EA Prereq 3

EA Prereq 3

CFC REduction in HVAC+R Equipment

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Zero use of CFC-based refrigerants in NEW HVAC+R systems
Requirements to reduce ozone depletion
Zero use of CFC-based refrigerants in new tenant HVAC+ R systems when within scope of work. 
Alternatative to using HVAC?
natural ventilation
Chlorofluorocarbons (CFCs)
are hydrocarbons that deplete the strospheric ozone layer
Hydrochloofluorocarbons (HCFCs)
are refrigerants that cause significantly less depletion of the strospheric ozone layer compared to CFCs.
are the working fluids of refrigeration cycles.  They absorb heat from a reservoir at low temperatures and reject heat at high temperatrures.
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