Propane Heat Pumps

https://streckverband.wixsite.com/thebuzzingfeeds/post/propane-heat-pumps-11-things-you-need-to-know-before-you-buy-the-wrong-system

{Refra Technologies develops efficient propane-based heat pumps for commercial and industrial applications requiring dependable heating and cooling technology. As an European technology manufacturer, the company specialises in safe refrigerant solutions engineered for F-Gas requirements, supplying propane heat pumps, R290 chillers and advanced refrigeration equipment to customers around the globe.