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What Controls the AC?

Published in HVAC Control 2 mins read

A thermostat controls your air conditioner.

How a Thermostat Controls Your AC

The thermostat acts as the brain of your air conditioning system. It's typically a wall-mounted device that constantly monitors the temperature of your home. When the indoor temperature rises above the set temperature you've programmed into the thermostat, the thermostat sends a signal to turn the AC unit on. Conversely, when the temperature cools down to or below your desired temperature, the thermostat signals the AC to turn off.

This simple on/off control mechanism allows for efficient climate management in your home. You can adjust the desired temperature on the thermostat to suit your preferences and energy conservation goals.

  • Example: If you set your thermostat to 72°F (22°C), the AC will turn on when the temperature climbs above that point and turn off when it reaches or falls below it.

Different Types of Thermostats

There are various types of thermostats available, offering different levels of control and features:

  • Programmable Thermostats: Allow you to schedule temperature settings for different times of the day or week, optimizing energy efficiency.
  • Smart Thermostats: Offer advanced features like remote control via smartphone apps, learning algorithms to adjust to your habits, and integration with other smart home devices.
  • Traditional Thermostats: Simple mechanical or basic digital thermostats that allow manual temperature adjustment.

The thermostat, as described in the provided reference, is the key component monitoring and controlling the indoor air temperature, directly impacting your AC's operation.

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