
Thermostat replacements for air conditioners and furnaces are essential for precise temperature control and system efficiency. They regulate heating and cooling cycles, maintain consistent indoor comfort, and help optimize energy use while protecting key HVAC components.

-13%Copeland 998-0243-02 Thermostat Kit ZR SeriesSpecial Price $117.50 Regular Price $135.13Out of stock- -13%Xylem-Hoffman Specialty 600084 Thermostat 17°CSpecial Price $126.85 Regular Price $145.88Out of stock
- -10%Carrier HH22UZ101 Thermostat Temperature Actuated SwitchSpecial Price $248.22 Regular Price $275.53Out of stock
- -10%Xylem-Hoffman Specialty 601111 Thermostat 15 PSI for F & T’sSpecial Price $254.27 Regular Price $282.23Out of stock
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Conditioners & Furnace Thermostat Replacements
Thermostat replacements for air conditioners and furnaces control home temperature by signaling the HVAC system to turn on or off. They maintain precise settings for optimal comfort and energy efficiency, with modern models offering programmable features for added convenience. They also help regulate heating and cooling cycles to protect system components and ensure consistent performance.
A failing thermostat can cause irregular heating or cooling cycles, temperature fluctuations, or unresponsive controls. It may also fail to properly communicate with the HVAC system, causing inefficient operation. The system may run continuously or fail to start, leading to discomfort and higher energy use.
PartsHnC offers a wide range of thermostat replacements for leading HVAC brands, including Carrier, Trane, Marley, Lennox, and Goodman. Our inventory ensures quick availability of genuine, high-quality parts such as 240V thermostats, 120V electric, 2-pole 22A, natural gas valves, defrost, refrigeration (-40°F–122°F), wall mounts, and heat pumps.
FAQs
How can I tell if my HVAC thermostat needs replacement?
Frequent system cycling, inaccurate temperature readings, or unresponsive controls are clear signs your HVAC thermostats need replacement promptly.
What happens if a thermostat fails in my furnace?
A failing thermostat can prevent your furnace from turning on or off, causing discomfort and inefficiency.
Why does my air conditioner thermostat show the wrong temperature?
Faulty sensors, loose wiring, or a failing unit can cause inaccurate temperature readings.
Why is my house still cold even though the heater is running?”
Your thermostat might not be sending the right signal, which can require a replacement for proper heating.
How come my AC keeps running, but the temperature doesn’t change?”
A failing thermostat may misread the temperature, causing the system to overwork without cooling effectively.
Why isn’t my heater working even though the thermostat is set?”
An HVAC thermostat replacement may be needed because the current thermostat isn’t sending proper signals.
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