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!

There are two ways to get rewarded. When your referred friend completes an installation over $6,000 you both will receive a $250 gift card. When your referred friend completes a service job over $225 you will both receive a $50 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.

5 Ways Ductless HVAC Makes Fall More Comfortable

5 Ways Ductless HVAC Makes Fall More Comfortable

Ductless mini splits heat and cool your home. They improve your efficiency, boost your indoor air health, and run very quietly. Enjoy their benefits this ...
Why Choose Ductless Heating and Cooling

Why Choose Ductless Heating and Cooling? (Podcast)

Brett Rogenski, General Manager of N.E.T.R., Inc. talks about the reasons why you may want to choose a ductless heating and cooling system ...
Why Choose a Heat Pump vs. a Traditional Furnace

Why Choose a Heat Pump vs. a Traditional Furnace (Podcast)

Brett Rogenski, General Manager of N.E.T.R., Inc., talks about the reasons for choosing a heat pump to heat your home over a traditional furnace ...
Cost of Ductless vs the Cost of Traditional HVAC

How to Save Money on Ductless Installation

Ductless installation is an investment into your home, and it improves your comfort. Want to save money? Then, check out these budget-friendly tips ...
Whole Home Surge Protection

Whole Home Surge Protection (Video)

Whole home surge protectors protect your appliances from damages when there's a power surge. N.E.T.R., Inc provides surge protectors with new ductless systems ...
How to Choose a Quality Ductless Contractor

How to Choose a Quality Ductless Contractor (Podcast)

Brett Rogenski, General Manager of N.E.T.R., Inc. talks about some of the things you should look for in a ductless contractor ...

Schedule an Emergency Service

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