WELCOME

Callahan Mechanical Sales is a manufacturer's representative of quality HVAC equipment. 

Our territory includes the greater Chicagoland market, most of Illinois, the Quad Cities and portions of Indiana.  We rely heavily on our distributor network and the mechanical engineering community for successful selling of our forced air and hydronic products.

We focus on customer service, a reputation of integrity, and a solid partnership with both our manufacturers, distributors and engineers.

HEADLINES

  Multiaqua names Callahan Mechanical Sales their Chicagoland Representatives.  Learn more about Multiaqua by clicking here.

  Modine Geothermal names Callahan Mechanical Sales their Chicagoland Representatives.  Learn more about Modine Geothermal by clicking here.