Air Conditioning &
Mini Split Installation
A.J. LeBlanc Heating installs central A/C, ductless mini splits, and cold-climate heat pumps across Southern NH. Family-owned since 1928. Every system is sized using Manual J load calculations, and NHSaves rebates are processed on your behalf.
Central A/C, Mini Splits & Heat Pumps
in Southern New Hampshire
From whole-home central air to room-by-room mini splits and energy-efficient heat pumps, A.J. LeBlanc Heating has installed thousands of cooling systems for Southern NH homeowners since 1928. Every installation is sized correctly using Manual J load calculations and backed by our workmanship guarantee.
Ductless Mini Splits
A.J. LeBlanc Heating, in business since 1928, has installed thousands of ductless systems across Southern NH. We install single-zone and multi-zone systems from Mitsubishi, Daikin, Bosch, LG, and Fujitsu. Mini splits are a proven choice for boiler homes with no existing ductwork.
Mini Split ServicesCentral Air Conditioning
We install whole-home central A/C properly sized for Southern NH summers. A.J. LeBlanc Heating installs, replaces, and services all major brands, and annual tune-up plans are available to extend system life.
Central A/C ServicesHeat Pumps
A heat pump is one system for both heating and cooling. Cold-climate models work down to -13°F across Southern NH. NHSaves rebates are available based on system size and type, and we handle the rebate paperwork for you.
Heat Pump Services
Ductless Mini Split Installation in Southern NH
A.J. LeBlanc Heating, in business since 1928, has installed thousands of ductless systems across Southern NH. Mini splits are ideal for homes with oil boilers and no ductwork. They add both heating and cooling without requiring major renovations. Customers regularly report fuel savings of 30 to 45 percent after switching. We provide free written estimates with everything included upfront.
- Single-Zone & Multi-Zone Systems
- Wall, Floor Console & Ceiling Cassette Options
- Hyper-Heat Cold-Climate Models (-13°F operation)
- Concealed Ducted Mini Split Systems
- Annual Mini Split Service & Tune-Up
- Mini Split Repair for All Brands
Cold-Climate Heat Pumps Built for NH Winters
Modern heat pumps from Bosch, Mitsubishi, and Daikin operate efficiently down to -13°F. They can serve as a standalone heating and cooling system, or pair with your existing furnace or boiler as a hybrid setup. NHSaves rebates are available based on system size and type, and we handle the paperwork for every qualifying install.
- Air-Source Heat Pump Installation
- Cold-Climate / Hyper-Heat Models
- Ducted & Ductless Configurations
- Hybrid Heat Pump + Furnace or Boiler
- NHSaves Rebates available based on system size and type
Central Air Conditioning Installation & Service
For homes with existing ductwork, central air provides whole-home cooling from a single outdoor unit. We size every system using Manual J load calculations, install cleanly with all permits pulled, and offer annual tune-ups to keep systems running at peak efficiency. Free written estimates with everything included upfront.
- Central A/C Installation & Replacement
- Manual J Load Calculation Sizing
- Annual A/C Tune-Up & Maintenance
- A/C Repair & Emergency Service
- Ecobee & Smart Thermostat Installation
- Indoor Air Quality Upgrades
How Mini Split Installation Works
Free In-Home Assessment
We measure each room, assess your existing setup, and design a system sized for your home, not a generic estimate over the phone.
Written Estimate & Rebate Review
Our written quote covers equipment, all labor, electrical work, permits, and our workmanship warranty. We also identify every NHSaves rebate you qualify for before you decide.
Clean Install & Rebate Filing
Most mini split installs are completed in one day. We test every zone, walk you through the system, and file all rebate paperwork on your behalf.
Mini Split & Heat Pump Installations
Rebates That Make Heat Pumps Affordable
Southern NH homeowners can stack NHSaves utility rebates with the New England Heat Pump Accelerator on qualifying cold-climate systems. A.J. LeBlanc Heating identifies every dollar you qualify for and handles all the paperwork, so you just enjoy the savings.
- NHSaves rebates based on system size and type for qualifying heat pumps
- Eversource, Unitil & Liberty utility rebates
- We complete all rebate applications on your behalf
A/C & Heat Pump 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.
