Comparison numbers

23 Products researched
9 Research hours
320 Readers
17,841 Customer ratings

Best Small Flow Heaters

Mini Water Heater Comparison 2025

Sort & Filter
Best Product
Stiebel Eltron DNM 3
Stiebel Eltron DNM 3
Amazon
Bestseller
SATOHA ECO MINI 2.5
SATOHA ECO MINI 2.5
Amazon
AEG MTD 350
AEG MTD 350
Amazon
Best Price
Ariston 3626292
Ariston 3626292
Amazon
Stiebel Eltron DEM 3
Stiebel Eltron DEM 3
Amazon
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
AmazonStiebel Eltron DNM 3
Rating
Excellent01/2025

1

Stiebel Eltron DNM 3
Customer rating
Amazon1,362 reviews
Check Price
Available at
165,49 £
see vendordays
see vendordays
Manufacturer
Stiebel Eltron
General features
Dimensions
3,2 x 5,6 x 7,5 in
Colour
White
Weight
3,1 lb
Product properties
Drive type
Electric
Power
0 kW
Water connection
3/8 Inches
KNX capable
Voltage
230 V
Display
Advantages
  • Manual offers an answer to everything
Disadvantages
  • Not KNX-compatible
Shipping (Amazon)
see vendor
Check Price
Bestseller
Bestseller
AmazonSATOHA ECO MINI 2.5
Rating
Excellent01/2025

2

SATOHA ECO MINI 2.5
Customer rating
Amazon425 reviews
Check Price
Available at
224,07 £
see vendordays
see vendordays
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 vendor
Check Price
AmazonAEG MTD 350
Rating
Very Good05/2025

3

AEG MTD 350
Customer rating
Amazon195 reviews
Check Price
Available at
251,21 £
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 vendor
Check Price
Best Price
Best Price
AmazonAriston 3626292
Rating
Very Good05/2025

4

Ariston 3626292
Customer rating
Amazon35 reviews
Check Price
Available at
104,49 £
see vendordays
132,52 £
see vendordays00£
137,07 £
see vendordays2.992.99£
104,49 £
4 daysdays00£
Manufacturer
Ariston
General features
Dimensions
9,1 x 12,4 x 13 in
Colour
White
Weight
11,2 lb
Product properties
Drive type
Electricity
Power
1,5 kW
Water connection
KNX capable
Voltage
Display
Advantages
Disadvantages
Shipping (Amazon)
4 days
Check Price
AmazonStiebel Eltron DEM 3
Rating
Very Good01/2025

5

Stiebel Eltron DEM 3
Customer rating
Amazon7 reviews
Check Price
Available at
271,96 £
see vendordays00£
see vendordays
Manufacturer
Stiebel Eltron
General features
Dimensions
3,2 x 5,6 x 7,5 in
Colour
White
Weight
3,7 lb
Product properties
Drive type
Electricity
Power
3,5 kW
Water connection
3/8 Inches
KNX capable
Voltage
230 V
Display
Advantages
  • Solar-compatible model
  • Scald protection included
  • Questions can be answered in the manual
Disadvantages
  • Unsuitable for KNX
Shipping (Amazon)
see vendor
Check Price
Website only uses essential cookies: these cookies are required for the operation of the website. Users cannot deactivate essential cookies (except in browser). For further information, refer to privacy policy.