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.
Archive for the ‘service’ Category:
2024-01-20 Subtropolis – 55 Million Sq.Ft. Salt Mine & Underground Storage Facility
Subtropolis is 1100 acres underground cave left over after the salt was mined. https://www.facebook.com/reel/302691279431108?mibextid=zAoTV8&s=yWDuG2&fs=e
2023-11-14 Amsec, Gary Lorenz, John Darjany – history of campus card
I finally found a bit of history about Gary Lorenz. He and I were high school friends. In 1972 he and John Darjany founded a company, Amsec, to make a “campus card system” for California Polytechnic University, Pomona. In 1974, Amsec was purchased by R.D. Products. A brief history of the campus card industry This
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2023-08-07 Auto ECM Electronic Repair – A New Business Opportunity
This is a quote from a post in a group about auto ECM – electronic control module – repair. “”Andrew Brown 12h To the young budding electronics techs out there – listen up. This is a potential opportunity for you to build a decent business with pretty dedicated customers. (No involvement on my part.) The
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