
Manufactory for infrared heaters made of natural stone, metal and glass with project-based heat demand planning

Thermostone GmbH – Marke GeMeTherm Infrarotheizungen
Merkendorf (Triesdorf Bahnhof) · GunzenhausenNew on Amplifa
About GeMeTherm
Thermostone GmbH, based in Merkendorf (Triesdorf Bahnhof district, Middle Franconia), operates the GeMeTherm Infrared Heaters brand, founded in 1997 in Gunzenhausen. The company sees itself as a manufactory and produces infrared heaters (infrared C heat radiation) in three product lines: natural stone, metal and glass heaters. According to its own statements, production is carried out in a craft manner, starting with the selection of stones, materials and material thicknesses through to the finished product – as tested products Made in Germany. In addition to manufacturing, the company creates project-based heat demand calculations based on local conditions and room sizes, and coordinates heating surfaces, room temperature control and accessories such as instantaneous water heaters and towel rails to match the respective construction project. Distribution is via specialist and wholesale partners; areas of application include living spaces as well as wellness and bathroom areas.
- Site
- Merkendorf
- Processes
- Manufacture of infrared heaters (natural stone, metal, glass heaters), Heat demand calculation / project planning of heating systems, Heat demand calculation / planning, Distribution via specialist and wholesale partners, Accessories such as room temperature control, instantaneous water heaters, towel rails
- Materials
- Natural stone, Metal, Glass
- Certificates
- Certifications
- Founded
- 1997
- Industries
- Building heating / living, Wellness/bathrooms
- 01
Heat demand calculation / project planning
- 02
Material selection
- 03
Manufacture of infrared heaters
- 04
Distribution via specialist and wholesale trade
Materials
Natural stone
Material of the natural stone heaters; according to the company, the selection of the stones and their thicknesses is carried out carefully by hand.
Metal
Material of the metal heaters of the infrared product line.
Glass
Material of the glass heaters, among other things usable as mirror heater for bathrooms.
Locations

Merkendorf (Triesdorf Bahnhof)
DERegistered office of Thermostone GmbH, operator of the GeMeTherm brand
- Materials
- Natural stone, metal, glass
Gunzenhausen
DEHistorical origin of the brand (according to JSON-LD address)
Products




Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of infrared heaters (natural stone, metal, glass heaters)Assembly | – | – | – | – | Natural stone, Metal, Glass |
| Heat demand calculation / project planning of heating systemsEngineering | – | – | – | – | – |
Additional services
Quality
GeMeTherm describes its infrared heaters as tested products Made in Germany; according to the company, the manufactory production covers the selection of stones and materials through to the finished product. Detailed testing equipment or certificates are not listed on the website.
| Evidence | Merkendorf (Triesdorf Bahnhof) |
|---|---|
| Certifications |
History
- 1997
Launch of GeMeTherm in Gunzenhausen; development into one of the leading manufactories for infrared heaters
- 2024
Takeover of the operational business in October by Thermostone GmbH based in Merkendorf (Triesdorf Bahnhof district)