Heat Pump Water Heater 101 - 2025 with Eric Aune

In this episode of the Build Show Matt and master plumber Eric Aune break down the essentials of heat pump water heaters. They explain how these units work by transferring ambient heat into the water tank—making them about four times more efficient than traditional electric heaters. The conversation covers advancements over the past 15 years, installation considerations (like minimum space and ducting), pros and cons of various models, and the importance of regular maintenance such as flushing and replacing the anode rod. They also highlight sound levels, power requirements (110V vs 240V), and features like powered anode rods and smart alerts. The discussion emphasizes proper sizing and compatibility with solar systems for all-electric homes. Eric Aune’ s SanCO2 Split Heat Pump video: https://buildshownetwork.com/contents... REGISTER FOR BUILD SHOW LIVE 2025 HERE - https://www.youtube.com/mattrisinger?... Get your BUILD SHOW Gear Here - https://build-gearstore.com/ Subscribe and follow my Podcast on Apple or Spotify! Apple: https://apple.co/32AOwgU Spotify: https://spoti.fi/3FXNg4X Sign up for our twice-weekly newsletter: https://buildshownetwork.com/newsletter To sponsor a video or advertise with us visit: https://www.buildproductions.com Want to learn more about building? http://thebuildshow.com/ The Build Show on Instagram:   / thebuildshow   Huge thanks to our Show sponsors Builders FirstSource, Huber, Pella & Viewrail for helping to make these videos possible! These are all trusted companies that Matt has worked with for years and trusts their products in the homes he builds. We would highly encourage you to check out their websites for more info. https://www.bldr.com http://www.Huberwood.com https://www.pella.com https://www.Viewrail.com