
Thermostats by Russell & Abbott Heating and Cooling
The technology of climate control is always changing rapidly. You have more options for thermostats than before. But this doesn’t mean all new thermostats are ideal for your needs. In addition, installing a new thermostat is harder than it seems! Whether you want all the bells and whistles or just a basic model, Russell & Abbott can recommend and install the best thermostat to fit your needs.
Contact us for air conditioning, heating, indoor air quality and commercial HVAC services in Maryville, Knoxville, Alcoa, Blount County, Knox County, Loudon County and surrounding areas.

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“I was so impressed by this company and their professionalism. The communication was amazing and each person I spoke with was friendly and willing to help.”
- Whitney H. -
“I highly recommend Russell and Abbott to anyone in need of maintenance, repair, or replacement of their current HVAC system. They actually fulfill their warranty promises, making them a 21st-century company with old-school quality!”
- William K. -
“I highly recommend Russell & Abbot. I will have them come back regularly for maintenance to avoid future problems. I am so pleased with their service!”
- Patricia A. -
“The staff is always very friendly, professional and on time. I have the Onyx system and have a 10-year warranty, so I am never charged for anything that they do. I cannot recommend this company enough!”
- Angel J.
Let Our Professionals Install Your Thermostat
Today’s thermostat models include manual thermostats, digital programmable thermostats, and advanced smart and Wi-Fi thermostats. Installing a new thermostat is a tempting DIY project, but did you know that installing the wrong thermostat can damage your HVAC system? Make an appointment with our certified technicians so they can locate a thermostat that does exactly what you need and keeps your HVAC system in the best shape.
Trust the Russell & Abbott Team for Your Comfort
No matter what service you need to make your home as comfortable as it can be, we are the folks you can trust. You’ll feel the difference when you work with us. We provide quality and the best customer service. To schedule service for a new thermostat or to find out if you need service for your current one, speak to us today.

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Contact us using the form below or give us a call at (865) 302-3221.
Our Customers Love Us
Read Reviews from Your Friends and Neighbors
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“I highly recommend Russell & Abbot. I will have them come back regularly for maintenance to avoid future problems. I am so pleased with their service!”
- Patricia A. -
“The staff is always very friendly, professional and on time. I have the Onyx system and have a 10-year warranty, so I am never charged for anything that they do. I cannot recommend this company enough!”
- Angel J. -
“I was so impressed by this company and their professionalism. The communication was amazing and each person I spoke with was friendly and willing to help.”
- Whitney H. -
“I highly recommend Russell and Abbott to anyone in need of maintenance, repair, or replacement of their current HVAC system. They actually fulfill their warranty promises, making them a 21st-century company with old-school quality!”
- William K.