Sigman Heating and Air Conditioning, Inc. 6200 Old Saint Louis Road, Belleville, IL 62223

"We have been using Sigman for years, all of the staff are incredibly highly skilled, timely and polite & friendly. They will answer any questions you may have and explain the repairs needed as well as preventative maintenance to be considered. They always go above and beyond, on a recent repair the repairman came back to our house the same day for a different issue after he had gone home for the night. There are not many businesses that have this level of customer service, we are very grateful and highly recommend Sigman."

"The BEST! OMG I can’t explain enough! Both gentlemen who came out were professional and even gave me advice on how to better weatherize my home! As a first time homeowner and female I really appreciate them! They were on time and get it done!"

"I really recommend Sigman heating and cooling. I recently had my furnace and water replaced by them, and the did a great job in a timely fashion. The workers were on time, professional, polite and took their time to explain what was done and how things work. 5 stars to this company..... GREAT JOB!!!!!!"

"My a/c unit went out during a dangerous heat wave. I called Sigman Heating and Air Conditioning Company and they responded immediately. Jeff was the technician that came to our home. He was amazing....arriving on time with a smile that told me I was in good hands. He quickly located the problem with the a/c unit and fixed the problem. I am comfy again and I am thankful for the service I received from Jeff with Sigman Heating and Air Conditioning. I will be calling them again when I need service. ."

"Due to very high electric bill I contacted Sigman to see if they could help make recommendations on what needed to be done to lower the monthly costs. I wish I had contacted them sooner! Craig came to do an inspection. He took his time, was very thorough and pinpointed what needed done. He was on time, polite and followed up to make sure all was ok. His crew was able to install and haul away my old equipment and did the job sooner than I expected. They all worked well together to do a fantastic job. Needless to say, my electric bill dropped significantly and I regret not contacting them sooner. I highly recommend Sigman!"