Help & Support

Frequently asked questions

What are the advantages of the Houzy Solar Calculator?

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The digital solar calculator from Houzy analyses the solar potential as well as the costs of a photovoltaic system with just a few entries - completely free of charge and without obligation. The analysis is based on all relevant criteria of a solar analysis and shows you the investment costs, operating costs, subsidies, tax savings, feed-in tariffs, etc. in detail. In just 2 minutes and after a few clicks, the solar calculator is ready and you can see all the relevant information about the photovoltaic system in an overview. The results are completely neutral - Houzy is an independent platform and does not pursue any third-party interests. 

What information does Houzy need for the Solar Calculator?

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To find out whether your house is suitable for a photovoltaic system, we need the address. This allows us to obtain relevant information from publicly accessible databases and directories, such as the geographical location, roof area or roof orientation. Some key data about the house and your energy requirements help us to fine-tune the calculations. Afterwards, you will immediately receive online access to your digital solar analysis on Houzy by email.

Why is the Solar Calculator free of charge?

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Houzy is a start-up and finances itself by brokering third-party services and through advertising partnerships with national and regional partners. However, you as a user always decide for yourself when you want to share which data with whom, and thus always retain data sovereignty. The use of our solar calculator and the entire homeowner platform is permanently free of charge for you. However, if required, you can request free quotes for the installation of a photovoltaic system from one of our recommended tradesmen in your region.

Who owns Houzy?

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Houzy's shares are majority-owned by the founders. Almost 20 private investors (business angels) from various fields (real estate, craftsmen, marketing, finance) have been supporting Houzy with specialist expertise and financing since 2017.

Why do I have to register?

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Registration on Houzy is a prerequisite for using our products on the platform. By registering, you open a Houzy account free of charge and without obligation. There you can view the results of the analyses, get a digital overview of your house or condominium and use other useful features free of charge. To register, all you need to do is enter your email address.

Is my data secure?

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Data protection and security are our top priority. That's why we leave nothing to chance. To ensure the protection of your personal data and secure data transmission, we work with the latest security technologies. Your data is stored in encrypted form in a computer centre that is certified with all current industry standards. Data is therefore only passed on to third parties if you request service offers via Houzy that require this. An example of this is when you actively contact one of our broker partners. You can find further information in our T&Cs under "Our privacy policy".

Will I incur in any costs at a later date using Houzy?

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The use of Houzy is free of charge and remains so. To use the features on Houzy, you only need to register with your email address. When an order is placed with one of our verified partners, payment is handled independently of Houzy between the user and the craftsmen.

Why is the Renovation Calculator free of charge?

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Houzy is a young company and finances itself by brokering third-party services as well as through advertising partnerships with national and regional partners (however, you as a user always decide yourself when you want to share what and with whom and thus always retain data sovereignty). The use of our online Renovation Calculator and our platform is therefore permanently free of charge for you. If required, our experts will be happy to advise you personally in a second step. Suitable, regional craftsmen can also be contacted through us without obligation. If an order is placed, payment is handled directly with the craftsman.

What is Houzy?

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Houzy is a young Swiss company that has the goal of simplifying the lives of homeowners through innovative tools and bundled expert knowledge. The Houzy platform integrates user-friendly online tools such as the property valuation, the renovation calculator or the plant guide, which help to optimally manage residential property and save effort and costs in the process. The scope of Houzy is constantly being expanded. You can find out more under About us.

Why is Houzy free?

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Houzy is financed by mediating third-party services and by advertising partnerships with national and regional partners. However, you as a user always decide for yourself when you want to share what and with whom. You therefore always retain sovereignty over your data and may use Houzy permanently free of charge.

Can I adjust the details of my property after registration?

You can easily change your details afterwards. You can also add more properties to your account and thus manage several properties at the same time.

What happens after registration?

Once you are registered, you have access to your Houzy account and thus to your personal dashboard. There you can view the result of the analysis, explore your digital "house cockpit", contact qualified tradesmen with just a few clicks and use other functions related to your home ownership free of charge. You can expect a range of smart tools to make your life as a homeowner easier.

Why do I have to register?

Registration on Houzy is a prerequisite for using our products on the platform. By registering, you open a Houzy account free of charge and without obligation. There you can view the results of the analyses, get a digital overview of your house or condominium and use other useful features free of charge. To register, all you need to do is enter your email address.

How accurate is the result of the online Renovation Calculator?

The result of the Renovation Calculator is based on an analysis model by QualiCasa AG - the Swiss expert in building analyses for over 15 years. By definition, a model does not reflect reality exactly. It is intended to provide a point of reference for taking a closer look where necessary. In order to make an exact analysis of the building components and the corresponding renovation needs, you still need a specialist on site. You can also find a broad regional network of experts on Houzy.

What are the advantages of the online Renovation Calculator?

