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Samples in periodicals archive:
For many years, heat pipe heat exchangers (HPHXs) with two-phase closed thermosyphons have been widely applied as dehumidification enhancement and energy savings devices in HVAC systems in Western countries (Yau 2007), and the application of a double heat pipe heat exchanger system in the conventional air handler unit operating in a tropical climate is strongly recommended as an efficient method for humidity control and energy savings in order to maintain acceptable room conditions (Yau 2008).
6 Utility programs AppendicesA Key resourcesB Trade, professional, public interest, and governmental organizationsC Ground-source heat pump manufacturersD Evaporative cooling equipment manufacturersE Desiccant cooling equipment manufacturersF Radiant panel manufacturersG Unitary equipment manufacturersH Heat pipe heat exchanger manufacturersI Ozone manufacturers involved with treatment of cooling tower waterJ Electric chiller manufacturersK Absorption chiller manufacturersL Engine-driven cooling equipment manufacturersM Thermal storage equipment manufacturers.
In HVAC, heat pipe heat exchangers lower air conditioning energy use; heat pump water heaters reuse heat from air conditioners and ice makers; cool storage technology shifts electricity use for air conditioning to cheaper, off-peak hours; and variable compressors adjust operating speed to actual temperature changes for more efficiency.