RELIABLE WATER HEATERS FROM NAVIEN IN LONDON
EXPLORE NAVIEN’S TANKLESS WATER HEATERS
Condensing: The Navien condensing tankless water heater takes up less space and employs a second heat exchanger, increasing efficiency and producing more hot water.
Non-condensing: Navien non-condensing tankless water heaters provide an uninterrupted hot water supply for as long as you require. No more spending time and energy waiting for a tank to reheat additional water.
QUALITY TANKLESS WATER HEATER FROM NAVIEN
Navien tankless water heater saves you money by using less energy and heating only the amount of water needed. It takes up less space because no tank is required. Please contact us today for more information about water heaters in London and the surrounding areas.

Navien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow® technology with a built-in recirculation pump and buffer tank.
New NPE-A2 Series
Three NPE-A2 Advanced Premium models offer a Uniform Energy Factor up to .95 and feature Navien’s patented ComfortFlow system.
New NPE-S2 Series
Four NPE-S2 Standard Premium models offer a Uniform Energy Factor up to .96, providing more output, lower installation costs and lower operating costs.
JUST A FEW OF THE WATER HEATERS WE SUGGEST
We offer top-of-the-line heaters to provide continuous hot water supply in your house. Here are some of our products:
CONDENSING
Unlimited hot water, cutting-edge ComfortFlow® technology, a built-in recirculation pump, and a buffer tank are all features of Navien condensing tankless water heaters. Its ultra-high efficiency of up to 0.96 UEF keeps your utility bills minimum.
NPE‑A2 SERIES
Three NPE-A2 Advanced Premium variants with Navien's unique ComfortFlow technology provide a Uniform Energy Factor up to.95.

NPE-180A2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
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Field convertible gas system
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Ultra condensing efficiency
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Dual stainless steel heat exchangers
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Low NOx emissions (20ppm)
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SCH 40, 2" venting up to 75'
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Cascading capable
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EZNav multi-line control panel
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Built-in HotButton control panel
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Common vent up to 12 units

NPE-210A2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
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Field convertible gas system
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Ultra condensing efficiency
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Dual stainless steel heat exchangers
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Low NOx emissions (20ppm)
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SCH 40, 2" venting up to 75'
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Cascading capable
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EZNav multi-line control panel
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Built-in HotButton control panel
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Common vent up to 12 units

NPE-240A2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
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Field convertible gas system
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Ultra condensing efficiency
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Dual stainless steel heat exchangers
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Low NOx emissions (20ppm)
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SCH 40, 2" venting up to 75'
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Cascading capable
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EZNav multi-line control panel
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Built-in HotButton control panel
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Common vent up to 12 units
NPE‑S2 SERIES
Four NPE-S2 Standard Premium variants are available with a Uniform Energy Factor of up to.96, which increases productivity while lowering installation and running expenses.

NPE-150S2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
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Field convertible gas system
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Ultra condensing efficiency
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Dual stainless steel heat exchangers
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Low NOx emissions (20ppm)
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SCH 40, 2" venting up to 75'
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Cascading capable
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EZNav multi-line control panel
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Built-in HotButton control panel
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Common vent up to 12 units

NPE-180S2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
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Field convertible gas system
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Ultra condensing efficiency
-
Dual stainless steel heat exchangers
-
Low NOx emissions (20ppm)
-
SCH 40, 2" venting up to 75'
-
Cascading capable
-
EZNav multi-line control panel
-
Built-in HotButton control panel
-
Common vent up to 12 units

NPE-210S2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
-
Field convertible gas system
-
Ultra condensing efficiency
-
Dual stainless steel heat exchangers
-
Low NOx emissions (20ppm)
-
SCH 40, 2" venting up to 75'
-
Cascading capable
-
EZNav multi-line control panel
-
Built-in HotButton control panel
-
Common vent up to 12 units

NPE-240S2
High-efficiency Condensing Tankless Water Heater
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½" gas pipe capable up to 24'
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Field convertible gas system
-
Ultra condensing efficiency
-
Dual stainless steel heat exchangers
-
Low NOx emissions (20ppm)
-
SCH 40, 2" venting up to 75'
-
Cascading capable
-
EZNav multi-line control panel
-
Built-in HotButton control panel
-
Common vent up to 12 units
NON-CONDENSING
The stainless steel heat exchanger and burner found in Navien non-condensing tankless water heaters provide long-lasting and environmental-friendly performance.
NPN‑E SERIES
Compact tankless water heaters with NPN-E (Exterior) non-condensing technology are available for exterior applications.

NPN-120E
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Exterior unit for outdoor installations
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)

NPN-160E
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Exterior unit for outdoor installations
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)

NPN-180E
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Exterior unit for outdoor installations
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)

NPN-199E
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Exterior unit for outdoor installations
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)
NPN‑U SERIES
Premium non-condensing NPN-U (Universal) tankless water heaters provide a space-saving tankless option for both indoor and outdoor applications.

NPN-160U
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Universal unit for indoor or outdoor installations
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NaviVent 3" x 5" concentric venting
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)

NPN-180U
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Universal unit for indoor or outdoor installations
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NaviVent 3" x 5" concentric venting
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)

NPN-199U
Premium Non-Condensing Tankless Water Heater
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NaviTech stainless steel heat exchanger and burner
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Universal unit for indoor or outdoor installations
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NaviVent 3" x 5" concentric venting
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Available in NG or LP
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Cascading capable
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Low NOx emissions (20ppm)