Providing Heating & Air Conditioning to NH, MA and ME.

We're here for you 24 hours a day, 7 days a week.

Request Service

  • By submitting this form, you agree to receive text messages from Brookside Mechanical related to your service requests, appointment updates, and occasional promotions. Message and data rates may apply. Message frequency varies. You can reply STOP at any time to unsubscribe or HELP for assistance. Your information is never shared or sold.
    Privacy Policy | Terms & Conditions
over 30 years of experience in the business

Since 1988 Brookside Mechanical Inc. has been one of the area's leading Heating and Air Conditioning companies.

Learn More

Our Services

Air Conditioning &
Heating Systems
Humidification & Air Purification Systems
New Construction
Commercial & Residential
View Our Wide Variety Of Services

Discover the Reinforcement Difference

24/7 Emergency Service
We offer on-call service for all heating and air conditioning needs
Service Areas
We serve the New Hampshire, Massachusetts, and Maine regions for both residential and commercial clients.
Wide Variety Of Services
We are proud to offer a wide array of new services to the HVAC community.
Wide Variety Of Services
We are proud to offer a wide array of new services to the HVAC community.
Customer Satisfaction
Take a look at our testimonials to see raving reviews from our previous customers.
Customer Satisfaction
Take a look at our testimonials to see raving reviews from our previous customers.
Quality Products
We only use the highest quality products to achieve the highest quality results.
Quick Response
Our customers are important to us. That is why we are quick to respond and help.