Source: Popular Mechanics / Darren Orf / June 10,2023
Today, there are two main types of electric water heaters—electric resistance water heaters and heat pumps. Each helps cut emissions simply by cutting out gas, and a new study by Australia’s Institute for Sustainable Futures argues that these water-heating machines could also be an indispensable tool for storing energy. In fact, electric water heaters could be more efficient at storing energy than electrochemical batteries, such as Tesla’s Powerwall.
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Balance Point HVAC Blog
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Variable-frequency drive, or adjustable-speed drive, is a compressor’s ability to control and adjust speed automatically within a specific range. It usually runs at a higher speed when switched on.
The energy intensity for cooling commercial buildings in the United States depends on the climate the building is located in. Energy intensity in buildings is the energy consumed per square foot of floorspace. U.S. commercial buildings in hot or very hot climates, which are primarily in the southernmost parts of the country, were more than six times more energy-intensive for cooling (14.2 thousand British thermal units per square foot [MBtu/sf]) than buildings in cold or very cold climates (2.3 MBtu/sf).
