Up to 16 SEER & 8.0 HSPF Performance R-410A Chlorine-Free Refrigerant ★★★★★ ★★★★★ 4.8 out of 5 stars. Read reviews. 4.8 5 Reviews 5 out of 5 (100%) reviewers recommend this product Outstanding Warranty Protection The GPH16H packaged heat pumps are covered by a 10-Year Parts Limited Warranty on all functional parts. These Packaged Heat Pumps provide energy-efficient heating and cooling performance in one self-contained unit. These units are suitable for ground-level or rooftop installations. Additional Information Before purchasing this appliance, read important information about its estimated annual energy consumption, yearly operating cost, or energy efficiency rating that is available from your retailer.