BAXI LUNA Duo-tec 24 21.8 kW
![]() | Outdated Product Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 174; Condensing; Heat output (kW): 21.8; Coolant min. T (°C): 25; Coolant max. T (°C): 80; DHW min. T (°C): 35; DHW max. T (°C): 60; Performance (ΔT=25 °C) (L/min): 13.8; Heated floor mode E-Catalog uses affiliate links compensated by our partners. |
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I believe that heating equipment is not something that needs to be saved on. Moreover, this thesis is especially important if the heating is gas. Gas is expensive and it is important that the boiler uses it as efficiently as possible. This is a premium double-circuit condensing boiler. It differs from cheaper analogs by very high efficiency. Due to the fact that it can use the latent heat of condensation of water vapor in flue gases, the efficiency of such a boiler is 1.08 times higher than that of a conventional one. Despite the insignificance of this factor, I want to say that this is 1/12 part. That is, more than half of the monthly gas norm is saved during the heating season. My house is large and we use hot water actively, so the savings come out quite significant. The boiler has a modern regulatory intelligent control system and is able to finely modulate the heat output of the burner. In addition, it is equipped with a remote control unit and an outdoor temperature sensor, which I hung on the north side of the house. Now he himself can regulate the heat supply to the batteries and the gas flow, depending on the weather conditions and the desired room temperature. It really works and also helps to save money. Since this boiler was made in Italy, the company's warranty for it is corresponding, three years. Very high cost. Initially, I expected to fit into the budget of $ 1000, but it had to be greatly exceeded. However, the way this boiler works cannot but rejoice and, in the end, its high cost over 3-4 years will be completely covered by high efficiency. When operating in high power mode, a lot of condensate is formed. Due to the flow heat exchanger of the hot water circuit, the boiler cannot produce hot water in a thin stream. The minimum flow rate is 2l/min. |
Batteries, "warm floor" and hot water in the tap
The wall-mounted boiler BAXI LUNA Duo-tec 24 is suitable for heating houses or apartments up to 174 m², as well as heating water for east european needs. Like other condensing type devices, it has a high efficiency (107.6%), which ensures economical operation (gas consumption in full load mode does not exceed 2.61 m³ / h). Due to the continuous electronic modulation of the burner, the device has a wide operating temperature range (25 – 80 °C). Therefore this copper can work in the low-temperature mode necessary for heating systems like "heat-insulated floor".
Flexible settings
In terms of the flexibility of settings, BAXI boilers of the LUNA Duo-tec series can give odds to equipment from other manufacturers. They, for example, have built-in automation with a room thermostat (so you won't need to buy additional accessories and sensors for a fee to auto-adjust the temperature in your house). In addition, on-board electronics allows you to control multi-temperature zone systems.
"Old-timer", trustworthy
We can say about the BAXI LUNA Duo-tec 24 device that it is a time-tested technique (it has been produced for almost 10 years). This model is well known to service engineers (like many other boilers, BAXI heating equipment needs annual scheduled maintenance to maintain the warranty) and does not cause problems for users. The boiler is well adapted to east european realities. It can work even at low gas pressure in the pipe (down to 5 mbar, which is about two to three times less than normal pressure). It can also be converted to propane if you use bottled gas.



