A comprehensive list of Zimmerman, MN commercial and residential heating companies offering installation, replacement and repair services. Read unbiased customer reviews and recommendations of local HVAC contractors. 
Geothermal energy (literally heat from the earth) has become the "green" energy alternative of choice because it is natural, clean, renewable, reliable, efficient and inexpensive to operate. Geothermal heating & cooling is the most economical, clean, non-polluting, proven heating & cooling technology available today.
Mitch Jorgensen — Had an installation done by Massman that was not properly completed until October 2021. A very expensive installation in