HVAC, Plumbing &
Electrical in Southern NH
Four trades. One company. 98+ years serving Southern NH. Heating, A/C, plumbing, and electrical from our licensed, background-checked team.
Everything Your Home Needs
Heating
Furnace, boiler, and heat pump installation and service. Gas, oil, and propane. Emergency repair 24/7.
Heating ServicesAir Conditioning
Central A/C, ductless mini splits, and heat pump installation and maintenance. Mitsubishi Diamond, Bosch Platinum, Daikin Comfort Pro, and LG Pro Dealer Platinum dealer.
A/C ServicesPlumbing
Kitchen, bathroom, new construction, drain cleaning, water heaters, and emergency plumbing.
Plumbing ServicesElectrical
Panel upgrades, generators, EV chargers, lighting, and electrical repair throughout Southern NH.
Electrical Services
Why Customers Choose A.J. LeBlanc Heating
A.J. LeBlanc Heating has been serving Southern NH families since 1928, four generations of the same family, the same values, and the same commitment to doing the work right. The company has grown from a small heating operation into a full-service HVAC, plumbing, and electrical contractor, but it still operates the way it always has.
- 98+ years serving Southern NH families
- More than 30,000 customers across the region
- Licensed in HVAC, plumbing, and electrical
- Licensed, background-checked team, our own in-house employees, not subcontractors
- Readers' Choice winner: HVAC, plumbing, electrical & generators
- Mitsubishi Diamond, Bosch Platinum, Daikin Comfort Pro & LG Pro Dealer Platinum dealer; NHSaves registered contractor
Schedule Service or Request an Estimate
A furnace tune-up, a new heat pump, a bathroom remodel, or a generator: we do it all. One call, one company, one standard.
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
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.