Air Conditioning
Installation, tune-ups and emergency AC repair to keep your home cool through every heat wave.
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24/7 Emergency Service Available
Bringing Comfort
Bringing Comfort
to Your Home 24/7
Trusted heating, cooling and HVAC specialists serving Lowell, MA and the surrounding communities. Licensed, certified and ready when you need us most.
- Certified Dealer
- Licensed & Insured
- Up-front Pricing
- 15+Years Experience
- 2,500+Homes Serviced
- 4.9★Average Rating
- 24/7Emergency Calls
Quality Heating & Cooling Services
From quick repairs to full system installations, our certified technicians handle every job with care.
Heating & Furnace
High-efficiency furnaces, heat pumps and boiler service so your family never spends a cold night.
Explore heating →Repair & Maintenance
Same-day diagnostics, ductwork, thermostats, water heaters and full preventative maintenance plans.
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15+
Years of Trusted
HVAC Service
HVAC Service
Your home comfort experts
High-Quality Heating Installation & Repair You Can Count On
Warren Pro Air has been the go-to heating and cooling team in Lowell for over a decade. We're a certified dealer for the brands you trust, and every visit is backed by clean uniforms, on-time arrivals and honest pricing.
- Factory-trained, NATE-certified technicians
- Transparent flat-rate pricing — no surprises
- 100% satisfaction guarantee on every job
- 24/7 emergency response, weekends included
How Can We Help You Today?
Click any service for details, photos and pricing — or just call us and we'll talk it through.
Air Conditioning
Central AC, ductless mini-splits and replacements.
Learn more →AC Repair
Same-day diagnostics for cooling that won't cooperate.
Learn more →Duct Services
Inspection, cleaning, sealing and new duct runs.
Learn more →Thermostat Install
Smart and programmable thermostats wired right.
Learn more →Furnace Service
High-efficiency installs, repairs and tune-ups.
Learn more →Heat Pumps
Year-round comfort with single-system heat pumps.
Learn more →Water Heaters
Tank, tankless and hybrid water heater experts.
Learn more →Maintenance Plans
Annual tune-ups that prevent costly breakdowns.
Learn more →The Warren Pro Air Difference
We're not the cheapest — we're the team your neighbors call back. Here's why.
01
On-Time, Every Time
We respect your schedule. Two-hour appointment windows and a courtesy call before we arrive.
02
Certified Technicians
Background-checked, NATE-certified pros who treat your home like their own.
03
Up-Front Pricing
You approve the price before we start work. No surprise fees, ever.
04
Workmanship Guarantee
Every install and major repair is backed by our 100% satisfaction promise.
What Our Neighbors Are Saying
★★★★★
"Furnace died on a Sunday morning in January. They had a tech at our door in under two hours and the heat back on by lunch. Can't recommend them enough."
★★★★★
"Replaced our 22-year-old central AC. Crew was on time, clean and walked me through everything. The new system is whisper-quiet."
★★★★★
"Honest pricing, no upselling, and they actually fixed what two other companies couldn't. These are my HVAC guys for life."
Tips, Guides & Updates
Practical advice on keeping your home comfortable and your HVAC system running longer.
December 28, 2019
Whole Home Humidifier Maintenance Checklist
These are the most frequently asked questions about HVAC, Sizing, and More. Please feel free to contact us…
Read article →
December 26, 2019
When to Replace Your Furnace?
These are the most frequently asked questions about HVAC, Sizing, and More. Please feel free to contact us…
Read article →
December 26, 2019
Need a New Heater? Choose a Heat Pump!
There are a lot of different options out there when it comes to the ways in which homeowners…
Read article →Brands We Service & Install
Visit Us
122 Stromquist Ave, Lowell, MA 01852
Call Anytime
Email Us
Business Hours
Mon–Fri 8:00 AM – 8:00 PM
24/7 Emergency Service