MULTIFACETED MACHINE: Brett Nejmanowski, president of JT Dunn Heating & Cooling in St. Louis, displays the energy recovery ventilator (ERV) setup at the company’s office. The unit doubles as a ...
Energy recovery ventilators (ERVs) are designed to improve HVAC system performance by taking the energy from exhausted building air and using it to precondition incoming outdoor ventilation air. This ...
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