⚡ On-Demand
Tankless Water Heaters Coverage & Brands
On-demand water heating delivers endless hot water at higher efficiency — but the equipment is more complex. We cover heat exchangers, flow sensors, and the control boards that run them.
On-demand water heating delivers endless hot water at higher efficiency — but the equipment is more complex. We cover heat exchangers, flow sensors, and the control boards that run them.
Japanese-engineered Rinnai and Navien dominate the tankless market. We are factory-authorized service for both, plus Noritz and the major US OEMs.
The original residential tankless leader. Rinnai Sensei and HE+ models deliver up to 11 GPM with industry-leading 15-year heat exchanger warranties.
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Korean engineering with the highest-rated efficiency in the market. NPE-A2 condensing units reach 0.96 UEF and include a built-in recirculation pump.
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A Japanese pioneer in residential tankless. Noritz NRC and EZTR series offer flexible vent options and a strong dealer service network.
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Domestic tankless from the largest US water heater OEM. Strong availability of parts and reliable lifetime customer support.
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European-engineered Bosch Greentherm 9000 series tankless delivers high efficiency in a compact wall-hung design — ideal for tight retrofit spaces.
View BrandPrimary and secondary heat exchanger failures — the most expensive single component — replaced with OEM unit.
Failed flow sensors that prevent the unit from firing replaced and re-calibrated for proper minimum-flow detection.
Hot-surface igniters replaced with OEM-spec component on every covered no-fire diagnostic.
Modulating gas valves replaced with OEM-matched valve and full combustion analysis post-install.
Failed PCBs replaced with factory-matched board, including software/firmware update where applicable.
PVC and stainless concentric venting inspected and repaired for proper combustion air and exhaust draw.
Mineral-buildup descaling included on covered service calls in hard-water areas — critical for heat exchanger life.
Built-in or external recirculation pumps repaired or replaced for fast hot water at the fixture.
High-efficiency on-demand water heating with the same predictable service cost as our tank coverage.