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Beyond the unit itself, focusing on the insulation of your hot water pipes and the weatherization of your home can extend the efficiency benefits. Insulating hot water pipes reduces heat loss as water travels from your heater to your faucets, which saves energy and decreases the time you need to wait for hot water. This simple step can increase overall system efficiency and provide immediate savings. Moreover, ensuring that your home is well-sealed and insulated reduces the overall heating and cooling demands on your system. Check for drafts around doors and windows, and consider adding additional insulation in areas like attics and basements where heat loss can be significant.
Heat Pump Water Heaters: Combining Efficiency with Comfort.