Refrigeration Applications: Andy talks about HFOs, a family of refrigerants that cause deeply divided opinions. ow.ly/obarR
August: What are the prospects for CO2 refrigeration? ow.ly/ndhkd
August: Are natural refrigerants able to compete with other refrigerants on efficiency and running costs? ow.ly/ndh9n
August: What's the best way to tackle an OPR document? ow.ly/ndgT0
July: The beginnings of ASHRAE and IEQ intertwine in the tenements of turn-of-the-century NY. ow.ly/mrXXW
July: Ventilation won't save you from doing stupid things, says Joe. ow.ly/mrXJJ
July: "Comfort vs. Energy Use" Should comfort always trump energy use? ow.ly/mrXzw
July: "Big Plant in a Small Space" How do you double chiller plant capacity in less than half the space? ow.ly/mrX2Q
July: What pitfalls need to be avoided when specifying sound levels? ow.ly/mrWOR
June: What are eight of the most common mistakes made in energy models? ow.ly/lirvH
June: Authors discuss the vital need for standardized data on VFD performance. ow.ly/lirm4
June: Designers used a central plant heat recovery system to make a hospital highly energy efficient. ow.ly/lir8N
May: Andy tackles a word frequently used when discussing refrigeration systems, but seldom understood: "direct." ow.ly/kC6wK
May: Joe says "...things get irritating code-wise if we want to control other things besides fire—like water and energy."...
May: Authors discuss 90.1 addendum that would set common baseline building that wouldn't change in future versions. ow.ly/kC4cc
May: VAV Reheat Versus Active Chilled Beams and DOAS ow.ly/kC32C
March: Is CO2 a pollutant? A column reports on research on cognitive function at different levels of CO2. ow.ly/i6IOx
February: How can ammonia be used in low-charge systems to maximize efficiency while minimizing risks? Excerpt: ow.ly/hSDM2
