Spread Comfort & Joy This Holiday
Nominate a Keene, NH homeowner whose heart warms our community to receive a single zone Mitsubishi Electric Heating & Air Conditioning system
40°F
- Temperature
- Precipitation
- Rain Chance
- Wind
- Humidity
- Pressure
40°F
YOUR COMFORT IS OUR PRIORITY!
Please fill out the form and
we will contact you shortly.
Our High-Efficiency HVAC
Services in New Hampshire
- Load Calculation: Accurate assessments to ensure proper system sizing for optimal performance.
- Strategic Placement: Expert placement for even temperature distribution and minimal air stratification.
- Quality Installation: Precise indoor and outdoor unit installation for seamless operation.
- Regular Maintenance: Routine plans to maintain system efficiency and prolong lifespan.
- Solar Power Design: Custom systems tailored to your energy needs for maximum efficiency.
- Solar Power Installation: Complete installation, ensuring optimal panel performance and savings.
- Solar Battery Backup: Store energy for cloudy days and outages, boosting independence.
- Solar-Powered Mini-Split Integration: Use solar energy for your HVAC system, reducing utility bills.
- Ventilation Solutions: Effective systems for clean air circulation and pollutant removal.
- iWave Air Purification: Ion technology for pathogen, virus, smoke, and odor reduction.
- Advanced Filtration: Superior filters to eliminate allergens, dust, pet dander, and mold.
- Humidity Control: Regulate moisture to help protect your home.
- Minotair Pentacare-V12 System: Advanced air purification integrated with your HVAC system for cleaner air.
Residential HVAC Services in NH
Commercial HVAC Services in NH
Industrial HVAC Services in NH
Residential HVAC Services in NH
Commercial HVAC Services in NH
Industrial HVAC Services in NH
Heating Solutions in
New Hampshire
For over 50 years, Bergeron Mechanical Systems has specialized in HVAC systems and New Hampshire heating services, ensuring homes stay warm through New England winters.
Our services include:
- Mini-split installation, replacement, and maintenance.
- Gas furnace installation, replacement, and maintenance.
- Commercial and Industrial package rooftop equipment replacement and repairs.
Air Conditioning Solutions in New Hampshire
Stay cool during humid summers with our expert cooling New Hampshire services. As a Mitsubishi Electric Diamond Elite Contractor, we offer top-tier air conditioning solutions with a 12-year parts and labor warranty. Our services include:
Our services include:
- AC Installation and replacement
- AC Repair and maintenance
- Commercial and Industrial package rooftop equipment replacement and repairs.
Explore The
Comfort Zone 
The Monadnock Region’s First and Only Mitsubishi Electric Ductless HVAC Showroom!
Why the NH Community Has Trusted Us for Over 50 Years
Family-Owned and
Operated
As a family-run business, we’re committed to giving each project and customer the personal care and attention they deserve.
Certified
Experts
As a Mitsubishi Electric Diamond Elite Contractor, we offer top-tier ductless mini-split systems with the added peace of mind of a 12-year parts and labor warranty.
Fully Interactive Showroom
Our “Comfort Zone” showroom lets you experience Mitsubishi Electric’s ductless systems up close before deciding.
Customer Satisfaction
Comes First
With over 300+ five-star reviews, it’s clear that we go the extra mile to make sure our customers are happy.
Full Range of HVAC
Services
From installations to repairs and maintenance, we offer everything you need to keep your heating, cooling, and air quality systems in shape.
Going
Green
We’re passionate about sustainability and do our part by participating in environmentally-friendly initiatives.
Commitment to Excellence
Bergeron Mechanical Systems is committed to excellence in workmanship and customer service through our four core principles:
Safety
The health and safety of our team members and our customers is always our top priority.
Quality
Our team members are expected to perform at the highest level, using only the best quality materials available.
Delivery
We take fulfilling our mission and commitment to our customers very seriously. We are not satisfied unless you are.
Price
We charge what is required to provide high quality products and workmanship, while being a sustainable, growing business and responsible employer.
Brands & Partnerships
HVAC Tax Incentives & Fuel Costs
If you’re considering upgrading your HVAC system in New Hampshire or Vermont, your Bergeron Mechanical Systems Design Consultant can show you the HVAC rebate and incentive programs available in your area.
We work with high-efficiency Mitsubishi Electric systems that help clients take advantage of available federal tax credits through the Inflation Reduction Act (IRA), along with programs like NHSaves.
Whether for residential or commercial projects, our team provides you with access to help you maximize incentives while upgrading your comfort. Some incentives expire at the end of 2025.
| System Type | Estimated Annual Cost | Efficiency Level (*) |
| Oil Furnace | $2,713 per year¹ | Low – typically 80–85% efficient |
| Propane Heating | $2,164 per year² | Moderate – ranges from 70–95% depending on system age and maintenance |
| Modern Electric HVAC (Heat Pump) | ≈ $1,480 per year³ | High – up to 300% efficiency (COP 2.5–3.5) |
(*) Source: U.S. Energy Information Administration (EIA)
free initial
consultation
We work with you to determine the most efficient design to meet your comfort needs at a cost that represents a value to you.
Your design consultation is obligation-free and costs you nothing except an hour or so of your time. You’ll have a complete installation proposal, with no hidden costs, in hand before we leave.
Some exclusions may apply. Call for more details.
Saving You Money & the Environment:
Why Choose High-Efficiency
HVAC Systems
1
Energy
Savings
Air-source heat pumps can reduce energy use by up to 30% since they move heat instead of generating it. (Source: U.S. Department of Energy).
2
Lower Carbon
Emissions
Heat pumps cut carbon emissions by at least 20% compared to gas boilers. (Source: International Energy Agency)
3
Better Indoor
Comfort
High-efficiency systems improve temperature control and air quality, maintaining comfort even in colder climates.
4
Financial
Incentives
Homeowners in New Hampshire can qualify for rebates and incentives through programs like the Inflation Reduction Act (IRA) and ENERGY STAR®.
The Impact of Choosing a Quality HVAC Contractor in New Hampshire
Did you know that 90% of HVAC units are installed incorrectly, wasting energy and making your home less comfortable?
That’s why choosing the right contractor matters! We’re part of the 10% that gets it right every time. When you go with a professional, your HVAC in New Hampshire will be properly installed and running at its best to save you money and keep your home comfy all year.
Areas We Serve
YOUR COMFORT IS OUR PRIORITY!
Please fill out the form and
we will contact you shortly.
Free Resources for New Hampshire Home and Business Owners
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Benefits of Installing a Heat Pump: 2025 Homeowner Guide
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4 Top-Rated Residential HVAC Systems for Energy Efficiency and Comfort (2025)
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