As we approach the new requirements for the new 2015 IECC – International Energy Conservation Code we will be faced with the challenge of interpretation more than ever. The sections for Lighting Controls has been simplified to either use an occupancy sensor or time-switch controls. Of course, t
When designing a variable volume chilled water system, there are two main types of distribution systems to choose from: a variable-primary system or a primary-secondary system. Both of these options are effective means for hydronic distribution for most building types (i.e.