The Best HVAC in Amherst, NH

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

#1

Amherst Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency system installations and complex ductwork design for Amherst's historic and modern homes. Known for expertise in both traditional forced-air systems and modern heat pump solutions suited for New England's variable climate.

15 Boston Post Road, Amherst, NH 03031

Specialties & Features

Energy Efficiency Consulting
Ductwork Design & Installation
24/7 Emergency Service
Heat Pump Systems
Boiler Services

Business Information

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

Souhegan Valley Heating & Cooling

4.6
(94 reviews)
Verified

A family-owned HVAC provider with deep roots in the Souhegan Valley region. They excel in heating system repair and maintenance, particularly with oil and gas furnaces common in older Amherst homes. Their technicians are NATE-certified and specialize in winter emergency preparedness.

8 Commerce Way, Amherst, NH 03031

Specialties & Features

Furnace Repair & Installation
Oil-to-Gas Conversion
Pre-Winter Tune-ups
24/7 Emergency Service
Indoor Air Quality Solutions

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Granite State AC & Heating

4.5
(88 reviews)
Verified

Specializes in comprehensive air conditioning solutions and modern heating system replacements. They are a Bryant® Factory Authorized Dealer and focus on helping homeowners upgrade to more energy-efficient systems with available rebates, addressing both humid summers and cold winters.

22 Route 101A, Amherst, NH 03031

Specialties & Features

AC Installation & Maintenance
System Replacements
Energy Efficiency Upgrades
Ductless Mini-Splits
Smart Thermostat Integration

Business Information

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

Why These Are the Top HVAC Contractors in Amherst

Amherst, NH experiences a humid continental climate with cold, snowy winters (average lows in the teens) and warm, humid summers (average highs in the low 80s°F). This creates a strong year-round demand for reliable HVAC services. The housing stock includes many older colonial homes requiring specialized ductwork and heating solutions alongside newer constructions seeking high-efficiency heat pumps and central air. The market is competitive with an emphasis on emergency furnace repair in winter, AC service in summer, and energy-efficient upgrades due to high energy costs.

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 Amherst regulations and climate

Frequently Asked Questions About HVAC in Amherst

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

1What is the best time of year to schedule HVAC maintenance or replacement in Amherst, NH?

For maintenance, the ideal times are early spring (for AC) and early fall (for heating) to ensure systems are ready for peak demand. For full system replacement, scheduling during these shoulder seasons (April-May or September-October) is highly recommended, as Amherst HVAC companies are less busy than during the extreme summer heat or winter cold snaps, leading to better scheduling flexibility and potential off-season promotions.

2How does Amherst's climate affect my choice of heating system?

Amherst experiences cold, snowy winters with average lows in the teens, making system efficiency and reliability critical. We highly recommend systems with strong cold-climate performance, such as modern high-efficiency gas furnaces or cold-climate heat pumps, which are increasingly popular due to New Hampshire's rebate programs. Proper sizing for our specific heating load (HDD) is essential to avoid high fuel costs and ensure comfort.

3Are there any local regulations or rebates in New Hampshire I should know about before installing a new HVAC system?

Yes. While Amherst follows the State of New Hampshire building and mechanical codes, the most important local consideration is securing the proper town permit for installation. Crucially, homeowners should explore rebates from NHSaves, which offers significant incentives for installing high-efficiency heat pumps, insulation, and other qualifying equipment, helping offset the upfront cost and improve long-term savings.

4What should I look for when choosing a local HVAC contractor in Amherst?

Always verify that the contractor is licensed by the State of New Hampshire (Plumbing & Mechanical License) and insured. Choose a company with a long-standing local presence, as they understand Amherst's specific housing styles (from historic colonials to newer developments) and weather challenges. Look for positive reviews on local community forums and ask for references from homes in your immediate area to gauge their reputation for reliability and service.

5My energy bills are very high in winter. What are the most effective efficiency upgrades for an older home in Amherst?

Before considering a new furnace or boiler, the first and most cost-effective step is a professional energy audit (often available through NHSaves) to identify air leaks and insufficient insulation, which are common in New England's older homes. Sealing ductwork, adding attic insulation, and upgrading to a programmable or smart thermostat tailored for our temperature swings can dramatically reduce heating costs before a major system investment is needed.