"V-A Select" from Vibro-Acoustics (Scarborough, ON, Canada) is said to allow user-friendly acoustical analysis of hvac duct systems with cost-effective silencer selections to meet project requirements. Fan/duct system acoustical
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.