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Comparison numbers
| 23 | Products researched | |
| 9 | Research hours | |
| 320 | Readers | |
| 9,947 | Customer ratings |
Best Small Flow Heaters
Mini Water Heater Comparison 2026
Sort & Filter
RatingHow we compare
Customer rating (from Amazon)
Available at
Manufacturer
General features
Dimensions
Colour
Weight
Product properties
Drive type
Power
Water connection
KNX capable
Voltage
Display
Advantages
Disadvantages
Shipping (Amazon)
Best Product
Best Product



Rating
1
AEG MTH 350
Customer rating
522 reviewsAmazon
Available at

see vendordays

see vendordays
Manufacturer
AEG
General features
Dimensions
3,2 x 5,6 x 7,5 in
Colour
White
Weight
3,1 lb
Product properties
Drive type
Electricity
Power
3,5 kW
Water connection
3/8 Inches
KNX capable
Voltage
230 V
Display
Advantages
- Easy setup via the extensive manual
Disadvantages
- Not KNX-compatible
Shipping (Amazon)
see vendorAmazon



Rating
2
AEG MTD 350
Customer rating
185 reviewsAmazon
Available at

see vendordays

see vendordays
Manufacturer
AEG
General features
Dimensions
3,2 x 5,6 x 7,5 in
Colour
White
Weight
3,1 lb
Product properties
Drive type
Electricity
Power
3,5 kW
Water connection
3/8 Inches
KNX capable
Voltage
230 V
Display
Advantages
- Questions can be answered in the manual
Disadvantages
- Not KNX-compatible
Shipping (Amazon)
see vendorAmazon
Bestseller
Bestseller



Rating
3
SATOHA ECO MINI 2.5
Customer rating
379 reviewsAmazon
Available at

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see vendordays00$
Manufacturer
General features
Dimensions
10,9 x 10,9 x 17 in
Colour
White
Weight
15,9 lb
Product properties
Drive type
Electric
Power
Water connection
KNX capable
Voltage
120 V
Display
Advantages
Disadvantages
Shipping (Amazon)
see vendorAmazon



Rating
4
AEG MTH 570
Customer rating
522 reviewsAmazon
Available at

see vendordays

see vendordays
Manufacturer
AEG
General features
Dimensions
3,2 x 5,6 x 7,5 in
Colour
White
Weight
3,1 lb
Product properties
Drive type
Electricity
Power
3,5 kW
Water connection
3/8 Inches
KNX capable
Voltage
230 V
Display
Advantages
- Easy setup via the extensive manual
Disadvantages
- Not KNX-compatible
Shipping (Amazon)
see vendorAmazon



Rating
5
AEG MTH 440
Customer rating
522 reviewsAmazon
Available at

see vendordays

see vendordays
Manufacturer
AEG
General features
Dimensions
3,2 x 5,6 x 7,5 in
Colour
White
Weight
3,1 lb
Product properties
Drive type
Electricity
Power
3,5 kW
Water connection
3/8 Inches
KNX capable
Voltage
230 V
Display
Advantages
- Easy setup via the extensive manual
Disadvantages
- Not suitable for KNX
Shipping (Amazon)
see vendorAmazon
