Max Warehouse

33169 1161 NW 159th Drive US FL

Phone: (800)210-0132

Tired of running out of hot water or losing space to a bulky tank? Tankless water heaters deliver hot water on demand, with energy savings and compact designs that fit almost anywhere. Here, you'll find trusted options to match your home, fuel source, and budget—plus clear guidance to choose with confidence. For even more options, explore our full Water Heaters selection.

Tankless Water Heaters: Which Features Matter Most for Your Home?

Start with how a tankless unit works. It heats water only when you open a tap, so you get continuous hot water without standby losses. Look for these key features:

• Fuel type: Electric models are compact and straightforward to install. Gas and propane units deliver high output for larger households.
• Power and performance: Compare wattage (electric) or BTU (gas/propane) to match your hot water demand and climate.
• Efficiency: On‑demand heating reduces wasted energy and helps lower utility bills.
• Footprint: Wall‑mount, space‑saving designs free up closets, garages, or utility rooms.

Popular picks to consider:

• Titan 11.8 W Tankless Electric Tankless Water Heater – A compact electric solution for point‑of‑use or smaller loads.
• EcoSmart 18 W Tankless Electric Water Heater – Digital temperature control and efficient, on‑demand performance.
• EcoSmart 27000 W Tankless Electric Water Heater – Higher output for multi‑fixture homes seeking electric convenience.

Enjoy fast and reliable shipping from 14 nationwide warehouses and professional support that helps you get it right the first time. Watch for seasonal promos and bundle accessories for the best value.

Tankless Hot Water Heaters: How Do You Size and Choose Fuel Type?

Correct sizing ensures steady hot water without overpaying on capacity. Follow these tips:

• Estimate peak flow: Add the gallons‑per‑minute you need at the same time (shower + sink + appliance).
• Determine temperature rise: Subtract incoming water temperature from your target set point.
• Match power to demand: Higher wattage (electric) or BTU (gas/propane) supports greater flow and colder climates.
• Check utilities: Verify electric service (breaker size, wire gauge) for electric models, or gas line size and venting path for gas/propane units.

Not sure if tankless is right for your setup? Compare with our traditional tank water heaters. Narrowing to a fuel type? Browse dedicated categories for electric water heaters, gas water heaters, and propane water heaters to see what fits your home best.

On-Demand Water Heaters: Installation, Care, and Buying Tips

For best results, follow manufacturer specs and local codes. Many homeowners hire a licensed pro—especially for gas or high‑amp electric units. Pro tips:

• Plan placement: Shorter pipe runs mean quicker hot water to fixtures.
• Protect the unit: Use isolation valves for easy flushing; consider scale control in hard‑water areas.
• Set safe temps: 120°F helps reduce scald risk and saves energy.
• Maintain annually: Flush to remove mineral buildup and keep performance strong.

At Max Warehouse, you'll find trusted brands—including Titan, EcoSmart, Reliance, and Bosch—backed by an unmatched assortment of 200K+ SKUs across 14 nationwide warehouses. Free shipping on orders over $99!* Enjoy discounts on a wide range of products, easy ordering, and bilingual support that's ready to help.

Ready to upgrade to efficient, space‑saving hot water? Choose the tankless model that fits your home and order today. We'll get it to your door fast so your project stays on schedule.

*For qualified orders