Because the heat pump water heater exhaust air is cool, should I duct it to outside the home?

No. Although the exhaust air is typically cooler than the room air, it is usually much warmer than the outside air during winter months in Colorado. Ducting the exhaust air outside will pull in more outside air to take its place, and will therefore increase the energy use of the house.

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Love Electric aims to accelerate the adoption of heat pumps, heat pump water heaters, and other efficient electric technologies in homes and businesses across Colorado, to lower consumer energy costs, reduce greenhouse gas emissions, and provide improved health, comfort and other benefits. Love Electric is an initiative of the Beneficial Electrification League of Colorado (BEL-CO).

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