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.

Generac Generators: Benefits and Costs (Podcast)

Generac Generators: Benefits and Costs (Podcast)

Homeowners use generators for heat, remote work, and to power healthcare devices during outages. Look at costs and installation processes for Generac generators ...
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Generac Generators Products and Pricing (Podcast)

Generac Generators Products and Pricing (Podcast)

Look at different types of styles and capacities for Generac generators. Learn how to keep your home running and the heat on, even during power ...
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How to Navigate Heating Problems In Old Apartment Complexes

How to Navigate Heating Problems In Old Apartment Complexes

Learn about common heating problems in old apartments in Massachusetts & how ductless HVAC can be a great solution ...
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Can I Put a Heater On My Wall?

Can I Put a Heater On My Wall?

Learn about different types of heaters and compare them to ductless wall-mounted heat pumps. Contact N.E.T.R., Inc. today for more info ...
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What Factors Affect the Cost of Mini Split Installation?

What Factors Affect the Cost of Mini Split Installation?

The cost of mini split installation varies based on your location, the type of equipment you select, installation challenges, and the HVAC company you hire ...
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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.