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A.J. LeBlanc Heating specializes in the installation and service of heating, air conditioning and plumbing systems for residential homes. Whether you are building a new home, converting your existing heating system to a different fuel, upgrading your old unit to a more efficient system, or just adding air conditioning, LeBlanc Heating can service your needs.

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HVAC Service

LeBlanc Heating services all types of HVAC equipment including boilers, furnaces, hot water tanks and air conditioners. LeBlanc's also services heating and air conditioning related accessories such as humidifiers.

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Now Offering Plumbing

LeBlanc Heating is now offering plumbing services. You can expect the best quality and fair pricing when you call LeBlanc Heating for your plumbing needs.

NH Lic#: 2184

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state and A.O. Smith hybrid heat pump water heater

Hybrid Water Heaters

We now carry state hybrid hot water heaters which utilizes a heat pump to increase efficiency and cut operation costs.

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eco friendly - green heating and cooling equipment

Eco-Friendly HVAC

The symbol to the left marks eco-friendly or efficient appliance, controls or fuel types. Keep an eye out for this logo while you browse he LeBlanc website as it will guide you towards selection of the most energy efficient products.

Smart Thermostat

Nest learns your schedule, programs itself and can be controlled from your phone. Teach it well and Nest can lower your heating and cooling bills up to 20%.

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Air Conditioning

LeBlanc Heating services and installs a variety of air conditioning systems, including condensers and coils from Goodman, Maytag, York and Amana. LeBlanc Heating also carries r22 condensers and has a full supply of r22 refrigerant for homeowners looking for a cheaper alternative to an r410a replacement unit.

Furnaces - Forced Hot Air

We carry a full line of oil, natural gas and LP furnaces. When the time comes to switch your thermostat over to heat make sure you have both a reliable furnace manufacturer as well as installer.

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Boilers - Forced Hot Water

Forced hot water system such as boilers and combination units use hot water to heat your home or conditioned space. The burners which heat the water are fueled by oil, natural gas or LP. The most efficient boiler LeBlanc Heating sells is a natural gas Navien wall hung boiler.

Fujitsu ductless mini split heating and cooling

Mini Split Systems

LeBlanc Heating carries mini split air conditioning systems as alternative a/c system for homes with forced hot water (i.e. boilers). Mini splits provide cost effective and incredibly efficient operation in both heat and cooling modes. That’s right mini split systems can heat and cool your home, drastically reducing your boilers operation thus cutting on annual fuel costs.

Amana - goodman heat pump air conditioner

Heat Pumps

It is time to get an air conditioner that works for you all year round. Heat Pumps can both heat and cool your home. When in heat mode these system provide extremely efficient heat and will drastically decrease your dependency on fossil fuels.

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New Hampshire's Best HVAC , Heating & Cooling Technicians

Respect For Your Home

LeBlanc Heating's service and installation technicians have respect for your home. All of our technicians and sales personnel utilize booties and tarps to protect the surfaces of your home..

LeBlanc Heating and air conditioning recycles

LeBlanc Heating Cares

We recycle all of the rubbish associated with an HVAC installation or service. That means oil, cardboard, metal, Freon, plastics and the occasional coffee cup.

LeBlanc Heating ,HVAC Equipment Warranties

Investment Security

LeBlanc Heating offers a 5 year labor warranty on most of the products it installs. Some products even carry a 15 year parts warranty. In additions to warranties LeBlanc Heating is fully insured to cover all of the work it preforms giving you peace of mind.

Customer Kick Backs

Referrals are our #1 source of business. If you like the services LeBlanc Heating & Air Conditioning provided you we would love a referral to a friend or family member. For each new contract referred to LeBlanc Heating you will receive a gift certificate to T-bones or a T-bones affiliate.

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A.J. LeBlanc Heating & A/C - HVAC Since 1928

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New Hampshire's #1 HVAC Contractor

A.J. LeBlanc Heating and air conditioning 84 years anniversary, celebrating 84 years of family business in NH

A.J. LeBlanc Heating, Air Conditioning & Plumbing is a full service HVAC and plumbing contractor. The LeBlanc family has been installing and servicing residential mechanical equipment since 1928! To this day we live by our original core values of quality installations & customer service. We pride ourselves in quality workmanship which is why "Nobody can quite compare to A.J. LeBlanc Heating & Air!" Call A.J. LeBlanc Heating, Air Conditioning & Plumbing today for a free estimate.

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We Want To Be Your Plumber

Need A Plumber?

If you have a leaky faucet, stubborn drain, clogged toilet, burst pipe or a large-small remodeling job LeBlanc Plumbing can help! For a free estimate call 603-623-0412.

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Central Air Conditioning

eco-friendly or cost efficient appliance

LeBlanc Heating installs and services all central air conditioning systems. We are experts in installation quality and are known for superior duct design. Some of the brands we sell include but are not limited to Goodman, York , Amana, Lennox, Maytag & Fujitsu. Click to learn more about Central A/C.

Furnaces

LeBlanc Heating installs and services oil & gas furnaces. We pride our selves in proper system sizing which helps ensure the homeowner gets the most efficient system possible. Some of the furnace manufacturers we install include but are not limited to Maytag, Lennox, ThermoPride, Thermoflo, York, Goodman & Amana. Click to learn more about Furnaces.

Boilers

LeBlanc Heating installs and services oil & gas boilers and hydronic heating systems the right way! Rather than patching your existing issues and attaching a brand new boiler to them, we analyze the efficiency and modify the existing piping accordingly. This ensures the homeowner gets the most out of their investment. Click to learn more about high efficiency boilers.

Mini Splits

We are the number one Fujitsu installer in NH! We have installed over 350 mini-split systems which are providing customers throughout southern NH with heating and cooling year round. These systems are great for homes with boilers and no existing ductwork! Discover what a mini split can do for your family!

Air Quality

Air quality is extremely important to comfortable living. Humidity levels and air purification play a huge part in quality of life. LeBlanc Heating has numerous products which can help you and your family experience a homier environment. Improve your homes air quality today.

Hot Water

LeBlanc Heating specializes in quick, quality hot water installation. We have a full selection of water heaters, including tankless hot water system, hyrbid systems and traditional hot water tanks. Learn about water heater options.