Virtual Diagnostics
Virtual Diagnostic Services
Get quality diagnostics for minor cooling and heating issues without leaving your couch or having someone enter your home.
Talking to a technician is easy—anytime!
Can’t see your Great Lakes Heating and Air technician in person? Virtual visits, also known as TeleTech, make it easy to access assistance from a certified technician via a secure video or phone appointment, from your home or on the go.
Virtual visits are available to help with a wide variety of non-emergency conditions. Technicians are ready to help 24 hours a day, 7 days a week.
Virtual support when you need it
- Thermostat not working
- AC not blowing cold air
- There is a leak
- Unit is making strange noises
In some cases there’s no need to have a technician in your home, no need to sit waiting around, and no surprise bills.
When you have an emergency, such as a completely inoperable system, call (574) 498-7556 and we can dispatch a technician to your home.
Great Reviews From People We've Helped Hear From Our Community
Great Lakes has earned over 1,000 5-star reviews because we treat every home like our own.
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“I recently had my summer checkup of my furnace and air conditioning on September 5th. Clark, the service attendant who arrived at my house, was polite, friendly, and completely explained everything that he was doing. When Clark went outside to check things, he even folded up my gardening hose that I had left on my yard and placed it close to the house. Talk about great service! These service technicians always represent your company in good and unexpected ways. The other thing I want to mention is that back on January 6th, 2006 my original furnace, which was not from Great Lakes, broke down and it was about 8 degrees outside. I called a variety of furnace companies, but the only company that responded and came out to help me almost immediately was Great Lakes Heating and Air Conditioning. They got my furnace working again on one of the coldest days of the year and I have been with them ever since.”- James L.
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“Ethan and Adam spent quite a while at my new home [which has been ignored]: first item was the carbon monoxide vent which they immediately corrected; updated all systems and worked well with the roofing construction crew which complicated issues. Ethan went through my list of issues from the home inspector and was able to make everything safe.”- Linda L.
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“I'm very pleased with Great Lakes Heating and Cooling. They're always on time and I'm always satisfied.”- Tim
I'm going to be a customer for life
"I'm very pleased with Great Lakes Heating and Cooling. They're always on time and I'm always satisfied. Their level of professionalism is excellent. Our technician today was Dion who was fast and thorough. I'm going to be a customer for life."- Tim -
“Jeff, our Installation Technician did a fantastic job. He was considerate of our home and there was no clean up needed when the job was complete.”- Pat
Our Comfort Advisor was absolutely excellent
"Have used Great Lakes Heating and Air Conditioning for several years. Just had a Furnace and Air Conditioning installed. Amy, our Comfort Advisor was absolutely excellent. She was very detail-oriented, explained all clearly, and answered all our questions. We couldn't have asked for a better person to work with. Jeff, our Installation Technician did a fantastic job. He was considerate of our home and there was no clean up needed when the job was complete. Another important area to us is when you call in for service. We have always had the phone answered in a professional manner. Thanks so much, Great Lakes!"- Pat -
“The differences? When I needed new AC, I got three on-site estimates.”- David M.
I have confidence in this company
"The differences? When I needed new AC, I got three on-site estimates. One was a glossy car-salesman-like company, another was an old-family folksy company, and then Great Lakes. The glossy guy I disliked, and it was pricey. The folksy guy I liked, but his knowledge was lacking--he thought my old AC concrete pad would work fine, but the Great Lakes guy said you need a new pad, and also he recommended running a new duct from the basement to upstairs so that cooler air there saves stress on the AC system. I have confidence in this company."- David M.
