Infrared panels: Solar heat for every part of your home

Planning begins with accurately calculating the space heating requirement – depending on the condition of the building, room size and insulation. A building’s insulation has a decisive influence on how much heat is needed to achieve a comfortable room temperature. For well-insulated new builds, the guideline value is around 20–25 W/m³ or 50 W/m². Refurbished older buildings require around 30–35 W/m³ or 80 W/m², whilst for unrefurbished older buildings, a requirement of 40 W/m³ or 100 W/m² must be expected. For faster heating, a 20 per cent higher heating output is recommended. The panels can be flexibly mounted on walls or ceilings. The ceiling height influences the ‘illuminated’ heating area, comparable to a cone of light. An accurate design based on the relevant heat demand calculation is essential for an efficient heating solution using infrared panels.

Also suitable for damp rooms – with appropriate protection zones

During installation, the protection zones specified in VDE 100-701 must be observed, particularly in damp rooms. Installation is also permitted on wooden walls, but not beneath wall sockets. In rooms with a ceiling height of over three metres, the panels should be suspended to ensure optimal heat distribution. Unfavourable positioning – such as opposite windows – should be avoided, as glass does not reflect heat, resulting in an uneven perception of warmth. The electrical connection is made via a controller, which must be located outside the protected area. A separate supply cable is not strictly necessary; existing circuits can be used. A maximum connected load of 3.6 kW is possible per controller, provided the appropriate fuses and cable cross-sections are used. The applicable installation regulations must be observed.

Intelligent control of different zones – for maximum efficiency

A range of thermostats is available for control – from wall-mounted units with weekly programming to wireless controllers. Zone control is particularly useful in larger rooms such as living-dining areas. Integration into smart control systems is also possible.
Infrared panels are particularly suitable for well-insulated new builds, unheated individual rooms or as supplementary heating in areas used sporadically or where temperature sensitivity is an issue. Wood, ceramic and natural stone floors aid heat retention and increase efficiency. Several smaller panels ensure even heat distribution.

Conclusion: Sustainable heating with infrared – efficient, comfortable and future-proof

Infrared panels offer a modern and sustainable heating solution for a wide range of applications. They generate cosy warmth directly via radiation, reduce energy losses and, thanks to precise control, enable economical operation. Particularly in well-insulated buildings, efficient heating can be achieved with a lower initial investment compared to a water-based system. When combined with green electricity – for example, from a photovoltaic system – it is even possible to achieve completely CO₂-neutral heating. Their simple installation, long service life and flexible application options for bespoke heating concepts make infrared heating systems a future-proof choice for HVAC and electrical professionals and their customers.

Infobox: An overview of panel types – technology, performance and applications

The Dimplex range comprises four panel types with different technical specifications:
Metal panels (IRM series): These frameless panels with a textured, powder-coated surface offer high radiant output and are suitable for wall and ceiling mounting. They feature rear insulation for targeted heat emission. Protection class: IP X4. Power: 320–1000 W. Dimensions: up to 770 × 1520 mm. Weight: up to 21 kg.

Textured panels (IRP series): For wall and ceiling mounting, with uniform surface temperature and overtemperature protection. Protection class: IP 44. Power: 300–850 W. Dimensions: up to 1192 × 800 mm. Weight: up to 12.6 kg.

Ceramic panels (IRC series): In a grey natural stone finish, for wall mounting. Protection class: IP 44. Power: 400 W. Dimensions: 900 × 450 mm. Weight: 14.8 kg.

Natural stone panels (MH series): With a genuine stone surface (’Snow’ or ’Sand’ finishes), for wall mounting. Protection class: IP 66. Power: 350–1650 W. Dimensions: up to 1350 × 600 mm. Weight: up to 68 kg. Each panel is unique with its own individual grain.

All sets include the DTB-2R room temperature controller with integrated weekly programme, colour display, on/off switch and a temperature setting range of 7–40 °C. The controllers are designed for flush-mounted installation and offer a switching capacity of 16 A at 230 V.

This technical article was written by Simon Rübesam, Product Manager for Electric Heating at Dimplex.