This refrigerator is rated A+++ for energy efficiency. Based on typical energy prices we estimate that the 24 year running cost of the K 34423 I is £165, which makes it one of the cheapest to run refrigerators of a comparable age and type.
The K 34423 I has one of the lower energy usage (only 0.19 kilowatts hour per 24 hours) amongst Builtin fridges of this age. The lowest energy usage of Builtin fridges that came out more than a year ago is 0.17kWh/24h, the highest is 0.37kWh/24h, and the average energy usage is 0.28kWh/24h.
At only 10 ampere, the K 34423 I has a quite low current compared to most of the other fridges of this type and age. The average current of Builtin fridges that have been around for a comparable time to the K 34423 I is 10A, and the currents range from 0.45A to 16A.
Across all the refrigerators of a similar type and age to the K 34423 I the net capacities range from 100L to 330L, and the average net capacity is 190L. The K 34423 I has one of the bigger net capacities (216 liters) amongst refrigerators of this age.
If this refrigerator net capacity is not big enough for you then you might want to look at the Bosch KIR24V20GB (£339.00) (221L), or the Siemens KI81RAF30G (£665.00) (319L).
At only 544 millimeters, the K 34423 I is fairly shallow compared to most of the other refrigerators of this type and age. The depths of similar spec refrigerators that have been available for around the same time as the K 34423 I range from 540mm to 550mm, and the average depth is 550mm.
If you are not bothered about having a deeper depth then you might also want to look at the Neff KI8513D30G (£722.99) (545mm), the Bosch KIR81AF30 (£659.99) (545mm), or the Liebherr IKS 1610 (£483.83) (544mm).
This fridge has a SN (Subnormal)  ST (Subtropical) climate class, which is the most frequently found climate class on fridges of a similar type and age to it.
Like most of the other refrigerators of a comparable age and type to the K 34423 I, the K 34423 I does not have a water dispenser.
There are a number of alternative refrigerators which also have a water dispenser that you might also want to look at including the HS1622 (£149.00), the HUL1622 (£179.00), or the HS2322L (£419.99) all from Hotpoint.
Most Builtin fridges that are a comparable age to the K 34423 I have between one and two number of vegetable drawers, including the Miele K 34423 I which has one number of vegetable drawer.
With a weight of 49.4 kilograms, the K 34423 I is quite heavy compared to most of the other fridges that have been available for more than a year. Across all the similar spec fridges that were released one year ago the weights range from 27kg to 68kg, and the average weight is 40kg.
With a cable length of only 2.1 meters, the K 34423 I has a fairly short cable length compared to most of the other fridges that have been around for a comparable time to the K 34423 I. Across all the Builtin fridges that have been around for a similar time to the K 34423 I the cable lengths range from 2m to 2.5m, and the average cable length is 2.3m.
It was over a year ago when Miele released the K 34423 I.
At 38 decibels, the K 34423 I has a pretty standard noise level compared to most of the other Builtin fridges that are a comparable age to the K 34423 I.
It may also be worth also looking at one of the other 38dB noise level refrigerators currently available including the Bosch KUR15A50 (£280.00) which has better reviews.
If you are not worried about having a louder noise level then you might also want to look at the Hotpoint HS1622 (£149.00) (38dB), or the Electrolux ERN1401AOW (£399.00) (38dB).
At 1,218 millimeter, the K 34423 I has a pretty standard height compared to most of the other fridges of this age and type.
Design  
Case  Builtin 
Bottle Rack  Yes 
Egg Balcony  Yes 
Number of Vegetable Drawer  1 
Shelves/baskets  4 
Display Type  4 
BuiltIn Display  Yes 
Control  Sensor 
Reversible Door  Yes 
Door Hinge  Right 
Colour  White 
Performance  
Net Capacity  216L 
Noise Level  38dB 
Climate Class  SN, ST, T, SN (Subnormal), ST (Subtropical), SN (Subnormal)  ST (Subtropical) 
Ergonomics  
Cable Length  2.1m 
Door Open Alarm  Yes 
Technical Details  
Power  
Energy Efficiency Class  A+++ 
Annual Energy Consumption  70kWh 
Current  10A 
Energy Usage  0.19kWh/24h 
AC Input Voltage  2024 
Weight & Dimensions  
Height  1,218mm 
Width  559mm 
Depth  544mm 
Weight  49.4kg 
Installation Compartment Height  1,220mm 
Installation Compartment Depth  550mm 
Installation Compartment Width  560mm 
Other Features 
Electricity cost  £164.50 
Electricity cost when on standby  
@ £0.139 per kwh  Edit electricity price and usage
kwh per hour
Electricity price £per kilowatt hour
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Water cost when switched on  
@ £0.003474 per litre  Edit water usage and price
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Water price £per litre
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Total running cost over 10 years  £164.50 
Running this fridge over 10 years will generate 0.82 tonnes of carbon dioxide (CO_{2}).  
To offset that much CO_{2} you would need to plant 21 tree seedlings and grow them for 10 years. 
Manufacturer Part Numbers  miele k34423, miele k34423i 
Barcodes  04002515159644 
vs  
Siemens KI81RAF30G  Miele K 34423 I  
£ 665.00 
Two Number of Vegetable Drawers  
Higher Energy Efficiency Rating  
Three More Shelves/basketss  
33% Bigger Net Capacity  
66% Higher Running Costs Over Five Years  
32% Taller 
vs  
Siemens KI41FAF30  Miele K 34423 I  
£ 750.05 
Energy Efficiency Rating is Superior  
One More Number of Vegetable Drawer  
9% Longer Cable Length  
Moderately Lighter  
£117.42 More Expensive to Run Over Five Years  
Older by Seven Months 
vs  
Gorenje RI4122AW  Miele K 34423 I  
£ 304.61 
Energy Efficiency Rating is Better  
8.4kg Lighter  
Five Shelves/basketss  
Older by Nine Months  
£79.84 More Expensive to Run Over Five Years 