WG15
Having worked at Aico for several years, Martin Przewozny, Relationship Manager at Aico,
To explore its potential in a real home, Martin installed Aico’s Environmental Sensor and Gateway in his own property to support healthier living and better understand and manage his energy consumption. Martin’s house was built in 2013 and included a Mechanical Ventilation with Heat Recovery system. Although the MVHR system was designed to he continued to experience humidity issues, particularly in the bathroom after showering. At the same time, like many households, Martin wanted to better understand his electricity use amid rising energy costs. He had installed solar panels and a 5.5 kWh battery system but lacked a clear picture of how much electricity he was still importing from the grid and when that usage occurred. Without accessible changes to his home or daily habits were making a meaningful difference. In April 2025, Martin upgraded the MVHR system to improve ventilation performance throughout the property. The work included removing undersized ducting, installing stainless steel rigid ductwork, replacing vents and air valves, The Environmental Sensors, connected through the Gateway, were already installed throughout the home. Using the Resident App, Martin could monitor live and historical humidity data, including moisture spikes during showers, wider indoor humidity trends and how quickly conditions returned to normal afterwards. The impact of the ventilation improvements was immediately visible. Humidity levels reduced more quickly after showering, less time was spent above high-moisture thresholds, and the risk of condensation build-up was
reduced. Most importantly, the data reassured Martin that the upgraded system was not simply running but working effectively. Aico’s HomeLINK Technology also helped Martin make more informed decisions about household energy use. By connecting his smart meter to the Resident App through the Gateway, he could monitor daily electricity imported from the grid, hourly consumption patterns and long-term changes in usage. Although HomeLINK data does not display solar generation directly, it provided valuable insight into how household behaviour affected reliance on grid electricity. During summer, solar generation typically charged the battery during the day, allowing stored energy to support the home throughout the evening. During autumn and winter, the battery was charged overnight using a lower-cost off-peak tariff, ready to meet demand during more expensive peak periods. The data clearly showed these patterns. It highlighted reduced grid usage after the solar panels were installed and period. This helped Martin recognise opportunities to optimise energy use further and reduce electricity costs. The experience reinforced two important lessons. First, correct design and installation are critical. Even a well-intentioned MVHR system will underperform if it is incorrectly sized or ducted. Second, data provides clarity. to evaluate performance, identify problems early or understand whether an investment has delivered the intended outcome. Indoor air quality and energy management are often considered
home feels, performs and supports its occupants. HomeLINK data brought these insights together within one accessible platform, helping Martin understand the relationship between environmental conditions, household behaviour and energy use. By turning complex data into clear, actionable information, the Resident App enabled Martin to monitor moisture ventilation improvements and make better-informed energy decisions. Combined with a properly installed MVHR system, solar panels and battery storage, the data gathered from HomeLINK helped create a more comfortable, providing reassurance that each system throughout every season of the year. Aico, an Ei Company, is the European market leader in home life safety. With Sensors. Their UK-standard alarms and sensors are manufactured in Ireland, while their advanced software, developed in Bristol, provides real-time insights. By combining trust and innovation, Aico aims to create safer, healthier, and more sustainable homes.
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