Superseding AMCA Publication 511-21, AMCA Publication 511-21 (Rev. 12-22) outlines technical procedures and the proper presentation of data for the certification of air-control devices through the AMCA Certified Ratings Program (CRP).
Slideshow: The National Air Duct Cleaning Association annual meeting in New Orleans at the end of March delved deep into the cleaning business with a focus on keeping up the demand momentum for the service from COVID-19.
Greenheck recently announced its partnership with Pittsburgh Air Systems/Air Industrial, Inc. to exclusively represent Greenheck Air Distribution Products throughout western Pennsylvania and northern West Virginia.