The Earth is what we all have in common.–Wendell Berry
A few years ago, I helped a hundred year old local high school modernize. Elder High School is a well known Catholic west side boys school with a strong alumni base. The original building was built in 1922 and there were major additions in 1959 and 1963. The school enjoyed a lot of support from... Continue Reading →
It’s the holidays and the end of the year. We have a new president, and I will be very surprised if the result of this is a positive change in energy policy and climate change plans. I attended a seminar a couple of weeks ago and the speaker related the story which got him involved... Continue Reading →
A heat recovery chiller is a traditional screw type chiller where the heat of condensing is absorbed by a water loop, which is then used for heating. Typically, the temp of the water produced by the heat recovery chiller is not high enough to do stand alone heating, and the higher the temp of water... Continue Reading →
Writing about ground source heat pumps yesterday reminded me that people often refer to them as geothermal, which is a misnomer. Groundsource refers to installing a pipe in the ground and circulating water through it, and transferring the heat of the ground indirectly to heat or cool. Geothermal is a much rarer source of energy,... Continue Reading →
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 →
The recent cold temperatures reminded me of a situation that I encountered a few winters ago. This is a VRV condensing unit in its first year of winter service. Can you guess what the problem is here? It isn't a malfunctioning de-icing cycle. The outside temps were around freezing when this happened, and it didn't... Continue Reading →
If you are in a job position where you must spend large amounts of your day on detailed work, it can be difficult to switch over your thinking mode to strategy when you need to. You may find that you wake up, full of energy and ideas, and plan to make that important strategic call... Continue Reading →
Innova Engineering, Inc. is a Cincinnati, OH engineering firm specializing in energy efficiency for commercial buildings, renewable energy evaluation and design, utility incentive applications, LEED commissioning and construction loan verification. Innova Engineering is State of Ohio EDGE certified. Contact us at mramos@innovaengineers.com
Innova Engineering, Inc 