About Elisa Astrel

This author has not yet filled in any details.
So far has created 59 blog entries.

The updated list of our resellers

Our sales network for all 4-noks electronic solutions dedicated to solar PV self-consumption and energy monitoring is now available for the whole European territory. Take a look at the updated list to find the retailer closest to you:



For further information, do not hesitate to contact us: https://www.4-noks.com/contact-us/?lang=en

Case study / Eco-sustainable home: the power of Sun and 4-noks Elios4you technology

Green living: one of our customers from Bergamo, Italy, tells us why he introduced a solar PV system for smart self-consumption at his place.

Thermal storage: the greenest way to boost PV self-consumption

The solar PV field is creating a stir with regard to electrical energy storage systems (EES); meanwhile, increased attention has been focussed worldwide on an alternative and handy storage system: hot water.

The energy used for heating hot water for sanitary purpose (or other purposes) is a rather relevant item of expense in families, hotels, communities […]

Thank you for visiting 4-noks / Astrel Group at the fair Intersolar Europe

France: bonuses for solar PV self-consumption, 4-noks products meet requirements

In France two bonuses for the self-consumption of homegrown energy produced by solar PV systems are currently available: Tax credit on renewable resources (in French CITE) and reduced VAT to 5,5%.

4-noks products, notably Elios4you Smart and Power Reducer, comply with the requirements demanded by provisions on benefit reductions.

The 4-cloud portal now in French too

The management and analysis of data originating from solar PV systems are essential aspects not to be missed when dealing with monitoring systems: this is a very much welcomed service by installers and end users.

To meet the increasing demands on 4-noks products coming from France, the 4-cloud portal is now available also in the French […]

4-noks / Astrel Group at Intersolar Europe

4-noks / Astrel Group products at the fair in Johannesburg

Thank you for visiting 4-noks / Astrel Group at the fair BePositive

Eco-tips for sustainable living with Astrel Group Technologies

Sustainability makes your life more green.