Heat pumps should be included. https://open.substack.com/pub/mliebreich/p/why-every-sankey-diagram-youve-ever?utm_source=share&utm_medium=android&r=1xb5kj September 22 is the first day of autumn.
Archive for the ‘HVAC’ Category:
2025-08-12 DIY Rocket Engine!
OMG! https://www.facebook.com/TheBackyardScientistOfficial/videos/970125545097522/?mibextid=9drbnH&s=yWDuG2&fs=e Here’s how to make rocket fuel https://www.facebook.com/TheKingOfRandom/videos/3916373305264694/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-06-19 When Will Extreme Heat Become Unlivable?
This 12 minute PBS Weathered video explains wet bulb temperature and shows some good maps and graphs. She tells how humans (and other living things) cannot keep cool when the humidity rises and causes the wet bulb temperature to rise. The person’s core temperature rises and they have heat exhaustion or heat stroke. This can
(Read More…)
2025-06-01 Dark Roof Lobby Making Your City Hotter
This is a Floodlight article about Dark Roof companies and lobbyists trying to eliminate the laws cities are passing to make roofs white. https://floodlightnews.org/this-little-known-dark-roof-lobby-may-be-making-your-city-hotter/?ref=im-a-reader-newsletter
2025-05-15 Redlining Shaped The Power Grid. Communities Of Color Are Still Paying The Price.
Good Floodlight article about electric grids in neighborhoods and how the poor are suffering – inequality. https://floodlightnews.org/redlining-shaped-the-power-grid-communities-of-color-are-still-paying-the-price/?ref=im-a-reader-newsletter
2025-03-21 Magnetothermal Refrigerator Is More Efficient
This system uses a heater and cooler that is fixed with transfer into moving fluids. I wonder if they have tried changing it to a system where the heater and cooler is like a regular refrigerator where the heater and cooler moves around with the transfer into fixed locations. So the magnetothermal metal would move.
(Read More…)
2025-03-16 Hot Bricks Store Heat For Use Later To Make Steam To Make Electricity
This short Ted Talk about storing heat in bricks. https://www.facebook.com/reel/2423128204690212/?mibextid=9drbnH&s=yWDuG2&fs=e
2024-10-10 Interlocking brick construction – Dutch
Uses plastic inserts that eliminate mortar. Foam insulation keeps the temperature stable. https://www.facebook.com/reel/556593630136636/?mibextid=9drbnH&s=yWDuG2&fs=e
2024-05-22 Immersion Cooling Servers, Datacomm Equipment
That’s hard to believe! I would just put the equipment in a sealed rack with a lot of well filtered airflow. Someone suggested Fluorinert. https://www.facebook.com/reel/464912799258554?mibextid=9drbnH&s=yWDuG2&fs=e
2024-04-07 Esbjerg Changes To Heat Pump City Heating System
The city of Esbjerg, Denmark is replacing its coal fired city heating system with an amazing giant heat pump, biomass boilers and waste burning boilers. The refrigerant is CO2. Read the description. This is a long 43 minutes but is very comprehensive and interesting. The cost is about 40 million Euros.
