Berkeley Lab is gathering information from the industry to better understand the costs and challenges of deep energy retrofit (DER) projects in homes. We are interested in DER projects that use a comprehensive, whole-home approach to drastically reduce energy use. Alternative approaches to deep savings are also welcome! Your contribution will help guide the future research agenda on this topic. 

There are two ways to contribute:

  1. Anonymously share detailed DER project cost and work scope data with our team. The first 30 participants can each receive $300 for providing cost data if they submit a minimum of 5 projects.
  2. Respond to a survey of the DER market drivers, opportunities and challenges.

To clarify, we are looking for project data submissions that have cost resolution at the measure/task level. For example, a line-item $ cost to insulate the attic to R-60, and another line item $ cost to seal and insulate the ductwork, plus a separate line-item for HVAC heat pump costs, etc. 

For more information, please visit the project website. You may also respond to this post or email us at ProjectDERCosts@lbl.gov. Please forward this information to others in your network who you think could contribute to this work.  

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  • Thanks to those who have already contributed! To clarify, we need project data submissions that have cost resolution at the measure/task level. For example, a line-item $ cost to insulate the attic to R-60, and another line item $ cost to seal and insulate the ductwork, etc. Some submissions have included only a total project cost, with details about the measure scope. Unfortunately, this is not quite sufficient for our DER cost-stack benchmarking research. Thanks again!

    • An early preview from our ongoing Deep Energy Retrofits Survey. Our survey is open till June 30. Please share your thoughts with us by taking this survey now!

      Asides from costs, what are the biggest barriers when performing deep energy retrofits?
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      Deep Energy Retrofit Survey
      Berkeley Lab Deep Energy Retrofit Survey: Market Drivers, Opportunities and Challenges
    • Thank you for the following contributors who have responded to our Deep Energy Retrofit survey! 

      • Byggmeister, Inc., MA
      • Design AVEnues LLC, CA
      • ELEM3NTS-E3, Inc., CA
      • John Craig Construction, Inc., CA
      • United Way of Long Island, NY

      We can see there are 10+ more survey responses that are in progress. Please share with us your thoughts on market drivers, opportunities and challenges, to broaden the adoption fo deep energy retrofits.

      Take this survey now!

      Deep Energy Retrofit Survey
      Berkeley Lab Deep Energy Retrofit Survey: Market Drivers, Opportunities and Challenges
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