What is the Problem?
HVAC - #1 GOAL: Bring in Outside Air and reduce CO2 levels • Average System number of Air Changes Per Hour (ACH) - .5 to 1 • Recommended: 3 – 5 ACH • Average amount of outdoor air brought in from HVAC Systems: 5% • This means, on average 95% of what we breathe in is recycled air
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