Free shipping from 100 € within Germany
English
Account Wishlist Cart
Energie

How modern home technology increases property value

17. Oktober 2025 5 Min. Lesezeit Fachredaktion Wohnungstechnik.de
Hochwertig saniertes Wohnhaus – moderne Wohnungstechnik steigert den Immobilienwert

When thinking about property value, many people first consider location, living space, and year of construction. However, especially since energy costs and legal requirements have dominated headlines, buyers and appraisers are scrutinizing the technology in a building: How is it heated? How efficient is the house? What investments are due in the coming years? Modern building technology has thus become a tangible value factor.

In this guide, you will learn which technical features positively influence property value, why energy efficiency plays the main role, and how to prioritize modernizations so that every invested euro pays off twice – in everyday life and at the point of sale.

Why building technology has such a strong impact on property value

The condition of the building's technical systems largely determines the costs a buyer will face. An outdated heating system, dilapidated pipes, or a lack of ventilation mean foreseeable investments – and are deducted accordingly from the purchase price. Conversely, modern technology signals: little needs to be done here in the coming years.

Added to this is the perspective of running costs. An energy-efficient building is cheaper to operate, which is directly noticeable whether rented or owner-occupied. Banks and appraisers are increasingly including energy efficiency in their valuations and financing. And finally, legal requirements play a role: those who modernize for the future today save the building from later mandatory retrofitting under time pressure.

The timing makes a difference: those who frantically modernize just before selling often pay more and cannot even use the benefits of the new technology themselves. On the other hand, those who invest early benefit from lower operating costs for years – and still sell at better conditions in the end. Modernization is therefore not just preparation for sale, but ongoing value maintenance.

Modernizing the heating system: the heat pump as a value factor

The heating system is the first thing prospective buyers ask about – its age, energy source, and condition directly influence price negotiations. A modern, efficient system is therefore one of the most effective investments in property value. Heat pumps are particularly in demand: they heat with environmental energy instead of fossil fuels and position the building safely for the long term.

For owners, this means: replacing the heating system is not just an operating cost decision, but a value decision. Since the state financially supports the switch to climate-friendly heating systems, the investment calculation often turns out to be more favorable than expected – you can find details on this in the article Heat Pump Subsidies. Our category Heat Pumps provides an overview of available systems.

Even below a complete replacement, there are value-adding measures: optimized control, efficient pumps, and a well-adjusted heating system show buyers that the system is well-maintained and operated economically. Such measures are comparatively inexpensive, can be implemented quickly, and also improve living comfort in everyday life.

Ventilation systems: protecting the building structure and enhancing living quality

Controlled domestic ventilation is often underestimated in property valuation – yet it has a dual effect. Firstly, it protects the building structure: moisture is reliably removed before mold or moisture damage can occur, which would massively depress the value. Secondly, it noticeably increases living quality, which leaves a lasting impression during viewings.

Especially in renovated, airtight buildings, a ventilation system is often the only reliable answer to the moisture problem. Systems with heat recovery also improve the energy balance because ventilation heat losses are minimized. From decentralized units to central systems, you can find suitable solutions in our category Ventilation Systems.

For landlords, there is an additional practical advantage: automatic ventilation reduces the risk of disputes over mold and incorrect ventilation behavior, because the minimum air exchange is guaranteed regardless of user behavior. This protects the rented property and, in serious cases, saves costly disputes about the cause of moisture damage.

Solar technology and energy certificate: efficiency in black and white

Hardly any document influences the perception of a property as much as the energy performance certificate. It makes energy efficiency comparable at a glance and must be presented for sale and rental. Measures that improve the rating – an efficient heating system, solar technology, or heat recovery – therefore directly contribute to the market value. The role of ventilation in this is explained in the article Energy Performance Certificate & Ventilation: What you need to know.

A photovoltaic or solar thermal system is also a visible selling point: it reduces ancillary costs, makes you more independent of energy prices, and signals a well-maintained, future-oriented property. For rented properties, a good energy balance also improves marketability, as prospective tenants are increasingly paying attention to the level of ancillary costs. Components for initial installation and expansion can be found in our category Solar Technology.

Smart Home, Sanitary & Co.: Features that convince buyers

Popular with our customers

Our Bestseller

The best-selling products in ventilation, filter and pipe technology – recommended by professionals, immediately available.

View all bestsellers
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
Contact

Get in touch

Via the contact form you can reach us directly and easily, we will get back to you as soon as possible.

Your data is treated confidentially and not shared with third parties.