The Business Case for Health Care Reform in the United States

Posted by Rachael Straub on Nov 15, 2017 12:32:00 PM

While this is off the topic of energy efficiency and optimized building functionality, it’s relevant to sustainability, specifically the long-term health of businesses and the people they employ. The United States’ health care system is in crisis. As a nation, we spend over twice the amount on health care than other developed countries, but rank last in terms of health care outcomes, such as equity, efficiency, and mortality rates (see: How Bad is U.S. Health Care?). As the cost of health care rises, the financial hardship of staying well not only burdens those who need help the most – the sick and the poor – but also those businesses committed to providing health care to their employees.

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Topics: Sustainability, Public Policy

Can We Transition to Renewable Energy Systems without Government Support?

Posted by Eveline Killian on Nov 9, 2017 10:00:00 AM

According to various studies, the United States is beating its energy reduction and renewable energy production goals beyond any federal predications.  Total energy consumption in 2016 was 17% lower than expected, wind power production was 79% higher, and solar production was 383% higher than the United States Department of Energy predicted in a February 2007 report, as stated in the October 5, 2017 Statista Portal.  In addition, a 2017 U.S. Energy and Employment Report finds that 45% of the 1.9 million workers in the Electric Power Generation and Fuels technologies are in the low-carbon emission generation technologies (renewables, nuclear, and advanced/low emission natural gas).

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Topics: Sustainability, Public Policy, Energy Efficiency

Designing Buildings for Resiliency To Accommodate Power Failures

Posted by Jennifer Chiodo on Nov 1, 2017 10:00:00 AM

I’m writing this blog from the floor of the Andover Public Library in Andover, MA. After a major windstorm, power is out all over New England and people are scurrying for the few available power outlets and sources of internet.

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Topics: Building Cx & Design Review, Public Policy

How to Tell When It’s Time to Start The Retrocommissioning Process

Posted by Walker Calderwood on Oct 4, 2017 10:00:00 AM

There have been many blog posts by Cx Associates’ staff on the benefits of retrocommissioning (RCx), or the best way to begin the RCx process, and even posts on how to increase RCx adoption through efficiency programs.  All of these are great posts and I encourage reading them to gain a better knowledge of RCx.  Even though many buildings can benefit from RCx, there are some buildings that are actually not good candidates for it. So how do you know if your building is a good candidate for RCx?  In this post I am going to give some examples that building owners, operators, and occupants can use to identify whether their facility can benefit from RCx, and determine when it is time to start the RCx process.

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Topics: Building Performance & Technology

Designing a High-Performance Building for Antarctic Conditions

Posted by Gretchen Schimelpfenig on Sep 20, 2017 10:43:22 AM

The process of designing and constructing a highly efficient, comfortable, and healthy building is challenging enough when the site is in the United States; that becomes a much more difficult endeavor when the site is on the most remote and coldest place on Earth. The design team for the new McMurdo Station in Antarctica approaches the problem with a holistic mindset centered around stewardship.

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Topics: Energy Efficiency, Building Performance & Technology

No Touch Energy Audits Can Reduce Cost & Increase Granularity of Data

Posted by Daniel Tuhus-Dubrow on Aug 30, 2017 10:00:00 AM

Recently, I’ve been getting excited about so-called “no touch” energy audits, which employ meter data analytics to assess a building’s energy performance and even make specific recommendations regarding potential improvements, all without requiring the (expensive) “boots on the ground” of a traditional energy audit. This idea has been getting a lot of attention over the past few years as the increasing availability of 15-minute electric interval data has met with the “big data” revolution. In this post, I’m going to take a quick walk through various analysis techniques, moving from coarser to finer granularity.

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Topics: Building Performance & Technology, Evaluation Measurement & Verification (EM&

ASHRAE Guideline 36: Benefits of Real World Implementation

Posted by Rick Stehmeyer on Aug 23, 2017 2:00:00 PM

Back in 2015 I wrote a blog post about ASHRAE Guideline 36 - High Performance Sequences of Operation for HVAC Systems.  I referenced a spec my team at Cx Associates wrote for a BAS controls upgrade.  Now in 2017, that spec, and the sequences contained therein, have been made into a fully functional BAS controlling 14 air handlers (AHUs), over 90 variable air volume boxes, and the central plant that serves them.  Our firm artfully adapted the sequences to meet the needs of the building owner and the function of the building (healthcare) without sacrificing the high degree of complexity which yields the energy savings building automation systems have been promising for decades.  After working on this project from specs to implementation, I can confidently say that Guideline 36 can deliver a reduction in energy consumption and improved comfort.  The cost (excluding the norms of engineering labor, BAS reprogramming, and commissioning) is primarily paid through raising all ships.  Let me explain.

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Topics: Standards and Metrics, Building Performance & Technology

Quantifying Our Firm’s Carbon Footprint – Where to Start?

Posted by Rachael Straub on Aug 16, 2017 10:00:00 AM

Early this year, Cx Associates and the Vermont Green Businesses Network (VGBN) were awarded the Burlington 2030 District Director contract. Cities and towns that become an established 2030 District commit to the Architecture 2030 Challenge, which requires all new buildings, developments, and major renovations to be carbon-neutral by 2030. Cx Associates and VGBN, as the Burlington 2030 District Director, are tasked with developing a roadmap for the newly established Burlington District and assisting it to become self-sufficient.

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Topics: Sustainability, Standards and Metrics

Understanding Electronically Commutated Motors

Posted by Eveline Killian on Aug 2, 2017 10:00:00 AM

Although electronically commutated motors (ECMs) are specified in efficient buildings, and energy efficiency programs provide incentives for their installation, I only had a cursory understanding of the difference between this technology and traditional shaded pole or permanent split capacitor type motors.  What makes ECMs more efficient?

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Topics: Energy Efficiency, Building Performance & Technology

An Energy Efficiency Horoscope

Posted by Jennifer Chiodo on Jul 26, 2017 10:00:00 AM

Imagining an energy efficiency horoscope for three of its most promising players …

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Topics: Energy Efficiency

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