Infinity® Residential Ductless Highwall Heat Pump System 38/40GRQ Dependable, Heating and Cooling Comfort From One of Our Newest Ductless Heat Pumps Infinity® series products represent the pinnacle of our communicating technology. This advanced system enables some of the best comfort features and energy saving advancements. The GRQ model lives up to its Infinity name with features like a variable-speed compressor for quiet efficiency and up to 7 fan speeds. There are many convenience features built-in like smartphone control, sleep mode settings and timed start/stop on its wireless remote. Highwall Standard Features Up to 30.5 SEER cooling efficiency 10.3 HSPF heating efficiency 80% heating capacity at -20°F Line lengths up to 82′ Variable-speed inverter compressor 7 indoor unit fan speeds Base pane heater Auto louver mode 180° vertical air supply 46°F heating mode (heating setback) Indoor sound: as low as 26 decibels1 Dehumidification mode X-Fan mode I FEEL function 5-year parts limited and 7-year compressor limited warranties2 Control Standard Features Wireless remote control standard Smartphone control Sleep mode 1 Quietest size within each model group during low fan-speed operation 2 To the original owner, 5-year parts and 7-year compressor limited warranties are available when product is used in an owner-occupied residence. For other applications a 1-year parts and 5-year compressor limited warranties apply. See warranty certificate for details.