
Sales, installation and service of CTC heat pumps as well as heating maintenance, oil burner service and emergency service in Carinthia

HTS Heizungstechnische Produkte – Service Groß- und Detailhandelsgesellschaft m.b.H.
Klagenfurt (Headquarters) · Wiener Neustadt (since 2011)New on Amplifa
HTS – Heating. Technology. Service.
HTS Heiztechnik is an Austrian company in the heating and building technology sector, headquartered in Klagenfurt (Ehrentaler Straße 55) with a second location in Wiener Neustadt. For over 35 years, the company has been offering heating solutions for single- and two-family homes as well as small residential construction. The specialty is heat pumps from the Swedish manufacturer CTC: air source heat pumps (e.g. CTC EcoAir 610M/614M/622M with 2.5–22 kW), brine/ground source heat pumps as well as controls and system buffer tanks. HTS accompanies projects from consulting and planning through installation by its own installers, electricians and service technicians to maintenance and repair. The service portfolio includes heating maintenance with a maintenance contract, oil burner service with boiler cleaning, environmental measurements in accordance with § 15 K-HeizVO, breakdown service and heating emergency service even on Sundays and public holidays, as well as the CTC factory service with original parts. The company serves around 8,000 service customers in Carinthia and is a member of the Verband Wärmepumpe Austria (WPA).
- Site
- Klagenfurt
- Processes
- Oil burner service (with nozzle), Oil burner service with boiler cleaning, Environmental measurement (documented flue gas measurement in accordance with § 15 K-HeizVO), Heat pump service, Heating maintenance, service and repair of heating systems, Heating emergency service (including Sundays and public holidays), CTC factory service, Installation of air source heat pumps
- Materials
- Refrigerant R407C, Refrigerant R407C (GWP 1774), Air source heat pump CTC EcoAir 610M, Air source heat pump CTC EcoAir 614M, Air source heat pump CTC EcoAir 622M, Heat pump controller CTC EcoLogic L/M
- Certificates
- Environmental measurement § 15 K-HeizVO, CTC factory service
- Industries
- Heating technology, Building technology, Single- and two-family homes, Small residential construction, Single-/two-family homes, small residential construction
- 01
Consulting and planning of the heating system
- 02
Quotation and product selection (CTC heat pumps, controls, system buffer tanks)
- 03
Installation by in-house installers and electricians
- 04
Commissioning and handover
- 05
Maintenance, service and troubleshooting
- 06
Environmental measurement in accordance with § 15 K-HeizVO
Technology & Products
Refrigerant R407C (GWP 1774)
Refrigerant of the CTC EcoAir 600M air source heat pump series (2.2–2.7 kg per unit).
Air source heat pump CTC EcoAir 610M
Air-to-water heat pump with inverter-controlled compressor, heating output 2.5–10 kW, energy class up to A+++.
Air source heat pump CTC EcoAir 614M
Air-to-water heat pump with heating output 2.5–14 kW and SCOP values up to 4.9.
Air source heat pump CTC EcoAir 622M
Air-to-water heat pump with heating output 4.5–22 kW, domestic hot water preparation up to 65 °C.
Heat pump controller CTC EcoLogic L/M
Control system for automatic monitoring and regulation of up to ten (L) or two (M) heat pumps including internet connectivity.
Locations
Klagenfurt
ATHeadquarters, sales, customer service and emergency service
- Materials
- Air and ground source heat pumps (CTC), oil burner service, environmental measurement
- CTC factory service
- Emergency service on call
Products & Systems



Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Oil burner service (with nozzle)Installation | – | – | – | – | – |
| Oil burner service with boiler cleaningInstallation | – | – | – | – | – |
| Environmental measurement (documented flue gas measurement in accordance with § 15 K-HeizVO)Testing | – | – | – | – | – |
| Heat pump serviceInstallation | – | – | – | – | – |
| Heating maintenance, service and repair of heating systemsInstallation | – | – | – | – | – |
| Heating emergency service (including Sundays and public holidays)Installation | – | – | – | – | – |
| CTC factory serviceInstallation | – | – | – | – | – |
| Installation of air source heat pumpsInstallation | – | – | – | – | – |
| Installation of ground source heat pumps (brine)Installation | – | – | – | – | – |
| Installation of controls & system buffer tanksInstallation | – | – | – | – | – |
| Planning of heating systemsEngineering | – | – | – | – | – |
| Electrical installation (electricians)Installation | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CTC EcoAir 610M air source heat pump | CTC CTC EcoAir 610M | – | 2.5–10 kW | – | – |
| CTC EcoAir 614M air source heat pump | CTC CTC EcoAir 614M | – | 2.5–14 kW | – | – |
| CTC EcoAir 622M air source heat pump | CTC CTC EcoAir 622M | – | 4.5–22 kW | – | – |
| Heat pump controller CTC EcoLogic L/M | CTC CTC EcoLogic L/M | – | Control of up to ten heat pumps (L) or two (M) | – | – |
Additional services
Reference customers
Customer Service & Availability
Service work according to manufacturer specifications as a CTC factory service with certified original parts; documented environmental measurements in accordance with § 15 K-HeizVO. Faults reported by 16:00 are usually handled the same day, depending on urgency.
| Evidence | Klagenfurt |
|---|---|
| Environmental measurement § 15 K-HeizVO | |
| CTC factory service |
History
- ab ca. 1990
Over 35 years in the market in the field of heating technology (according to website)
- 2011
Opening of the location in Wiener Neustadt