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01 Mar Leveraging Custom SkySpark Dashboards to Improve Building Operation and Save Energy

Posted at 08:06h in Analytics, Commissioning, Energy Management, HVAC, SkySpark, Sustainable Labs by Raphael Vitti 0 Comments

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SkySpark collects and stores data from any number of sources and provides an open analytics platform that can be programmed to automatically make sense of the data and provide insights on a building or a portfolio of buildings. This open platform can be customized to a...

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22 Feb What Changes to Title 24 Commercial Refrigeration Requirements Are Coming in 2019?

Posted at 08:23h in Commercial Real Estate, Commissioning, Energy Efficiency Industry, Energy Policy, Grocery by Jim Kelsey 0 Comments

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On January 1st of 2020, new changes go into effect for Title-24, California’s energy efficiency standard for commercial buildings. Neil Bulger has a nice summary of changes to HVAC, and a bit on lighting. But what’s happening with refrigeration in supermarkets? There are two important changes...

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15 Feb How to Assess a Regression’s Predictive Power for Energy Use

Posted at 08:03h in Analytics, Commercial Real Estate, Energy Audits, Energy Management, M&V by Meera Sharma 0 Comments

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You created a regression model of your building’s energy use and now want to use its predictive capabilities. How do you go about assessing your model’s predictive power? As I mentioned in an earlier post, you want to steer away from focusing on a singular...

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08 Feb How To Optimize Your Condensing Boiler System For Maximum Energy Savings

Posted at 08:18h in Commissioning, Energy Audits, HVAC by Ryan Swanson 0 Comments

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I first encountered condensing boiler woes when conducting an energy audit for a winery which had retrofitted its conventional boilers to condensing boilers. Operating with a supply water temperature of 180°F and a return water temperature of 140°F, the boilers never operated in condensing mode...

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01 Feb Our Top 3 Tools for Analyzing Energy Trend Data

Posted at 08:17h in Energy Audits, M&V by Jim Kelsey 0 Comments

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Trend data analysis one of the most powerful approaches for finding wasted energy in buildings. Each year the amount of data that your building automation system (BAS) can provide is more – literally faster, better and cheaper. But how to you make sense of your...

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25 Jan What Happens to Energy Efficiency When PG&E Files for Bankruptcy?

Posted at 08:09h in Energy Efficiency Industry by Jim Kelsey 0 Comments

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Graph credit: www.marketwatch.com One of my mantras this year at kW has been to try to minimize uncertainty. Uncertainty is bad for business – it stalls decisions, makes your colleagues nervous, anxious and stressed, and generally sows the seeds for trouble. Well best laid plans… between...

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18 Jan Under the Hood of Your Building: Verification Is Essential for Optimized Building Energy Use

Posted at 08:14h in Analytics, Building Controls, Commissioning, Retro-Commissioning by Duane Kubischta 0 Comments

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Trust, but verify. Seems reasonable, but sometimes in commissioning I think ‘always verify’ is a better phrase. Investigation is key in retro-commissioning We were completing a retro-commissioning project on community college building in Southern California and noticed something off in the trend data. The economizer on two...

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11 Jan How to Get the Most Value from Your ASHRAE Energy Audit Report

Posted at 08:12h in Commercial Real Estate, Energy Audits by Kris Johnson 0 Comments

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If you reside outside the world of energy efficiency, you might not be familiar with an energy audit. Perhaps you just want to reduce operating expenses by lowering your utility bills? Maybe you need to meet corporate sustainability goals? An energy audit can be the...

05 Jan Remembering One of Our Family, David Struck

Posted at 08:43h in Careers, Energy Efficiency Industry, Schools K-12 by Kris Johnson 0 Comments

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The end of this year brought about an unexpected and tragic loss to our kW team, when our friend and college David Struck passed away suddenly. Here at kW, it’s like working with family, not to sound cliched, but it’s true. So, in November when...

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28 Dec Identify energy savings with a graph? Data visualization for portfolio lighting energy use says yes.

Posted at 08:08h in Building Controls, Energy Audits, Energy Management by James Donson 0 Comments

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You can evaluate energy performance and target energy saving projects using graphics like in the case of one of our portfolio clients where we evaluated lighting control system performance looking at lighting power density (LPD) and energy use intensity (EUI). Data visualization is one of...

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Blog

01 Mar Leveraging Custom SkySpark Dashboards to Improve Building Operation and Save Energy

22 Feb What Changes to Title 24 Commercial Refrigeration Requirements Are Coming in 2019?

15 Feb How to Assess a Regression’s Predictive Power for Energy Use

08 Feb How To Optimize Your Condensing Boiler System For Maximum Energy Savings

01 Feb Our Top 3 Tools for Analyzing Energy Trend Data

25 Jan What Happens to Energy Efficiency When PG&E Files for Bankruptcy?

18 Jan Under the Hood of Your Building: Verification Is Essential for Optimized Building Energy Use

11 Jan How to Get the Most Value from Your ASHRAE Energy Audit Report

05 Jan Remembering One of Our Family, David Struck

28 Dec Identify energy savings with a graph? Data visualization for portfolio lighting energy use says yes.

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