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Expert knowledge on ventilation, heating, and building technology – clearly explained by our experts.

Radialventilator mit Metallgehäuse im Technikraum – Auswahl nach Volumenstrom und Druck
9. März 2026 · Lüftung

Selecting the Right Centrifugal Fan: Volume Flow & Pressure

Calculating volume flow, determining pressure loss, EC or AC motor: How to select the right radial fan for ...

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Edelstahlrohre und Kupferrohre im Vergleich auf der Werkbank – Trinkwasserinstallation
24. Februar 2026 · Sanitär

Stainless Steel vs. Copper in Drinking Water: Which is Better?

Stainless Steel or Copper Press Fittings in Drinking Water Systems? A Direct Comparison of Hygiene, Corrosi...

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Frische Luftfilter neben geöffnetem Lüftungsgerät – Wartungsplan für die Lüftungsanlage
11. Februar 2026 · Wartung

Ventilation System Maintenance Plan: When to Replace What?

Filters, heat exchangers, ducts: The complete maintenance plan for your ventilation system with all interva...

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Brandschutzklappe im Lüftungskanal an Betondecke – Brandschutz in Lüftungsanlagen
29. Januar 2026 · Brandschutz

Fire dampers in ventilation systems: Obligations & selection

When are fire dampers mandatory in ventilation systems, what classes are available, and how much do they co...

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Edelstahl-Dunstabzugshaube über Gasflammen in Großküche – Flammenschutzfilter nach DIN EN 16282-7
16. Januar 2026 · Brandschutz

Flame protection filters in commercial kitchens: Mandatory according to DIN EN 16282-7

Flame protection filters are mandatory in every commercial kitchen (DIN EN 16282-7). Here's how to choose t...

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Planer zeichnet Lüftungskanäle im Hausgrundriss – kontrollierte Wohnraumlüftung mit Wärmerückgewinnung planen
5. Januar 2026 · Lüftung

Planning KWL: Controlled ventilation with heat recovery

Up to 95% heat recovery: How to plan your controlled home ventilation — from selecting the right unit to fu...

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Moderne Edelstahl-Großküche mit Ablufthauben – Großküchenplanung mit Lüftung
15. Dezember 2025 · Küchenabluft

Planning a commercial kitchen: ventilation, hoods, stainless steel furniture

Planning a commercial kitchen made easy: from needs analysis, ventilation, and hoods according to DIN EN 16...

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Presswerkzeug am Rohr neben Lötbrenner – Pressfittings und Lötfittings im Vergleich
2. Dezember 2025 · Sanitär

Press vs. Solder Fittings: Which System Is Better?

Press fittings or solder fittings? A direct comparison reveals costs, installation time and service life – ...

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Wärmepumpe an der Hauswand mit Sparschwein – Wärmepumpen-Förderung von BAFA und KfW
19. November 2025 · Förderung

Heat Pump Subsidies 2026: Up to 70% Reimbursed by the State

Up to 70% Heat Pump Subsidy in 2026: all BEG bonuses, requirements, and the application step-by-step – incl...

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Taschenfilter und Kompaktfilter im Vergleich – Filterklassen M5, F7 und ePM für Lüftungsanlagen
7. November 2025 · Filter

Filter Classes for Ventilation Systems: M5, F7, F9 & ePM Explained

Filter classes explained simply: M5, F7, F9 and the new ePM values according to ISO 16890 – with conversion...

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Solarthermie und Photovoltaik auf dem Hausdach – Förderung für Solaranlagen
31. Oktober 2025 · Förderung

Subsidies for Solar Systems: Photovoltaics & Solar Thermal Explained Simply

Photovoltaics or solar thermal? How to optimally utilize government funding for solar systems via BAFA, KfW...

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Nachhaltiges Einfamilienhaus mit Solardach und Wärmepumpe – nachhaltige Wohnungstechnik
24. Oktober 2025 · Energie

Sustainable Home Technology: Heat Pumps, Solar & Water Conservation

Sustainable Home Technology at a Glance: How heat pumps, solar technology, and water saving reduce operatin...

