Midea Water Heater 50-Gallon (MCHW-50VN3B) is a heat pump (hybrid electric) water heater from Midea with a 46 gallon rated tank and a 71 gallon first-hour rating at a 3.75 UEF — 861 kWh/yr certified use, 46.6 in tall.
Also sold as the Midea Water Heater 50-Gallon (CAN3-RSJ-15/190RDVN3-L4). This model is the same certified
hardware as the Midea Water Heater 50-Gallon (CAN3-RSJ-15/190RDVN3-L4), 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)
3.75
Annual electricity use
861 kWh/yr
Recovery efficiency
420 %
General
Fuel
Electric
Capacity
First-hour rating
71 gal
Rated storage volume
46 gal
Draw pattern
Medium
Heat pump
Heat pump type
240 Volt Integrated HPWH
Refrigerant (GWP)
R-134a (GWP:1430)
Compressor low-temp cutoff
37.4 °F
Installation
Input voltage
240
Max current draw
24 A
Smart features
Smart / connected capable
Yes
Dimensions
Height
46.6 in
Diameter
18.3 in
Certification
ENERGY STAR certified
Yes
Who is the Midea Water Heater 50-Gallon (MCHW-50VN3B) for?
Its 71 gallon first-hour rating suits a
household of 3–4 people under DOE sizing guidance.
Estimated running cost: about $146/year at the national
average electricity rate (861 kWh/yr certified use).
Needs a 240 V circuit; at 24 A max draw plan for a 30 A breaker (NEC 125% continuous-load rule).
The heat pump compressor operates down to 37.4 °F ambient — below that, backup
elements take over.
Is the Midea Water Heater 50-Gallon (MCHW-50VN3B) ENERGY STAR certified?
Yes, the Midea Water Heater 50-Gallon (MCHW-50VN3B) holds a current ENERGY STAR certification for water heating efficiency (UEF 3.75).
How much does the Midea Water Heater 50-Gallon (MCHW-50VN3B) cost to run per year?
About $146 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 electrical circuit does the Midea Water Heater 50-Gallon (MCHW-50VN3B) need?
The Midea Water Heater 50-Gallon (MCHW-50VN3B) runs on a 240 V circuit drawing up to 24 A; per the NEC 125% continuous-load rule plan for at least a 30 A breaker (check the installation manual for the required circuit).
Is the Midea Water Heater 50-Gallon (MCHW-50VN3B) a smart water heater?
Yes, the Midea Water Heater 50-Gallon (MCHW-50VN3B) is connected-capable, with app control and eligibility for most utility demand-response programs.
