Adding electric heat to your Goodman system is easy with an electric heat kit. The HKR4-20 electric heat kit is perfect for homeowners who want to add another level of heating to a simply system. The HKR4-20 is a 19.0 kW 3 phase heater and is designed specifically to fit inside Goodman's GPC-H M-Series packaged units. It is designed specifically to fit inside Goodman's modular blowers,. It also features a plug-in wiring harness to keep installation simple. If you're looking for a little extra heat from your packaged central system, Goodman's HKR4-20 electric heat kit will keep you feel comfortable all year long.