Evolution System FE4A Self diagnostic capabilities Easy trouble shooting Unmatched comfort and convenience Puron environmentally sound refrigerant Avoid potentially high future repair costs High efficiency Up to 20 degrees warmer air in heating Adjusts to changing conditions 5-minute off-delay with continuous fan 30-second on-delay and slow ramp-up of airflow Cool to dehumidify mode Up to 30 times more moisture removal in cooling (with Evolution Control) Read more about FE4A Preferred Series FV4B Maximum energy efficiency Enhances cooling efficiency up to 2 points in SEER Savings of up to 16% in cooling cost Savings of up to 10% in heating costs Designed to match with Puron® refrigerant systems Increased comfort Warmer heating temperatures than standard heat pump systems Improved dehumidification Resistant to mold and mildew 5-year warranty on the variable speed motor Read more about FV4 Preferred Series FX4B Energy efficient gSavings of 2% to 3% in cooling cost Designed to match with Puron® refrigerant systems Equipped with a Thermal Expansion Valve (TXV) Adjusts to changing conditions Resistant to mold and mildew Read more about FX4

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