Controls and Thermostats

Central heating and cooling is the most common method for conditioning indoor air in U.S. homes today. To provide indoor comfort, central systems efficiently produce warm or cool air in one central area and then distribute it throughout the home.

You can choose between a split central system or a packaged central system. You also can supplement your central system with controls and thermostats, humidifiers, dehumidifiers, air cleaners, radiant heating and vent-free heaters. When selecting your central air conditioning system, you also may want to choose your home’s water heater. Learn more about your options and make the right decision for your home.

Controls and Thermostats

Postby Service » Tue Jun 29, 2010 2:47 pm

Indoor comfort manufacturers provide a wide variety of thermostats that allow you to control temperature, ventilation and humidity when and where it is needed. Today’s indoor comfort controls are high tech and help to save you energy while optimizing your comfort.


Thermostats regulate the temperature in your home based on the settings you establish. This control switches the heating or cooling system on or off as needed to maintain the set temperature.


Like a thermostat, humidistats control the humidity levels in your home, the humidistat allows you to set a desired humidity level (usually 30 percent to 45 percent) and when the humidifier reaches that set level of humidification, the water supply is turned off. In some systems, the thermostat and humidistat are combined to work together.

Programmable Controls

Thermostats today can be programmed to automatically adjust your home's temperature settings. Programmable thermostats can help you save energy by scaling back the temperature to a more economical setting when you are away from home.

Zone Control

Having cool or heated air delivered just to the areas of your home that are being occupied can help you save energy and keep you more comfortable. Zone controls can be added to any forced heating or cooling system as an accessory. A zone controlled system allows you to adjust the temperature in various parts of your home independently. Each area of the home has its own thermostat, and you can set the temperature for what you like for heating and cooling for just that area.

You pick how many zones you want to have, from two zones on up, with most homes using two to six zones. The components needed to have zoned heating and cooling typically require electronic zone dampers to be installed inline with the ductwork, a zone control panel and thermostats for each zone.

If you have a boiler heating system, you can have zone control to regulate the heat in your home. This type of zone control system has a control panel, one or more circulating pumps, sometimes zone valves and a thermostat for each zone.
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