Blatt is an energy utilization consultant based in Mountain View, CA, and has over 30 years experience in commercial building energy efficiency research. His consulting projects have included research on advanced space heating and cooling technology for the DOE, California Energy Commission, and the Electric Power Research Institute. He is an ASHRAE fellow and is active on several ASHRAE Technical Committees.
What was a primarily residential technology is ready for larger commercial settings. What was primarily embraced overseas is building momentum in the U.S. This update traces VRF progress, examines some strengths and weaknesses, and spans the globe in an effort to compile some cost comparisons with other alternatives.
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.