Anyone can buy a bunch of high-quality components, stick them together, keep the water on the inside, and call it a hydronic heating system. It’s not that difficult. The real skill of an exceptional professional lies in understanding what these different components do and then picking the ones that will work together best for each individual system.
These 150- to 1,000-gallon electric water heaters are available in 12-162 kW configurations and feature 150-psi ASME code glass lining, ASME temperature and pressure reducing valves (PRV), internal fusing (above 120A), and magnesium anode rods.
VRF systems have become very popular in the commercial market and are expected to gain even more market share in the coming years. Each system type comes with its own unique set of benefits, and as long as building owners and managers remain open minded, they may be surprised at the possibilities now available.
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is calling on the U.S. Department of Energy (DOE) to follow its own procedures when promulgating rules, and is seeking suspension of a current rulemaking for revising commercial boiler efficiency standards until its established process is followed.