Blog — tips and news
Practical knowledge about electrical installations and renewable energy
Home Alarm System — A Complete Guide
How to choose and install an alarm system. Motion sensors, door contacts, phone notifications and CCTV integration.
Home IP CCTV — How to Choose the Right System in 2026
A complete guide to home IP surveillance systems. Comparison of cameras, NVRs, and mobile apps.
ALTECH Specialists Renew SEP 2026 Certifications
Our entire technical team has successfully passed SEP examinations. We hold E and D qualifications up to 1 kV and 15 kV — full scope for every project.
EV Charging Stations — New Requirements for Detached Houses in 2026
Updated regulations introduce mandatory protections, certifications and acceptance protocols for home electric vehicle charging stations.
When to Replace Your Electrical Installation? 7 Warning Signs
Find out if your electrical installation needs replacing. Learn the 7 most important warning signs that may indicate danger.
Photovoltaics in 2026 — Is It Still Worth It in Silesia?
An analysis of photovoltaic profitability in 2026. Check current subsidies, installation costs and return on investment in Silesia.
The 5-Year Electrical Installation Inspection — What You Need to Know
Mandatory electrical installation inspection every 5 years. Find out who must carry it out, how much it costs and what the consequences of non-compliance are.
How Much Does a House Electrical Connection Cost in 2026?
A comprehensive guide to electrical connection costs. Find out how much you will pay for a low-voltage and medium-voltage connection in 2026.
Heat Pump or Photovoltaics — Which Should You Choose?
A comparison of heat pumps and photovoltaics. Which investment is more profitable? Check the costs, savings and subsidies.
How to protect your home electrical installation?
Surge protection, RCD devices, grounding, and circuit breakers — a complete guide to securing your home electrical installation.
Electrical switchboard — how to choose the right one?
Types of switchboards, number of modules, manufacturers, and equipment — a practical guide to selecting the right distribution board.
Building a low-voltage connection — step by step
The process of building a low-voltage (LV) connection from application to commissioning — documentation, excavation, cable laying, and meter installation.
Transformer station — when is it needed?
When does an investor need their own transformer station? Types of stations, costs, permits, and connection to the medium-voltage grid.
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