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NETR Inc  
Best air conditioning contractor in Boston.

Heating and Air Conditioning at the Lexplore Sustainability Fair in Lexington, MA


We're excited to be participating in the Lexplore Sustainability Fair in Lexington this Saturday, October 29th from 10:00 in the morning till 4:00 in the afternoon, where we'll be showcasing Mitsubishi Electric's line of ductless mini-split heat pumps, the greenest heat pumps available for residential use.

These systems are eligible for the highest levels of Mass Save and CEC rebates because of their efficency. Stop by and talk to us about your options. Be sure to click the link below to see more details about the Mass Save rebate program, and scroll down to see some case studies of ductless installations we've done in and around Lexington.

Picture Courtesy of Massachusetts Office of Travel and Tourism

NETR does ductless heating and air conditioning installations in Lexington, MA.

Chip, Paul, Eleni and Russell

Ductless will increase the value of your property by adding the most efficent heating and cooling available today, lowering your energy bill.

Mass Save and CEC rebates can be significant and zero % payment plans are available from trusted sources. Click below for more information about that or fill out the form to have somebody contact you.

Contact N.E.T.R.

Mass Save Heat Loan

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Lexington Post and Beam home - Five Zones of Heating and Cooling


Problem: This post and beam beauty needed air conditioning, and the casement windows were incompatable with window units.

Solution: A five zone ductless heating and cooling system provides year-round comfort in the main living areas and bedrooms for this beautiful home with an efficient Mitsubishi Hyper Heat system.

Click here for the full story.

Lexington Colonial -Five Zones of Heating and Cooling Replaces Window Units


Problem: This colonial style home was depending on six noisy window air conditioners to provide relief from the heat. The homeowners wanted to make sure every room in their home was comfortable, and the window units weren't delivering.

Solution: A five-zone Mitsubishi Hyper Heat system with air conditioning now provides year-round comfort to every room in this home.

Click here for the full story.

Lexington Garrison Colonial - Four Zones of Cooling Replace Window Air Conditioners


Problem: Four unsightly, inefficient, noisy window units were blocking 4 windows, detracting from the home's overall aesthetic and racking up huge electric bills.
Solution: A four zone Mitsubishi ductless split system powered by one outdoor condenser and four wall-mounted heads, also known as cassettes.

Lexington Post & Beam Deckhouse - Four Zones of Cooling Achieves Perfect Comfort


Problem: This post & beam deckhome needed efficient heating and cooling year-round, but the homeowner was still living out of state. The home needed efficient units to ensure comfort through the studio, living areas and bedrooms, and the project needed to be done before the owner moved here from the West Coast.
Solution: A four zone system using both Daikin and Mitsubishi ductless split systems achieved comfort throughout the home.