• 122 Stromquist Ave Lowell Ma 01852
  • Monday-Friday
    8:00 am - 8:00 pm
24/7 Emergency Service
+1 9785511347
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About Warren Pro Air

Local HVAC, Done the Right Way.

We've spent the last 5+ years keeping families across the Merrimack Valley warm in winter and cool in summer — one honest job at a time.

Our Story

Started Local. Still Local. Still Picking Up the Phone.

Warren Pro Air opened in 2021 with one truck, one technician, and a simple idea — that the homeowner on the other end of the call deserves a tech who shows up on time, explains the problem in plain English, and charges what was quoted.

Five years later we've grown — more trucks, more techs, more customers — but the rule hasn't changed. No upsells you don't need. No mystery fees. No "we'll get back to you" that turns into never. Just heating and cooling work, done by people who live in the same towns we serve.

If your furnace just quit at 2 AM in January, we're already pulling on boots. That's the job.

  • Family-owned and operated, based in Lowell, MA
  • Licensed, insured, and NATE-certified technicians
  • Flat-rate, up-front pricing on every job
  • 24/7 emergency service, every day of the year
Warren Pro Air technician working on an HVAC system
5+ years serving
Massachusetts
5+ Years in Business
2,500+ Homes Served
100% NATE-Certified Techs
24/7 Emergency Service
Why Choose Us

What You Get When You Call Us

The same things we'd want if it were our own house — straight answers, fair prices, and the work done right the first time.

Licensed & Insured

Every tech in our trucks is licensed, fully insured, and NATE-certified. No subcontractors, no surprises.

Flat-Rate Pricing

You get the price before we start the work. If the job grows, you decide — we don't ambush you with add-ons.

On-Time, Every Time

Two-hour appointment windows, courtesy call before we head over. If we're late, we tell you why before you have to ask.

Same-Day Repairs

Most repairs handled the day you call. Furnace down? AC quit on the hottest day of the year? We're already on the way.

Satisfaction Guaranteed

If you're not happy with the work, we come back and make it right. 100% guarantee on every job — written, not just spoken.

Local. Always.

Lowell-owned, Lowell-staffed. We live in the towns we serve, so when we say "neighbor", we mean it.

Service Area

Where We Work

Headquartered in Lowell, MA — and on the road every day across the Merrimack Valley. If you're in any of these towns, we're a short drive away:

  • Lowell
  • Chelmsford
  • Tewksbury
  • Dracut
  • Billerica
  • Andover
  • North Andover
  • Westford
  • Tyngsborough
  • Methuen
  • Wilmington
  • Pelham, NH

Don't see your town? Give us a call — we cover most of Middlesex and Essex counties, plus southern New Hampshire.

Ready When You Are

Comfort You Can Count On.

Pick up the phone, send a message, or just stop by. Whichever way you reach us, you'll talk to a real person who knows the work.