M&M Precision Plumbing and Heating

For over 20 years, Certified Plumbing & Heating Inc. has been providing plumbing, heating, fire suppression and backflow prevention services. Based in Ronkonkoma, N.Y., the firm serves residential and commercial clients in the Long Island and New York areas. Some of its products include equipment piping, mechanical air systems, purification systems, snow melting equipment and medical/chemical piping. The firm also provides construction, remodeling, radiant heating, master shower and domestic plumbing facilities. It caters to customers in banks, restaurants, housing complexes, hospitals and departmental stores. Certified Plumbing & Heating Inc. s clientele includes Dunkin Donuts, Brooklyn Jewish Children s Museum, Freeport Laundry and Hidden Ridge Townhouses.