The Vaporstat(tm) Model 902 humidity sensor from Telaire (Goleta, CA) is designed to provide absolute humidity measurement and control of humidity. Features include an infrared sensor that measures the
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.