Central Air Conditioning
Installation in Southern NH
A.J. LeBlanc Heating installs and replaces central air conditioners throughout Southern NH. Family-owned since 1928. Every system is properly sized using Manual J load calculations, cleanly installed, and backed by our workmanship warranty.
Central Air Conditioner Installation & Replacement
A properly installed central air conditioner keeps your whole home comfortable through NH summers without the noise, cost, and inefficiency of window units. A.J. LeBlanc Heating installs and replaces central A/C systems throughout Southern NH. Every install is right-sized using Manual J load calculations, with all electrical, refrigerant, and permit work included.
- Central A/C installation and replacement
- Amana, Goodman, Carrier, American Standard, Trane, Lennox, Rheem, York, Maytag, and Bosch
- Manual J load calculation sizing
- All electrical, refrigerant, and permit work included
- Workmanship warranty on every install
- NHSaves rebates of $70/ton available
Whole-Home Comfort with Your Existing Heating
Central air conditioning works with your existing furnace ductwork and blower to deliver conditioned air throughout the home. If you have a forced-air furnace, adding central A/C is typically the most cost-effective way to cool your whole home without any visible equipment changes. We tie the new A/C into the existing duct system, add the refrigerant line set, and wire the controls to your thermostat.
- Works with your existing furnace and ductwork
- Single thermostat controls both heating and cooling
- Quieter and more efficient than window units
- Adds value to your home
- Most installs completed in one day
Recent Central A/C Installations
Central A/C Brands We Install & Service
Amana
Heating and cooling systems that last and last. Amana units come with some of the strongest limited lifetime warranties in the industry.
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Goodman
Made-in-USA furnaces and HVAC systems offering solid reliability at an accessible price point. A popular choice for furnace replacement across Southern NH.
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Carrier
The brand built by the inventor of modern air conditioning. Carrier furnaces, air conditioners, heat pumps, and ductless mini splits are recognized for engineering quality and long service life.
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American Standard
Dependable furnaces, heat pumps, and air conditioners known for quiet operation and lasting performance. A trusted brand for long-term comfort.
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Trane
High-performance HVAC systems built to handle extreme conditions. Trane furnaces, heat pumps, and air conditioners deliver consistent comfort and long-term reliability.
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Lennox
A longtime Lennox dealer offering their full lineup of furnaces, air conditioners, and heat pumps.
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Rheem
Complete heating, cooling, and water heating under one brand. Rheem furnaces, air conditioners, heat pumps, and water heaters all from a single trusted source.
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York
Energy-efficient air conditioners, heat pumps, furnaces, and air handlers from a brand backed by Johnson Controls.
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Maytag
Dependable, energy-efficient heat pumps, air conditioners, and furnaces backed by a 12-year limited warranty. A trusted name in home comfort.
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BoschPlatinum Dealer
Bosch IDS systems are among the quietest on the market and engineered specifically for cold climates. A strong performer at a competitive price point. As a Bosch Platinum Dealer we provide factory-trained installation and extended warranty coverage.
Learn moreCentral A/C FAQ
How much does central A/C installation cost in NH?
A central air conditioner installation in Southern NH typically runs $4,500 to $11,800 depending on the size of your home, the efficiency rating of the equipment, and whether any ductwork modifications are needed. We provide free written estimates upfront.
How long does installation take?
Most central A/C installations are completed in one day. We install the outdoor condenser, connect it to your existing air handler or furnace, run refrigerant lines, and test the system before we leave.
Are there rebates for central A/C?
NHSaves offers a $70/ton rebate for qualifying ENERGY STAR certified central air conditioners. We are a registered NHSaves contractor and handle all rebate paperwork.
My house has no ductwork, can I still get central A/C?
If you do not have existing ductwork, a ductless mini split system is often the better solution. We install both and can walk you through the options. See our mini split page.
Southern NH Communities We Serve
Free estimates and prompt service across Southern New Hampshire. Find your town for local details, or call 603-623-0412.
Services in Southern NH's Largest Cities
Manchester
Nashua
Get a Free A/C Installation Estimate
A.J. LeBlanc Heating assesses your home, right-sizes the system, identifies every available rebate, and puts a written quote on paper before any work begins.
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Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
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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.