Programmable Thermostats - The Set It, Forget It AC Solution

For A/C Efficiency, Avoid Manual "Fan On" Thermostat Settings

Grasping the purpose of central air conditioning and understanding how to operate a programmable thermostat carry not the same meaning. The fan on your air conditioning system may appear to perform in a manner similar to a standard room fan, but the method of air management is entirely different. Fans in HVAC systems are designed for distribution of cool air. Freestanding house fans are designed to create a local wind-chill effect.

Central Air Conditioning, Window Units, And House Fans

For principle functionality, air conditioning removes hot air from within your home and then redistributes cooler air. Central A/C systems disperse condenser-chilled air throughout your home. Window units, even though occasionally purposed for cooling an entire house, are typically installed for single room usage. Freestanding fans, including window and attic fans, do not remove heat from the air; they simply activate wind turbulence, which enables your body to more easily release sweat.

TIP! Reduce your heating bill - turn up the temperature setting on your thermostat and then drink more cold water. Keeping the thermostat a little higher generates big savings during summer heat waves. For additional savings, try adding a few daily cold-water showers to your routine.

Central cooling systems function in concurrence with you home's HVAC components, working in tune with you're A/C processes, heating units and even your home ventilation management. Space air conditioning equipment or window units perform a stand-alone function. Freestanding fans move air yet actuality increases the heat that accumulates in your home. Electricity generates heat. When running, the electric motor on your freestanding fan releases additional heat into your home while providing no supplemental benefits of cooling the existing air.

Wind chill relates to the procedure in which wind steps up convective heat loss. By circulating existing room air, a standalone fan enables quicker and easier evaporation of sweat from your skin - thus enhancing your body's natural cooling system. Greater wind chill produces a higher speed of evaporation - and you feel cooler quicker. But remember, fans do not remove hot air from the environment; they add hot air. Thus even as the wind chill effect reduces your discomfort, the fan actually increases the cause of that discomfort.

Central Air Conditioning Fan On Mode

The fan that functions with your installed central air conditioning system is also connected to your furnace system. Warm interior air returns to your outside A/C condensing unit. The air processes through the external condensing coils and is then re-circulated back to the inside furnace unit. The system then disburses the cool air back into your home. Although evaporation plays a role in the functions of a central A/C system, the core result is nothing like the results produced by a standard room fan, ceiling fan or even attic fan. The fan on your central HVAC unit is neither designed for or should be used as a regular home fan unit.

TIP! When taking away-from-home vacations, set the thermostat on your HVAC system no more than five degrees apart from your standard setting. Differences of more than five degrees can damage the contents in your house - especially during the summer when the Arizona temperatures swell into the triple digits.

Under normal conditions, you should never set your central A/C fan mode to "Fan On" only mode. Your unit is not designed for such extensive "Fan On" performance. Thus extended use of "Fan On" only mode increases room humidity while decreasing the efficiency of your HVAC system. It may even damage your HVAC system.

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