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Home » Topics » Engineered Systems NEWS » Ventilation and IAQ

Ventilation and IAQ
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Greenheck RV-10

RV-10 Rooftop Ventilation Unit – Greenheck

April 12, 2021
Ideal for applications requiring a lower cfm range and a smaller footprint, model RV-10 offers airflows from 500-2,500 cfm, 3-7 tons of packaged DX cooling, and 75-200 MBtuh of indirect gas-fired heating.
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Field Controls FAPV

Fresh Air Power Ventilator In-Line Duct-Connected Fan – Field Controls

April 6, 2021
The unit provides fresh outdoor air to meet indoor ventilation code requirements and occupant preferences.
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ASHRAE Logo

ASHRAE Epidemic Task Force Updates its Airborne Transmission Guidance

April 5, 2021
The updated statement provides clarified guidance for evaluating and mitigating the spread of SARS-CoV-2.
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Condair TE Series

TE Series Ceiling Mounted Humidifier – Condair

April 5, 2021
The TE Series is a self-contained ceiling mounted humidifier that has been designed for ease of installation and retrofits, easy operation, reliability, and energy efficiency.
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fan-performance data

Straightening Out Fan Curves

William “Bill” Howarth
William “Bill” Howarth
April 1, 2021

Despite their complex appearance, fan curves are fairly easy to interpret once one gains an understanding of the conventions and terminology used, enabling selection and specification of the best fan for an application.


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Illumipure

Air Guardian Air-Disinfection Chamber – Illumipure

March 31, 2021
The unit utilizes UV LED Violeds technology to disinfect more than 99% of airborne pathogens.
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UVDI VMax

V-MAX UV-C Air-Disinfection Technology – UltraViolet Devices Inc.

March 30, 2021
The unit has achieved 99.99% inactivation of SARS-CoV-2 in a single-pass in moving airstream HVAC testing.
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Hemco Island Canopy Hoods

Rust Proof Chemical Resistant Island Canopy Hoods – HEMCO

March 19, 2021
Manufactured of molded one-piece composite resin, canopy hoods are lightweight and can be wall-mounted or suspended from the ceiling.
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Greenheck HBT-221

HBT-221 Rectangular Bubble-Tight Damper – Greenheck

March 17, 2021
Heavy-duty model HBT-221 features a blade seal mechanically fastened to the blade that is field replaceable and a flanged damper frame for easy mounting.
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Plug Fan

The Versatility of Heat-Resistant Fans

John Terry
John Terry
March 15, 2021

The purpose of a high-temperature fan depends on its design and assigned functions.


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