The company has released two condensing gas boilers, Models 550 and 750. Features include 93.9% thermal efficiency, 94% combustion efficiency, low NOx certification, PVC venting for direct vent and direct exhaust, and 20% to 100% modulation.
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.