Heat Ember™ Tankless Electric Water Heater 3500W with Instant Hot Water

$433.95 $129.95 SAVE 70%
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Skip the wait for hot water

Cold water at the tap on a winter morning is a rough start. This compact tankless unit mounts on the wall or under the sink and heats water on demand, so warm water arrives within seconds. Great for bathrooms, kitchens and offices short on space.

Why you'll love it

  • On-demand heat: Hot water in seconds with no preheating
  • 3500W power: Activates only during water flow
  • Space-saving: Measures 7.5 x 5.9 x 2.8 in and weighs 2.6 lb
  • Safety features: Overheat protection and IPX4 rating
  • Consistent output: Automatic power regulation, 86–131°F range

Perfect for: Kitchen sinks, bathrooms, offices and workshops

We offer fast, free shipping with no minimum order value. Every order can be tracked at any time using its own tracking number.

We offer a 30-day right to return or exchange if for any reason you are not satisfied with your order.

The Heat Ember promise

30-Day Money-Back Guarantee

Try it at home for 30 days. If it doesn't keep you as warm as you hoped, send it back and we'll refund you — no hassle.

Every order ships with tracking, and our team is one email away at support@heatember.com.

This winter, cold doesn't stand a chance

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Frequently asked questions

Most of our heaters and warmers give noticeable heat within one to two minutes. Exact times are listed in the product description.

Our heaters are designed with safety features such as overheat protection, and many also have tip-over protection — check the product description for the exact features. Never cover a heater and always follow the instructions.

Plug-in products come with a US-compatible plug or adapter. Car products use the standard 12V outlet found in US cars.

Because you only heat the space or person you need, you often use far less energy than heating the whole house. The wattage is shown on every product page.

Yes, you can return items within 30 days after delivery. Contact us at support@heatember.com and we'll guide you through it.

As soon as your order ships you'll receive a tracking number by email.

We accept major cards, PayPal and Apple Pay. All payments are encrypted and processed securely.

Email us at support@heatember.com — we usually reply within 2 business days.

Tracked delivery

Every order ships with a tracking number.

30-day returns

Not happy? Send it back within 30 days.

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Heat Ember™ Tankless Electric Water Heater 3500W with Instant Hot Water
Heat Ember™ Tankless Electric Water Heater 3500W with Instant Hot Water
$433.95 $129.95