Renovated without planning? No wonder the overheads have not gone down

The presentation of the MEHI November 2020 Home Renovation Wave Residential Survey and Study was held. Several media reported on the results of the survey, we now quote the article of Magyar Nemzet.

Only one in two home renovations in Hungary is followed by savings, even though professional planning could activate significant energy efficiency potential, a study has found. Another surprising finding is that one-stop advice is almost as effective an incentive to start investing as an interest-free loan.

The potential for energy savings in residential buildings is untapped, and a comprehensive wave of renovation is needed, as well as professional and financial support to encourage it, concludes a study on energy renovation in Hungary, carried out by the Hungarian Energy Efficiency Institute (MEHI). The results of the public survey were presented by Zsuzsanna Koritár, Director of the MEHI Institute for Energy Efficiency and Energy Efficiency (MEHI) in an online briefing. She said that some of the answers and results surprised even the experts.

Zsuzsanna Koritár recalled that the Hungarian building stock is outdated in terms of energy efficiency, the renovation rate is around three percent per year, but the rate of so-called deep renovations – complex energy modernisation supported by professional plans – is persistently below one percent. As in the European Union

In Hungary too, buildings account for more than 40 percent of final energy use and carbon emissions.

And renovation is worth it, not only according to the profession, but also according to the people who live in modernised homes, 93% of whom said so. But an exploration of why it was worth it came as something of a surprise. It turns out that only slightly less than half of the respondents cited a reduction in overheads, even though the survey was specifically about energy renovation – insulation, replacement of windows and doors, heating and hot water system modernisation. The MEHI soon revealed the answer to this discrepancy: 76% of renovations did not use an energy plan, i.e. they did not ask for an expert’s opinion on how to modernise the property to achieve the optimal result.

The problem with inappropriate modernisation – for example, if only 10 cm of insulation is installed instead of 15 cm – is that it can lock the building into a slightly more efficient but less than ideal situation for years or decades, and it can soon become obsolete again. It is therefore essential to assess the technical condition of the building and design the optimum solution to achieve the greatest possible savings.

And renovation is worth it, not only according to the profession, but also according to the people who live in modernised homes, 93% of whom said so. But an exploration of why it was worth it came as something of a surprise. It turns out that only slightly less than half of the respondents cited a reduction in overheads, even though the survey was specifically about energy renovation – insulation, replacement of windows and doors, heating and hot water system modernisation. The MEHI soon revealed the answer to this discrepancy: 76% of renovations did not use an energy plan, i.e. they did not ask for an expert’s opinion on how to modernise the property to achieve the optimal result.

The problem with inappropriate modernisation – for example, if only 10 cm of insulation is installed instead of 15 cm – is that it can lock the building into a slightly more efficient but less than ideal situation for years or decades, and it can soon become obsolete again. It is therefore essential to assess the technical condition of the building and design the optimum solution to achieve the greatest possible savings.

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