GUARANTEED HVAC

03/30/2026

🎉 Join us in wishing a very Happy Birthday to Corey! 🎂
The heart behind GUARANTEED HVAC and the reason so many homes and businesses stay comfortable all year long. We hope your day is filled with appreciation and good times!

03/23/2026

03/20/2026

As spring draws near, we recommend scheduling your annual maintenance today to prepare for the hotter summer season ahead.

GUARANTEED HVAC 269-363-3357

02/28/2026

Could a few new koozies be just what we need to kick winter to the curb and roll out the welcome mat for spring and summer?

02/25/2026

Get ready for our fresh new logo design and GUARANTEED HVAC apparel. Your favorite HVAC technician will be servicing and installing in style.

02/24/2026

One of many HVAC projects from last week... kiln venting installation.

02/05/2026

HVAC 101 - The video below illustrates the importance of scheduling an annual clean and check for your furnace. The photo depicts corrosion on the burner, causing the flame to build higher than normal. This will lead to the limit switch tripping, resulting in furnace malfunction and an unpleasant odor. Our clean and check process includes thoroughly cleaning the burner to ensure an even flame.