Lennox XP21 Heat Pump

Leading the way in smart energy use.

The XP21’s multi-stage operation allows it to match energy use with heating and cooling power, keeping your comfort and efficiency in perfect balance.  The XP21’s SilentComfort™ technology greatly reduces operating noise, making it the quietest multi-stage heat pump you can buy.  Even when installed outside a bedroom window, it lets you rest peacefully.