Johns Creek GA residential and commercial clients depend on R. S. Andrews Air Conditioning Repair to maintain, repair and replace the heating and cooling equipment they 
depend on. Calling our BBB A+ rated team of licensed and insured heating and air technicians is your guarantee for expert HVAC service.
North Fulton County is the fastest growing area of the county and we are ready to show you and your family that they can depend on our service technicians. We install and service furnaces, humidifiers, air filtration equipment, heat pumps and air conditioners by York, Bryant, Amana, Trane, Carrier, Goodman, Lennox, Rheem, Ruud, American Standard, Armstrong Air and other top manufacturers.
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- Air Conditioning Repair Roswell
Variable Speed HVAC Increases Energy Efficiency
Amana, Trane, Carrier and other top HVAC brands have specifically designed their systems to include variable speed blowers for greater efficiency and humidity removal. Due to the benefits and popularity of these models, other manufacturers have since followed their lead.
Variable speed motors (technically called an ECM or an Electronically Commutated Motor), coupled with with two-stage compressors and multi-stage furnaces, offer better control and efficiency by helping your system run at the appropriate speed to meet the current load demand.
This equipment was designed to only operate and consume enough energy to meet the current demand. Therefore, in both the summer and winter months, the motor runs at a lower speeds until the demand increases, then it ramps up to meet that higher demand. Other benefits to having variable speed motors are:
The soft-start capabilities and quieter operation. Research indicates there is up to 50 percent less noise than conventional blowers. Better humidity control means the less humidity there is in the room, the cooler the room will be.
On higher SEER (Season Energy Efficiency Ratio) condensing units, variable speed motors are used for the condenser fan motor. The higher the SEER the greater the energy savings. When used in conjunction with multistage furnaces, AFUE (Annual Fuel Utilization Efficiency) ratings increase. The higher the AFUE the higher the energy efficiency which equals higher savings.