This case study outlines the successful installation of a modern, energy-efficient heating system in a two-story residential property. The new system replaces an outdated boiler, significantly improving efficiency, comfort, and control for the homeowners. The system is comprised of a Vitocal 151-A heat pump, a Vitocell 100-E buffer cylinder, and two distinct heating circuits managed by a central control unit.

System Components and Design

The property’s heating requirements are met by a Vitocal 151-A air/water heat pump. This monobloc unit is located outside the home, drawing heat from the ambient air to warm a water-glycol mixture. This warmed fluid is then pumped into the house to heat the water for the heating circuits and domestic hot water.

Inside the house, a Vitocell 100-E 200-liter buffer cylinder acts as a thermal storage unit. The buffer tank helps to ensure the heat pump runs optimally, preventing short cycling and providing a stable supply of hot water to the heating circuits. The system is designed with two separate mixed heating circuits to cater to the different heat requirements of the two floors:

* Ground Floor: This circuit supplies underfloor heating, which requires a lower flow temperature (typically 30-35°C) to operate efficiently.

* First Floor: This circuit supplies radiators, which require a higher flow temperature (typically 45-55°C) to adequately heat the rooms.

Smart Control and Remote Management

A key feature of this installation is the advanced control system, which provides the homeowners with both convenience and detailed insight into their energy consumption. The system is controlled via the ViCare app, a user-friendly interface that allows the homeowners to:

* Adjust temperatures for each heating circuit and for domestic hot water.

* Set heating schedules for different times of the day or week.

* Monitor energy consumption in real-time, helping them to track and manage their usage.

For professional remote management and monitoring, the installer uses ViGuide. This platform allows the technician to:

* Remotely diagnose system issues, often before the homeowner is even aware of them.

* Adjust system parameters for optimization and troubleshooting without a site visit.

* Receive push notifications for system faults or maintenance alerts, enabling a proactive approach to servicing.

Outcomes and Benefits

The new heating system has resulted in several significant benefits for the homeowner:

* Reduced Energy Bills: The high efficiency of the Vitocal 151-A heat pump, with a Coefficient of Performance (COP) typically ranging from 3 to 5, has led to a substantial reduction in energy costs compared to the previous boiler.

* Enhanced Comfort: The zoned heating system allows for precise temperature control on each floor, with the underfloor heating providing a consistent, gentle warmth on the ground floor and the radiators delivering quick heat to the first-floor bedrooms.

* Increased Control and Convenience: The ViCare app empowers the homeowners with full control over their heating, and the ability to manage it remotely from anywhere.

* Improved Reliability and Proactive Maintenance: ViGuide ensures that any potential issues are identified and addressed quickly, minimizing downtime and providing peace of mind.