According to our records, this business is located at 2237 Wendy Way Dr. in Belleville (in St Clair County), Illinois 62221, the location GPS coordinates are: 38.53998 (latitude), -89.945311 (longitude). Detmers A/C & Heating is categorized under Warm Air Heating and Air Conditioning Contractors (SIC code 1711). Known organization principal is Randy Detmer. You can contact the company by phone at (618) 310-1287.