The legislation includes funding to help cover heating ventilation and air conditioning (HVAC) repair and replacement to reduce the risk of coronavirus infections and reopen schools. The bulk of it funding is allocated to go to K-12 public school systems.
On the recommendation of the ASHRAE Epidemic Task Force, ASHRAE Leadership states that transmission of SARS-CoV-2 through the air is sufficiently likely that airborne exposure to the virus should be controlled. Unconditioned spaces can cause thermal stress to people that may be directly life threatening and that may also lower resistance to infection. In general, disabling of heating, ventilating, and air conditioning systems is not a recommended measure to reduce the transmission of the virus.
Ventilation and filtration provided by heating, ventilating, and air conditioning systems can reduce the airborne concentration of SARS-CoV-2 and thus the risk of transmission through the air. Most would agree that upgrades to filter efficiency, whether it’s a mask or an AHU system, would be an effective way to assist in filtering out unwanted airborne particles. However, careful consideration needs to be made when selecting the types of filters used for existing AHU systems.
The ultraviolet (UV-C) spectrum can kill or inactivate microorganisms. UVGI inactivates microorganisms by damaging the structure of nucleic acids and proteins with the effectiveness dependent upon the UV dose and the susceptibility of the microorganism. Bipolar ions devices produce positively and negatively charged ions into the occupied space through the building ventilation system, proactively attacking airborne contaminants. Ionization devices are safe, low maintenance, easy-to-install, energy efficient, and highly effective on pollutants.
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Climate Systems is a Sioux Falls HVAC company that specializes in Sioux Falls commercial HVAC design, installation and management.
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