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With smart individual room control, only the rooms that are actually needed are heated according to demand, which, depending on the age and insulation of the building, can save up to 33% in energy. At the same time, at typically 4 to 7 euros per square meter, the use of electronic radiator thermostats is particularly inexpensive compared to a complete energy refurbishment, pays for itself correspondingly quickly, and is thus suitable as a bridging technology until an energy-optimized building stock is achieved.
The housing and building industry has different requirements than private end users. Accordingly, the mass of electronic radiator thermostats in use has so far been procured by the users themselves. At the latest with the massive increases in energy costs and the upcoming consumption-based division of the CO2 levy between tenants and landlords, rapid improvements are now also moving into the interest of owners. The heater thermostat - compact plus was developed specifically for the housing and building industry.
Special comfort is achieved thanks to individual temperature sequences with up to 13 programmed changes for each day in up to three adjustable weekly programs. With the lowering of the heating temperature during ventilation, additional energy is saved. Opening windows for ventilation is independently detected by the radiator thermostat - compact plus and communicated to other Homematic IP heating thermostats in the same room. In addition, a range of wireless window contacts is available, with which the opening and - even more important - also the closing of windows is detected particularly precisely.
Dynamic adaptive balancing on the radiator
For efficient operation, heating systems must be hydraulically balanced. When the heating system is replaced, hydraulic balancing must be carried out in accordance with the VOB-C(1). At the radiator, the balancing today is typically done by a complex to determine valve presetting, for which often radiator valves in the building have to be replaced by presettable valves at high cost.
The radiator thermostat - compact plus offers, like many other Homematic IP radiator thermostats, a dynamic-adaptive balancing, which is equivalent to a conventional hydraulic balancing and in contrast to this without configuration, automatically at any time in the heating season. The effectiveness of dynamic-adaptive balancing has been confirmed by the Fraunhofer Institute for Energy Economics and Energy System Technology. Thus the cost-intensive valve exchange becomes unnecessary and smart radiator thermostat makes itself with the heating exchange alone thereby already more than paid.
The radiator thermostat - compact plus is compact in design and barely protrudes into the room - unlike typical mechanical radiator thermostats. This makes it particularly easy and trouble-free to handle in practical use during installation.
The radiator thermostat - compact plus can be mounted directly on the particularly frequently used valves with M30 x 1.5 thread. For valves from Danfoss valve adapters are supplied and other adapters are available for virtually all valve types. The installation is quick and easy without intervention in the heating system, without valve replacement and without draining water.
The Homematic IP radiator thermostat - compact plus is expected to be available from January 2023 in stationary and online trade.
(1) VOB-C = Vergabe- und Vertragsordnung für Bauleistungen, C
The dynamic-adaptive balancing of Homematic IP
Studies by Fraunhofer IEE have confirmed that the Homematic IP radiator thermostats eTRV-2, eTRV-C, eTRV-C-2 and eTRV-Evo perform dynamic and adaptive balancing at the individual radiators.
This means that the manual hydraulic balancing of each individual radiator by means of a valve presetting is no longer necessary. Compared to conventional, static control, automatic balancing through Homematic IP also has the distinct advantage that the flow rate of each radiator is dynamically adjusted to the real heat demand of the respective room. This means that the heating is really always set efficiently - on any day and in any weather.