Kronoterm VERSI
Air Source Heat Pump

Kronoterm VERSI

A compact air-to-water heat pump for efficient heating, cooling and hot water. Designed for quiet operation, flexible installation and homes with limited available space.

SCOP 4.97 Industry-leading efficiency
21 dB(A) Noise level
−25°C Operating range
R452B Refrigerant
67°C Max flow temperature
Why KronoHP

High performance, without compromise

The Kronoterm VERSI is a compact air source heat pump designed for homeowners and specifiers who need efficient heating where space is limited. Suited to low-energy new houses, apartments and small buildings where quiet operation, flexible installation and design matter.

  • High seasonal efficiency.
  • Quiet operation with noise and vibration management.
  • Compatible with your radiator, underfloor and wall heating.
  • Flexible indoor and outdoor installation to suit your home.
Kronoterm VERSI
Key benefits

Everything you need in one system

Exceptional efficiency

VERSI-X achieves a SCOP of 4.84 at 35°C in the average climate zone for seasonal heating.

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 wall heating to suit your 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 in a compact air-to-water heating system.

Best fit applications

The right heat pump for every build

From low-energy homes to apartment renovations and small commercial buildings, VERSI offers compact heating and cooling with installation options to suit your available space.

New build New build Compact heating for low-energy and passive homes, with support for underfloor heating.
Renovation Renovation Indoor VERSI-I uses air ducts, offering an option where outdoor units are restricted.
Apartments Apartments Compact VERSI-X offers flexible heating for apartments, with options for balcony installation.
Ultra Quiet Operation

Barely there, by design

Special acoustic materials, vibration damping and a variable-speed fan help VERSI reduce operating noise. Its Noise Management System combines these features with dedicated control logic for quiet heating in houses where space is limited.

Compact by design

More comfort. Less space.

Designed for homes with limited space and lower heating needs, VERSI combines compact proportions with clean, understated styling. With outdoor, indoor and balcony installation options across the range, it gives you more flexibility to find a heating solution that fits your home.

YEAR-ROUND COMFORT

One system. Every season.

VERSI provides heating, hot water and cooling within a suitably configured system. Adaptive controls adjust heating output to the building’s needs, helping maintain comfort as conditions change. It’s a flexible approach to everyday living, from warm winter mornings to more comfortable summer days.

Ready to take the next step with KronoHP?

Whether you are exploring heat pumps for your home, specifying a system for a project, looking to become an approved installer or you need technical support, we will help you find the right route.

Speak to our team
Key components

Heat pump technology designed for real-world performance

VERSI-X heat pump
OUTDOOR UNIT

VERSI-X heat pump

  • Flexible indoor or outdoor installation
  • Heating, cooling and domestic hot water
  • Adjustable air routing for flexible positioning
  • Compact white casing for discreet integration
Flexible hydraulic options
INDOOR MODULE

Flexible hydraulic options

  • HYDRO C2 combines hydraulics and hot water storage
  • Compact cabinet occupies less than 0.5 m²
  • Wall-mounted HYDRO S2 offers an alternative
  • Choose the configuration to suit your home
KT-2A room controller
CONTROL

KT-2A room controller

  • Room temperature measurement and adjustment
  • Clear LCD display with simple controls
  • Quick access to hot water boost
  • Remote access through CLOUD.KRONOTERM

Ready to specify the Kronoterm VERSI?

Whether you're a homeowner planning an install or an installer specifying a project, KronoHP is your UK distribution partner.

Speak to our team