Performance™ 16 Heat Pump 25HCB6 Reliable, Energy-Efficient Cooling and Heating for Your Home Performance series heat pumps offer that perfect balance between budget limits you may have today and your desire for long-term energy savings. The 25HCB6 boasts cooling efficiencies of up to 17.5 SEER . Like other Carrier® heat pumps it’s designed to be Hybrid Heat® system compatible to help you save on heating costs in winter too. But this Performance 16 model also goes that one step further to give you two-stage compression for added comfort and quiet. Standard Features Up to 17.5 SEER cooling efficiency Up to 9.5 HSPF heating efficiency Sound: as low as 70 decibels1 Superior humidity and temperature control Two-stage compressor operation for excellent comfort and quiet Filter drier system protection from moisture and contaminants WeatherArmor™ Ultra protection Non-ozone depleting Puron® refrigerant 10-year parts limited warranty2 Optional Features Optional labor warranty available3 1 Quietest size within each model group during most common cooling operating condition. 2 To the original owner, when product is used in a residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details. 3 Ask your Carrier® dealer for details.