Condensing boilers
Luna Duo-Tec E
Heating only and combi condensing boilers with a modern design for new buildings and replacement
READ MOREThe range of Luna Duo-Tec E condensing boilers is characterized by long term reliable performance.
The 1:7 modulation means efficiency and savings thanks to the reduction of boiler on/off cycles.
A Factory made hybrid system can be created combining a Baxi split or monobloc heat pump.
The range of Luna Duo-Tec E condensing boilers is characterized by long term reliable performance.
The 1:7 modulation means efficiency and savings thanks to the reduction of boiler on/off cycles.
A Factory made hybrid system can be created combining a Baxi split or monobloc heat pump.
![](https://international.baxi.it/storage/app/media/Products/Condensing-boliers/luna-duo-tec/luna-duo-tec-2.jpg)
![](https://international.baxi.it/storage/app/media/Products/Condensing-boliers/luna-duo-tec/luna-duo-tec-3.jpg)
Characteristics
- Modern and elegant design
- Modulation up to 1:7 reduces on-off cycles for improved efficiency and savings. Silent and durable, delivering stable comfort levels
- Automatic combustion control maintains constantly the highest level of efficiency
- Digital control panel with back-lit LCD display
- Remote control Baxi Mago as optional
- Integration with solar system option
- Front access for advanced diagnostics
details
Power KW
24, 28, 33, 40, 1.12, 1.24, 1.28, 1.32
destination
Residential
mounting
Wall hung
Power KW
24, 28, 33, 40, 1.12, 1.24, 1.28, 1.32
destination
Residential
mounting
Wall hung
Features
![](https://international.baxi.it/storage/app/media/features/digitalready.png)
digital ready
It can be connected to BaxiMAGO, the WI-FI smart modulating thermostat, and Baxi service App. You can have your boiler always under control
![](https://international.baxi.it/storage/app/media/features/hybridready.png)
hybrid ready
It facilitates the integration of other heating sources, such as heat pumps and solar thermal, simplifying the climate management of your home
gas adaptive control
It automatically detects the kind of gas and continuously adjusts the gas-to-air ratio for the highest quality combustion and savings
1:7 modulation
Modulation up to 1:7 reduces on-off cycles for improved efficiency and savings
![](https://international.baxi.it/storage/app/media/features/digitalready.png)
It can be connected to BaxiMAGO, the WI-FI smart modulating thermostat, and Baxi service App. You can have your boiler always under control
![](https://international.baxi.it/storage/app/media/features/hybridready.png)
It facilitates the integration of other heating sources, such as heat pumps and solar thermal, simplifying the climate management of your home
It automatically detects the kind of gas and continuously adjusts the gas-to-air ratio for the highest quality combustion and savings
Modulation up to 1:7 reduces on-off cycles for improved efficiency and savings
Technical Specification
models | 1.12 | 1.24 | 1.28 | 1.32 | 24 | 28 | 33 | 40 | |
---|---|---|---|---|---|---|---|---|---|
ErP data | |||||||||
Rated heat output | kW | 12 | 24 | 28 | 32 | 20 | 24 | 28 | 32 |
Useful heat output at rated heat output and high temperature regime(2) P4 | kW | 12 | 24 | 28 | 32 | 20 | 24 | 28 | 32 |
Useful heat output at 30% of rated heat output and low temperature setting(1) P1 | kW | 4 | 8 | 9,4 | 10,7 | 6,7 | 8 | 9,4 | 10,7 |
Space heating – Seasonal energy efficiency ƞs | % | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 |
Useful efficiency at rated heat output and high temperature setting(2) ƞ4 | % | 88,1 | 87,9 | 87,9 | 87,9 | 88 | 87,9 | 88,1 | 87,9 |
Useful efficiency at 30% of rated heat output and low temperature setting(1) ƞ1 | % | 98,2 | 98,0 | 98,0 | 98,0 | 98,0 | 98,0 | 98,1 | 98,0 |
