Heat Pump Water Heaters – Code Compliance Brief
Ensuring Code Compliance for Heat Pump Water Heater (HPWH) Installations Heat pump water heaters (HPWHs) are a highly efficient alternative to traditional electric-resistance water heaters. By utilizing a vapor-compression refrigerant cycle, HPWHs transfer heat from surrounding air to water, significantly reducing energy consumption. However, HPWHs require specific considerations for location, ventilation, condensate drainage, and electrical…