Indoor Air Quality

Sept. 18, 2014: ASHRAE Proposes Alternate Compliance Path for Existing Buildings in IAQ Standard

Standard 62.1 Is Cited Frequently as a Criterion for Evaluating Ventilation Systems in Existing Buildings
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Recognizing that the ventilation rate procedure in its IAQ standard may be difficult to apply in existing buildings, ASHRAE is proposing an alternate compliance path. Proposed addendum b is one of six addenda to ANSI/ASHRAE Standard 62.1-2013, Ventilation for Acceptable Indoor Air Quality, open for public comment until Oct. 5, 2014.


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Food Service, Retail Embrace Air Curtains

Air Doors Finding Broader Uses in Many Sectors
By Stephen Benes
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Air curtains keep unwanted cold or hot air from infiltrating an open doorway during winter or summer, respectively. The units also keep out flying insects and maintain a comfortable working environment for employees.


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Camfil Air Pollution Control: Dust and Fume Collectors

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Two improvements — one to the filter access door hardware and the other to the filter clamping system — provide enhanced ease of use, safety, and reliability, at no added cost to customers.


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Columbus Freshens Up its North Market

IAQ Concerns Prompt Ventilation Overhaul
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The smells and rich airborne aromas of fried fish, potatoes, and smoked pork at North Market are an important part of its appeal. But the market’s burgeoning IAQ problems — a byproduct of the enterprise inside — had to be resolved if the nonprofit venue and its 36 vendors were to survive.


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Aug. 22, 2014: ERVs to Reach Nearly $3 Billion in Annual Revenue by 2020

Units Improve IAQ and Provide Energy Savings
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Energy recovery ventilators (ERVs), which use the exhaust air from a building to precondition incoming air, offer many advantages for both improving IAQ and reducing energy consumption, and are one of the fastest-growing segments for improved IAQ management in buildings, says Navigant Research.


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Atlantic Ultraviolet Corp.: Air Disinfection Units

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Hygeaire UV Air Disinfection Units use indirect germicidal UV irradiation to purify the upper room air in occupied spaces, reducing the risk of cross-infection and exposure of occupants to infectious airborne microbes. 


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Aug. 12, 2014: RGF and Ingersoll Rand Enter into Agreement for IAQ Product Line

Products Include Air Purification and Odor Control Systems
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Ron Fink, president/CEO of RGF Environmental Group Inc., has announced an agreement to supply the company’s full line of patented and patent pending Guardian Air air purification and odor control systems for sale through Trane Supply stores and Trane and American Standard parts distributors.


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The Role of Efficiency in Humidification

Manufacturers Accept the Humidification/Dehumidification Efficiency Challenge
By Matt Bishop
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As buildings and homes get tighter, the need for dehumidification is only going to increase.


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Residents, Occupants Benefit from Reduction in Humidity Levels

Contractors Can Help Satisfy Patrons, Personal Belongings
By Matt Bishop
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For better or worse, humidity levels impact a structure’s indoor comfort. Here are a few examples of how contractor-initiated humidity reduction has impacted unique applications.


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Are Contractors Taking Mold Seriously Enough?

Survey Says: No
By Matt Bishop
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Even though mold remediation could potentially open a new revenue stream for HVAC contractors, some believe their peers don’t take mold nearly seriously enough.


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Mark Satterfield, founder and CEO of Gentle Rain Marketing Inc. and author of “The One Week Marketing Plan” talks about his book and the importance of HVAC blogging. Posted on Sept. 19.

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