Total Comfort for Every New Hampshire Home - Professional HVAC, Plumbing, Electrical & Drain Services

We Come to Your Home

Our expert technicians arrive promptly.

Satisfaction Guaranteed

We stand behind our work with a 100% satisfaction guarantee.

Same Day Service

For urgent needs, call before noon, and we’ll aim to be there today.

Proudly Delivering Comfort Throughout New Hampshire

For homeowners and businesses in Southern New Hampshire, navigating the state’s demanding climate – from humid summers to famously cold winters – requires a robust and reliable HVAC system. N.E.T.R., Inc. is the trusted local expert dedicated to providing high-efficiency heating and cooling solutions tailored to the unique needs of New Hampshire properties.

As New England’s #1 Mitsubishi Electric ductless installer, we specialize in delivering unparalleled comfort, significant energy savings, and best-in-class service to our Granite State customers.

The N.E.T.R., Inc. Difference: Expertise You Can Trust

Since 1989, N.E.T.R., Inc. has been the region’s leader in HVAC solutions. Our commitment to quality and customer satisfaction has earned us the elite status of Mitsubishi Diamond Elite Contractor. This isn’t just a title; it’s your assurance of superior expertise and an exclusive 12-year warranty on parts and compressors—a benefit you won’t get anywhere else.

We understand that investing in your home’s comfort is a major decision. Our factory-trained technicians provide meticulous installations and transparent advice, ensuring your system delivers optimal performance and longevity.

Our Service Areas

New Hampshire Can Count on NETR

At NETR, we proudly serve New Hampshire with fast, reliable, and affordable home services. As local experts, our experienced technicians have the tools and knowledge to handle most issues on the spot. We are committed to excellence and ready to help.

New Hampshire

Proudly Serving Communities Across Southern New Hampshire

Our certified HVAC technicians live and work in the communities they serve. We are proud to provide expert installation, maintenance, and repair services to homes and businesses in the following New Hampshire towns:

Experience Total Comfort.

Book your appointment now and let N.E.T.R., Inc. design a high-efficiency system that keeps your New Hampshire property comfortable — no matter the season.

Comprehensive HVAC Services for New Hampshire Residents

Whether you’re upgrading an older home in Portsmouth or designing a system for a new build in Bedford, we offer a full suite of services to meet your needs.

Ductless Mini-Split Systems: As our specialty, we design and install state-of-the-art Mitsubishi Electric ductless heat pumps and air conditioners. These systems are the perfect solution for homes without existing ductwork, offering zoned comfort and exceptional energy efficiency.
Heating Services: From high-efficiency furnaces to reliable boilers and advanced cold-climate heat pumps, we keep your home warm and your energy bills low. Learn more about our heating solutions.
Cooling Services: Stay cool all summer with our expert air conditioning installation and repair services. We offer everything from central AC to versatile ductless options. Explore our cooling services.
HVAC Maintenance & Repair: Regular tune-ups are key to system longevity and efficiency. Our certified technicians service all major brands, ensuring your system runs smoothly when you need it most.
Commercial HVAC: We provide customized HVAC and refrigeration solutions for New Hampshire businesses, creating comfortable environments for employees and customers alike.

Maximize Your Savings with NHSaves Rebates

Upgrading to an energy-efficient system is more affordable than ever. The NHSaves program, supported by New Hampshire’s utility companies, offers substantial rebates for installing high-efficiency equipment like air source heat pumps. These incentives can significantly lower your upfront investment, and our team are experts at navigating the process to ensure you maximize your savings.

At N.E.T.R., Inc., we make it simple to take advantage of NHSaves rebates and upgrade to a high-efficiency HVAC system. Our team will handle the paperwork, help you choose the right qualifying equipment, and ensure your installation meets all program requirements. With expert guidance and top-rated Mitsubishi Electric systems, you’ll enjoy reliable comfort, lower energy bills, and long-term savings for your New Hampshire home or business.

Ready for Unmatched Comfort and Efficiency?

Don’t let another season of unpredictable weather compromise your comfort. Trust the experts at N.E.T.R., Inc. to design a heating and cooling system that’s perfect for your New Hampshire home or business.

Schedule a Consultation Online or call us today to get a precise quote from our friendly and knowledgeable team. Experience the difference of working with New England’s ductless leaders.