All Tankless Water Heaters

Compact electric tankless designed for basic residential hot water needs. This budget-friendly unit offers essential features and safety protections for small homes and point-of-use applications.

Affordable indoor propane tankless heater delivering up to 5.8 GPM for medium demand.

Indoor, non-condensing natural-gas tankless from Rinnai's Value series — 150,000 BTU/h and 6.5 GPM at 0.80 UEF. A long-proven, budget-friendly indoor gas unit for small-to-medium homes, high-altitude approved.

24 kW, 240 V whole-home electric tankless with self-modulating output and ±1 °F digital control (80–140 °F). Rated up to 5.9 GPM at minimal rise; a strong-value electric unit for warm climates or homes without gas — needs ~120 A of panel capacity.

High-performance condensing tankless built to commercial standards for residential applications. This Takagi unit delivers exceptional efficiency and capacity with professional-grade reliability.

High-end indoor electric unit with advanced flow control and digital interface, ideal for cold climates.

High-power electric tankless engineered for maximum demand applications. This top-tier Tempra model features three heating modules and advanced flow control for optimal performance in challenging conditions.

Compact indoor non-condensing natural-gas tankless heater rated at 140,000 BTU/h and 5.3 GPM max — a value-priced entry into Rinnai's ecosystem for small-to-medium homes, backed by a 15-year heat-exchanger warranty.

Outdoor condensing propane tankless from Rinnai's SENSEI line — 180,000 BTU/h and up to 10.0 GPM at ~0.95 UEF. High-flow whole-home hot water for propane households, with no indoor venting required and a 15-year heat-exchanger warranty.

Rheem's flagship IKONIC condensing natural-gas tankless — 157,000 BTU/h and 8.4 GPM at ~0.94 UEF, with built-in EcoNet Wi-Fi and LeakGuard automatic-shutoff leak protection. The smartest, best-protected tankless Rheem makes (non-recirculating; see SR84iN for a pump).

Outdoor, non-condensing natural-gas tankless from Rheem's mid-efficiency RTG line — 160,000 BTU/h and 7.0 GPM at 0.82 UEF, with Hot Start Programming. Exterior mounting means no indoor venting; ideal for warm-to-mild climates.

Indoor condensing natural-gas tankless from Rinnai's SENSEI Super High Efficiency Plus line — 160,000 BTU/h and up to 9.0 GPM at ~0.92 UEF, a whole-home condensing unit for 3–4 bath homes with a 15-year heat-exchanger warranty.

Outdoor, non-condensing natural-gas tankless from Rinnai's Value series — 120,000 BTU/h and 5.3 GPM at 0.81 UEF. The most affordable way into Rinnai for a small warm-climate home, with exterior mounting that removes indoor venting.

Outdoor, non-condensing propane tankless from Rinnai's Value series — 120,000 BTU/h and 5.3 GPM at ~0.82 UEF. A low-cost endless-hot-water option for small or seasonal propane homes, mounted outdoors with no indoor venting.

Compact budget indoor natural gas tankless heater with 4.3 GPM capacity and vent kit.

Budget indoor natural-gas tankless (100,000 BTU/h, up to 4.3 GPM, ≈0.81 UEF) with an oxygen-free copper heat exchanger, a touch panel with LED display, 3-inch power venting, and CSA certification — sized for 2–3 fixtures in a small home or apartment.

Compact indoor electric tankless unit ideal for point-of-use or small homes.

Mid-sized electric tankless designed for moderate residential applications. This cost-effective unit provides reliable performance for small homes and condos with reasonable hot water demands.

Indoor condensing natural-gas tankless from Rheem's super-high-efficiency RTGH line — 157,000 BTU/h and 8.4 GPM at up to 0.93 UEF (ENERGY STAR), with Hot Start Programming and lighter PVC/CPVC venting. IKONIC-level performance without the smart-first price.

High-output condensing natural-gas tankless (A.O. Smith ProLine XE) delivering 199,000 BTU/h and up to 10 GPM at roughly 0.93 UEF, with a copper heat exchanger, Ultra-Low NOx emissions, and recirculation capability for heavy-residential and light-commercial use.

Popular portable propane tankless designed for camping and outdoor recreation. This budget-friendly unit provides essential hot water capability with complete accessories for immediate use.

Compact reliable tankless engineered for light-duty residential applications. This Takagi junior model provides proven longevity and dependable performance for apartments and smaller homes.

Ultra-portable propane tankless designed for outdoor recreation and emergency use. This lightweight unit provides instant hot water for camping, outdoor showers, and temporary applications.

High-capacity condensing tankless by Noritz featuring exceptional flow rates and efficiency. This EZ Series unit is engineered for easy replacement of large tank systems with top water connections.

Budget-friendly electric tankless unit with good flow rate for apartments or small homes.

Affordable electric tankless featuring digital controls and self-modulating technology. This compact unit provides reliable performance for small to medium homes requiring electric hot water solutions.

Budget-friendly outdoor tankless water heater designed for smaller residential applications. This simple non-condensing unit offers reliable performance with weatherproof casing for exterior installation.

Premium condensing gas tankless from A.O. Smith featuring advanced efficiency and reliable performance. This high-efficiency unit delivers excellent capacity with condensing technology for reduced operating costs.

27 kW, 240-volt residential electric tankless for whole-home hot water in warm-to-moderate climates. Compact and digitally controlled, with ≈99.8% efficiency, low 0.25 GPM activation, and solder-free 1/2-inch flex connections. Requires three 40-amp double-pole circuits.

Compact 14 kW indoor electric tankless heater, ideal for point‑of‑use or small homes.

Stylish compact propane tankless featuring modern design elements. This indoor unit provides reliable single-shower performance with electronic ignition and attractive tempered glass front panel.

Premium condensing tankless from Navien featuring exceptional capacity and efficiency. This NPE-Standard series unit delivers robust performance for large residential applications without built-in recirculation.

High-flow portable tankless engineered for demanding outdoor applications. This robust unit provides substantial hot water capacity for campsites, barns, and emergency residential backup.

Powerful electric tankless offering maximum capacity from EcoSmart. This high-output unit provides whole-home hot water capability in warm climates with budget-friendly pricing.

High-capacity non-condensing gas tankless built for maximum durability. This Bosch Therm series unit delivers exceptional flow rates with proven Japanese engineering for long-term reliability.

Basic electric tankless offering essential whole-home capability at budget pricing. This compact unit provides reliable performance for warm climates and point-of-use applications.

Indoor, direct-vent non-condensing natural-gas tankless from Rheem's mid-efficiency RTG line — 160,000 BTU/h and 7.0 GPM at 0.82 UEF, with Hot Start Programming. A value indoor gas unit for small-to-medium homes.

Mid-size propane tankless engineered for reliable residential performance. This Bosch Therm series unit provides dependable hot water delivery with electronic controls and proven non-condensing technology.

Higher-capacity indoor propane tankless from Eccotemp's Builder Series. This non-condensing unit provides reliable whole-home performance at budget-friendly pricing for moderate residential applications.

Non-condensing indoor gas tankless heater by Marey with high flow rate and CSA certification.

Compact no-electricity point-of-use propane tankless (up to 3.1 GPM, ~79,000 BTU/h) with battery ignition, a copper heat exchanger, and a summer/winter control knob — suited to cabins, tiny homes, and low-pressure or off-grid single-fixture use. Must be vented as a combustion appliance.

High‑output indoor propane tankless (7.5 GPM) with precise temp control and CSA safety.

High-output propane tankless offering robust performance at budget pricing. This modern unit provides reliable indoor installation with comprehensive safety features for moderate residential applications.