Your cart is empty.

Dennerle Nano Heater Compact

Dennerle Nano Heater Compact

  • Regulating heater for nano aquaria
  • For fresh- and salt water
  • Very wide temperature range, adjustable from 20°C to 33°C
  • Modern, slim shape. Heater is just 9 mm thick
In stock, only 15 left
Free shipping on orders over € 50.- within Germany Change region
Express delivery possible
2-4 business days - order today and we’ll deliver next week on Wednesday at the earliest
I want to order to 
incl. VAT
plus € 4.90 Shipping
Item is now in your shopping cart!
View my cart

Item question

We’re here for you!

Please enter your question and e-mail and we’ll contact you as soon as possible. It usually takes us up to 24 hours during business days to respond.

Thank you for your question!

Thank you, we’ll get in touch!

Close window

You already sent us a question.

Please wait a few minutes


The Dennerle Nano Heater Compact heaters convince especially because of their flat design and the visually appealing black color. They are available in 4 different watt strengths. A shatterproof plastic housing and the integrated electronic protection against a defect during dry running as well as overheating of the aquarium make a long life possible.


  • Heater with a particularly flat design
  • Available in 4 different watt strengths
  • Easy to use
  • Shatterproof platic housing
  • Dry running protection
  • Temperature range from 20-33°C
  • Low energy consumption/li>

Technical Data

Dennerle Nano Heater Compact - 25 Watt
Capacity in litres 10-30 l
Power Output in Watt 25 W
Height 163 mm
Length 48 mm
Width 25 mm
Weight 185 g
Voltage 220-240 V
Dennerle Nano Heater Compact - 50 Watt
Capacity in litres 30-60 l
Power Output in Watt 50 W
Height 163 mm
Length 48 mm
Width 25 mm
Weight 185 g
Voltage 220-240 V
Dennerle Nano Thermo Compact - 100 Watt
Capacity in litres 60-150 l
Power Output in Watt 100 W
Height 210 mm
Length 48 mm
Width 27 mm
Weight 200 g
Voltage 220-240 V
Dennerle Nano Heater Compact - 150 Watt
Capacity in litres 90-180 l
Power Output in Watt 150 W
Height 274 mm
Length 48 mm
Breite 25 mm
Width 310 g
Voltage 220-240 V


2-year warranty

Dennerle guarantees the performance of this product for the duration of 24 months, given that the purchasing person is also the consumer. The legal defect rights towards Aquasabi GmbH & Co. KG according to §§ 437 ff. BGB (German Civil Code) are not compromised by this warranty.

Extract from the warranty policy by Dennerle

"Guarantee period: 24 months (except wearing parts)
When submitting guarantee claims, please send the equipment to Dennerle's Customer Service department together with the receipt providing proof of purchase. The guarantee covers manufacturing and material defects. Defective parts will be replaced or repaired free of charge during the guarantee period, provided that the equipment has been used only in the correct manner and for the intended purpose. During the guarantee period, the device may only be opened by Dennerle's Customer Service personnel, otherwise the guarantee coverage will lapse. No claims shall be assertible beyond the value of the device, e.g. for damage to fish or plants" Source: User Manual, last viewed 03.11.2021

Dennerle GmbH
Industriestraße 4
66981 Münchweiler an der Rodalb, Germany



General information

Item no.
EAN 4001615056976
Weight 0,24 kg
Shipping weight 0,10 kg

Customer reviews

This item has been rated 4.4 out of 5 stars
7 Reviews
Please sign in if you want to write a review. Sign in
5 Stars(5)
4 Stars(1)
3 Stars(0)
2 Stars(1)
1 Star(0)
Eileen H.
Room for improvement
21st December 2020
Dennerle - Nano Heater Compact - 50 W
Dennerle - Nano Heater Compact - 50 W

When I got it it seemed fine, but fitting to tank I noticed the mounting is extremely insecure. It flaps about and doesnt sit flush to the glass. (read more)

Anders M.
Good heater!
8th April 2020
Dennerle - Nano Heater Compact - 100 W
Dennerle - Nano Heater Compact - 100 W

Really like this heater, it is not as high as my Eheim heaters of same wattage and the one I got is really good at holding the temperature steady, I have some that are not as... (read more)

Kevin K.
sehr schöner und genauer Heizer
4th June 2017
Dennerle - Nano Heater Compact - 50 W
Dennerle - Nano Heater Compact - 50 W

Ich habe mir den Heizer bestellt trotz das ich keine oder nur wenige Bewertungen im Internet gefunden habe. Als der Heizer bei mir ankam, war ich sehr positiv überrascht. (read more)

View all reviews