Massachusetts Living, Perfected - Professional HVAC, Plumbing, Electrical Services & More

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Your Expert HVAC Contractor for Massachusetts

From the humid summers on the North Shore to the frigid winters in the Merrimack Valley, Massachusetts residents need heating and cooling solutions that are powerful, reliable, and efficient. Since 1989, N.E.T.R., Inc. has been the trusted local expert, providing unparalleled HVAC services to homeowners and businesses across the Commonwealth.

We specialize in high-efficiency Mitsubishi Electric ductless heating and cooling systems, delivering customized comfort that saves you money and enhances your quality of life. As New England’s #1 Mitsubishi Electric ductless installer, we have the expertise to handle any challenge your property presents.

Customized HVAC Solutions for Every Massachusetts Home

The architectural landscape of Massachusetts is beautifully diverse, from historic Colonials and charming Cape Cods in Andover and Boxford to Victorian homes in Salem and modern constructions throughout the state. This variety requires a flexible and expert approach to HVAC. N.E.T.R., Inc. has decades of experience designing and installing systems that preserve your home’s character while delivering modern comfort and efficiency.

Whether you live in a classic Brownstone with no existing ductwork or a sprawling suburban home, we have the right solution for you:

Unmatched Ductless Expertise: As a Mitsubishi Electric Diamond Elite Contractor, our technicians receive the highest level of training. This status allows us to offer an exclusive 12-year warranty on parts and compressors, giving you peace of mind in your investment.
Maximize Your Savings: We are experts in navigating the Mass Save rebate programs and federal tax credits. Homeowners may be eligible for significant savings on a new high-efficiency heat pump system, and we help you handle the paperwork to ensure you get the maximum rebate available.
Local, Trusted Service: With deep roots in Massachusetts, we understand the specific needs and challenges of local homeowners. Our commitment to quality and customer satisfaction is why we’ve been a leading contractor in the region for over three decades.

Our Service Areas

Boston and the Surrounding Area Can Count on NETR

At NETR, we proudly serve North Andover, MA, and the surrounding area 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.

Massachusetts

Proudly Serving Communities Across Massachusetts

N.E.T.R., Inc. is proud to be the local HVAC partner for towns and cities throughout the state. Our service areas include, but are not limited to:

Schedule Your Free Consultation Today

Ready to upgrade your home’s comfort and efficiency? The team at N.E.T.R., Inc. is here to help you find the perfect heating and cooling solution for your Massachusetts home or business. We’ll assess your needs, explain your options, and provide a clear, detailed estimate.

Our Comprehensive Services

We provide a full range of heating, cooling, and commercial refrigeration services to meet the needs of any residential or commercial property.

Ductless Mini-Split Systems: The ideal solution for homes without ductwork, historic properties, home additions, and zoned temperature control. Enjoy whisper-quiet operation and incredible energy efficiency.
Heating Services: From high-efficiency furnaces to boilers and advanced Hyper-Heat heat pumps that work flawlessly in cold climates, we keep your home warm and comfortable all winter. Learn more about our heating services.
Cooling Services: We install and maintain all types of air conditioning systems, ensuring you stay cool and comfortable during Massachusetts’ hottest days. Explore our cooling services for more information.
Commercial HVAC & Refrigeration: We provide robust, reliable HVAC and refrigeration solutions for businesses, from retail stores and offices to restaurants and controlled environments.

Why Massachusetts Homeowners Choose N.E.T.R., Inc.

Massachusetts homeowners face a wide range of weather conditions- from icy winters to humid summers- and N.E.T.R., Inc. delivers reliable comfort solutions built for every season. As New England’s #1 Mitsubishi Electric Diamond Elite Contractor, we combine cutting-edge technology with expert craftsmanship to ensure every system performs at its best.

Energy Efficiency & Rebates: We help homeowners take advantage of valuable incentives, including Mass Save® rebates and federal energy credits, making high-efficiency heating and cooling more affordable than ever.
Expert System Design: Our experienced team designs custom HVAC solutions tailored to your home’s unique layout, comfort needs, and budget.
Trusted Since 1989: With decades of experience serving Massachusetts families and businesses, we’re proud to deliver service built on trust, expertise, and lasting value.

Committed to Comfort, Efficiency, and Reliability

At N.E.T.R., Inc., we know that every Massachusetts home and business has unique comfort needs. That’s why we take a personalized approach to every project-from selecting the right Mitsubishi Electric system- to ensuring precision installation and ongoing support. Our team focuses on delivering long-term efficiency, reliable performance, and consistent comfort year-round.