Amherst, NH
HVAC Company in Amherst, NH
Brookside Heating & Cooling provides quality HVAC services, helping Amherst homeowners stay comfortable through all four seasons.
Our services
HVAC Services in Amherst
Air Conditioning
AC repair, replacement and maintenance to keep your home cool and efficient all summer.
Heating
Fast heating repair, maintenance and replacement to keep your home warm through Amherst winters.
Air Quality
Air purifiers and humidifiers designed to support a cleaner, more balanced home environment.
New Construction
HVAC design and installation for homeowners, builders and contractors building new in Amherst.
Why Choose Brookside Heating & Cooling?
Since 1988, Brookside has served Southern New Hampshire with reliable HVAC services and a commitment to customer care.
24/7 emergency service
Our team is available when urgent heating or cooling problems can't wait for regular business hours.
Fast, reliable response
We'll arrive quickly and deliver the service you need without unnecessary delays.
Highly trained technicians
Our technicians bring the knowledge and experience needed to service a wide range of HVAC systems.
Quality products
We install dependable systems and equipment built to support long-term home comfort.
A+ BBB rating
Brookside is a BBB-accredited business with an A+ rating, reflecting our commitment to dependable service.
Reviews
What neighbors say about us
4.9from 252 reviews onGoogle
“Came on time, eval was very thorough, was communicative, pleasant, polite, explained all the options, seemed well educated in the mechanics, left after diagnosis and came back same day to make repairs.”
Robby Rix
October 2026
“The technician came right out. He was very polite, knowledgeable, and was able to fix the problem quickly.”
Gina Johnson
October 2026
“I’ve always loved the Customer Service at Brookside Mechanical, and today was no exception. Jon did a fantastic job checking my furnace for annual maintenance and he explained everything so I would have no questions.”
Susan Lazos
October 2026
“Great customer service. Techs are on time, knowledgeable and very friendly to work with.”
Anne Leduc
September 2026
“I’ve been a long time customer of Brookside Mechanical for a long time. Johnny Mac did a great job diagnosing our thermostat issues and installing updated equipment in our home. Another fantastic job by Brookside Mechanical!”Read the full review
Allison Twite
September 2026
Review 1 of 5
Frequently Asked Questions
Does Brookside offer 24/7 emergency HVAC repair in Amherst?
Yes, Brookside offers 24/7 emergency HVAC repair when your comfort and safety are on the line. Our technicians respond to urgent heating and cooling issues to restore comfort as quickly and reliably as possible, whether your system has stopped running or is making unusual noises.
What heating systems does Brookside service in Amherst?
Brookside services and installs furnaces, boilers, heat pumps and geothermal systems for Amherst homes. Furnaces provide strong, reliable heat and are a common choice for many New Hampshire homes, while heat pumps and geothermal systems offer efficient heating and cooling year-round.
Does Brookside install ductless mini-splits in Amherst?
Yes, Brookside installs and services ductless mini-splits, which give Amherst homeowners a customizable, non-traditional cooling option for additions, older homes, finished basements, and rooms that never seem to stay comfortable.
Does Brookside work with builders on new construction HVAC in Amherst?
Yes, Brookside provides new construction HVAC installations for homeowners, builders, and contractors building a new home in Amherst. As an NAHB member, we understand the importance of properly sized equipment, thoughtful ductwork, and efficient performance from day one.
Still not sure? Call (603) 691-2106.