“I had a 70 year old furnace replaced. My new furnace of 5 years still going strong no issues.”
“I found a leak on my water meter and called the office, she was very nice and was able to get me in a few hours. Paul and his apprentice had the leak fixed in under a half hour. Very pleased with my e…”
John Groya Plumbing & Heating provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Bay City, MI.
John Groya Plumbing & Heating has a 4.4 out of 5 star rating based on 72 Google reviews.
All listed providers have a verified Michigan contractor license at time of publication. You can verify on the Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes lookup at https://aca3.accela.com/LARA/GeneralProperty/LicenseeSearch.aspx.
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Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Michigan Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes · Company data: verified business records + Google Business profile
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