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Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, shading, access control, security systems, and other interrelated systems.
Early home automation began with labor-saving machines. Self-contained electric or gas powered home appliances became viable in the 1900s with the introduction of electric power distribution [3] and led to the introduction of washing machines (1904), water heaters (1889), refrigerators (1913), sewing machines, dishwashers, and clothes dryers.
Typically an induction heater operates at either medium frequency (MF) or radio frequency (RF) ranges. [1] Four main component systems form the basis of a modern induction heater the control system, control panel, or ON / OFF switch; in some cases this system can be absent; the power unit (power inverter) the work head (transformer)
The urgency for a reliable pool alarm system has never been greater. According to a recent report from the Centers for Disease Control and Prevention , over 4,500 people drowned each year in the United States from 2020 to 2022, marking an increase of about 500 drownings each year compared to 2019.
Bans on large gas-fired units and pool heaters will begin in 2027, and high-temperature units in 2029. Gas-fired water heaters will be banned from existing buildings once the appliances reach a ...
A simple rule-of-thumb for the required panel area needed is 50% of the pool's surface area. [43] This is for areas where pools are used in the summer season only. Adding solar collectors to a conventional outdoor pool, in a cold climate, can typically extend the pool's comfortable usage by months and more if an insulating pool cover is used. [31]