1st Call Heating & AC Services LLC is the most reliable heating and air conditioning contractor in Zimmerman serving Zimmerman and the surrounding communities. We pride ourselves on helping people find theperfect heating & air conditioning system for your home or small business.1st Call Heating & AC Services LLC is anindependent Rheem contractor. We offer customers free estimates on new installations. We will install humidifiers, unit heaters, air conditioners, and perform gas conversions on equipment from top brands, while alway... read full review »