DIFERRO CONTRACTING CORP. About Us Leader in Client Satisfaction Client satisfaction is at the core of our business. Our pursuit of excellence in installation, sales, system design and custom maintenance has made DiFerro the tri-state’s leader in commercial & industrial mechanical duct and pipe insulation. DiFerro has continued to grow year after year into the area's premier insulation contractor. We employ experts in every area of the HVAC field, which ensures that the job will be done well every time. Fast, Friendly Service DiFerro is ready to help your business stay comfortable and save on energy costs. We will satisfy all of your insulation needs. Our commitment to quality control and prompt service is at the foundation of our success. Get your estimate today. DiFerro is a contractor specializing in all phases of HVAC insulation work, from heated and cooled duct, commercial kitchen exhaust, mechanical pipe, domestic pipe, refrigeration, drain, etc. We utilize qualified labor and we are fully insured. DIFERRO CONTRACTING CORP. 1188 WILLIS AVE #428, ALBERTSON, NY 11507 (718) 263-6300 INFO@DIFERROCONTRACTING.COM