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Boston's Leading Home Services Provider: Heating, Cooling, Plumbing, & Electrical Experts
Today's Offers:
Instant $10K Rebates for ductless mini splits and heat pumps + 0% financing options.
$99 Early Bird AC Tune-Up
$50 Off on AC Repair
20% Off AC Install + 0% Financing for 5 Years
$1,000 Off Generator Install
Exclusive coupons for you
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
© 2025 - N.E.T.R., Inc. All Rights Reserved.
Boston's Leading Home Services Provider: Heating, Cooling, Plumbing, & Electrical Experts
Schedule a Conversation
Do you have problems with heating and cooling? You can always call us at 781-933-6387, or enter your info into the form to schedule a conversation with one of our crew.
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.
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:
New England’s Leading Company
For Residential Heating and Cooling, as Well as Commercial HVAC Systems
Committed to Our Client's Comfort
Home is where you share dinner with your family, play board games in the living room, and snuggle safely in bed at night. When a home is too cold or too hot, it makes the living space unbearable and families can’t engage comfortably in their activities.
Business owners rely on keeping even temperatures in their space to ensure productivity remains high and servers stay cool, preventing the loss of valuable data.
N.E.T.R., Inc. is here to help home and business owners install the best heating and air conditioning systems that fits their needs. Since 1989, we’ve installed heating and air conditioning systems in Boston and its surrounding areas, tackling tough problems that our clients face. Our goal is to ensure our clients have energy efficient, quiet, reliable systems so they can live their lives to the fullest both at home and at work.
Our dedication to our customers’ needs is what drives us each and every day. Our approach to temperature control and comfort has helped us become one of the most respected names in heating, cooling, and refrigeration in New England.
Reviews 1000+
At N.E.T.R., Inc. we’ve done thousands of installations, repairs, and maintenance calls for heating and air conditioning, and we pride ourselves on our quality work and customer service. Below, read a sample of our over 1000 online reviews, or check out our Google, Facebook, and Better Business Bureau reviews and see for yourself.
Schedule an Emergency Service
We will provide you to with installation, repair or maintenance services that you require, all while providing excellent service.
Why Our Clients Use Us
Elite residential and commercial HVAC expertise, led by our highly recognized founder
We are the largest ductless contractor in New England with hundreds of ductless system installations
Highly trained and certified techs that do it right the first time
National speakers/thought leaders on energy efficiency and ductless systems
Reasonable maintenance programs that keep you safe and save money in the long run
We are a Mitsubishi Electric Elite Diamond Contractor
Ask about our customer satisfaction guarantee
Case Studies
Newton
Newton, MA Home Gets Mitsubishi Ductless Mini Split System
Boston
Combined Heating and Cooling System for Boston Brownstone
Somerville
Ductless Heating and Cooling for Basement in Somerville
Somerville
Condo Renovation Gets a Net-Zero HVAC System
Melrose
Mitsubishi Electric Ductless AC Upgrade in Melrose Colonial Home
Melrose
Sunroom in Melrose Gets Mitsubishi Ductless Mini Split
Boston
Two-Family Home Gets Supplemental Heating
Boston
Condo Rentals Needed Supplemental Heating and Cooling
Newton
Ductless AC Gives Newton Colonial Heating and Cooling Relief
Medford
Mitsubishi Ductless Split System for the Craft Room in a Medford, MA, Colonial
Medford
Three Zones of Ductless Heating and Cooling Comfort for a Colonial in Medford, MA
Needham
Ranch in Needham Gets Mitsubishi Ductless Heating and Cooling System
Needham
Ranch-Style Home in Needham Upgrades to Mitsubishi Ductless Mini-Split
What You Should Do Now
Do you have problems with heating and cooling? You can always call us at 781-933-6387, or enter your info into the form to schedule a conversation with one of our crew.
What We Do
EARLY BIRD AC TUNE-UP
$99
Expires 4/30/2025
AC REPAIR
50% OFF
Expires 4/30/2025
GENERATOR INSTALL
$1,000 OFF
Expires 4/30/2025
AC INSTALL + 0% FINANCING 5 YRS
20% OFF
Expires 4/30/2025