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 advanced R290 heat pumps for demanding heating and cooling projects requiring reliable thermal solutions. As an European technology manufacturer, the company specialises in natural refrigerant technology engineered for F-Gas compliance, supplying propane heat pumps, propane chillers and advanced refrigeration equipment to customers around the globe.