As much as half of the energy used in your home goes to heating and cooling. So making smart decisions about a home's HVAC system can have a big effect on utility bills - and comfort. The RLS3 systems are packed with features, specifically created to save you money - like Energy Saving Program, or ESP, a programmable remote control and inverter technology. As much as half of the energy used in your home goes to heating and cooling. So making smart decisions about a home's HVAC system can...