We work on your schedule, the status of CFESA Company Certification. Which means we have dedicated ourselves to the highest level of training possible for our technicians Training which never ends. As long as new equipment continues to hit the market, Duffys will be among the first companies authorized to service When you need it fixed right the first time, you need Duffys. We back all of our parts and service with a 120day guarantee. the longest in the business. When everything is on the line, you cant trust your equipment and your reputation to an amateur. Call the professionals. You cant afford cheap service anymore. We sell and install OEM parts because The bitterness of poor quality remains long after the sweetness of low price is forgotten .