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Wohnraumlüftung mit Wärmerückgewinnung: Deckenventil und Wandauslass im Wohnzimmer
Moderne Luft-Wasser-Wärmepumpe vor einem Einfamilienhaus am Abend
Fußbodenheizung mit Heizkreisverteiler und Pressfittings im Neubau

Specialist retailer for building services

Ventilation, heating and plumbing from a specialist retailer

Over 1,500 products from brand manufacturers such as Blauberg, S&P, Nilan, Frico, Sanha and AFPRO. Installation and maintenance by our installation partners on request.

  • Delivery in 5 to 10 working days
  • Installation via partner companies
  • Personal expert advice
Free shipping from €100**Standard shipping within Germany, manufacturer shipping from €150 to €250
Original manufacturer goodsstraight from the manufacturer
Personal expert adviceby phone and email
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Recommendations

Our recommendations

Selected brand-name products for ventilation, filters, heating and plumbing, ready to order.

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Installation partner advising a couple on their new heating and hot water system
1,500+products from 25+ brands

Why Wohnungstechnik

Your specialist dealer for ventilation, heating & plumbing

Selected manufacturers, honest advice and delivery straight from the manufacturer.

  • Genuine manufacturer goods

    From Blauberg, S&P, Nilan, Frico, Sanha and more: original goods from the manufacturer.

  • Installation by partner companies

    On request, our installation partners install, mount and service your system on site.

  • Personal expert advice

    Help with selection, sizing and spare parts, by phone and email.

  • Direct from the manufacturer

    Delivery in 5 to 10 working days, free shipping in Germany from 100 € (manufacturer shipping from €150 to €250).

Brand partners

Shop by brand

We work directly with leading manufacturers. Choose your brand and see the full range.

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Guide & news

Know-how from our guide

Ventilation, heating and building technology, explained clearly.

All articles
Luftschleier 28. Okt. 2026 · 8 Min. read Air curtains for cold rooms: less cooling loss and ice An air curtain for a cold room reduces cooling loss, condensation and icing at the open door. We explain why these un... Read article Luftschleier 28. Okt. 2026 · 9 Min. read Air curtains in shops: saving energy at the open door Saving energy with an air curtain in a shop: where the losses at the open door come from, which savings are documente... Read article Sanitär 28. Okt. 2026 · 7 Min. read Press Fitting Systems Compared: Stainless Steel, Carbon Steel, Copper Press fitting systems compared: stainless steel, carbon steel and copper with fields of application, pressure ratings... Read article Trinkwasser 28. Okt. 2026 · 8 Min. read Choosing a Hot Water Cylinder: Size, Type and Heat Exchanger Choosing a hot water cylinder made easy: cylinder types, sensible size, heat exchanger surface for heat pump or boile... Read article Solar 28. Okt. 2026 · 9 Min. read Understanding Solar Controllers: From Temperature Differential to Data Logging Solar controller functions determine the yield and service life of your solar thermal system. We explain temperature ... Read article Küchenabluft 28. Okt. 2026 · 7 Min. read Cooker Hoods in Open-Plan Kitchens: Planning Against Grease Mist If you want to plan the cooker hood in an open-plan kitchen, you need to consider grease mist and odours throughout t... Read article Küchenabluft 28. Okt. 2026 · 7 Min. read Kitchen Extraction and Hygiene: HACCP Requirements for Ventilation HACCP in the kitchen also covers ventilation. We show what the EU Hygiene Regulation requires, how air is routed from... Read article Luftschleier 28. Okt. 2026 · 9 Min. read Sizing an air curtain correctly: door height, width and heating Sizing an air curtain correctly: why mounting height matters more than door height, how to match the unit length to t... Read article

Knowledge & guide

Frequently asked questions

Everything important about home technology, answered concisely.

Your question is not listed?

Our team is happy to help, Mon to Sun 8 am to 8 pm.

What is meant by home technology?

Home technology, also known as building services or Technical Building Equipment (TGA), covers the systems that provide and control heat, air and water in a building. This includes heating and solar technology (e.g. heat pumps), ventilation (e.g. ventilation systems and air filters) as well as plumbing and pipe systems. Measurement and control technology or a smart home system regulates the installations automatically.

What benefits does modern home technology offer?

Modern home technology offers owners and tenants, among other things:

  • Heat recovery: ventilation systems with a heat exchanger use the warmth of the exhaust air to preheat the supply air
  • Healthier indoor climate through ventilation systems and air purifiers
  • Comfort & safety thanks to intelligent control systems (smart home)
  • Increased property value through modern technical equipment
Which products belong to home technology?
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 operating costs, space requirements and noise level of heating systems

Tip: At Wohnungstechnik.de you will find over 1,500 products, expert articles in our guide and personal advice via our contact form.

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: grants for replacing old heating systems
  • Solar systems: funding for photovoltaics and solar thermal
  • Ventilation systems with heat recovery

Whether funding is available and how much depends on the specific programme and project. 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.

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