Why KronoHP
High performance, without compromise
The Kronoterm ETERA is a modular ground source heat pump designed for homeowners and specifiers who want efficient heating without an outdoor unit. Suited to new-builds and renovation projects where quiet indoor operation, compact dimensions and long-term comfort matter.
- High seasonal efficiency with SCOP up to 6.22
- Quiet indoor operation with sound and noise control.
- Compatible with underfloor heating and radiators up to 67°C
- Modular indoor unit with horizontal or vertical ground loop
Key benefits
Everything you need in one system
Exceptional efficiency
ETERA L achieves a SCOP 6.22 at 35°C in the cold climate zone with ground-loop operation.
Ultra-quiet operation
Acoustic insulation and vibration control help reduce noise for discreet home heating.
Designed for modern homes
Minimalist styling and compact dimensions blend into your surrounding spaces.
Radiator & underfloor ready
Works with radiators, underfloor and convector heating to suit building designs.
Intelligent cloud control
Adjust the settings and heating schedules remotely with the CLOUD.KRONOTERM app
Heating & cooling in one
Heating, cooling and domestic hot water from a compact modular geothermal system.
Best fit applications
The right heat pump for every build
From energy-efficient new homes to renovation projects and commercial buildings, ETERA offers geothermal heating and cooling with ground collectors and modular configurations.
Barely there, by design
Special acoustic materials, vibration damping and dedicated controls help ETERA reduce operating noise. Its indoor housing combines compact dimensions with a Noise Management System, supporting heating and cooling without an outdoor unit.
Ready to take the next step with KronoHP?
Whether you are exploring ground source heating for the home, specifying a renovation project, comparing ground collectors or reviewing technical data, discover the full Kronoterm ETERA range.
Key components
Heat pump technology designed for real-world performance
Modular ETERA indoor unit
- Three sizes: S, M and L
- Compact indoor installation
- Removable heat pump module
- Heating, cooling and hot water
HYDRO.B domestic hot water
- 200-litre stainless steel cylinder
- Compact floor-standing module
- Domestic hot water preparation
- Thermal disinfection function
Horizontal or vertical collectors
- Horizontal ground collectors
- Vertical borehole collectors
- Closed-loop brine/water operation
- Source sized for the project
Technical specification
Everything you need to specify with confidence
| Heat output range | S: 2–9 kW; M: 4–12 kW; L: 6–18 kW |
|---|---|
| Seasonal efficiency | Up to SCOP 6.22¹ |
| Maximum outlet temperature | Up to 67°C² |
| Ground source | Horizontal collectors or vertical boreholes |
| Refrigerant | R452B |
| Sound pressure at 1 metre | ETERA L: 27 dB(A)³ |
| Cooling | Active cooling; optional passive cooling |
| Configuration | Indoor brine-to-water heat pump |
Resources
Downloads and Documentation
Ready to specify ETERA today?
Whether you're a homeowner planning your install or an installer specifying a project, discover the ETERA range with Kronoterm.