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.

Ductless Ceiling Cassette Installation

Ductless Ceiling Cassette Installation (Podcast)

Look at the process of installing a ductless ceiling cassette. Learn what happens before, during, and after installation. Get ready to enjoy ductless heating and ...
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What to Know Before Putting a Ductless Mini Split on the Wall

What to Know Before Putting a Ductless Mini Split on the Wall

Here's what to know when putting a ductless mini split on the wall & how N.E.T.R., Inc. can help you get reliable heating & cooling ...
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Wall Mounted Heat Pump

What Is a Wall-Mounted Heat Pump?

Learn about wall-mounted heat pumps & their benefits. Find out how N.E.T.R., Inc. can help you get efficient & cost-effective heating in New England ...
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Ductless Ceiling Cassette Costs (Podcasts)

Ductless Ceiling Cassette Costs (Podcasts)

Look at the factors that affect the cost of buying and installing ductless ceiling cassettes. Compare the cost of ceiling cassettes vs wall mounted mini ...
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Cost Savings to Switch from Oil, Gas, or Electric to a Heat Pump System

Cost Savings to Switch from Oil, Gas, or Electric to a Heat Pump System

Mike Cappuccio, founder of N.E.T.R. Inc., walks you through the Mass Save Cost Calculator in order to show the value of installing a heat pump ...
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Ductless AC

Can Ductless AC Help Me Sleep?

Learn how ductless AC can contribute to a healthy sleep routine. Contact N.E.T.R., Inc. for more information about home cooling ...
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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.