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“UV germicidal irradiation . . . is an effective strategy for reducing the risk of dissemination of infectious aerosols in buildings. . . ”
“The entire UV spectrum can kill or inactivate microorganisms, but UV-C energy (in the wavelengths of 200 to 280 nm) provides the most germicidal effect, with 265 nm being the optimum wavelength. The majority of modern UVC lamps create UV-C energy at a near optimum 254 nm wavelength. 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.”
UVGI is scientifically proven to deactivate viruses and bacteria in air, water and on surfaces. UVGI upper room wall packs, air-handler and plenum Lamp retrofit strategies are recommended by ASHRAE. However, there are a large number of factors that control and affect infection rates within buildings, therefore, there are no explicit or implicit guarantees or warranties that adopting and deploying UVGI technology will eliminate or significantly reduce infection rates or disease transmission rates within your building. Other factors that affect infection rates and disease transmission include, but is not limited to, zone temperature, zone relative humidity, ventilation effectiveness, zone pressurization, occupant densities, occupant densities of diseased occupants, air filtration, etc. EMA shall not be liable for or bound in any manner by, and Buyer has not relied upon, any express or implied, oral or written information, warranty, guaranty, promise, statement, inducement or representation pertaining to the subject technology including but not limited to, warranties of fitness or merchantability, regarding or with respect to the subject technology.
EMA is a UVGI Lamp Systems Designer and project expeditor and consulting engineering firm specializing in Energy Engineering, ASHRAE Level 1-2-3 Energy Audits, and HVAC Controls Commissioning. EMA provides its customers with LEED™ Commissioning, Retro-Commissioning, Continuous Commissioning, Continuous Re-Commissioning, Real-Time Predictive Energy Models, investment grade energy audits, DOE2.2 supported energy simulations and traditional HVAC troubleshooting. As a member of the United States Green Building Council (USGBC), EMA encourages LEED™ Commissioning and Certification of sustainable energy-saving designs.
Steve Di Giacomo, PE, CEM, BCxP, CPMP, GBE is a Registered Professional Engineer holding licenses in MA, RI, NY, NJ, PA and ME in Mechanical Engineering. He is an AEE Certified Energy Manager, and ASHRAE certified commissioning process management professional. Mr Di Giacomo has logged over thirty years of specialized Energy Engineering HVAC auditing, analysis, design, commissioning and facility operations experience with industrial, research, hospital, chemical, pharmaceutical and commercial facilities at both the site and corporate levels. He co-teaches a popular NESEA 3-hour workshop "Lessons Learned from High Performance Buildings: What Went Wrong? Why did they not Perform?", is NESEA moderator, and a panelist at AEE Technology Roundtable events.. Mr. Di Giacomo has authored a number of articles on CO2 based demand-controlled ventilation (DCV) in both Engineered Systems Magazine and the Journal of Energy Engineering. Mr Di Giacomo was designated by ENERGY STAR as "Most Active Licensed Professional", certifying over 100 buildings each year for ENERGY STAR Awards, as well as provides e-Filings for BERDO and BEUDO and other Municipal Ordinances.