Another day of excessive heat and humidity means your air conditioning is working really hard. 

An expert tells us that’s how it should be.

HVAC manager at Abt Electronics Dan Raysby says they're essentially large dehumidifiers, and to be productive they should run continuously on hot days.

Another day of excessive heat and humidity means your air conditioning is working really hard. An expert tells us that’s how it should be. HVAC manager at Abt Electronics Dan Raysby says they're essentially large dehumidifiers, and to be productive they should run continuously on hot days.

How much is that unit in the window? How to keep cool at home

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How much is that unit in the window? How to keep cool at home

How much is that unit in the window? How to keep cool at home