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Eight years measurement data of a deep renovated residential building
A typical residential building from 1937 located near Wuerzburg, Germany undergone deep energy renovation in 2013. Roof, façade and basement ceiling were highly insulated and thermal bridges were minimized. Existing windows were replaced with triple glazing and wood-aluminium frames windows. A balanced ventilation system with integrated air-to-water heat pump was installed together with an 8 kW PV system (roof-integrated). The ventilation ducts were integrated into the existing chimneys. The residential appliances (white goods) (refrigerator, washing machine, dishwasher) were installed or replaced by A+++ equipment. The cooking equipment was replaced by induction device. The existing lighting fittings were replaced with LED lighting products. The key performance indicators were measured over a period of eight years (2014-2021). Energy production, energy use, energy costs, self-consumption and exported electricity to the grid were monitored. The results show variations in performance indicators. The self-consumption varied between 16.9% and 25% while the annual energy costs varied between 387 EUR (2018) and 792 Euros (2021) (193%) which has implications for economic evaluation. The robustness of the key performance indicators is discussed and recommendations for designers and planners as well as prosumers are given.
Eight years measurement data of a deep renovated residential building
A typical residential building from 1937 located near Wuerzburg, Germany undergone deep energy renovation in 2013. Roof, façade and basement ceiling were highly insulated and thermal bridges were minimized. Existing windows were replaced with triple glazing and wood-aluminium frames windows. A balanced ventilation system with integrated air-to-water heat pump was installed together with an 8 kW PV system (roof-integrated). The ventilation ducts were integrated into the existing chimneys. The residential appliances (white goods) (refrigerator, washing machine, dishwasher) were installed or replaced by A+++ equipment. The cooking equipment was replaced by induction device. The existing lighting fittings were replaced with LED lighting products. The key performance indicators were measured over a period of eight years (2014-2021). Energy production, energy use, energy costs, self-consumption and exported electricity to the grid were monitored. The results show variations in performance indicators. The self-consumption varied between 16.9% and 25% while the annual energy costs varied between 387 EUR (2018) and 792 Euros (2021) (193%) which has implications for economic evaluation. The robustness of the key performance indicators is discussed and recommendations for designers and planners as well as prosumers are given.
Eight years measurement data of a deep renovated residential building
Haase, Matthias (author)
2022-06-01
2906155 byte
Conference paper
Electronic Resource
English
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