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.

Pre-Winter Heating System Tune-Ups

Pre-Winter Heating System Tune-Ups (Video)

Brett Rogenski of N.E.T.R., Inc. talks about getting your heating system inspected and maintained before the winter months ...
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Cold Climate Heat Pumps: Current State and Future (Podcast with Dana Fischer of Mitsubishi Electric)

Cold Climate Heat Pumps: Current State and Future (Podcast with Dana Fischer of Mitsubishi Electric)

We speak with Dana Fischer of Mitsubishi Electric about the current state and future of heat pumps and ductless heating and cooling in the US ...
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Maintaining Cold Climate Heat Pumps

Maintaining Cold Climate Heat Pumps (Video)

Brett Rogenski of N.E.T.R., Inc. talks about how to maintain cold climate heat pumps, and why getting maintenance done twice a year is important ...
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Inflation Reduction Act – What We Know So Far

Inflation Reduction Act – What We Know So Far (Video)

Brett Rogenski of N.E.T.R., Inc. talks about what we know so far about the Inflation Reduction Act, and what it means for air source heat ...
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Benefits of HVAC Membership Plans

Benefits of HVAC Membership Plans (Video)

Brett Rogenski of N.E.T.R., Inc. talks about the benefits of getting a membership plan with your HVAC contractor ...
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Why Choose a Mitsubishi Wall-Mounted Ductless Unit

Why Choose a Mitsubishi Wall-Mounted Ductless Unit

Why should you choose a Mitsubishi wall-mounted ductless unit over other types of ductless ACs & even central HVAC or window ACs? The answer may ...
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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.