The present paper aims to use the thermal energy source for heating and water heating, by mechanical method, and using rotary thermal generator doesn't produce environmental harmful gases. The thermal rotary has high specifications: easy investment and low economic costs. In our present work, we designed a special plan for placing the thermal rotary in the housethermal heating system, for hot water production, for kitchens, washing and other alimentary manufactures. However, the plans explain using rotary thermal generator which could save in most traditional heating machines and water heating especially boiler, burner and flue that produces gases due to fuel combustion that is polluted environment, so that they are economic and environmental friend.