CTA Heatpumps

Optiheat Terra All-in-One

Geothermal energy

Optiheat Terra All-in-One

Unique – uses propane with no need for an on-site safety plan (up to 18 kW)

  • Heating capacity range: 1 - 18 kW

  • Natural refrigerant R-290 (propane)

  • Swiss development and production

  • Simple and flexible installation

  • Scarcely audible

  • High flexibility of hydraulic connections

  • Highest efficiency (SCOP 5.3 à B0/W35 resp. 6.2 à B5/W35)

  • Secure, no on-site safety concept required

Learn more
Optiheat Inverta TWW

Geothermal energy

Optiheat Inverta TWW

3-in-1 concept, capacity-regulated, personalised

  • Heating capacity range: 2 - 7.5 kW

  • One unit for heating, cooling and hot water

  • Space-saving all-in-one unit

  • No heat billing in block of flats

  • Scarcely audible

Learn more
Optiheat Inverta Economy

Geothermal energy

Optiheat Inverta Economy

Energy-efficient, capacity-regulated, flexible

  • Heating capacity range: 5 - 35 kW

  • Wide performance range

  • Available with hydraulics ready for connection (OH I 9ec)

  • Fits through all standard doors

  • Very quiet operation

Learn more
Optialtum Inverta HT

Geothermal energy

Optialtum Inverta HT

Hot water generation made easy – compact and reliable

  • Heating capacity range: 13.6 - 50.1 kW

  • Particularly suitable for hot water generation

  • Legionella protection without electric booster heater

  • Perfect for renovations

  • Reliable make with one or two separate cooling circuits

Learn more
Optialtum Inverta HT with two compressors

Geothermal energy

Optialtum Inverta HT with two compressors

Hot water generation made easy – compact and reliable

  • Heating capacity range: 13.6 - 100.2 kW

  • Particularly suitable for hot water generation

  • Legionella protection without electric booster heater

  • Perfect for renovations

  • Reliable make with one or two separate cooling circuits

Learn more

5 from 96 product ranges

Product type