Heat Timer Corporation

What is a Domestic Hot Water System? A Domestic Hot Water (DHW) system provides potable hot water to our sinks, showers, and tubs and other places where hot water may be ingested by, or come in direct contact with humans. This is as opposed to non-potable water which is not suitable for drinking and other domestic purposes but may be used for hydronic heating, industrial cleaning and other applications. Most plumbing codes specify that all piping, components, and heat-transfer devices in contact with the potable water shall be intended for use in potable water systems. Typical commercial DHW systems consist of one or more boilers that provide a reserve of hot water for use. Since demand for hot water is not uniform across the day, DHW control systems are sized to try to balance the costs of heating large tanks of hot water, while still being able to meet the anticipated demand during a peak period (usually when people are getting ready for work in the morning) Key Parts o

Improvements in the affordability of building management systems, and improvements in digital literacy across the country and across the globe, have increased the prevalence of building automation and energy management systems in almost every walk of life. Consumers are well aware of home automation systems like Amazon Alexa, Google Home, and Apple Homekit, and the commercial world has its own 800lb gorillas. Historically, full scale building management systems were the province of large budget building operations, costing anywhere from $2.50 to $7.00 per square foot to implement, or close to $250,000 for a 100,000 square foot building. ROI was a challenge for all but the largest buildings and even then, it took 4 or more years to recover costs through energy savings. It was only a matter of time until these systems came down in cost and complexity to be financially feasible for smaller operators. After all, it is actually smaller buildings which dominate the commercial