Technical

Replace V-Belts With Cogged or Synchronous Belt Drives

About one-third of the electric motors in the industrial and commercial sectors use belt drives. Belt drives provide flexibility in the positioning of the motor relative to the load. However, certain types of belts are more efficient than others, offering potential energy cost savings.
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The Importance of Benchmarking

Whenever the seasons change and your work changes from cooling to heating or vice versa, take a minute to review which of your measurement practices result in the greatest payback. On the technical side, surely one of the very best practices is benchmarking.
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Field Modifying Fittings and Duct

Field modifying fittings and duct can save time and money. If you install residential ductwork on a performance basis (X number of dollars for the job) as I do, it is sometimes a real benefit. You have to know how fittings are made before you can alter them.
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Whole Building Design

Designing, constructing, or renovating high-performance buildings requires a whole building approach. This differs from the traditional design/build process, as the design team examines the integration of all building components and systems and determines how they best work together to save energy and reduce environmental impact.
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Improving School Environment and Performance

Green school programs are touted mainly for saving energy, but research at the Georgia Tech Research Institute (GTRI) indicates that bettering a school’s indoor environment also increases health and comfort, which in turn promotes increased attendance, student attentiveness, and teaching effectiveness.
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EPA Offers Tips on Proper Use of Programmable Thermostats

The U.S. Environmental Protection Agency (EPA) has launched an effort to help Americans save on their summer cooling bills with advice on how to properly program their thermostat. HVAC contractors can pass along these tips to customers to help them stay cool while keeping more cash in their pockets.
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Air Filtration and Energy Efficiency

The energy used by HVAC systems is based on the resistance of the air passing through the filter; the lower the filter’s resistance, the lower the energy consumption will be. However, even though one speaks of filters, it is really the filter media that has the biggest effect on minimizing energy consumption.
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2015 HARDI Fly-In

Highlights from HARDI's Congressional Fly-In in Washington, D.C. Post date: May 28, 2015.

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NEWSMakers: Kevin Conrad
Kevin Conrad, president, Kevin Conrad Heating and Cooling Inc., Nantucket, Massachusetts, breaks down working in the New England climate, the benefits of insulation foam, and more.


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2015 National Plumbing & HVAC Estimator

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