This catalog highlights the company’s direct gas-fired makeup air options. Included is information on the 80/20 recirculation air option with two-position damper control, potentiometer control, building pressure control, and manual quadrant damper control;
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.