Welcome to High Efficient Heating, Air Conditioning, & Construction! Our services include the installation and maintenance of furnaces, boilers, air conditioners and much more. Providing residential and light commercial work to both Columbiana and Mahoning Counties, we promise honesty, integrity and a strong work ethic. For your peace of mind, we offer 24-hour emergency response and the ability to service modular and mobile homes. Furnaces (gas,oil,electric),Boilers (gas,oil,electric),Air Conditioners,Heat Pumps,Electronic Air Conditioners,Humidifiers,Hot Water Heaters,Sheet Metal Work. We service modular & mobile homes