HVAC 101. The Basics of Heating, Ventilation and Air Conditioning Presented by: Mike Barcik and Jeff Ross-Bain, PE Southface Energy Institute. Southface Energy Institute Sensible Solutions for Environmental Living. Energy Code Workshops Greenprints Commercial Systems EarthCraft House.
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The Basics of Heating, Ventilation and Air Conditioning
Presented by: Mike Barcik and Jeff Ross-Bain, PE
Southface Energy Institute
U-Value is the rate of heat flow in Btu/h through a one ft2 area when one side is 1oF warmer
Allows 40% through and turns 60% away
Indoor Air Quality
Variable Speed Supply Fan
Heat Coil w/Temp Reset
Cool Coil w/Temp Reset
Variable Speed Return Fan
Variable volume: Parallel
Constant volume: Series
Free cooling source: When available, use cool outdoor air instead of mechanically cooled air.
Minimum supply of outside air
55 oF and up
Outside air dampers are positioned to provide the minimum outside air
Outside air dampers are fully open. Maximum outside air is provided
ASH- RAE 62-89