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National is proud to be a Union employer.  We value our employees and the quality that they bring to our family. Below are the locals and organizations we are affiliated with.  



We have agreements with the following local unions:

(click the links to be directed to the website)


Pipe Fitters Union Local #597

Plumbing Union Local #130

Sheet Metal Union Local #73



National Heat and Power Corp. is a member of the following organizations and associations:


Chicagoland Construction Safety Council - Leadership 1000 Donor

Mechanical Contractors Association of Chicago (MCA)

American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE)

Chicagoland Better Heating-Cooling Council (CBHC)

Plumbing Contractors Association of Chicago and Cook County (PCA)

Plumbing Council of Chicagoland



For potential rebate opportunities in the following programs:


ComEd "AirCare Plus" & "Smart Ideas"

Peoples Gas Company

Nicor Gas

North Shore Gas Company



Village of Morton Grove Business License No. 150574

City of Chicago Business License No. 1121484

Chicago Plumbing License No. BC183429

Illinois Plumbing License No. 055-01737




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