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Why Wohnungstechnik.de

Your Partner for Heating, Air Conditioning, Plumbing & Ventilation

Selected manufacturers, verified quality and personal advice, everything from a single source for your home.

Fachhandelsqualität
1

Specialist-Retail Quality

We rely on selected manufacturers and verified quality. Whether heating, plumbing or ventilation , with us you will find durable products in specialist-retail quality.

Beratung & Service
3

Advice & Service

With many years of experience in the field of home technology we know our customers needs. Our team offers well-founded advice and helps find the optimal solution for your home.

Brand Partners

Partner Network with Leading Companies

Working with leading manufacturers, reliable quality from planning through the product to service.

Knowledge & Guide

Frequently Asked Questions

Everything important about home technology, answered concisely.

What is meant by home technology?

Home technology, also known as building services or Technical Building Equipment (TGA), covers all systems that provide and control heat, cooling, air and water in a building. This includes heating (e.g. heat pumps), air conditioning and cooling, ventilation (e.g. ventilation systems), plumbing as well as piping and drainage systems. Modern systems with control and smart-home technology ensure energy efficiency, a healthy indoor climate, comfort and everyday safety.

What benefits does modern home technology offer?

Modern home technology offers numerous benefits for owners and tenants:

  • Energy savings through efficient heating and air-conditioning systems
  • Healthier indoor climate through ventilation systems and air purifiers
  • Comfort & safety thanks to intelligent control systems (smart home)
  • Sustainability through heat pumps, solar systems and optimised water use
  • Increased property value through modern technical equipment
Which products belong to home technology?

Home technology includes, among others:

These systems form the basis for a functioning and energy-efficient home.

How do I find the right home technology for my home?

The right choice depends on various factors:

  • Apartment size and building type
  • Energy demand and insulation standard
  • Budget and funding options (e.g. for heat pumps or ventilation systems)
  • Individual requirements, such as energy-saving heating systems for low operating costs

Tip: At Wohnungstechnik.de you will find a large selection of tested products as well as expert articles and advice for the optimal solution.

Which home technology is subsidised by the government?

Many areas of modern home technology are subsidised in Germany through government programmes such as BAFA and KfW. Particular focus is on:

  • Heat pumps: high subsidies for replacing old heating systems
  • Solar systems: funding for photovoltaics and solar thermal
  • Energy-efficient heating systems: e.g. underfloor heating and hybrid solutions
  • Ventilation systems with heat recovery: for better energy efficiency and a healthy indoor climate

Thanks to these funding programmes, investment costs can be reduced considerably. More information in the guide and directly in the shop.

What is a controlled domestic ventilation system and when is it worthwhile?

A controlled domestic ventilation system (KWL) automatically exchanges stale indoor air for fresh outdoor air, without any need to open windows. Systems with heat recovery use the warmth of the exhaust air to preheat the supply air, saving heating energy. A KWL is especially worthwhile in new builds and renovated buildings with an airtight envelope, for allergy sufferers (pollen filters) and to prevent mould caused by excessive humidity.

How often should air filters in ventilation systems be replaced?

As a rule of thumb: check filters every 3 to 6 months and replace them depending on how dirty they are, but no later than after 12 months. In environments with high dust or pollen levels, more frequent replacement can make sense. Dirty filters reduce air quality, increase energy consumption and strain the system. Suitable replacement filters of all classes, from bag & compact filters to fine-dust filters (ePM1), are available directly in our shop.

What is an air pressure switch and when is it mandatory?

An air pressure switch monitors the air pressure in rooms where a fireplace (e.g. a chimney or wood stove) is operated together with an extraction system (e.g. a range hood or ventilation system). It prevents dangerous negative pressure that could draw toxic flue gases into the living space. In many cases, the chimney sweep requires an air pressure switch with DIBt approval so that the joint operation of a fireplace and extraction system is permitted.

Wohnungstechnik – Beratung zu Klima, Lüftung und Heizung
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