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Compact water heaters

Best Tiny House Hot Water Heaters Reviewed

August 20, 2024April 23, 2024 by Robert Lungo

tiny house hot water heater

Discover top picks for efficient tiny house hot water heaters designed for small spaces. Maximize comfort in your compact home today!

Categories 411 Tags Compact water heaters, Portable hot water heaters, Tiny house hot water heater

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October 22, 2025 4:32 pm

ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
- Compact Design: ECOTINYMACH's tankless water heater is designed with a compact footprint, offering an efficient solution for heating water without consuming unnecessary space.
- Convertible Temperature Scale: Unique feature of our heater allows you to switch between Fahrenheit and Celsius temperature scales conveniently, enabling you to monitor the water
Amazon

$ 59.99
GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt
- EASY INSTALLATION - Installs in minutes with existing plumbing. Uses standard 3/4-in NPT compatible water connections and connects into any 120-Volt supply
- COMPACT DESIGN - Offers flexibility and space savings in places like kitchens, bathrooms, laundry rooms, RVs, cabins, barns, garages, etc
- LEADING WARRANTY- 8- year limited replacement
Amazon

$ 299.73 -9%
110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)
- 【Rapid Temperature Recovery】The BISELONG water heater is made from 0.04inch (1.1mm) thick 304 stainless steel and uses laser welding technology, ensuring it never rusts, withstands high pressure, and doesn't leak! The 1500w "L" shaped heating element increases the heat exchange area with the water in the tank, speeding
Amazon

$ 99.98
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
- CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
- LONG LASTING QUALITY: This electric water heater is easy to maintain and
Amazon

$ 209.73 -13%
Tankless Water Heater Electric for Single Sink Faucet, ThermoMate 3500W 120V Small Point of Use Instant Hot Water Heater with Temperature Display, Self-modulating, ETL Certified
- [Instant Sink Hot Water] - 3500W power heating system provides on demand hot water in seconds for point-of-use applications, perfect for under / over sink faucet. Temperature setting range from 86°F - 131°F. 24 Hours standby. 0.4GPM-0.66GPM
- [Self-modulating Power] - Regulating the amount of energy required to heat
Amazon

$ 93.48 -28%
Tankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin
- ✔ ELECTRIC TANKLESS WATER HEATER - This tankless electric water heater is made of high-quality ABS material, with LED display. With 3000W power, the mini water heater can raise the water by 82° F(0.3GPM) -131° F(0.5GPM) in seconds, providing tankless instant, continuous hot water without waiting for preheating,
Amazon

$ 59.68
1.8 Gallon Electric Mini Tank Water Heater, 110V 1500W Point of Use On Demand Under Sink Instant Hot Water Heater for Home Kichen Bathroom
- 24H INSTANT HOT WATER - Our mini tank water heater delivers hot water instantly at your sink. With a mini tank, it provides instant hot water on demand, reducing wait times and water waste. The high-density polyvinyl chloride integral foaming process can uniformly heat the entire internal storage
Amazon

$ 99.99
4 Gallon Capacity, 120-Volt – Ariston Andris Mini Tank Electric Water Heater – Heating Solution for Under Sink, RV, and Compact Spaces, Smart Boost for Versatile Heating, Simple Installation
- Compact and Versatile Design: The Ariston Mini-Tank Electric Water Heater is ideal for supplying heated water to single sinks in small spaces like RVs and under sinks. Its compact design fits seamlessly in tight spaces for convenience.
- Powerful Heating Solution: Equipped with a titanium glass-lined tank for durability
Amazon

$ 178.49
2025 Gen II Ranein 2.5-Gallon Electric Mini-Tank Water Heater, 120V, 1440W Instant Hot Water for Point-of-Use, Quick and Easy Installation, Compact Under-Sink or RV Design, Floor Mounting
- Efficient Rapid Heating Technology: Equipped with a 1440W molybdenum-gold heating rod, this water heater delivers an exceptional 99% thermal efficiency, enabling swift hot water delivery and rapid temperature recovery. The adjustable temperature range spans from 86°F to 167°F for precise control.
- Space-Optimized Modern Design: Featuring a sleek, compact
Amazon

$ 159
19 Gallon, 120V – Ariston Electric Water Heater – Compact Point of Use Tank for RV, Camper, Small Spaces, Plug-in Heating Solution for Under Sink, Versatile Electric Tank for Bathroom, Shower
- Compact and Versatile Design: The Ariston 19 Gallon Electric Mini Tank Water Heater features a compact design for installation in bathrooms, garages, and more, providing a flexible hot water option.
- Swift Heating for Various Uses: This point-of-use electric water heater provides immediate stored water for on-demand use. It
Amazon

$ 351.5

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October 22, 2025 4:32 pm

ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
- Compact Design: ECOTINYMACH's tankless water heater is designed with a compact footprint, offering an efficient solution for heating water without consuming unnecessary space.
- Convertible Temperature Scale: Unique feature of our heater allows you to switch between Fahrenheit and Celsius temperature scales conveniently, enabling you to monitor the water
Amazon

$ 59.99

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October 22, 2025 4:32 pm

ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
- Compact Design: ECOTINYMACH's tankless water heater is designed with a compact footprint, offering an efficient solution for heating water without consuming unnecessary space.
- Convertible Temperature Scale: Unique feature of our heater allows you to switch between Fahrenheit and Celsius temperature scales conveniently, enabling you to monitor the water
Amazon

$ 59.99

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