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DaikinComfort Pro
The world's number one air conditioning company. Daikin's cold-climate lineup includes wall-mounted, floor-mounted, and ducted systems with excellent multi-zone options. As a Daikin Comfort Pro dealer we provide factory-trained installation and extended warranty coverage.
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MitsubishiDiamond Dealer
The Hyper-Heat line operates down to -13°F and is our most-installed brand. As a Diamond Dealer we provide factory-trained installation and extended warranty coverage.
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LGPro Dealer Platinum
LG's Art Cool and LGRED heat pump series offer cold-climate performance with slim, low-profile indoor units. A strong choice for efficiency and clean aesthetics. As an LG Pro Dealer Platinum we provide factory-trained installation and extended warranty coverage.
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Fujitsu
Fujitsu's Halcyon series is a reliable, proven option with strong cold-climate ratings. Popular for additions and single-zone applications throughout our service area.
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Custom Comfort
Value-focused mini splits and heat pumps that blend performance, comfort, and affordability, installed and serviced by our factory-trained technicians.
Learn moreAir Conditioning & Mini Split FAQ
How much does mini split installation cost in New Hampshire?
A single-zone ductless mini split installation in Southern NH starts around $4,000 installed. That price covers the equipment, all electrical work, permits, and our workmanship warranty. Multi-zone systems with 2 or 3 indoor units typically run $7,500 to $26,500+ depending on the number of zones and complexity. NHSaves utility rebates and the New England Heat Pump Accelerator can reduce those costs for qualifying systems. We provide free written estimates with everything included upfront.
How much does central air conditioning installation cost in NH?
Central A/C installation in Southern NH starts around $4,500 installed for a standard system. That includes the equipment, all labor, electrical work, permits, and our workmanship warranty. Higher-efficiency units or systems requiring ductwork modifications will cost more. We provide free written estimates with everything included upfront.
What's the difference between a mini split and central air conditioning?
Central A/C uses ductwork to cool your entire home from one system. A ductless mini split uses individual wall units to cool specific zones, with no ductwork required. That makes mini splits ideal for Southern NH homes with boilers, additions, or any space where running ducts isn't practical. Mini splits also provide heat, which makes them a year-round comfort solution.
Are there rebates for mini splits or heat pumps in NH?
Yes, and they're significant. NH utility companies offer NHSaves rebates based on system size and type for qualifying heat pump systems. We identify every incentive you qualify for during your free estimate and handle all paperwork on your behalf.
Can a mini split heat my home through a New Hampshire winter?
Yes. Cold-climate heat pumps from Mitsubishi, Daikin, and Bosch operate efficiently down to -13°F, which is well below any NH winter temperature. Many Southern NH homeowners use them as the primary heating system, or pair them with an existing furnace or boiler as a hybrid system for backup comfort during extreme cold.
How long does mini split installation take?
Most mini split installations (1 outdoor unit, 1-3 indoor zones) are completed in one day. Multi-zone systems with 4-5 indoor units may take two days. We give you a clear timeline in your written estimate before any work begins.
Do you service mini splits you didn't install?
Yes. We service all major mini split brands, including Mitsubishi, Daikin, Fujitsu, LG, and Bosch, whether we installed them or not. Call 603-623-0412 to schedule service or repair.
Why does A.J. LeBlanc Heating have so much mini split experience?
Southern NH has a large stock of older homes heated by oil boilers with no ductwork, and that is exactly where mini splits make the most sense. A.J. LeBlanc Heating, in business since 1928, has installed thousands of mini splits across Southern NH, and our reputation has grown through customer referrals. We are also a Mitsubishi Diamond Dealer, Bosch Platinum Dealer, Daikin Comfort Pro, and LG Pro Dealer Platinum, with factory-certified training and access to the full product line with extended warranties.
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
Mini Split & A/C Reviews
"Very happy with their service, I had split A/C put in my home, the installation was done in a timely manner. Everyone from the technicians to office staff were very pleasant and knowledgeable. Thank you, A.J. LeBlanc Heating."
"We had a new whole house a/c installed. The technicians were very competent and had the unit working for that evening of the first day of the two-day installation process. That made my wife extremely happy so that made me very happy as well. We are very pleased with the service and the installation."
"Excellent techs polite, friendly and everything was cleaned at the end of each day. Air conditioning is working great can't wait to see how they do at the start of the heating season."
Get in Touch
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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.