April 2019


Most HVAC steam heating coils operate with steam pressure below 25 PSIG, and a very large percentage are below 15 PSIG. These coils have specific piping and coil arrangement requirements to allow these systems to optimize performance and avoid systematic problems that require premature replacement.   Preheat coils in most of the country will require an arrangement that deals with below freezing air temperatures. In conjunction with...

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Maintaining Your Air Handlers

  Central station air handlers require constant attention to ensure the units perform efficiently and have a longevity of up to 2 to 3 decades. By their very nature and because of space conditions, these units almost never have enough space and access to make this job an easy one.   Most units fabricated before 1985 are a single-wall type with insulation exposed to the air flow and...

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