Recently, I investigated the use of a variable refrigerant flow system with ground loop condensing for a school HVAC renovation. For the building in question, the ground loop was estimated to cost $405,000, and the savings produced would be expected to show an 8-10 year payback in order to be considered. I used Mitsubishi equipment as... Continue Reading →
What is the most energy efficient commercial HVAC system available?
If you do a google search with those search terms, you won't get any exact hits. The hits you get will be regarding residential systems, which are much simpler. For residential applications, only the efficiency of the equipment itself (condensing unit and matching indoor A coil) is considered, not system efficiency or the combined efficiency... Continue Reading →