The Best HVAC Company in Chelmsford

Compare top-rated hvac providers in Chelmsford. Profiles include verified reviews, service details, and direct contact options.

Service providers

Dodge Cooling and Heating

Closed until Mon, 7:00 AM

At Dodge Cooling and Heating in Chelmsford, we're your dedicated HVAC specialists, providing a comprehensive range of services to keep your home c…

128 Plumbing, Heating, Cooling & Electric

In Chelmsford's vibrant community, we, at 128 Plumbing, Heating, Cooling & Electric, are your reliable partners for comprehensive home services. W…

HVAC pros near Chelmsford

These companies are based in nearby cities and serve Chelmsford.

Medford Wellington Service Company

Medford Wellington Service Company

North Billerica, Massachusetts · 0.8 mi away

Open today

Open 24/7

In North Billerica, we are Medford Wellington Service Company - your comprehensive HVAC specialists. We pride ourselves on delivering exceptional …

Affordable Heat & Air

Affordable Heat & Air

North Billerica, Massachusetts · 1.1 mi away

Open today

Open 24/7

At Affordable Heat & Air in North Billerica, we deliver reliable HVAC solutions that keep your home comfortable all year round. As a dedicated HVA…

MAC HVAC

MAC HVAC

North Billerica, Massachusetts · 1.1 mi away

Closed until Mon, 8:00 AM

In North Billerica, we are MAC HVAC - your reliable partner in keeping your home's cooling systems running smoothly. We specialize in air conditio…

Mike Giasullo Oil Burner Service Inc.

Mike Giasullo Oil Burner Service Inc.

North Billerica, Massachusetts · 1.1 mi away

Open today

Open 24/7

At Mike Giasullo Oil Burner Service Inc., we specialize in HVAC services, proudly serving North Billerica and its surrounding communities. Our exp…

Frank's Heating & Air Conditioning

Frank's Heating & Air Conditioning

Tewksbury, Massachusetts · 1.3 mi away

Closed until Mon, 7:30 AM

In homes across Tewksbury, we understand that a malfunctioning HVAC system can bring comfort to a halt. At Frank's Heating & Air Conditioning, we'…

Hunter & Sons AC Heating & Cooling

Hunter & Sons AC Heating & Cooling

Lowell, Massachusetts · 1.9 mi away

Closed until Mon, 12:00 AM

In Lowell, we are Hunter & Sons AC Heating & Cooling - your reliable HVAC specialists. For over a decade, our team has been committed to deliverin…

Eagle Prime HVAC

Eagle Prime HVAC

Lowell, Massachusetts · 1.9 mi away

Open today

Open 24/7

At Eagle Prime HVAC in Lowell, we're dedicated to delivering exceptional heating and cooling solutions for your home. As a full-service HVAC contr…

R.H. Young Cooling and Heating, Inc.

R.H. Young Cooling and Heating, Inc.

North Billerica, Massachusetts · 1.9 mi away

Open today

Open 24/7

In homes across North Billerica, a familiar challenge arises: maintaining a comfortable and energy-efficient living space. We at R.H. Young Coolin…

Ranucci & Sons HVAC

Ranucci & Sons HVAC

North Billerica, Massachusetts · 1.9 mi away

Open today

Open 24/7

At Ranucci & Sons HVAC in North Billerica, we specialize in providing exceptional HVAC services for homeowners. Our team is dedicated to ensuring …

Best Boston HVAC

Best Boston HVAC

Billerica, Massachusetts · 2.1 mi away

Closed until Mon, 8:00 AM

At Best Boston HVAC, we specialize in delivering top-tier HVAC solutions for both residential and commercial clients in Billerica. Our expertise e…

Don't see your business?

Add your business and show up in search every time.

Add your business

Spotted an error? Let us know

Verified HVAC in Chelmsford, MA

We show only active businesses that pass moderation. Results are specific to Chelmsford and nearby service areas, and inactive profiles are removed to keep the list current.

Real reviews for hvac

Ratings and reviews come from customers who used the service. Compare hvac pros in Chelmsford by experience, responsiveness, and value before you reach out.

Local-first search in Chelmsford

Filter by neighborhood, check locations on the map, and find providers close to home or work in Chelmsford. Listings are refreshed regularly — November 2026.

Around Chelmsford, including North Billerica

The same listings in the closest cities — providers there often take jobs in Chelmsford too. Mileage is the approximate distance from Chelmsford.

Before you book in Chelmsford

Looking for hvac in Chelmsford? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.

Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.

Before you hire

  • Read the most recent reviews for your specific type of job.
  • Ask about licensing and insurance when required for this trade.
  • Get a written estimate for work over a few hundred dollars.
  • Confirm availability and any trip or emergency fees upfront.

Tips & guides from GigoPro

View all articles