Prepaid preventive maintenance service plans for heating, ventilating and air conditioning systems

Maintenance and repair of heating installations; Repair of household appliances and of residential heating, plumbing, air conditioning, and electrical systems; Installation and repair of heating, ventilating and air conditioning equipment; Installation and replacement service for heating, ventilating and air conditioning systems; Heating equipment installation and repair; Heating equipment installation; Installation and maintenance of heating systems; Installation and repair of heating, ventilating and air-conditioning systems; Installation, repair and maintenance of heating equipment; Maintenance and repair of heating apparatus; Installation, maintenance and repair of heating systems; Installation of heating systems; Installation of heating apparatus; Repair of heating apparatus; Installation of heating equipment; Installation and repair of heating equipment; Installation of heating, ventilation and air-conditioning systems; Installation, maintenance and repair of heating apparatus; Installation of heating and cooling apparatus; Repair and maintenance of heating apparatus; Advisory services relating to the installation of heating and cooling apparatus; Installation, maintenance and repair of cooling and air-conditioning systems for temperature-controlled environments