Hybrid - A hybrid air-con unit employs a combination of electric power and fossil fuels. It has a dual use, in that it can be used to expel warm air outside the house in the summer, and in the Winter season it will do the other to maintain the space https://airconditionerinstallatio20852.blogproducer.com/35981367/the-fact-about-restaurant-and-bar-ventilation-that-no-one-is-suggesting