Efficient Heat Pump For All-in-One Home Comfort Models: 50XT Energy Efficiency Humidity Control Durability Up to 15 SEERUp to 12 EER8.0 HSPFENERGY STAR approvedPuron refrigerant2-5... SEER/8 HSPFENERGY STARDetailsAs an ENERGY STAR partner, Carrier Corporation has determined that model 50XT Infinity 15 heat pumps that achieve system combinations of 14.5 SEER, 8.2... HSPF and 12.0 EER or higher meet the ENERGY STAR guidelines for energy efficiency. Proper sizing and installation of equipment is critical to achieve optimal performance. Ask your...

STARDetailsAs an ENERGY STAR partner, Carrier Corporation has determined that the Performance 86 boiler meets the ENERGY STAR guidelines for energy efficiency.ControlsControl... Energy Efficiency Quiet Level Durability Up to 86% AFUECast-iron heat exchangerOil fuelSectional cast-iron designSmall, compact designSwing burner door20-year parts limited warranty...

variety of highly engineered thermostats, wireless thermostats and Thermidistats--including our all-star Infinity Control--you have precise control over temperature, humidity, air... are central air conditioners that can also heat your whole home. Paired with a gas furnace, they offer energy-use options and extra heating options...we call this combination Hybrid... tap into the earth's surface, using the energy and relatively consistent heat found in the earth, a pond, or well water instead of using outside air like traditional heat pumps...