Midea MGWH180IXNP is a gas tankless water heater from Midea rated 5.2 GPM at a 0.95 UEF — 175 therms/yr certified use, 180k BTU/h input.
Also sold as the Midea MGWH180IXNN. This model is the same certified
hardware as the Midea MGWH180IXNN, published under a
different brand — full details, comparisons, and pricing live on that page. The
certified figures below are identical.
Efficiency
Uniform Energy Factor (UEF)
0.95
Annual gas use (natural gas)
175 therms/yr
Annual propane use
191.25 gal/yr
General
Fuel
Natural Gas
Capacity
Max flow rate
5.2 GPM
Draw pattern
High
Minimum activation flow
0.6 GPM
Performance
Gas input rate
180 kBTU/h
Installation
Max current draw
1.3 A
Vent type
Power Direct Vent
Vent size
2 / 3
Smart features
Smart / connected capable
No
Dimensions
Height
26.8 in
Width
17.3 in
Depth
11 in
Certification
ENERGY STAR certified
Yes
Real flow rate by climate
A tankless heater's usable flow depends on how far it must raise incoming water
temperature. Sustained hot-water flow of the Midea MGWH180IXNP at common temperature
rises (a typical shower uses about 2 GPM of mixed water):
Yes, the Midea MGWH180IXNP holds a current ENERGY STAR certification for water heating efficiency (UEF 0.95).
How much does the Midea MGWH180IXNP cost to run per year?
About $254 per year at national average energy rates, based on its certified annual energy use under the DOE test draw pattern. Your rate and usage change this figure.
What venting does the Midea MGWH180IXNP use?
The Midea MGWH180IXNP uses Power Direct Vent venting with 2 / 3 in vent connections. Matching the existing vent type is usually the cheapest replacement path.
Is the Midea MGWH180IXNP a smart water heater?
No, the Midea MGWH180IXNP is not connected-capable — it has no app connectivity or demand-response support.
