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Home » Topics » HVAC Contracting » Technical

Technical
Technical RSS Feed RSS

Biomass Boilers Offer a Cost-Effective Alternative, Says GSA

Testing Shows High Boiler Efficiency and Favorable Payback under Many Conditions
August 18, 2014

Advances in pellet combustion and control automation have recently positioned wood-pellet-fired biomass boilers as economical alternatives to traditional boilers. Their targeted use promises distinct benefits to the U.S. General Services Administration (GSA).


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Are Your Customers Being Overbilled for Energy?

Look at the Energy Data and Help Them Save
August 4, 2014

In every industry, companies are looking for ways to save on energy costs. This article provides a quick guide that examines several low-cost ways you can find energy savings for any facility. Among the savings areas, we’ll take a look at heating, lighting, electric motors, power factor correction, and more.


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Rise in Brownouts Creates Opportunity for HVAC Technicians

Study Shows Homeowners Understand the Risks, but Are Not Proactively Protecting Air Conditioners
July 21, 2014

Only two out of ten (22 percent) of United States homeowners protect their major appliances, including air conditioners, from brownouts and other power quality issues despite the fact that nearly nine in ten (87 percent) understand that a brownout can damage these same major appliances, according to a new study.


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NREL Hosts Zero-Energy Home Competition

Students Presented Their Designs to Juries of National Experts
June 23, 2014

The campus of the U.S. Department of Energy’s (DOE’s) National Renewable Energy Laboratory (NREL) played host to 28 teams of university students and building industry experts who converged at the lab for the Challenge Home Student Design Competition.


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Water-Cooled Technology Cuts Costs

Also Provides Reduction in Peak Demand
June 9, 2014

This analysis shows how a water-cooled 500-ton chiller system when compared to a 500-ton air-cooled chiller system results in approximately $45,000 in annual operating costs savings. Additionally, the water-cooled system reduces peak energy demand by 45 percent.


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Optimizing Hotel Efficiency and Comfort

System Provides Intelligent Energy Management
May 19, 2014

The challenge presented by Neema Hospitality, Mechanicsburg, Pennsylvania, was that the company wanted to maximize energy efficiency while maintaining guest comfort and loyalty, improve profitability without increasing room rates, and augment operational efficiency with remote monitoring capability.


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Hands-Free HVAC Troubleshooting and Diagnostics

System Approach Makes Troubleshooting Faster, Easier, and More Affordable
May 5, 2014

Among the more stressful challenges facing HVAC service providers is meeting customer demands for rapid diagnosis and repair of their systems. For many HVAC contractors the solution can be found in a compact electronic measurement system that can monitor and log the status of all HVAC functions.


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Avionics Mil-Spec Part Solves Commercial HVAC Temperature Stability Problem

Part Maintains Setting and Avoids Repeat Service Calls
April 21, 2014

Modifying an off-the-shelf control knob used in avionic systems stopped repeated service calls for a major maker of commercial rooftop units. Electronic Hardware Corp. (EHC) was able to change its standard PT70 control knob to fit on a small circuit board inside the different HVAC models.


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Natural Ventilation: Keeping Health Care Buildings Healthy

For an Energy Efficient Solution, Natural Ventilation Should Be Fully Automated
Chris Monson
April 7, 2014

Keeping large buildings well ventilated has always been a challenge. In health care buildings especially, supplying clean fresh air is of utmost importance to prevent CO2 and other contaminants from accumulating. The answer to energy efficient, healthily ventilated ambient environments? Natural ventilation.


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Technology Advancements Create New Air Curtain Applications

Air Curtains, or Air Doors as They Are Also Called, Are Finding Broader Use
Stephen Benes
March 24, 2014

There has been a deluge of recent technological advancements that are creating new air curtain applications that were barely imaginable 10 years ago. Advancements have ranged from more efficient electric heaters to manufacturing improvements that now extend lengths up to 16 feet.


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July 22, 2026

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