Running hot and cold.Ensuring optima[ indoor air quality and energy savings is important, especially with today's high Today's High The intra-day high trading price.Notes: In other words, this is the highest price that a stock traded at during the course of the day. More often than not this is higher than the closing price. See also: Today's Low energy costs. The fan coil version of the Xenta 121 controller by TAC can help. The controller can be used in both two- and four-pipe installations and configured for use with a variety of valve actuators. The heat pump heat pump: see air conditioning. controller handles both reversing and isolation valves and can be configured for up to three compressors. It offers heating, cooling, and secondary heating, and users can define up to three heating and cooling stages. The unit's demand-based, multifunctional fan control program Software that controls the operation of and has highest priority in a computer. Operating systems, network operating systems and network control programs are examples. Contrast with application program. handles both multistage and variable speed fans to ensure the right amount of air for optimum comfort and for greater energy efficiency. Room occupancy sensors, window contacts switches, outdoor temperature sensors, and CO2 and relative humidity relative humidityn. control are all available features. The 121-FC (fan-coil) is $544 and , the 121-HP (heat pump) is $581. Visit www.tac.com. The ratio of the amount of water vapor in the air at a specific temperature to the maximum amount that the air could hold at that temperature, expressed as a percentage. [ILLUSTRATION OMITTED] |
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