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Your Air Conditioning Installation & Replacement Company in MA Since 1989

Are you hearing loud noises coming from your air conditioning unit? Is your unit frequently leaking, or do you have high utility costs and frequent power losses? Then it might be time to replace your system.

A modern air conditioning system can save you money and have a positive impact on your comfort.

AC System Installation MA

Our highly trained technicians can maintain your current air conditioning system or install newer energy-efficient air conditioning systems.

We stand by our work 100% and make your comfort and satisfaction our top priority!

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Why Choose N.E.T.R Inc. for Your Air Conditioning Installation, Repair or Maintenance?

  • 24/7 quick-response service
  • 30 years of satisfied customers
  • 5,000 of air conditioning system installations in Massachusetts, Maine and New Hampshire
  • Satisfaction guarantee: If you’re not happy with your air conditioning system, we’re not happy
  • Flexible financing options on air conditioning and heating systems
  • 10 year–12 year warranties on various American Standard products
  • Better air conditioning products mean better savings and reliability

Get a Free Air Conditioning Quote or Set Up an In-Home Consultation

Have questions on what you should do regarding your aging air conditioning system or purchasing a new one?

Set up a free in-home consultation now and one of our knowledgeable HVAC experts will answer all your air conditioning questions, until you feel comfortable deciding if maintaining, upgrading or replacing your air conditioning unit is right for you.

Or, simply request a free quote and see how we stack up.

american-logoN.E.T.R Inc. Can Install and Maintain all American Standard Products

Our expert Massachusetts-based air conditioning installation technicians install and service all high-efficiency cooling systems from American Standard.

Benefits of Central Air Conditioning

  • Comfort control
  • Programmable thermostats
  • Peace & quiet
  • Better warranties
  • Increased home value

Servicing air conditioning Systems throughout Eastern Massachusetts, Southern New Hampshire, and Southern Maine.

If you need maintenance on your air conditioning system, we are ready to help. Our certified air conditioning repair technicians handle everything from simple part replacements to major repairs.

Tired of high air conditioning costs?

Contact Us

Our business hours are 8:00 a.m. - 5:00 p.m. Monday – Friday

For emergencies any day and any time, call 781-933-6387.



85 Flagship Drive, North Andover MA 01845




Satisfied Customers Just Like You

We recently installed a ductless air conditioning units in my house. Brian B. and Ivan B. were great! They came promptly, worked real professionally and cleaned up afterwards too! I loved their work!


By Dongeun Lee on 08/20/19

Ray was very pleasant and knowledgeable. He did a great job cleaning our air conditioning unit. Highly recommend him.


By Diane Correale on 08/12/19

When I was on the phone with Kris regarding an issue with my air conditioner he took his time to explain it all but most of all the way he did very soothing with out been negative ( I am a business owner but kris did not know that ) I am all about costumer service , I give him a 10 he really impressed me hoping his owner appreciation Kris


By Maria Pintone on 08/03/19




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