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 industrial and commercial projects requiring efficient heating and cooling systems. As an experienced European manufacturer, the company specialises in safe refrigerant solutions engineered for regulatory compliance, supplying R290-based heating systems, propane cooling systems and modern refrigeration technology to customers around the globe.