HVAC Repair in Southern NH
Heat or AC down? Call now and reach a real person. Fast HVAC repair on all makes and models across Southern NH, with same-day service prioritized for emergency no-heat and no-cool calls.
We Fix Furnaces, Boilers, A/C, and Heat Pumps
A.J. LeBlanc Heating's technicians are trained to service all types of HVAC equipment. We respond quickly, diagnose accurately, and fix it right. We carry common parts on our trucks so most repairs are completed on the first visit.
Family-Owned in Southern NH Since 1928
Emergency Service Available
No heat in winter or no A/C in summer is an emergency. We offer emergency service and prioritize no-heat calls.
All Makes and Models
We service Goodman, Rheem, American Standard, LG, Carrier, Trane, Lennox, Navien, Mitsubishi, Daikin, and all other major brands.
Family-Owned Since 1928
Decades of HVAC experience mean we have diagnosed virtually every type of system problem.
First-Visit Fix Rate
We stock common parts on service vehicles to maximize first-visit repairs. Less waiting, less disruption.
Furnace and Boiler Repair
We repair all types of heating equipment including gas furnaces, oil furnaces, gas boilers, oil boilers, and heat pumps.
- No heat diagnosis and repair
- Ignition and pilot light issues
- Heat exchanger inspection
- Circulator pump and zone valve repair
- Thermostat and control board failures
- Emergency no-heat service available
Air Conditioner and Heat Pump Repair
We repair central air conditioners, ductless mini splits, and heat pump systems.
- No cool air diagnosis and repair
- Refrigerant leak detection and recharge
- Capacitor, contactor, and relay replacement
- Mini split error code diagnosis
- Compressor and condenser fan repair
- Annual A/C tune-up available
How We Price HVAC Repair
Hourly Billing, One-Hour Minimum
Service calls are billed by the hour with a one-hour minimum. You pay for the actual time and parts to fix your system, not an inflated flat-rate book price.
No Trip Charges
We do not charge just to show up. Standard business-hours rates apply during the workweek. After-hours and emergency calls have a premium rate that we disclose up front before any work begins.
No Commission, No Upsell
Our technicians are paid to fix your system, not to sell you a new one. They are not on commission. If a repair makes sense, we repair.
Annual Maintenance
Annual maintenance covers a yearly tune-up and includes priority scheduling when something goes wrong. Ask about our Rate Lock program for discounted off-peak tune-up pricing.
Reviews From Southern NH Homeowners
The sales person (Rich) was very personable and knowledgeable. We were provided a range of product options and cost points for a new HVAC system. The work was scheduled and completed on time and at the quoted price. We are very happy with the installation and system...works great...very efficient!
Joe LaPlanteHVAC System customerI expected that a company with a lot of trucks would cost more than a one or two person shop. I was wrong. A.J. LeBlanc Heating had the products I was interested in and at the best price. From the initial call to the completed installation of a new boiler and oil tank, I was impressed with the professional communications and customer service. The installation team was great and you could tell they knew what they were doing and took pride in their work. They were here each day early and happy to answer all my questions and teach me a few things too. I could go on but overall I was very satisfied with the experience and the work they did. Would definitely recommend.
Gary LeverBoiler Installation customerFrom meeting with the salesman, speaking and working with the technicians, and having a rapid follow-up to a minor leak that occurred a couple of weeks after the installation, we have found working with A.J. LeBlanc Heating to be a very positive experience.
Gerry St. AmandHeating Service customerRead more reviews on our testimonials page.
Call for Fast HVAC Service
Call 603-623-0412 or fill out the form. Same business day response for non-emergency calls. Emergency calls prioritized.
Frequently Asked Questions
How quickly can you repair my HVAC system?
For no-heat emergencies in winter, we prioritize response. For non-emergency repairs, we typically schedule within one to two business days.
What HVAC brands do you service?
We service all major brands including Goodman, Rheem, American Standard, LG, Carrier, Trane, Lennox, Navien, Viessmann, Mitsubishi, Daikin, Fujitsu, and all others.
Should I repair or replace my system?
If the repair cost exceeds 50 percent of replacement cost and the system is over 15 years old, replacement is often the better investment. We give you an honest assessment with both options.
Do you offer annual maintenance?
Yes. Annual maintenance provides regular tune-ups and priority scheduling. Ask about our Rate Lock program for discounted off-peak tune-up pricing.
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.