Faszold Heating and Cooling is a family-owned business in O'Fallon, Missouri, serving St. Charles County and St. Louis County. They provide services for all heating and cooling equipment, along with solar panels, geothermal solutions, indoor air quality, and water treatment. The company is known for excellent customer care, with friendly and knowledgeable staff who explain everything clearly. With over 30 years of experience, many customers recommend them for their professionalism and prompt service. Free estimates and 24/7 service are available, ensuring a positive experience for all clients.
The technician was pleasant, professional and knowledgeable.
November 2025
The technicians, Clay, Brendan, and Thomas were on time, courteous, and knowledgeable. The job was completed the same day and the area was left neat and tidy. We couldn't have asked or more!
October 2025
Installers Marcelis and Paul were first rate. Very professional and informative. Would recommend Classic Air for HVAC service.
