What We Do

We are New England’s leading HVAC contractor for Residential Heating and Cooling and Commercial HVAC systems.

Residential

Find out how Mitsubishi Electric ductless can transform your living space.

Install
Heating
Cooling
Ductless
Traditional

Commercial

Learn how ductless can keep any commercial space comfortable.

Install
Refrigeration
Heating
Cooling

Where We Do It

From Tudors to Colonials to split-level homes and more, we’ve installed ductless HVAC systems in all types of single-family homes, condos, brownstones and apartments in and around the Boston area.

Hear From Our Satisfied Customers:

Featured Services

We are the largest ductless contractor in New England with hundreds of ductless system installations.

N.E.T.R. Inc., in-house staff of certified HVAC/R technicians can install, service and repair your commercial refrigeration systems.

Maintenance Programs

Our highly trained HVAC technicians can maintain, tune up and/or repair your current system, so you can stay warm in the winter and cool in the summer. No sweat, No stress. An HVAC preventative maintenance ensures healthier air, fewer emergencies and a long-lasting system.

HVAC Insights

Explore our Heating and Cooling articles. Make sure to come back soon for more resources as you learn the best ways to heat and cool your home.

Furnace Problems

How Much Does a Furnace Cost?

A new furnace can cost anywhere from $2,000 to $10,000 or more. The cost depends on the type of furnace and its features. Check out ...
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How Does a Mini Split Ceiling Cassette Work?

How Does a Mini Split Ceiling Cassette Work?

Mini-split ceiling cassettes use heat pump technology to heat and cool your home. They discreetly and efficiently improve comfort in your home. Learn more about ...
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5 Energy-Saving Features of Mitsubishi Ceiling Cassettes

5 Energy-Saving Features of Mitsubishi Ceiling Cassettes

Ceiling-mounted mini splits provide energy-efficient heating and cooling to your home. Features include zone thermostats, no ductwork, multi-vane airflow, and more ...
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10 Factors That Affect the Cost of a Mini Split With a Ceiling Cassette

10 Factors That Affect the Cost of a Mini Split With a Ceiling Cassette

Number of zones, equipment features, and installation challenges impact the cost of a mini split with a ceiling cassette. A NETR consultant can customize a ...
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9 Facts About Mitsubishi Hyper Heat

9 Facts About Mitsubishi Hyper Heat

Mitsubishi hyper heat ductless systems and LG cold climate heat pumps can efficiently heat your home in sub-zero temperatures. Check out facts about hyper heat ...
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7 Benefits of a Mini Split With Ceiling Cassette

7 Benefits of a Mini Split With Ceiling Cassette

Discover even more ductless HVAC myths you might not have known about -- our customers didn't! Contact N.E.T.R., Inc. for more info at (781) 933-6387 ...
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Schedule an Emergency Service

We will provide you to with installation, repair or maintenance services that you require, all while providing excellent service.