Ventilation

What Happened to Sick Building Syndrome?

SBS Has Faded from Headlines, But Is It Still a Problem?
By Joanna R. Turpin
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SBS is far from being eradicated and is still a concern that many HVAC professionals grapple with every day.


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Duct Dynasty: Understanding the Coanda Effect

Considering the Traffic of Airflow Within a Duct System
By David Richardson
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The Coanda Effect is named in honor of Henri Coanda, a Romanian aerodynamics pioneer and aircraft inventor. This phenomenon is sometimes referred to as the surface effect.


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ebm-papst Inc.: Centrifugal Fan

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As part of a complete line, RadiPac EC centrifugal fans from 250-1,250 mm are available in a variety of support bracket and cube designs. 


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May 9, 2014: Hartzell Air Movement Introduces Rapid Ship Program

Some Fans in the Program Can Be Shipped in as Little as 48 Hours
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Hartzell Air Movement has announced the launch of its new rapid ship program. The program includes axial and centrifugal fans for a number of different applications such as warehouse ventilation, food processing, wastewater, and more.


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Johnson Controls Acquires Air Distribution Technologies

Company Looks to Expand in Building Space in $1.6 Billion Deal
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Within the Johnson Controls portfolio, ADTI will be aligned under the building efficiency platform, where it will operate with its own brands, distribution channels, and employees. 


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Greenheck Fan Corp.: Wind-Driven Rain Louver

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The Model EVH-501 is a wind-driven rain louver designed to protect air intake and exhaust openings in building exterior walls from direct water penetration, even in the most extreme weather conditions.


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Balancing Home-Performance Demands with Ventilation Needs

Properly Ventilating Tight Homes a Priority for Home-Performance Contractors
By Jen Anesi
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As contractors seal up homes, they also need to consider proper ventilation, avoid common mistakes, and follow industry protocols to ensure occupant health and safety.


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ERVs Gain Traction in New and Old Projects

Energy Recovery Ventilation Products Help Mitigate Energy Loss Due to Increasing Ventilation Needs
By Jen Anesi
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Advances in heat and energy recovery ventilation technology, driven largely by industry standards and increasingly stringent building codes, have pushed manufacturers to offer multiple energy-saving ventilation solutions contractors can choose from for new and retrofit projects on residential and commercial structures.


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Intelligent Products Efficiently Circulate Air

Building Codes Still Lag Behind Home Ventilation Needs
By Jen Anesi
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Increasingly demanding standards and regulations are having a clear impact on the energy efficiency and effectiveness of products used in residential ventilation and air movement.


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Continental Fan Mfg. Inc.: Plug Fans

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The TEK Plug Fans combine precision injection molding techniques with modern high-strength plastics to produce a wheel that is stronger than steel, yet half its weight.


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Jeremy Begley

Jeremy Begley, home-performance specialist and Web and social media manager with National Heating and Air Conditioning Co. in Cincinnati discusses how and why you should add home-performance philosophies to your contracting repertoire. Posted on Sept. 12.

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2014 September 15

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Venting R-22

The NEWS reported that a man received prison time for venting R-22. Should EPA step up enforcement?
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2014 National Plumbing & HVAC Estimator

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

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