A comprehensive list of Portage, WI commercial and residential heating companies offering installation, replacement and repair services. Read unbiased customer reviews and recommendations of local HVAC contractors. 
There's never a convenient time for your HVAC systems to start giving you concerns. But when you choose Johnson Mechanical, LLC as your heating and cooling company, you can be assured that you'll receive prompt, professional service whenever a problem arises - even if it occurs during the middle of the night.
John Loy — Johnson mechanical was excellent! They bill for 1 hour minimum. The tech, who was awesome, finished his job in pretty short