Rooftop Maintenance: Seasonal Must Do's
Unlike many types of HVAC equipment that are tucked away in an indoor mechanical room, package units are typically located on building rooftops or at ground level on concrete slabs. Because of their exposure to the elements, these units have to endure harsh conditions.
Original Article Source Credits: Contracting Business , https://www.contractingbusiness.com/
Article Written By: Colleen Julian
Original Article Posted on: OCT 01, 2003