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With recent research showing that ultrafine particles are more hazardous to human health than originally thought, higher-efficiency filters should be...
The Plumbing-Heating-Cooling Contractors-National Association (PHCC) announced that Michael R. Copp has been selected as its new executive vice president. Copp...
From pickups to vans, contractors submitted their “mobile offices” for the third edition of PHC News magazine’s work truck spotlight. Click here to view the PowerPoint presentation. ...