Search Results for: heat pump

Heat Water Wisely When Designing and Building Sustainable Homes

Once space heating and cooling has been addressed, water heating methods – the second largest opportunity for efficiency improvement – must be considered. To optimize energy efficiency in a zero…

Six Steps to Success with Heat Recovery Ventilation

…air by transferring warmth from the stream of outgoing air. A heat exchanger can capture between 70% and 95% of that heat to reduce the energy needed to heat incoming…

Energy-Efficient Low-Income Apartments 

…or highly energy inefficient heating and cooling systems with highly energy-efficient heat pump HVAC systems.   The Right Heat Pump HVAC System There are many choices of heat pump HVAC…

Fresh Air Systems – Balanced Whole House Ventilation

…conventional ERV core with a heat pump. The units provide heating and cooling as well as ventilation, so they are fundamentally different from devices aimed mostly at providing fresh air…

Zero Energy Homes: Tunneling Through the Electrification Cost Barrier in Cold Climates

…climate zone 6) and 10 percent of the time in Duluth, Minnesota (representing climate zone 7). Heat pump water heaters (HPWH) also utilize electric resistance backup heat for when heat…

The Zero Energy Home Design Process

High-performance homes, especially those striving to achieve net zero energy performance, employ a number of energy efficient materials and construction practices that need to be integrated into the earliest phases…

The Many Benefits of All-Electric Design

…heat pump water heater is $70 less per year to operate, which corresponds to a savings of about 40% compared to one of the most efficient gas water heaters. Additionally,…

Product Spotlight: Smart Energy Recovery Ventilation with CERV2

…freezing. The heat pump is used for energy recovery and fresh air conditioning in ventilation heating and cooling modes while in recirculation heating and cooling modes, the heat pump is…

Join the Movement, Make a Difference: Electrify Your Home

…heat pump for heating and cooling. See chapter 3 for more details. Prepare for a Heat Pump Water Heater: Determine whether or not your current water heater is gas-powered and…

Texas Blackouts Offer a Lesson for Reducing Dangerous Spikes in Energy Demand

…in Texas and surrounding states could also be reduced in more than 40% of homes by replacing inefficient electric resistance heating systems with modern heat pumps. They use remarkably little…

We Have Met the Enemy and It Is Waste

…of waste involving combustion include water heating, conditioning inside air, and cooking. A conventional tank-style water heater burning fossil methane is about 61% efficient. Even super efficient tankless water heaters…

Using Energy Modeling to Get to Zero

…built in 2015. It’s super insulated, very airtight, uses a mini-split heat pump for heating and cooling. Hot water is supplied by a heat pump water heater. There is a…

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