
Development, manufacturing and service of pressure maintenance stations, degassing, expansion and vessel technology for closed heating and cooling systems

barnova GmbH
Bad Laasphe (Headquarters, Manufacturing, Design, Service)New on Amplifa
Technical responsibility from design to service
barnova GmbH, based in Bad Laasphe, develops, manufactures and services systems for closed water-based heating, cooling and process circuits. The product portfolio includes pump-controlled pressure maintenance stations (TECHNOMAT), vacuum degassing stations (TECHNOCAT), membrane expansion vessels (TECHNOFLEX), air, micro-bubble and sludge separators (TOPCAT), water treatment as well as project-specific pressure vessels and apparatuses. In addition, communication modules for building control technology and remote monitoring are offered. The value chain from design through manufacturing to commissioning and service is handled at the Bad Laasphe site with short communication paths. In addition to its own systems, the company also services third-party products, in particular with a special service for existing OTTO-HEAT systems. Customers include building technology, energy generation, bank buildings and educational construction; references range from the hot water plant CHP DÅVA 2 in Umeå (Sweden) to NORD/LB in Braunschweig.
- Site
- Bad Laasphe
- Processes
- Pump-controlled pressure maintenance (TECHNOMAT pressure maintenance stations), Vacuum degassing (TECHNOCAT vacuum volumetric flow degassing), Membrane expansion vessels (TECHNOFLEX HN, HT, SO, TS), Manufacturing of project-specific pressure vessels and special vessels/apparatuses (TECHNOFLEX HT,, Water treatment: softening, desalination, full deionization, Manufacturing of air, micro-bubble and sludge separators (TOPCAT, TOPCAT PLUS, TOPCUT DUO PLUS), Manufacturing of communication modules/remote monitoring (BACnet IP, Modbus RTU/TCP, PROFIBUS,, System service: commissioning, maintenance, repair, membrane replacement, retrofit/modernization,
- Materials
- Pressure maintenance stations, Vacuum degassing, Membrane expansion vessels, Separators, Project-specific vessels, System water
- Certificates
- DIN EN ISO 9001:2015, Module D + D1 Pressure Equipment Directive, Maintenance according to BetrSiV
- Industries
- Building technology (heating/cooling), Energy generation (hot water plants, waste incineration), Bank buildings, Educational construction
- 01
Design and project consulting
- 02
Engineering (CAD)
- 03
Manufacturing and assembly
- 04
Quality inspection and documentation
- 05
Commissioning and training
- 06
Maintenance, repair, retrofit and remote monitoring
Product areas and processes
Pressure maintenance stations
Pump-controlled pressure maintenance for heating, refrigeration and process circuits, up to high-pressure and hot-water applications.
Vacuum degassing
Vacuum volumetric flow degassing of system and make-up water, up to 50 percent glycol.
Membrane expansion vessels
HN, HT, SO and TS series for heating, solar and potable water with membrane replacement in service.
Separators
Air, micro-bubble and sludge separation to protect pumps, heat exchangers and valves.
Project-specific vessels
Pressure and special vessels (TECHNOFLEX HT, BT, TS, VA) designed according to medium, volume, pressure and temperature.
System water
Softening, desalination and full deionization of fill and make-up water.
Site

Bad Laasphe
DEHeadquarters, Manufacturing, Design, Service
- Materials
- Pressure maintenance, degassing, expansion, water treatment, vessel technology
- Pressure maintenance stations TECHNOMAT PROGRESS, Kompakt, DUO PLUS
- Vacuum degassing stations TECHNOCAT TC3–TC9 and TC mobil
- Membrane expansion vessels TECHNOFLEX
- Separators TOPCAT / TOPCUT
- Communication modules (BACnet IP, Modbus, PROFIBUS, PROFINET)
Systems and components








