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.

60+ Supercharged Facts About Electricity to Amp You Up

60+ Supercharged Facts About Electricity to Amp You Up

Think you know who discovered static electricity? Or how fast electricity travels? Test your knowledge with these X+ fun facts about electricity & find out ...
2024 Tax Credits for Heat Pumps

2024 Tax Credits for Heat Pumps

If you install a heat pump between Jan 1, 2023, and Dec 31, 2032, you can earn valuable tax credits. Learn how to claim credits ...
Commercial HVAC

5 Reasons Air Source Heat Pumps Are the Most Energy-Efficient HVAC Option

If you’re looking for energy-efficient, eco-friendly HVAC options, consider an air source heat pump. Learn why they're the most efficient option now ...
5 Mistakes to Avoid When Switching to Electric Heating/Cooling

5 Mistakes to Avoid When Switching to Electric Heating/Cooling

Switching your home to electric heating and cooling? Improve the lifespan of your equipment and your home's efficiency by avoiding these common mistakes ...
5 Benefits of Inverter-Driven Mini Splits

5 Benefits of Inverter-Driven Mini Splits

Inverter technology allows mini splits to run quietly and efficiently. Inverters also help to optimize comfort by keeping your home at a consistent temperature ...
How Do Air Source Heat Pumps Work?

How Do Air Source Heat Pumps Work?

Air source heat pumps move heat rather than generate it. They also use inverter technology, variable speed fans, and other features to boost efficiency ...

Schedule an Emergency Service

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