Expert advice on thermostats, HVAC parts, installation, and maintenance.
What a Condensate Pump Does Air conditioners and high-efficiency furnaces produce condensate — water that drips off the evaporator coil or forms in the heat exchanger. In most installations, gravity...
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Why Does a Contactor Buzz? The buzzing sound coming from your outdoor AC unit is almost always the contactor — the electrical switching component that tells the compressor and condenser...
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The Simple Answer A non-programmable thermostat does one thing: it holds the temperature you set. You turn the dial or press a button, it calls for heating or cooling, and...
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