Whether you own a single-family house or a condominium, the digital Renovation Calculator analyses the condition of your house or flat free of charge and calculates the renovation dates and the renovation costs incurred. The check is completed in just a few minutes and provides you with an independent assessment of the need for renovation. With the help of the renovation calculator, homeowners and condominium owners can approach renovations logically, act proactively instead of reactively and save costs in the process. Thanks to the rough estimate of renovation costs and dates, you can optimise your budget planning and prevent financial bottlenecks.The result of the renovation calculator is available to you in your personal house or flat profile as an interactive life cycle table. Further information on the various building components, useful tips and experts are available to you from a single source. You can also contact suitable craftsmen from the region with just a few clicks and without obligation.The Renovation Calculator allows you to digitally record your residential property with the most important data and helps you never lose track of any renovations and maintenance work that needs to be done and the upcoming costs - simply, quickly and free of charge.

What information does Houzy need for the Renovation Calculator?

Important for the evaluation of the Renovation Calculator are the basic details such as address, year of construction and house type. Information on the materials of the various components (e.g. the roof or the façade) as well as renovations already carried out make the renovation calculator much more accurate. In the "Pro version", additional information on the standard of construction and condition can be entered. Rooms and building components can also be entered several times and more specifically, which leads to an even more precise result. In short: the more information you can provide, the better.

Why is the Renovation Calculator free of charge?

Houzy is a young company and finances itself by brokering third-party services as well as through advertising partnerships with national and regional partners (however, you as a user always decide yourself when you want to share what and with whom and thus always retain data sovereignty). The use of our online Renovation Calculator and our platform is therefore permanently free of charge for you. If required, our experts will be happy to advise you personally in a second step. Suitable, regional craftsmen can also be contacted through us without obligation. If an order is placed, payment is handled directly with the craftsman.

How accurate is the result of the Houzy Property Valuation?

Houzy's property valuation is produced in collaboration with Fahrländer Partner Raumentwicklung. FPRE is a specialist in data analysis and can thus produce a unique, comprehensive property valuation from thousands of data sources from comparable properties. The data you request is sufficient to provide you with an initial estimate and thus a point of reference. In order to accurately assess the value of a property, a complex valuation procedure and an expert on site are required. This is the only way an estate agent can take into account all the value-enhancing criteria and produce a qualified valuation. However, such extensive valuations also mean more effort and take more time and sometimes cost a lot of money.

When is a Property Valuation important?

A property valuation is significant for both home buyers and home sellers. Many owners do not have a clear idea of the market value of their property before selling it. The self-assessed property value is often based on the market value at the time or the emotional value of the property. Accordingly, home buyers are often uncertain about the actual value of the property due to a lack of transparency. The market value of a property changes depending on the economic situation and is dependent on supply and demand. Therefore, comprehensive knowledge of the regional real estate market is indispensable for an accurate valuation of the property. As a seller, you can only achieve a realistic price on the property market if you know the actual, data-based value of your property. A price that is set too high will scare off potential buyers, while a sales price that is too low can lead to a large loss of assets. With a data-based property valuation, these mistakes can be avoided and the property can be sold quickly and satisfactorily. Accordingly, a data-based property valuation also helps home buyers to obtain the necessary certainty about the price of the desired property and to make informed decisions in the purchase process.

What are the advantages of using Houzy's online Property Valuation?

Houzy's digital property valuation analyses the value of your residential property with just a few details - completely free of charge and without obligation. The analysis is based on initial relevant criteria such as the plot and living space or the estimated condition of the house and thus serves as a first point of reference. The property valuation is carried out in 5 simple steps in under 5 minutes and provides you with an independent, neutral estimate of the property value. Ongoing added value is also provided by the automatically analysed changes in market value, which you can view quarterly in your account. Our qualified broker partners, such as Engel und Völkers, are also available to you free of charge for an on-site analysis after the property valuation, if required.

What information does Houzy need for the online Property Valuation?

The value of a property is determined by key factors such as location, building fabric and condition. To ensure that the result of the value analysis is as accurate as possible, the Houzy Property Valuation requires the following information: Key data on the house: year of construction, type of house and roof, plot and living space, number of floors and rooms, residential address Assessment of the condition and standard of the property. Afterwards, you will immediately receive online access to your digital property valuation on Houzy by email.

Why is the Property Valuation free of charge?

Houzy is a young company and finances itself by intermediation of third-party services and through advertising partnerships with national and regional partners. However, you as a user always decide yourself when you want to share what and with whom and thus always retain data sovereignty. The use of our Property Valuation and our platform is therefore permanently free of charge for you. If required, our realtors partners will be happy to advise you personally in a second step. This service also remains free of charge and non-binding.

Which partners does Houzy work with?

Houzy works with selected Swiss real estate experts. The renovation calculator is created in collaboration with QualiCasa AG, the Swiss expert in building analyses for over 15 years. The market value analysis HouzyValue is based on data from our partner Fahrländer Partner Raumentwicklung, a specialist in data analysis. Qualified tradesmen and estate agents are also among our industry partners. You can find more information about our partners here.