Donnelly Heating & Air Conditioning Inc

Donnelly Heating & Air Conditioning Inc. provides a range of HVAC services and products for homes and businesses in Chester County, specializing in emergency repairs and routine maintenance year-round. Customers appreciate the company’s exceptional customer service, noting the friendly and helpful staff who are responsive and professional. Many have switched to Donnelly after experiencing poor service elsewhere and have expressed satisfaction with the timeliness and quality of work. For example, during a new boiler installation, staff took the time to explain the process without pressuring customers into decisions. The installation team is recognized for their reliability and professionalism, ensuring no follow-up issues arise after service. Overall, Donnelly Heating & Air Conditioning comes highly recommended for anyone in need of HVAC assistance.