Air Conditioning Maintenance in Wilmington, DE 19804

“This was the yearly checking of my air conditioner system – want to say that the Tech was very through with the job of checking the system and advised me on the work done – I have always been very pleased with all the work done by the employees of Jos. Frederick & Sons in all areas for the years I have had them doing all the work in my home – I would recommend them for all areas. Kathleen F.”

– Kathleen F.