Experience Superior Comfort & Savings with a Mitsubishi Heat Pump System.
Upgrade to efficient, reliable heating and cooling with Custom Climates’ expert Mitsubishi heat pump installations. Tailored to meet your home’s specific needs.
Tired of Uneven Temperatures and High Energy Bills?
Our Honest, Friendly, and Reliable Technicians are committed to tailoring your Mitsubishi Heat Pump system to keep every room perfectly climate-controlled, while lowering your energy bills.
From the first consultation to ongoing support, we guarantee a seamless, stress-free experience that prioritizes your comfort, and satisfaction.

How Customers Feel About Our Service
Why Install a Mitsubishi Heat Pump in Your Home?
- REnjoy a perfectly climate-controlled home with Mitsubishi heat pumps, ensuring optimal temperatures year-round.
- RRelax without any distractions. Maintain a peaceful home environment with a whisper-quiet heat pump system.
- RLower your energy bills with high-efficiency Mitsubishi heat pumps, designed to provide maximum comfort while minimizing energy use.
- RTrust in the reliability, and long-lasting performance of the durable Mitsubishi heat pumps.
- ROur certified technicians ensure a hassle-free installation process. Start enjoying your new system right away.
- RBenefit from Mitsubishi's industry-leading warranty, offering you peace of mind with comprehensive coverage.
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We are a Full-Service Heating and Cooling Company.
Trusted by New Hampshire Families, Homes, and Businesses
Since 2007.





Why Choose Custom Climates?
Because choosing the right HVAC partner can make a world of difference.

Mitsubishi Elite Diamond Contractor
We are one of Mitsubishi Electric’s Earliest Pioneers. It has been our brand of choice for over a decade! Our Technicians are experts at installing & servicing Mitsubishi mini-split systems.

Your Home Is Your Family’s Sanctuary
Our technicians arrive on time, treat your family and home with the utmost respect, work with professionalism and courtesy, get the job done right, and leave no mess behind.

Licensed, Bonded, And Insured
Our Technicians are vetted and certified by the country’s leading institutions and have the highest level of certification, training, and hands-on expertise.

Long-Term Comfort and Peace of Mind
Purchasing and installing your Mitsubishi Electric products from a Diamond Dealer secures both a full 12-month warranty on labor and Mitsubishi’s industry-leading 12-year Factory Warranty.

We Don’t Believe in Cookie Cutter Solutions
Your home, lifestyle, and budget are unique and require thoughtful consideration. We are committed to designing a Custom installation that is “Just Right” for Your Family’s Comfort.

Rigorously Trained, Expert Technicians
Every Member of Our Staff Goes Through Our Proprietary Training and Vetting Process To Ensure They Meet The Highest Standards of Knowledge, Competence, and Professionalism.

Upfront, Affordable Prices
We believe our customers deserve great service at an honest, fair, and affordable price. Our transparent, flat-rate pricing saves you money and ensures you are never surprised.

Your Go-To HVAC Partners
Our goal is to be there for you for years to come. We aim to be your Go-To HVAC Provider of peace of mind, honest advice, affordable repairs, and exceptional customer service.

Emergency???
We Are Here To Help! Available 24/7.

Heating Services
Regular Maintenance and Emergency Repairs.

Air Conditioning
Stay cool with an efficient AC system that is “Just Right.”
Design and Install a Mitsubishi Heating System that Is “Just Right” For You.
Frequently Asked Questions
What is a Mitsubishi heat pump?
A Mitsubishi heat pump is an energy-efficient system that provides both heating and cooling, using advanced technology to maintain optimal temperatures year-round.
How does a Mitsubishi heat pump work?
It works by transferring heat between the inside and outside of your home, using a refrigerant to efficiently heat or cool your living space.
Are Mitsubishi heat pumps energy-efficient?
Yes, Mitsubishi heat pumps are Energy Star certified, designed to provide maximum comfort while minimizing energy use, resulting in lower utility bills.
Can Mitsubishi heat pumps be used in extreme temperatures?
Yes, Mitsubishi heat pumps are designed to operate efficiently even in extreme temperatures, ensuring reliable performance year-round.
What is the installation process like?
Our certified technicians ensure a hassle-free installation, typically completed within a day, so you can start enjoying your new system right away.
Do Mitsubishi heat pumps come with a warranty?
Yes, they come with Mitsubishi’s industry-leading 12-year Factory Warranty and a full 12-month warranty on labor when installed by a Diamond Dealer like us.
How do I maintain my Mitsubishi heat pump?
Regular maintenance, including cleaning filters and checking the system’s components, is recommended to ensure optimal performance and longevity.
How quiet are Mitsubishi heat pumps?
Mitsubishi heat pumps operate at a whisper-quiet level, ensuring a peaceful home environment without noise disruptions.