Technical

H&H Event Showcases Products, Offers Seminars

A Forum for Customers and Manufacturers to Learn from Each Other

Mechanicsburg, Pennsylvania-based manufacturer’s rep firm, H&H Sales Associates Inc., recently held a “Customer Appreciation Day” product show and open house attended by hundreds of mechanical system installers and designers and consulting-specifying engineers.


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NREL Hosts Zero-Energy Home Competition

Students Presented Their Designs to Juries of National Experts

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

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

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

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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Natural Ventilation: Keeping Health Care Buildings Healthy

For an Energy Efficient Solution, Natural Ventilation Should Be Fully Automated

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

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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Customizing PTFE Seals and Gaskets for Enhanced Performance

Not All Seals and Gaskets Are the Same; Here Are Some Performance Characteristics and Other Factors to Consider

When it comes to the supply of the PTFE seals and gaskets commonly used in combination with other parts that make up many components and assemblies, there are a number of important factors that specifiers need to consider, according to industry experts.


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Wireless Instruments Increase Accuracy, Streamline Service

Do It Better and Shorten Time on the Job

Successful contractors are always looking for ways to be more efficient and do a better job. Using wireless instruments to take all measurements simultaneously can make the job easier and better, resulting in quicker, more accurate diagnoses and a system that’s optimized for peak performance. 


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Multimedia

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2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

Podcasts

NEWSMakers: Mark Crockett
Mark Crockett vice president, Crockett Facilities Services, explains the importance of technician training, the value of being a top minority-owned company in the U.S., current projects the company is managing, and much more. Posted on April 24.
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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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