Stay Comfortable All Year You will always receive professional service from Buzz Duzz Plumbing, Heating & Air-Conditioning. Our owner grew up in the supply house business, where he sold all the equipment we use. Then, he went to school at Philadelphia Wireless Technical Institute and was a subcontractor. He then graduated and worked for other companies for about 12 years. Now with more than 24 years of experience, we have a licensed, insured, bonded, and EPA-certified business. Our Registered Master Plumber has grown up in the plumbing business he went through all the plumbing training starting off as a journeyman and working his way up to becoming a Master Plumber. He has 22 years of experience. We offer honest and fair prices with a 100% customer satisfaction guarantee, and we also have warranties available.