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Will Brownsberger

STATE SENATOR

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environment » carbon and climate » building energy »

Building Energy

deep energy retrofit

A missing number in the heat pump conversation

We don’t know enough about heat distribution patterns after whole home heat pump conversions.

Posted byWill BrownsbergerMay 7, 2024May 10, 2024Posted inBuilding Energy26 Comments on A missing number in the heat pump conversation

The Typical Refrigerant Leak

Reviewing my recent posts about refrigerant leaks, a seasoned energy evaluator responded with an email including this extended comment which rings very true to me.

Posted byWill BrownsbergerApril 12, 2024April 15, 2024Posted inBuilding Energy9 Comments on The Typical Refrigerant Leak

Heat pump monitoring survey

This direct survey of consumers finds leak rates higher than industry estimates.

Posted byWill BrownsbergerMarch 31, 2024March 31, 2024Posted inBuilding Energy2 Comments on Heat pump monitoring survey

Our heat pump efficiency revisited

With leaks fixed, the final results of efficiency measurement are pretty good for both of our pumps.

Posted byWill BrownsbergerMarch 20, 2024May 7, 2024Posted inBuilding Energy5 Comments on Our heat pump efficiency revisited

Measuring heat pump performance

This post details our approach to measuring the performance of the two heat pumps in our two-family home in the current heating season.

Posted byWill BrownsbergerDecember 27, 2023February 22, 2025Posted inBuilding Energy1 Comment on Measuring heat pump performance

Learning from Maine

Recently, many have celebrated Maine’s achievement of 100,000 heat pumps installed. It’s really a good-news/bad-news story.

Posted byWill BrownsbergerDecember 9, 2023December 12, 2023Posted inBuilding Energy17 Comments on Learning from Maine

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