Rooftop AC/Heater Kit, 6000 BTU, 24VDiverse Cooling Capacities: Tailor your cooling needs with our range of models. The 1200 model offers 5000 BTU of cooling power, ideal for smaller spaces, while the 1800 model delivers 7800 BTU, perfect for larger areas. This variety ensures you get the perfect fit for any application. Reverse Heat Pump Function: Extend your comfort year round with the integrated reverse heat pump. This feature allows the unit to function as a heater, providing warmth