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Energy Intelligence

​Ne
ws and Thoughts...From The Office, In The Field and Beyond

We will share our insights as we use
our 50+ years of building ​operations
experience and as we co
ntinue to learn.​

Engineered Solution: A Healthy Alternative to a Simple Replacement

3/8/2016

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One of the best pieces of advice I was given 17 years ago starting out as a young building engineer was that buildings act much like living breathing things. My mentor instructed, "You need to watch how they respond when you make changes." In this tutoring session, he was talking about adjustments to the building automation system or turning on/off equipment - monitoring the building differential pressure, water temperature flows, etc. Another part of understanding how the building responds is not so instantaneous but rather an effect on equipment operation over time.

By performing preventive or predictive maintenance, you are having a check up performed: test the vitals, check the blood, and assess overall heath and condition. In our buildings, monitoring operating conditions can help understand what may be going on with our equipment. Sometimes failure occurs and it's clear a new system is needed. In other cases, the equipment continues to operate, drain the budget, and limp along. Is the air temperature that was once able to stay comfortable now always fluctuating? Do you continue to have problems with the same cooling systems?

Matt Napolitan and Brent Weigel of Cx Associates http://www.cx-associates.com/ developed a helpful checklist of scenarios where you can benefit from an engineered retrofit. An engineered retrofit is a replacement or upgrade of equipment or systems right-sized alternative tailored to today's end use requirements. These are 8 examples of when to consider engineered retrofits:
  • Multiple pieces of equipment are near the end of service life -Higher efficiency potential in another system type
  • Better align system type with maintenance capabilities
  • Reduce system complexity
  • Fuel switching
  • Opportunity for central plant integration
  • Change in end use
  • Equipment / System consolidation
Is an engineered retrofit right for you? Not sure if there is an opportunity? Getting good advice is imperative! You have to live with the result long after the warranty expires, the rebate check is cashed, or the vendor has moved on to the next sale. Share your scenario with us and you can use our 50 years of building operations experience to help you answer that question.
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    Justin Kale is the Director of Opportunity Development for Energility, LLC

    I'm just an energy nerd with a passion for efficiency. We want to share our lessons learned and exciting stuff we are working on.

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