Fast Action Service!

Since 1962, we've offered professional heating and cooling installation throughout all of Northwest Indiana.

Fast Action Service!

Since 1962, we've offered professional heating installation throughout all of Northwest Indiana.

We’re Your Hometown Heating and Cooling Experts

As a family owned and operated business, Gray’s Total Green Energy Solutions, LLC, is Northwestern Indiana and the Chicago Metro’s premier Green Energy HVAC service provider. The heart and spirit of our company is all about doing the job right. But it’s so much more than just the quality of our workmanship. It’s about the comfort, health, and safety of your family. To that end we deliver peace of mind by virtue of everything we do to make the environment of your home as comfortable and healthy as it can possibly be.

Grays Team Spring 2020.
Lynn-Arrow

Here’s Lynn, stopping at nothing to make sure your heating and cooling system is in working order!

“We truly value your business and believe it should be earned the old fashioned way. We’ll be there when you need us for all your heating and cooling needs, charge you a fair and honest price and stand behind our work.”
-Lynn Gray, President

A Letter From the Owner...


My name is Lynn Gray and I am the president of Gray’s Total Green Heating and Cooling, LLC. My Dad had a HVAC business as I was growing up. I remember being in high school and going out on jobs with him as he was teaching me the trade. Back then there was only conventional means of heating and cooling—not like today where there are choices such as geothermal and solar. As the years went by my Dad retired from the business and I started my own.

We’re A Carrier Factory Authorized Dealer

From maintaining a consistent temperature, to helping keep your utility bills cheap, to cleaning and humidifying (or dehumidifying!) your air, Carrier products provide the means to fully manage your home’s heating and cooling quality, all while keeping you and your family comfortable.

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Our Customers Love Us

See what everyone's saying about Gray's!

Gas Furnace Repair in Other, IN 46342

“Jakob is incredibly professional and knowledgeable. He makes every effort to diagnose issues correctly and resolve them in a cost effective manner. Thanks Jakob for providing us with great service!”
- Raquel-Catherine B.

Air Conditioner Repair in Lowell, IN 46356

“Jakob Pelter found the problem quickly and made repair. My wife was happy to have the a/c back on. Mr Gray is lucky to have Jake as an employee.”

- michael r.

On Time and Very Efficient

“5 star ON TIME AND VERY EFFICIENT”

– Tim & Joann S.

We love hearing from our customers!
If you've had us work on your HVAC system we would love to hear from you too.

Need HVAC Service?

Contact the experts at Gray's.

Call us at 219-696-8377!

Check Out Our Latest Articles

A hand rubbing a sponge on a ceiling vent | Why Air Duct Cleaning is Important | Keep Your Home Health | Lowell, IN

Why Air Duct Cleaning is Important

September 21, 2020

Just like your lungs are an important connection to the rest of your respiratory system, your home’s ductwork, or air ducts, are importantly connected to your heating, ventilation, and air conditioning (HVAC) system. For your HVAC system—and your lungs—to perform at peak level, the numerous airways need to be open and clear. All in the name of breathing properly.

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White dog wearing sunglasses hanging its head out the car window, Video - Stay Cool During the Summer | Air Conditioner | Lowell, IN

Video–Stay Cool During the Summer

August 31, 2020

Schedule a clean-check today

Grays Total Green Energy
7302 McConnell Avenue · Lowell, IN 46356

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ac unit blowing hot air, two hands in front of ac vent

Why Is My AC Blowing Hot Air?

August 17, 2020

It’s the first really hot day of summer in Lowell when the floor fans and the open windows just don’t cut it anymore. You head over to your thermostat and select “air conditioner” and wait for that refreshing icy air to start blowing out of your vents. When you check a few minutes later, you feel only hot air. Why?

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