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Green Building Blog

Best Practices for Achieving High-Performance HVAC Systems

Thu, Mar 14, 2019 @ 02:26 / by Jim Newman posted in HVAC, indoor air quality, High Performance Buildings, Energy Management Strategies, energy conservation

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Jim Newman recently contributed an article highlighting keys to designing and maintaining a higher performing HVAC system for maximum profitability.

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Advances in BEMIS Make Being Energy Efficient Easier and Smarter

Tue, Apr 17, 2018 @ 12:42 / by Jim Newman posted in HVAC, energy efficiency, Energy Use Index, energy management system, Building Energy Management Systems, indoor air qulity, Energy Management Strategies, BEMIS, Cloud Based BAS, energy conservation

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Energy Efficient. Cost Effective. That’s the goal of the building engineer or facility manager. Today’s building energy management information systems (BEMIS), combined with IoT (Internet of Things), makes being both energy efficient and cost effective not only possible, but so much easier – and smarter.

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What Does Sustainability Really Mean Today?

Tue, Jun 20, 2017 @ 05:34 / by Jim Newman posted in HVAC, Commercial Building, Green Building, LEED, LEED Cerified Buildings, Sustainability, Sustainable Design, environmental justice

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Use of the word sustainability, based on recorded mentions, skyrocketed starting in the early 1980s and has grown exponentially over the past 3 decades. In the past few weeks alone I have attended two exceptional programs on sustainability, and I see many more in the near and distant future as it becomes a hotter topic at the various green building and commercial real estate industry conferences to which I am invited.

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5 Common-Sense Steps After an Energy Audit

Mon, Jun 19, 2017 @ 02:28 / by Guest Blogger Bob Wells, www.hvactraining101.com posted in HVAC, Commercial Building, energy efficiency, Energy Savings, Energy Audit, High Performance Buildings

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Just have an energy audit done? Congratulations! It’s a great step toward saving money in both the short and long term, and toward creating a more environmentally-friendly building. But the audit is just the first step, not an end in itself. Don’t let it just sit on the corner of your desk, gathering dust! Whether it’s for business or home, here are some common-sense reminders of steps you can take to implement the audit.

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Sizing Up Equipment Selection for Energy Efficiency

Wed, Dec 07, 2016 @ 02:19 / by Guest Post by Klas C. Haglid, P.E., R.A., CEM, BPE, Inc.® posted in HVAC, ASHRAE, energy efficiency, Energy Savings, indoor air quality

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Energy Recovery Ventilators Can Enhance Indoor Air Quality While Saving Energy and Money

FRESH AIR FUNDAMENTALS. Fresh air being key to good health, it's a shame we cannot rely on the supply and quality of our indoor air these days. Thanks to technology, our building envelopes - the physical separation between the interior and exterior of a structure - have grown significantly tighter. One hundred years ago people enjoyed generous amounts of OA (Outside Air) flowing through gaps in doors, windows, joints, and cracks. A cool draft through an old building was typical and necessary for a good ghost story. However, the cost of energy and technology has changed our perspective on drafts as well as mechanically cooled or heated air. We don't want to pay extra to heat or cool more air than we have to due to excessive outdoor air coming in or conditioned air leaving the building before delivering its full potential. Tighter envelopes lessen the avenues for air entry and escape in order to achieve energy savings. So ... tighter envelopes that reduce energy costs as well as the amount of emissions fleeing into the atmosphere is a good thing, yes? Naturally, but as with most things, you can have too much of a good thing.

According to the EPA, "Indoor levels of pollutants may be 2 to 5 times - and occasionally more than 100 times - higher than outdoor pollutant levels {and} have been ranked among the top five environmental risks to public health."

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