Heating

Asked to name the most important trait of a power plant—reliability, availability, or maintainability—most building owners and operators would say reliability. But is it really?...More

JoGar Energy Services, provider of on-site technical reviews, inspection services, and training seminars led by HPAC Engineering Editorial Advisory Board member Gary W. Wamsley, PE, CEM, has relocated to South Florida....More

Air infiltration long has been a little-understood or even ignored factor when it comes to energy efficiency in commercial buildings. Engineers understand it exists, but tolerate its existence by simply accounting for it in heating- and cooling-system design....More

Using an aerosol sealant to seal ductwork from the inside saved a luxurious condominium complex thousands of dollars in project costs while proving minimally disruptive to residents....More

With the inception of the LEED (Leadership in Energy and Environmental Design) green-building rating program and stricter ANSI/ASHRAE/IES Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, and ANSI/ASHRAE Standard 62.1, Ventilation for Acceptable Indoor Air Quality, requirements, the geothermal industry has evolved. This article provides an overview of the wide array of geothermal options available to design engineers and commercial-building owners seeking to sharply reduce operating costs....More