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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:

Receive Up to $250 When You
Refer a Friend!

When your referred friend completes an installation over $10,000 you both will receive a $250 gift card.

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.

How to Choose the Right HVAC Filter for Your System

How to Choose the Right HVAC Filter for Your System

Not sure which HVAC filter to choose? We've got your guide on selecting the right one based on your system's specs, your air quality goals ...
How to Prepare for Your Furnace Installation Service

How to Prepare for Your Furnace Installation Service

Prepare ahead of time for your furnace installation service with these helpful tips from the Boston heating professionals at N.E.T.R., Inc ...
How to Buy a Furnace for Your Space 

How to Buy a Furnace for Your Space 

Ready to buy a furnace? Learn how to choose the right one for your space based on size, efficiency, budget & heating needs with the ...
Should I Repair or Replace My Furnace?

Should I Repair or Replace My Furnace?

Not sure whether to repair or replace your furnace? Find out when repair is enough and when it's smarter to invest in a new system ...
Troubleshooting Electric Furnace Problems

Troubleshooting Electric Furnace Problems

Learn how to troubleshoot common electric furnace problems like uneven heating, poor performance, high energy bills, and more with N.E.T.R., Inc ...
Electric Furnace Installation Pros and Cons

Electric Furnace Installation Pros and Cons

Explore the pros and cons of electric furnace installation and see how it compares to other systems in terms of cost, efficiency, maintenance, and more ...

Schedule an Emergency Service

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