The HVAC Maximizer: A Smart Device to Reduce Energy Costs  

The HVAC Maximizer is a microprocessor module that automatically adjusts your HVAC fan to run for a specific amount of time after the heating or cooling unit cycles off. In a typical HVAC system, the fan turns off after 90 to 120 seconds – leaving air that your HVAC system warmed or cooled (depending on the season) trapped in the ductwork – and wasted.

Because the HVAC Maximizer is a “smart” device, it times how long your HVAC system has run and automatically adjusts the fan to remain on so that the conditioned air is released into your home and not wasted. Additionally, this process reduces the number of times the HVAC unit must cycle on/off to maintain the temperature set on the thermostat. It will reduce your utility costs and also diminish the wear-and-tear on the HVAC unit.

How the HVAC Maximizer Saves Energy

The HVAC Maximizer improves upon the conventional time delay that is installed on your HVAC system to extend the time needed to push out all heated/cooled air that would have otherwise remained in your ductwork.

This is how it works. First, it records the length of the heating/cooling cycle as well as your property’s environmental surroundings. Then it calculates how much longer the fan should run and automatically programs the fan to remain on until all of the heated/cooled air left in the ducts has been delivered into your home.

When your HVAC system is set to cool, the device only permits the fan to run 2 minutes for every 10 minutes of runtime. This prevents unnecessary moisture (humidity) to reenter the home. In the heating mode, the HVAC Maximizer monitors how long the furnace ran and activates the fan at the end of the combustion cycle for up to an additional 8 minutes.

The Savings

Studies have shown that residential customers can save between 14-20% on air conditioning costs and between 12-18% on heating (annually).

Click here for more information on the HVAC Maximizer (PDF file).
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