Reliable can fill your need for new heating, air conditioning and ventilation equipment in any application. We have experience working with both residential and commercial applications. Call us and we will consult with you on your project, laying out a plan to cover all of your environmental control needs.


Some heating and air conditioning contractors are more interested in installing new units than helping you get the most out of the equipment you already have. Not Reliable. We built our business on not just new installations, but also trustworthy and dependable repairs. Have an off hours emergency? Call Reliable’s answering service any time, any day. We will be there for you.

Recreational vehicles

Having trouble with your recreational vehicle staying cool or warm enough for comfort? Reliable can get it back in order providing your comfort zone.




Financing only available to residents in the state of Wisconsin.