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HVAC Load Reduction (HLR) module for rooftop installations (HLR 1000E-R ) builds on the success of enVerid’s HLR modules for indoor deployments in commercial, government and academic buildings.
Instead of replacing the entire volume of indoor air with outside air every one to two hours to minimize concentrations of unhealthy indoor air pollutants, HLR modules clean and recycle indoor air. In doing so, HLR systems reduce the outside air intake required to ventilate a building by 60 to 80 percent, enabling up to a 40 percent reduction in peak HVAC capacity and significant equipment savings. Additionally, the system decreases annual energy consumption by 20 to 30 percent while improving indoor air quality (IAQ) for better health, productivity, and satisfaction of building occupants.
The HLR 1000E-R safely captures and cleans indoor air of contaminants typical of commercial, education, and government buildings, including carbon dioxide (CO2), volatile organic compounds (VOCs), and aldehydes. Also, bringing in less polluted outside air reduces the introduction of additional harmful contaminants to a building, like ozone and particulate matter.
Some commercial buildings require extra outside air flow to maintain indoor air quality, resulting in some areas of the building getting too cold. This problem is further exacerbated in buildings with higher occupant densities than they were originally designed for. By reducing outside air, the HLR 1000E-R system ensures that there are fewer drafts in the building and the HVAC system can more easily maintain temperature and humidity on extreme weather days.
The HLR 1000E-R has a double-walled, insulated construction certified for 1,000-hour salt-spray. The technology is compliant to the standards for ventilation defined by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Standard 62.1 Indoor Air Quality Procedure (IAQP) and the International Mechanical Code (IMC).