This brochure, Guide to Respirators for Abatement and Mold Remediation, includes product and ordering information on 3M Occupational Health & Environmental Safety's line of respirators, filters, and cartridges. Also
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.