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What is a rocket mass heater?

paul wheaton · explainer · Watch on YouTube

Power grid, heating & buildingsHome, DIY & practical skills

What it is

A two-minute explanation of what a rocket mass heater is, starting from how a conventional wood stove works and why creosote and chimney fires occur. It shows how burning hot and storing the heat in thermal mass makes for an efficient heater.

Why Hacker News recommends it

Linked as the quickest way to grasp the rocket mass heater concept in threads on heating and thermal storage.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2018, last 2022

What HN commenters said

  1. “Mass rocket stoves are _incredibly_ efficient.”

    Shows a full rocket mass heater and its efficiency.

    michaelbuckbee, 2018-10 · Recommendation · in “Heat Storage Hypocausts: Air Heating in the Middle Ages (2017)”

  2. “3m video explains the concept; longer videos will better explain it”

    Short video explaining the rocket mass heater concept.

    mikeytown2, 2021-02 · Recommendation · in “What went wrong with the Texas power grid?”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: rocket mass heater, wood stove, thermal mass, home heating, permaculture

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