Tom L., Swansea, IL

Very satisfied with the system. Have saved on heating/cooling bills since it has been installed. Runs efficiently and quietly. We have done business with Sigman for the past 20 years. From the owner, down through the employees, all are friendly, courteous and...

The Chuck Wagon, Fairview Heights, IL

Thank you again. The restaurant has been very cool this summer and the power bill for one month seems to be reduced by 20%. As always, you will be highly recommended by us for your excellent service to our family business.

Paul F., St. Louis, MO

[Your service technician] was so professional; took care of the problem quickly, explained what he was doing. I couldn’t have been more pleased with the service call. I will definitely call on your company again for any and all service needs at my house and...