Notice You’ll love the savings, but please no hugs. Please let us know during scheduling if you’d like us to wear a mask upon entering the home.
Fast Service at a Fair PriceTM Call or text us TODAY! (931) 647-9610  Mainstream on Facebook


Since 1995, family-owned MainStream Heating & Cooling has delivered fast, quality service at a fair price to residential and commercial customers throughout the Clarksville, Montgomery County and surrounding areas including Kentucky. We have a nationally certified highly qualified team of service technicians and installers. We excel at making complicated diagnoses, repairs and installations that deliver maximum comfort and value to our customers.

At MainStream, our focus on 100% customer satisfaction goes well beyond the equipment we sell and service. It’s clear during every phone conversation, meeting, service call and project that we put our customers’ needs first and work hard to exceed their expectations. We also offer the best guarantees in the business, so customers can enjoy the peace-of-mind of knowing that their heating, cooling, indoor air and refrigeration comfort and costs are always under control.

  • Repairs: We service all brands and guarantee that repairs on your equipment are fixed right or we will redo the repair for free.
  • Replacement: We guarantee that the equipment we have installed will perform as we have stated or we will remove it and return 100% of your investment.

MainStream has been designated as a Trane Comfort Specialist™ dealer – an honor earned by only a select group who meet Trane’s stringent standards of professionalism and technological expertise. We are also a Certified Geothermal Installer and offer a full menu of energy saving heating and cooling options.

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Fast, Quality Service

MainStream Heating & Cooling employs NATE-certified technicians committed to delivering the highest standard of climate control service. NATE (North American Technician Excellence, Inc.) is the leading certification program for technicians in the heating, ventilation, air-conditioning, and refrigeration industry, and conducts the only test supported by the entire industry.

MainStream Heating & Cooling is an independent Trane Comfort Specialist™ Dealer and meets Trane’s highest standards for customer satisfaction, technical expertise, and continuing education.

MainStream Heating & Cooling is one of a select group of HVAC contractors certified by the International Ground Source Heat Pump Association (IGSHPA) to install geothermal heat pump systems.

MainStream Heating & Cooling is in compliance with the efficiency requirements of the 2015 Federal Regional Standards for Heating and Cooling Products.

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