Gareth Evans

Gareth Evans is with PPM Technology Ltd., Wales, United Kingdom, a leading manufacturer of portable and fixed gas detection instruments for use in a wide range of indoor environments including hospitals, laboratories, offices, public buildings, schools, and more. For more information, visit www.ppm-technology.com.

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The Double Benefit of Monitoring Indoor Air Quality

May 7, 2012
It is a difficult balance to save energy and money yet maintain a comfortable and healthy indoor air environment. A logical solution to controlling indoor air pollution is good ventilation coupled with indoor air quality (IAQ) monitoring using gas sensors. This can ensure healthy indoor air as well as a more efficient HVAC system.


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Twin Cities contractor Aabott Ferraro helped retrofit an older St. Paul home.

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NEWSMakers: Doug Dougherty

Doug Dougherty, president and CEO of the Geothermal Exchange Organization (GEO) joins the program to discuss the latest happenings with GEO, including the drive to get included in state and federal definitions of renewable energy, plus the future of geothermal.  Posted on July 25.

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R-22 PHASEOUT POLL

Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
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2014 National Plumbing & HVAC Estimator

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