Boilers · Navien
Navien Boiler Installation NYC
Navien condensing boiler and combi-unit installation across NYC, sized and commissioned to code.
Why Navien
Navien boiler installation
Navien is known for high-efficiency condensing boilers and combi units that deliver heat and domestic hot water from a compact footprint. We size, install and commission them properly so the efficiency is real, not just on the label.
High-efficiency condensing technology
Combi heat + hot water options
Compact, space-saving footprint
Strong modulation for varied loads
DUO Mechanical installs and services Navien equipment across NYC. {{VERIFY_CERTIFICATION}} — add any authorized-dealer or certified-installer credentials here once confirmed.
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Recent work
Navien installs by DUO
Boilers
Navien, installed right
FAQ
Navien questions
Combi units suit homes that want heat and domestic hot water from one compact unit with adequate gas supply. We confirm your gas and venting can support it before recommending one.
24/7 Emergency