Sound power level, indoors LWA | dB | 52 | 52 | 53 | 52 | 49 | 50 | 53 | 51 |
Declared load profile | - | - | - | - | XL | XL | XXL | XXL | |
Heat input/output | |||||||||
Rated heat input (Qn) for domestic hot water | kW | - | - | - | - | 24,7 | 28,9 | 34 | 41,2 |
Rated heat input (Qn) for heating | kW | 12,4 | 24,7 | 28,9 | 33 | 20,6 | 24,7 | 28,9 | 33 |
Rated heat output (Pn) for domestic hot water | kW | - | - | - | - | 24 | 28 | 33 | 40 |
Rated heat output (Pn) 80/60 °C for heating | kW | 12 | 24 | 28 | 32 | 20 | 24 | 28 | 32 |
Rated heat output (Pn) 50/30 °C for heating | kW | 13,1 | 26,1 | 30,5 | 34,9 | 21,8 | 26,1 | 30,6 | 34,9 |
Heating circuit | |||||||||
Temperature range for heating circuit | °C | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 |
Water capacity of expansion vessel | l | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Domestic water circuit | |||||||||
Temperature range for domestic water circuit | °C | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 |
Domestic water production with ΔT = 25 °C | l/min | - | - | - | - | 13,8 | 16,1 | 18,9 | 22,9 |
Domestic water production with ΔT = 35 °C | l/min | - | - | - | - | 9,8 | 11,5 | 13,5 | 16,4 |
Combustion | |||||||||
Diameter of separate discharge pipes | mm | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 |
Diameter of coaxial discharge pipes | mm | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 |
Nitrogen oxide emissions NOx | mg/kWh | 21 | 16 | 16 | 28 | 15 | 17 | 15 | 24 |
Flue gas mass flow rate (max) | kg/sec | 0,006 | 0,012 | 0,014 | 0,016 | 0,012 | 0,014 | 0,016 | 0,019 |
Flue gas mass flow rate (min) | kg/sec | 0,001 | 0,002 | 0,002 | 0,002 | 0,002 | 0,002 | 0,002 | 0,003 |
Electrical characteristics | |||||||||
Power supply voltage | V | 230 | 230 | 230 | 230 | 230 | 230 | 230 | 230 |
Power supply frequency | Hz | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Rated electric power | W | 72 | 85 | 99 | 91 | 85 | 99 | 106 | 120 |
Dimensions | |||||||||
Humidity protection rating (EN 60529) | IP | X5D | X5D | X5D | X5D | X5D | X5D | X5D | X5D |
Net weight | kg | 34,5 | 34,5 | 36 | 37,5 | 38,5 | 38,5 | 39,5 | 41 |
Dimensions (height/width/depth) | mm | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 |
models | 1.12 | 1.24 | 1.28 | 1.32 | 24 | 28 | 33 | 40 | |
---|---|---|---|---|---|---|---|---|---|
ErP data | |||||||||
Rated heat output | kW | 12 | 24 | 28 | 32 | 20 | 24 | 28 | 32 |
Useful heat output at rated heat output and high temperature regime(2) P4 | kW | 12 | 24 | 28 | 32 | 20 | 24 | 28 | 32 |
Useful heat output at 30% of rated heat output and low temperature setting(1) P1 | kW | 4 | 8 | 9,4 | 10,7 | 6,7 | 8 | 9,4 | 10,7 |
Space heating – Seasonal energy efficiency ƞs | % | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 |
Useful efficiency at rated heat output and high temperature setting(2) ƞ4 | % | 88,1 | 87,9 | 87,9 | 87,9 | 88 | 87,9 | 88,1 | 87,9 |
Useful efficiency at 30% of rated heat output and low temperature setting(1) ƞ1 | % | 98,2 | 98,0 | 98,0 | 98,0 | 98,0 | 98,0 | 98,1 | 98,0 |
Sound power level, indoors LWA | dB | 52 | 52 | 53 | 52 | 49 | 50 | 53 | 51 |
Declared load profile | - | - | - | - | XL | XL | XXL | XXL | |
Heat input/output | |||||||||
Rated heat input (Qn) for domestic hot water | kW | - | - | - | - | 24,7 | 28,9 | 34 | 41,2 |
Rated heat input (Qn) for heating | kW | 12,4 | 24,7 | 28,9 | 33 | 20,6 | 24,7 | 28,9 | 33 |
Rated heat output (Pn) for domestic hot water | kW | - | - | - | - | 24 | 28 | 33 | 40 |
Rated heat output (Pn) 80/60 °C for heating | kW | 12 | 24 | 28 | 32 | 20 | 24 | 28 | 32 |
Rated heat output (Pn) 50/30 °C for heating | kW | 13,1 | 26,1 | 30,5 | 34,9 | 21,8 | 26,1 | 30,6 | 34,9 |
Heating circuit | |||||||||
