"Shout out to Sig's Heating & AC Service in Evergreen Park for their superior service in repairing my furnace during this coldsnap. I've had several repairmen to the house and nobody has been able to accurately diagnosis and fix the problem. Frank, the owner, called the manufacturer on my behalf and problem solved the issue with them- he then made multiple trips to my house to ensure the issue was resolved and has followed up by phone several times to ensure we were all warm! The issue my furnace was having was not an obvious easy fix so I am most impressed and most grateful! Any heating issues, call Frank!

Would highly recommend Sig's. Our furnace went from broken to fixed in one day. Frank even stopped over a few days later to make sure everything was working. Fair and honest!

"I just had Frank Signorelli from Sig's heating and air out to check and clean the furnace. Very knowledgeable, reasonable and honest! I didn't feel like I was being sold anything like I have had with other companies. Definitely would recommend him!

"Frank Signorelli just saved me from buying a new dryer. He cleaned my dryer vent out for $85. Also fixed our air conditioning this week!"

"I have Frank stop by for furnace and A/C a tune-up every fall and spring. He is very knowledgeable and has spotted a few small issues and prevented them from becoming bigger problems. I refer him to everyone."