Voted NH's Best
HVAC, Plumbing, and Electrical Company
Family-owned and operated since 1928. Southern NH's trusted experts for heating, air conditioning, plumbing, and electrical installation, repair, and replacement.
Nearly a Century
of Keeping NH Warm
Abel J. LeBlanc founded A.J. LeBlanc Heating in 1928 with a simple promise: do the job right, treat customers like neighbors, and stand behind your work. Four generations later, that promise hasn't changed.
A.J. LeBlanc Heating by the Numbers
Complete Home Comfort.
One Trusted Contractor.
From your furnace to your faucets, our licensed teams handle it all. One call covers it.
Heating
Furnace installation & repair, boilers, heat pumps, water heaters, and 24/7 emergency service throughout Southern NH.
Air Conditioning
Central A/C, ductless mini splits, heat pumps & indoor air quality. Thousands of mini split systems installed across Southern NH.
Plumbing
Kitchen & bath remodeling, water heaters, faucets, drains, water treatment & complete plumbing service and repair.
Electrical
Panel upgrades, standby generators, EV & Rivian charger installation, whole-home battery backup, lighting & electrical repair.
The Difference Is in the Details
Licensed, Insured & Background-Checked
Every HVAC technician is EPA certified and NH gas-licensed. Our plumbers and electricians are NH master or journeyman licensed in their trade. A.J. LeBlanc Heating is ACCA QA Certified. Fully insured.
Never Commission-Based
Our techs earn the same regardless of what they sell. You always get honest recommendations.
24/7/365 Emergency Response
No heat at 2am? We answer the phone. Available around the clock, every day of the year.
Family-Owned, 4th Generation
Joy LeBlanc and her nephew Bryan Savoie lead the company Joy's grandfather Abel started in 1928. Not a franchise. A family legacy.
NH Homeowners Trust A.J. LeBlanc Heating
"LeBlanc Heating is an honest family owned business that puts the needs of the customer first and foremost. You can trust A.J. LeBlanc Heating to keep you warm in the winter and cool in the summer."
"A.J. Leblanc Heating, from estimate to install, treats you like you are a valued customer. They truly understand how business should be conducted in today's environment where good service is hard to find."
"I could not be more satisfied with the whole experience of having our HVAC system installed. It works as promised. The professionalism and the neatness of the work done in our home was exceptional. I would recommend A.J. Leblanc Plumbing/Heating to my friends and family."
Four Generations.
One Standard.
Joy LeBlanc and her nephew Bryan Savoie lead the company today, continuing what Joy's grandfather Abel started in 1928. Every employee is hired to that standard: quality workmanship, no shortcuts, no compromises.
Proudly Serving
Southern New Hampshire
From Manchester and Nashua to the towns in between, we know these communities because we live and work in them.
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
Schedule Online in 60 Seconds
Pick a date and time that works for you. Service, maintenance, or estimate visits, no phone tag.
Contact Information
Mon-Fri: 8am-4:30pm
Evenings & Weekends: Emergency Service
24/7 Emergency Service
No heat? No hot water? Call 603-623-0412 any time.