Mainline Residential Thermostats
Reliability is in the air. HVAC solutions from Mainline®. At Mainline®, we offer proven technology in each of our high-performing products, along with comprehensive warranties and excellent support. We take pride in putting people and results above all else. Our residential and commercial HVAC products meet a wide range of market needs.
Mainline HVAC, HVAC Mainline
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Thermostats

It’s time to put the power of comfort in your hands with Mainline thermostats. Now, with Mainline’s full line of comfort control devices, you can be in charge of your comfort in a way that complements your life. Featuring large easy-to-read displays, a glow in the dark light button, color-coded terminal blocks, and interchangeable sub bases, now reliability is in really in the air.

Thermostats
MLT855SH

MLT855SH

MLT601-2

MLT601-2

MLT605-2

MLT605-2

MLT621-2

MLT621-2

MLT625-2

MLT625-2

MLT501ML2

MLT501ML2