Temperature range for heating circuit | °C | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 | 25/80 |
Water capacity of expansion vessel | l | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Domestic water circuit | |||||||||
Temperature range for domestic water circuit | °C | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 | 35/60 |
Domestic water production with ΔT = 25 °C | l/min | - | - | - | - | 13,8 | 16,1 | 18,9 | 22,9 |
Domestic water production with ΔT = 35 °C | l/min | - | - | - | - | 9,8 | 11,5 | 13,5 | 16,4 |
Combustion | |||||||||
Diameter of separate discharge pipes | mm | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 | 80/80 |
Diameter of coaxial discharge pipes | mm | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 | 60/100 |
Nitrogen oxide emissions NOx | mg/kWh | 21 | 16 | 16 | 28 | 15 | 17 | 15 | 24 |
Flue gas mass flow rate (max) | kg/sec | 0,006 | 0,012 | 0,014 | 0,016 | 0,012 | 0,014 | 0,016 | 0,019 |
Flue gas mass flow rate (min) | kg/sec | 0,001 | 0,002 | 0,002 | 0,002 | 0,002 | 0,002 | 0,002 | 0,003 |
Electrical characteristics | |||||||||
Power supply voltage | V | 230 | 230 | 230 | 230 | 230 | 230 | 230 | 230 |
Power supply frequency | Hz | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Rated electric power | W | 72 | 85 | 99 | 91 | 85 | 99 | 106 | 120 |
Dimensions | |||||||||
Humidity protection rating (EN 60529) | IP | X5D | X5D | X5D | X5D | X5D | X5D | X5D | X5D |
Net weight | kg | 34,5 | 34,5 | 36 | 37,5 | 38,5 | 38,5 | 39,5 | 41 |
Dimensions (height/width/depth) | mm | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 | 763/450/345 |
(1) Low temperature: return temperature (at boiler inlet) for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C.
(2) High temperature setting means 60 °C return temperature at boiler inlet and 80 °C flow temperature at boiler outlet.
Benefits
![](https://international.baxi.it/themes/baxi//assets/images/product/durability.jpg)
reliability
Consistent performance over time in all conditions and long-lasting components
![](https://international.baxi.it/themes/baxi//assets/images/product/efficiency.jpg)
efficiency
Our products are designed for an effective use of energy and to achieve optimal performance
![](https://international.baxi.it/themes/baxi//assets/images/product/italian.jpg)
italian design
A combination of elegance, tradition and innovation
![](https://international.baxi.it/themes/baxi//assets/images/product/connectivity.jpg)
complete offer
We offer affordable, complete and tailor-made solutions for every customer
![](https://international.baxi.it/themes/baxi//assets/images/product/comfort.jpg)
comfort
We care about your comfort: feel good at your home!
![](https://international.baxi.it/themes/baxi//assets/images/product/a_class.jpg)
sustainability
Baxi is committed in reducing waste, energy-efficiency and eco-friendly production
![](https://international.baxi.it/themes/baxi//assets/images/product/durability_mobile.jpg)
durability
Simply strong and long lasting without
getting damaged.
![](https://international.baxi.it/themes/baxi//assets/images/product/efficiency_mobile.jpg)
efficiency
Simply strong and long lasting without
getting damaged.
![](https://international.baxi.it/themes/baxi//assets/images/product/italian_mobile.jpg)
italian design
It is not necessarily linked to luxury,
but it is fueled with taste.
![](https://international.baxi.it/themes/baxi//assets/images/product/connectivity_mobile.jpg)
connectivity
The Internet of Things let objects “talk”
to each other.
![](https://international.baxi.it/themes/baxi//assets/images/product/comfort_mobile.jpg)
comfort
Feeling good in your own space.
![](https://international.baxi.it/themes/baxi//assets/images/product/a_class_mobile.jpg)
a+ class / h2 ready
Sustainability and hydrogen are the
key factors to our future.