Magazine

Know-how on solar, storage and heat pumps.

New Auslegung · October 21, 2026

Air-to-Water Heat Pump: Selection and Sizing Step by Step

How do you find the right air-to-water heat pump? We explain heating load, flow temperature, storage, noise and installation location, and provide a checklist for your conversation with the installer.

Read on

Batteriespeicher
Combining a Heat Pump with Photovoltaics: How to Raise Your Self-Consumption
October 21, 2026 · 9 min reading time
Balkonkraftwerk
Balcony Solar Systems for Tenants and Owners in Germany: When Landlords and Owners' Associations Must Consent
October 21, 2026 · 8 min reading time
Batteriespeicher
0 Percent VAT on Photovoltaics in Germany: What § 12 Abs. 3 UStG Regulates
October 21, 2026 · 8 min reading time
Balkonkraftwerk
Germany's Solar Peak Act: What Applies to PV Systems, Storage and Balcony Power Plants?
October 21, 2026 · 9 min reading time
Photovoltaik Steuervorteile Wien
VAT exemption for solar systems in 2024: an overview for Germany, Austria and Switzerland
January 14, 2024 · 3 min reading time
Balkonkraftwerk
The postponement of "Solar Package 1": a setback for the energy transition?
December 27, 2023 · 3 min reading time
Balkonkraftwerk
Germany's revolutionary Solar Package I: on the way to a bright future
November 29, 2023 · 2 min reading time
Balcony power plants: a comprehensive introduction
November 3, 2023 · 2 min reading time
Solar systems: everything you need to know
November 3, 2023 · 2 min reading time

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