I have now replaced my Bradford White Industrial Dual Combo Unit twice now. This unit was to last 10 years but never lasted more then 5 years. This unit cost aprox. $5,500.00 to replace. A friend gave me the name of Laurenzo Branzei who quoted me $5,500.00 to reblace my system with a more efficient system by Navien. Navien a hot water on demand system (heat exchanger) was installed in less then two days. The Navien CH-240 ASME comes with a 10 year warranty and is 91% efficient. It's quiet, sleek, and I can control the temp. Oh and did I mention it was $3,000.00 less then what other heating companies were asking. I am very happy with my purchase and the excellent job done by Laurenzo. In short thank you Laurenzo

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