Setting the standard in Comfort Since 1939

Air Conditioning | Standard Heating & Cooling


Standard Heating & Cooling was established in 1939 by the Harms Family. Upon the retirement of John Harms in 2018, the Ewalt Family assumed ownership and management of Standard Heating & Cooling. Under the leadership of Heather and Britt Ewalt, the tradition of focusing on customer satisfaction and relying on our loyal customer referrals, continues on today and into the future.

We Are Customer-focused

Standard Heating & Cooling stands as Peoria’s leading heating and cooling contractor. We design, engineer and install complete heating and air conditioning systems in residential and commercial buildings. Our integrity is found in our people – from the office staff and estimators, to the technicians that bring a professional, positive attitude with them every day.

We Are Eco-friendly

Standard Heating & Cooling understands the importance of conservation and energy efficiency.  We do everything we can to curb what ends up in a landfill and to reduce energy costs for all its customers. Here are some of the things we do as part of our green initiative:

Our Guarantee