AMCA's Standards 510-03, "Methods Of Testing Heavy Duty Dampers For Rating" and 520-03, "Laboratory Methods Of Testing Actuators," proposed American National Standards, are now available for public review and
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.