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Xiaomi has introduced a new smart home appliance in China, the Mijia Smart Gas Water Heater 2 16L. The natural gas water heater will launch on September 15 for 2,899 yuan ($432), while its regular retail price is set at 2,999 yuan ($446).
Mijia Smart Gas Water Heater 2 Specifications
The heater features a thermal efficiency of up to 107%, exceeding China’s 98% threshold for a first-class energy efficiency rating. It achieves this through secondary condensation heat-exchange technology, which recovers and reuses heat from the exhaust gases that would otherwise be lost.
Normally, this condensation process creates an acidic liquid runoff, which requires a dedicated drain pipe. Xiaomi bypassed this by building in a condensate management system. The unit runs the fluid through a mineral neutralization module to lower its acidity.
After that, a high-speed centrifugal atomizer breaks the liquid down into fine droplets and pushes it straight out the exhaust pipe. It’s a structural change that prevents internal pipe corrosion and saves buyers from having to drill into walls or run extra plumbing just for drainage.
For apartments with older plumbing or generally low water pressure, the heater includes a built-in TSI DC variable-frequency booster pump. According to Xiaomi’s test data, the pump can increase water flow by up to 245%, supporting a 10-meter head and a 120-meter circulation loop. It also has a preheating feature that warms water resting in the pipes before you turn on the tap.
To keep water temperatures consistent, the heater uses a dual-drive water servo system. It tracks incoming water pressure and temperature, tweaking the gas and combustion ratios so the water doesn’t suddenly go cold if someone turns on another sink. The combustion chamber itself is sealed and uses a bottom-mounted fan that Xiaomi says can keep the flame stable even against Force 12 winds.
The rest of the hardware covers standard smart home and maintenance features. It has a six-stage water filtration system to catch sediment and bacteria, and it connects to the Mijia app via 2.4GHz Wi-Fi and Bluetooth 5.0 for remote scheduling and voice control. Thanks to internal vibration dampening and a low-noise burner, the operating noise sits at a relatively quiet 32dB(A).
In related news, Xiaomi has recently launched the Mijia Smart Bathroom Heater 2 with 3,000W heating and advanced temperature and humidity sensing, along with a new 500mL thermos made from baby bottle-grade PPSU and 316L stainless steel.
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