Hybrid - A hybrid air conditioning unit utilizes a combination of electrical power and fossil fuels. It's a twin utilization, in that it may be used to expel warm air outside the house in the summertime, and in the winter it'll do the opposite to keep the space warm. Social https://eco-friendly-commercial-v19741.blog2learn.com/77611498/not-known-facts-about-eco-friendly-commercial-ventilation