HVAC, Plumbing &
Electrical in Southern NH
Four trades. One company. 98+ years serving Southern NH. Heating, A/C, plumbing, and electrical by licensed, background-checked technicians.
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. Top-tier dealer for Mitsubishi, Bosch, Daikin, and LG.
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
- 30,000+ customers across the region
- Licensed in HVAC, plumbing, and electrical
- Background-checked technicians, employees, not subcontractors
- Readers' Choice winner: HVAC, plumbing, electrical & generators
- Top-tier Mitsubishi, Bosch, Daikin & LG 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.
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.