Author: jgowans

San Miguel Power Association

Air source HPs: 18 SEER Minimum ≤ 2 tons: $900/ton; > 2 tons: $450/ton. Ground source HPs: $500/ton for new systems; $250/ton for replacement systems

San Luis Valley REC

“Air source HPs: $450/ton for units greater than 17 SEER; $300/ton for units rated from 15-17 SEER. Rebates not to exceed 50% of equipment costs. Ground source HPs: $500/ton for new systems; $250/ton for replacement systems “

La Plata Electric Association

Air source HPs: $500/ton for units greater than 17 SEER; $350/ton for units rated from 15-17 SEER. Rebates not to exceed 50% of equipment costs.

Can I put a heat pump water heater in my finished basement? Won’t it take away from the efficiency of heating my house, by exhausting cool air into the basement?

Yes, it’s fine to put the heat pump water heater in a finished basement. You should just make sure the cool exhaust air from the water heater does not blow directly into commonly occupied areas. Yes, this will add a small amount of energy to the home’s overall heating load. However, this amount of cool air from the heat pump water heater will have a minimal effect on the home’s overall heating system performance/consumption. In addition, the cool air will help keep the basement cool in the summer months, reducing the energy used for air conditioning.

Where should I put the heat pump water water heater? How big does the space need to be?

Basements, utility rooms, and laundries are great locations for a heat pump water heater. Pick a spot that will not be frequented by occupants, and position it away from bedrooms and living spaces to fully mitigate any noise concerns. Heat pump water heaters mildly dehumidify the air around them, so they can be a helpful addition to a root cellar or pantry. You can locate the water heater in a small space as long as there is adequate airflow. This can often be achieved by installing a louvered door and grills or grates or similar air gaps.

What size heat pump water heater do I need?

You need the same size as for a conventional water heater. For a home with two occupants, you should choose a 40 or 50-gallon unit. For 2-4 people, you should choose a 66-gallon unit; and for more than 4 people, a 75 or 80-gallon unit.

Will a heat pump water heater reduce my energy bills?

A heat pump water heater will reduce your energy costs for hot water by 65% compared to a conventional electric water heater, and by 75% compared to a propane water heater. Your energy costs for hot water will be about the same with a heat pump water heater compared to an efficient natural gas water heater.

Are heat pump water heaters more efficient than conventional water heaters? What is the uniform energy factor?

Heat pump water heaters are much more efficient than gas, propane, or conventional electric water heaters. The uniform energy factor (UEF) is the new metric for rating the energy efficiency of water heaters. The higher the UEF, the higher the efficiency. Heat pump water heaters have UEF ratings between 3.0 and 3.5, while “efficient” gas and propane water heaters have UEF ratings between 0.65 and 0.70. Conventional electric water heaters have UEF ratings of about 0.95.

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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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