Midea doesn’t get mentioned much in tankless water heater roundups, which is a little odd given the company’s size — Midea is one of the largest appliance manufacturers in the world and even builds compressors used inside other brands’ HVAC equipment. Its US tankless water heater lineup is small: two 240V electric models, the 13kW MHE13W2AWW and the 18kW MHE18W2AWW, both sold with WiFi app control and a price that undercuts EcoSmart and Rheem by a real margin. The question isn’t whether the hardware works — it’s certified, and the specs are competitive — it’s whether the shorter warranty is a fair trade for the lower price.
Midea’s tankless lineup at a glance
| Model | Best for | Power | Max Flow | Control | Price |
|---|---|---|---|---|---|
| MHE13W2AWW | Single bathroom / point-of-use demand | 13 kW / 240V | ~3 GPM (warm-climate max) | Touch panel + WiFi app | ~$200–$230 |
| MHE18W2AWW | Small home / higher simultaneous demand | 18 kW / 240V | ~4.3 GPM (warm-climate max) | Touch panel + WiFi app | ~$250–$270 |
Prices per Midea's own product pages and current Amazon listings for the MHE13W2AWW and MHE18W2AWW. Amazon pricing fluctuates — check the current listing before buying rather than assuming these figures still hold.
By the numbers
- ~4.3 GPM — Midea’s warm-climate maximum flow rating for the 18kW MHE18W2AWW, per Midea’s own product listing — treat it as a best-case ceiling, not a year-round figure, since colder inlet water reduces real usable flow on every electric tankless unit. — per Midea’s product specifications
- 1 year — Midea’s general limited warranty term on parts and workmanship, versus the 5-year parts terms Rheem and Rinnai attach to comparable electric or gas units, or EcoSmart’s lifetime coverage on its whole-home ECO line. — per Midea’s published warranty terms
- ~$250 — the street price Midea’s 18kW unit has listed at on Amazon, roughly half the $474.99 street price of a comparably-outputted whole-home electric unit like Atmor’s 29kW AT-29WH-HD. — per current Amazon listings
1. Midea MHE13W2AWW — Best for a Single Bathroom
Midea 13kW Electric Tankless Water Heater (MHE13W2AWW)
- ETL, NSF, and DOE certified, with a copper heating element and a digital touch display — the same certification tier as the established brands, at a lower price point.
- WiFi app control lets you set and monitor temperature remotely, a feature EcoSmart and Atmor's budget-tier models generally don't include.
- Sized for a single bathroom or a sink-plus-point-of-use load, not simultaneous multi-fixture demand — compare it against our best point-of-use water heater roundup if your need is narrower still.
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The 13kW model is Midea’s entry point, and it’s a reasonable fit for a single-bathroom home, an apartment, or a secondary living space where one fixture at a time is the realistic demand pattern. Like every electric tankless unit, its real-world flow depends heavily on your incoming water temperature — the published GPM figure assumes warm-climate inlet water, and a cold-climate winter will pull actual output below that number.
2. Midea MHE18W2AWW — Best for Higher Simultaneous Demand
Midea 18kW Electric Tankless Water Heater (MHE18W2AWW)
- Rated to roughly 4.3 GPM in warm-climate conditions, enough headroom for a shower plus a second light fixture running at once in a mild climate.
- At roughly $250–$270, it undercuts a comparably-output unit like Atmor's whole-home line by a wide margin — but confirm your electrical panel has the spare 240V capacity an 18kW draw requires before ordering.
- Same ETL/NSF/DOE certification and WiFi app control as the 13kW model, just scaled up for more simultaneous draw.
The 18kW model is the better fit for most small-to-mid homes weighing Midea against EcoSmart or Rheem’s mid-tier electric units, since 4.3 GPM (warm-climate max) covers a shower plus light secondary use in a mild climate. It’s still an electric tankless unit, though, so a cold-climate household with 40°F winter inlet water should size expectations down accordingly — see our tankless water heater sizing guide before assuming the rated GPM will hold up in January.
How to choose between the two Midea models
- One bathroom or a point-of-use load: the 13kW MHE13W2AWW.
- A small home wanting headroom for a shower plus a second fixture: the 18kW MHE18W2AWW.
- Weighing Midea against EcoSmart or Atmor: see our best EcoSmart tankless water heater guide and best Atmor tankless water heater guide — both cost more than Midea but back their units with longer coverage, so weigh the savings against how long you plan to keep the unit.
- Cold-climate household: don’t rely on the top-end GPM figure; check our best electric tankless water heater roundup for units with published cold-climate flow data before buying either Midea model.
The bottom line
Midea’s tankless water heaters are real, certified hardware from a genuinely large manufacturer, priced well below EcoSmart, Rheem, and Atmor for comparable output — the 13kW MHE13W2AWW for a single bathroom, the 18kW MHE18W2AWW for a small home wanting more simultaneous flow. The tradeoff is warranty length: a 1-year general term instead of the 5-year-or-longer coverage the established electric brands on this site offer. That’s a reasonable bet for a secondary property or budget-conscious swap, and a bigger risk to weigh carefully if it’s the only hot water source in your primary home. For the full field of electric options at every price and warranty tier, see our best electric tankless water heater roundup, or start with our best tankless water heater guide to compare every brand side by side.