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Energy Efficiency and the Commissioning Agent
by Eveline KillianIn May I attended (and presented at – more on that in another post) the National Building Commissioning Association’s annual conference in Hartford, Connecticut. It was my first time...
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It Isn’t Easy Building Green
by Jennifer ChiodoI’ve been blogging on and off about the challenges I’ve been facing as I seek to build a high performance home. At this point we are looking at cutting back on energy performance, or...
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Retrocommissioning Field Lessons
by Eveline KillianPart 1: Performance Improvement and Proven Energy Savings I recently presented at the NCBC conference in Hartford, Connecticut on the lessons we have learned from our...
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Planning for an ASHRAE Level 2 Energy Audit
by Katie MasonIn a recent blog post, “The Benefits of an ASHRAE Level 1 Energy Audit,” I discussed the process of performing an ASHRAE Level 1 energy audit, which is the first step in the LEED...
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US Ranks 13th out of 16 in Energy Efficiency
by Jennifer ChiodoEnergy efficiency is a tremendous opportunity that we are squandering at the federal level. While many states have adopted aggressive energy savings goals and have committed the...
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Accounting for Uncertainty in Energy Savings Estimates
by Brent WeigelLet’s be honest with ourselves: when it comes to estimating the potential energy savings of proposed energy efficiency/conservation measures (EEMs/ECMs), there is uncertainty....
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Proven Energy Savings through Building Retro-Commissioning
by Eveline KillianThe least utilized part of the building commissioning process is the act of going back to a completed project and proving the monetary value of the commissioning work. This is an...
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Is a Cold Weather Heat Pump Right for Your Building?
by Walker CalderwoodBefore joining Cx Associates I worked as a sales engineer in western New York, with a specialty in Variable Refrigerant Flow and Ductless Split systems. With the new popularity of...
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Efficient Operation of Unoccupied Health Care Operating Rooms
by Brent WeigelHealth care operating rooms (ORs) are one of the most critical types of indoor environments. That means OR designers and operators tend to pay a high level of attention to OR HVAC...
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Metering Dollars Well Spent: Sizing a Replacement Chiller
by Ben FowlerReplacement Chiller Needed – But What’s the Cooling Load? We were hired recently by a commercial customer to work on the replacement of a ~120 ton chiller plant dating back to at least the...
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EM&V: Determining Energy Efficiency Program Performance
Have you ever wondered how utilities and energy agencies run energy efficiency programs for installing recommended products such as variable frequency drives and LED lighting? Evaluation, Measurement...
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How to Increase Adoption of Retrocommissioning Through Energy Efficiency...
The number one barrier to retrocommissioning is the upfront cost of the engineering study. In general, building owners cannot easily determine the potential value of such studies or understand the...
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