When you buy from John Duffy Energy Services, you’re buying from a company that’s been keeping customers happy ever since 1891. You’re buying from a company that doesn’t only sell heating equipment, doesn’t merely offer furnace repair and furnace replacement, but provides peace of mind to countless households throughout the New Jersey area:
The Trane XC95m natural gas modulating furnace provides ultimate comfort and ultra-high efficiency for big energy savings.
The Trane XV80 high efficiency oil furnace provides two stages of comfort all winter long.
Since it first went into production in 1939, the Hallmark furnace has offered the finest quality and engineering innovations available in a furnace.