proper insulation and air sealing techniques critical for improving efficiency in drafty older structures common to the area.

3How much should I budget for a new central air conditioning system in my Lyme home?

For a standard, high-efficiency central AC system (including installation) for a typical Lyme home, homeowners should budget between $5,000 and $12,000. The final cost depends heavily on your home's size, existing ductwork condition, and the system's SEER rating. Given our humid summers, investing in a variable-speed or higher SEER unit (16+) can significantly improve comfort and long-term energy savings, offsetting some of the higher upfront cost.

4What local licenses or certifications should I look for when choosing an HVAC contractor in New Hampshire?

Always verify that the contractor holds a valid **New Hampshire Master Gas Fitter License** (for fuel-burning equipment) and/or a **Refrigeration Technician License**. For oil systems, a **Master Oil Burner Technician** license is required. Reputable Lyme-area contractors will also carry full liability insurance and workers' compensation. You can verify state licenses online through the NH Office of Professional Licensure and Certification (OPLC).