The Coleman-Mach Power Saver Quiet Series R32 Air Conditioner with Heat Pump is the quietest most powerful air conditioner that takes cooling power to the MAX by offering the highest cooling output available. The Quiet Series Mach 15 is the world's most powerful RV air conditioner with the highest cooling output you can buy and has an airflow so strong, it's a sure bet for ducted and non-ducted systems. New R32 refrigerant offers a lower environmental impact and improved energy efficiency. The Power Saver Series helps you avoid the frustration of tripped circuit breakers. It's an air conditioner designed to use less power without sacrificing cooling performance so you can stay cool and comfortable while using the power that is left over to enjoy more of the electrical appliances in your RV. SpecsBTUs: 15, 000Heat Pump: YesSoft Start: NoPower Saver: YesVolt Rating: 115VAC, 60Hz, 1 PhaseFull-Load Cooling Amps: 8.9Refrigerant: R32Weight: 84 lbs. Overall: 13.8"H x 26.1"W x 38"Ltable, th, td {border: 1px solid black; border-collapse: collapse;}td {padding: 6px;} Older Models New R32 Models Description Old Coleman Part No. Old CW Item No. New Coleman Part No. New CW Item No. Mach 15 PS Quiet 15, 000 BTU AC Polished White 48009-0650 143539 38009-0650 154363 Built-in heat pump for year-round comfort PowerSaver helps avoid the frustration of tripped circuit breakers R32 refrigerant for a lower environmental impact | Coleman Mach 15 Quiet PowerSaver R32 Air Conditioner with Heat Pump, 15K BTU, Polished White