Inside the production












Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Pump-controlled pressure maintenance (TECHNOMAT pressure maintenance stations)Engineering | – | – | – | – | Water, Water-glycol mixture |
| Vacuum degassing (TECHNOCAT vacuum volumetric flow degassing)Engineering | – | – | – | – | System water, Make-up water, Water-glycol mixture (up to 50 percent glycol) |
| Membrane expansion vessels (TECHNOFLEX HN, HT, SO, TS)Casting | – | – | – | – | System medium (water/water-glycol) |
| Manufacturing of project-specific pressure vessels and special vessels/apparatuses (TECHNOFLEX HT,Casting | – | – | – | – | – |
| Water treatment: softening, desalination, full deionizationEngineering | – | – | – | – | Fill water, Make-up water |
| Manufacturing of air, micro-bubble and sludge separators (TOPCAT, TOPCAT PLUS, TOPCUT DUO PLUS)Casting | – | – | – | – | – |
| Manufacturing of communication modules/remote monitoring (BACnet IP, Modbus RTU/TCP, PROFIBUS,Assembly | – | – | – | – | – |
| System service: commissioning, maintenance, repair, membrane replacement, retrofit/modernization,Assembly | – | – | – | – | – |
| OTTO HEAT special service: maintenance, repair, membrane replacement, spare parts, modernization,Assembly | – | – | – | – | – |
| Design/engineering of pressure maintenance, degassing, expansion and water treatmentEngineering | – | – | – | – | – |
| Manufacturing of shell-and-tube heat exchangersCasting | – | – | – | – | – |
| Manufacturing of temperature stratification and sludge drain vesselsCasting | – | – | – | – | – |
20 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Pressure maintenance station (pump-controlled) | barnova TECHNOMAT PROGRESS | – | – | – | Bad Laasphe |
| Compact pressure maintenance station | barnova TECHNOMAT Kompakt (NOVA Kompakt) | – | up to approx. 12 MW, vessels approx. 150 to 10,000 l, static head up to approx. 140 m | – | Bad Laasphe |
| Redundant dual-pump pressure maintenance station | barnova TECHNOMAT DUO PLUS | – | High-pressure and hot-water range | – | Bad Laasphe |
| Pressure maintenance station | barnova TECHNOMAT DUO NOVA 8 – 2.500/2 | 1 | – | 2019 | NORD/LB Braunschweig |
| Pressure maintenance station | barnova TECHNOMAT DUO NOVA 5 – 4.000/2 | 1 | – | 2023 | NORD/LB Braunschweig |
| Pressure maintenance station | barnova TECHNOMAT NOVA 5 – 1.250 | 1 | – | – | Gesamtschule Laubach |
| Pressure maintenance station (high pressure) | barnova TECHNOMAT HD-E 8,9–240 | 1 | – | 2008 | CHP DÅVA 2, Umeå (Sweden) |
| Pressure maintenance station | barnova TECHNOMAT DS 4.500 (10,0 bar) | 1 | – | 2008 | CHP DÅVA 2, Umeå (Sweden) |
| Vacuum degassing station | barnova TECHNOCAT TC3 to TC9 (TC3-70/95 to TC9-70/95) | – | Max. operating pressure 10 bar, holding pressure 1.8 to 9.0 bar, operating temperature 70/95 °C, | – | Bad Laasphe |
| Mobile vacuum degassing station | barnova TECHNOCAT TC mobil | – | – | – | Bad Laasphe |
| Membrane expansion vessel | barnova TECHNOFLEX HN / HT / SO / TS | – | – | – | Bad Laasphe |
| Membrane expansion vessel | barnova TECHNOFLEX TS 2.000 | – | – | 2008 | CHP DÅVA 2, Umeå (Sweden) |
| Membrane expansion vessel | barnova TECHNOFLEX HT 1.000 | – | – | 2008 | CHP DÅVA 2, Umeå (Sweden) |
| Temperature stratification vessel | barnova TECHNOFLEX TS | – | – | – | – |
| Separator (air/micro-bubbles) | barnova TOPCAT | – | – | – | Bad Laasphe |
| Separator (air/micro-bubbles, extended) | barnova TOPCAT PLUS | – | – | – | Bad Laasphe |
| Combined air and sludge separator | barnova TOPCUT DUO PLUS | – | – | – | Bad Laasphe |
| Communication modules (BACnet IP, Modbus RTU/TCP, PROFIBUS, PROFINET, web interface) | barnova | – | – | – | Bad Laasphe |
| Service/modernization of existing OTTO-HEAT systems (DS-KOMPREX, EXPANSOMAT, HYPRESS series, | OTTO HEAT (serviced by barnova) DS-KOMPREX DSK-E-PLUS, DS-KOMPREX Tandem, DS-KOMPREX GKS II, DS-KOMPREX MINI, | – | – | – | – |
| Vessels/apparatuses (temperature stratification, sludge drain vessels, ULTRAFLEX, LONGTHERM, | OTTO HEAT (serviced by barnova) TS, AS, ULTRAFLEX, LONGTHERM, MAXITHERM, TOPROTHERM | – | – | – | – |
Additional services
Reference customers
Quality, testing and certifications
Systems are tested before delivery and during commissioning; the system documentation accompanies maintenance and service. barnova is certified according to DIN EN ISO 9001:2015 (TÜV SÜD, no. 12 100 64431 TMS) as well as according to Module D + D1 of the Pressure Equipment Directive.
| Evidence | Bad Laasphe |
|---|---|
| DIN EN ISO 9001:2015 | |
| Module D + D1 Pressure Equipment Directive | |
| Maintenance according to BetrSiV |
History
- 2008
Equipping of the hot water plant CHP DÅVA 2 in Umeå (Sweden) with TECHNOMAT and TECHNOFLEX systems
- 2019
Conversion of the first legacy system of NORD/LB Braunschweig to TECHNOMAT DUO NOVA 8 – 2.500/2
- 2023
Conversion of the second legacy system of NORD/LB Braunschweig to TECHNOMAT DUO NOVA 5 – 4.000/2
- 2024
ISO 9001:2015 certificate renewed, valid until 31.03.2027