This article was originally written by Genoa Blankenship, pnnl.com, July 8, 2019 Greek mathematician and physicist Archimedes set off an historical evolution of the mechanical pump after he invented the screw pump around 200 BC. Despite the universal presence of the mechanical pump, a tool for moving gas or liquid, a replacement has long been […]
After six months of operation in a Norwegian hotel, an all-in-one CO2 heat pump saves 59-69% of energy compared to an electric boiler.
Researchers from the Technical University of Braunschweig and Volkswagen have found a CO2-based heat pump to be the most efficient of four options studied for mobile air conditioning (MAC).
Jesse Remillard, ERS, for Zondits A recent episode of the 99% Invisible podcast explores the origins of air conditioning (A/C) and how the widespread adoption of central air systems affected building designs thereafter. The 99% Invisible podcast is all about the things that largely go unnoticed but are essential to the modern world we live […]
Major U.S. retailer using MRBRAZ ammonia chillers for AC Ammonia 21, March 15, 2017 MRBRAZ & ASSOCIATES, an engineering design firm based in Azle, Texas, has designed and installed low-charge DX ammonia chillers that provide air conditioning in office space at about 10 warehouse locations run by a major U.S. retailer, including four in the […]
Condenser Units: When to Repair and When to Replace ACHR News, June 6, 2016. Image credits: stevepb CAUSE OF FAILURE Many things can cause an outdoor condensing unit to stop working, the most common of which are compressor and coil failures. Scott Merritt, owner of Fire & Ice Heating & Air Conditioning in Columbus, Ohio, also […]
The world is about to install 700 million air conditioners. Here’s what that means for the climate The Washington Post, May 31, 2016 In just 15 years, urban areas of China went from just a few percentage points of air conditioning penetration to exceeding 100 percent — “i.e. more than one room air conditioner (AC) […]