NEEA Study Provides Insight on the Future of C-RTUs

This report was originally prepared for and published by NEEA. Condensing rooftop units (C-RTUs) have been identified as an efficient natural gas technology with energy savings potential in Northwest commercial buildings. C-RTUs face several challenges in becoming a widespread technology, including higher upfront cost, added complexity managing condensate, contractor unfamiliarity with the technology, and limited […]

carbon-neutral Christmas-lights-VRF space heaters

Ask the Expert: When Does VRF Make Sense?

When Does a Variable Refrigerant Flow System Make Sense? Chris Zimbelman and Adam Allington for Zondits, June 2, 2015 In order to understand what the best applications are for variable refrigerant flow (VRF) systems, we should back up and discuss their operation and benefits first. VRF systems are a sophisticated type of air-source (or occasionally […]