Dependable HVAC Services in Manchester, NH & Surrounding Areas
Proudly serving Manchester and surrounding New Hampshire communities since 1988.


Your Local HVAC Company Since 1988
Need help fast? Our expert techs are available day and night, delivering reliable service whenever you need it.
Our Services
The Best Comfort Far & Wide
Year-round home comfort calls for reliable heating and cooling, and Brookside is here to help with every part of your home's comfort.
Air Conditioning
Stay cool and energy-efficient all summer with expert AC repair, installation, and maintenance throughout Manchester and Southern New Hampshire.
Heating
From emergency furnace repairs to full system replacements, we keep your home warm and your heating system running reliably all winter long.
Air Quality
Whole-home solutions, including air purifiers and humidifiers, to help you breathe cleaner, healthier air year-round.
New Construction HVAC
We work directly with builders and contractors to design and install properly-sized, energy-efficient systems for new construction.
HVAC Maintenance Plans
Protect your HVAC investment with regular tune-ups, priority scheduling, exclusive discounts, and peace of mind.
Discover the Brookside Difference
24/7 Emergency Services
Our expert techs are available day and night, delivering reliable service whenever you need it.
Unmatched Customer Service
We deliver service built around treating every customer right, every time.
Quality Products
We install quality products you can count on for long-lasting comfort.
Fast, Reliable Response
Count on fast response times whenever your home needs us.
Comprehensive HVAC Services
From air conditioning to heating to air quality, we handle it all.
Highly Trained Technicians
Our highly trained technicians bring the know-how to get the job done right.

What Neighbors Say
“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 RixOctober 2026“The technician came right out. He was very polite, knowledgeable, and was able to fix the problem quickly.”
Gina JohnsonOctober 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 LazosOctober 2026“Great customer service. Techs are on time, knowledgeable and very friendly to work with.”
Anne LeducSeptember 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!”
Allison TwiteSeptember 2026“Neil is great. Excellent communication skills and takes the time to answer your questions. Very knowledgeable and will do his best to get the job done right. Quite the perfectionist. Very highly recommend”
Robert SonginiSeptember 2026Southern New Hampshire and Surrounding Areas
Residents of Manchester, New Hampshire, and the surrounding areas know that they can count on us for their needs.
Service area
Manchester, NH 03109
See the Manchester pageOpen in Google Maps
Get fast, reliable service from Brookside
Residents of Manchester, New Hampshire, and the surrounding areas know that they can count on us for their needs.
Schedule Service NowFree home comfort workshop
Free Home Comfort Workshop
This fall, our technicians are hosting a relaxed evening on keeping your home warm, efficient and safe all winter. Tell us a little first, so we cover what matters to you.
What are you hoping to learn?
- Lowering my heating bills
- Taking care of my furnace or boiler
- Heat pumps and ductless mini-splits
- Indoor air quality and winter dryness
- When to repair and when to replace
- Rebates and financing
- Thermostats and smart controls
How do you heat your home today?
- Gas furnace
- Oil furnace
- Boiler (hot water or steam)
- Heat pump or mini-split
- Geothermal
- Not sure
About how old is your system?
- Less than 5 years
- 5 to 10 years
- 10 to 15 years
- More than 15 years
- Not sure
What's one question you'd like our technicians to answer?
Nothing is too small. If you're wondering about it, your neighbors probably are too.
Where should we send the workshop details?
We'll share the date, time and place as soon as they're set.
Would you like a technician to look at your system before winter?
A tune-up now can head off a no-heat call on the coldest night of the year.


