Development and distribution of air-to-water heat pumps including consulting, installation and commissioning
heatrex® GmbH
Castrop-RauxelNew on Amplifa
About heatrex®
heatrex® GmbH, based in Castrop-Rauxel, is a start-up founded in 2023 that specialises in heat pump solutions for private and commercial customers. The company offers air-to-water heat pumps in the capacity levels 6 kW, 12 kW and 18 kW, which operate with the natural refrigerant R290, feature DC inverter technology and a heating and cooling function, and are rated energy efficiency class A+++. According to the manufacturer, the enclosures of the units are made of recycled material; the SilentAirFlow technology enables operation from 39 dB (3 m). heatrex® accompanies customers throughout the entire process – from consulting and quote preparation through delivery, all-inclusive installation and commissioning to customer service after installation. The company also provides support with government subsidies via KfW and BAFA as well as with financing brokerage. Backing comes from a larger, internationally oriented parent group with a track record of over 7 GW in the photovoltaic industry.
- Site
- Castrop-Rauxel
- Processes
- Installation of air-to-water heat pumps (all-inclusive installation), Manufacture of heat pumps, Consulting and quote preparation, Delivery and installation of heat pumps, Commissioning, Customer service after installation, Financing brokerage (24h financing approval), Support with government subsidies (KfW/BAFA)
- Materials
- R290 refrigerant, recycled material (housing), Recycled material (housing)
- Certificates
- SG Ready
- Founded
- 2023
- Industries
- Private customers (single-family homes, new builds and renovation/older, Commercial customers
- 01
Consulting and quote preparation
- 02
Delivery of the heat pump
- 03
All-inclusive installation
- 04
Commissioning
- 05
Customer service after installation
Refrigerants and Materials
R290 refrigerant
Natural refrigerant with a very low global warming potential, used in all heatrex heat pumps.
Recycled material (housing)
According to the manufacturer, the heat pump housings are made of recycled material.
Location
Castrop-Rauxel
DEHeadquarters
Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Installation of air-to-water heat pumps (all-inclusive installation)Installation | – | – | – | – | – |
| Manufacture of heat pumpsInstallation | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Air-to-water heat pump heatrex® Silence Wood | heatrex Silence Wood | – | – | – | Castrop-Rauxel |
| Air-to-water heat pump heatrex® Silence | heatrex Silence | – | – | – | Castrop-Rauxel |
Additional services
Reference customers
Quality and Certification
The heatrex heat pumps are SG-Ready certified and thus prepared for operation with photovoltaic systems; they are listed in the BAFA list of subsidy-eligible heat pumps. The website also displays certificates from TÜV Süd and BRE.
| Evidence | Castrop-Rauxel |
|---|---|
| SG Ready |
Company History
- 2023
Founding and registration of heatrex® GmbH in the commercial register (December 2023).
- 2024
Launch of the company blog, including an article on the cooperation with Energieversum (22.02.2024).
- 2025
Open day at heatrex® in Castrop-Rauxel (27.03.2025).