Vaillant heat pumps
A complete Vaillant heat-pump system, designed for your home.
Enerus brings the aroTHERM plus, hot-water cylinder and Vaillant controls together around a room-by-room heat-loss design—not a generic appliance swap.

Explore the system
Outdoor unit, cylinder and controls—working together.
Select a component to see what it does and where it fits within a Vaillant installation.

Air source heat pump
aroTHERM plus
Vaillant’s current air-to-water heat pump range provides space heating and works with a correctly specified cylinder for domestic hot water.
- Five output options for different calculated duties
- Designed for radiator or underfloor-heating systems
- myVAILLANT app connectivity with the required gateway
The correct output is selected from the design heat loss and manufacturer performance data—not property size alone.
aroTHERM plus range
Five outputs. One calculated selection.
The expanded range gives the designer more scope to match the equipment to the property.
Vaillant hot-water cylinders
Standard or slimline—the cylinder must fit the household and the space.
Hot-water storage is sized around actual demand, recovery and available plant-room dimensions.

uniSTOR standard cylinder
A conventional-format stainless-steel cylinder where adequate cupboard or plant-room width is available.
- Designed for consistent stored hot water
- Standard and pre-plumbed configurations within the range
- Capacity selected from occupancy and usage—not bedrooms alone

uniSTOR slimline cylinder
A narrower cylinder option intended to make better use of taller, restricted-width spaces.
- Useful where cupboard width is the key constraint
- Still requires service access and practical pipe routes
- Height, diameter and capacity checked before specification

Vaillant sensoCOMFORT
The control that coordinates the system.
sensoCOMFORT is designed to manage Vaillant heating and hot water, including more complex systems with multiple zones, renewables or hybrid arrangements.
- Weather compensation using an outdoor sensor
- Wired and wireless versions available
- Heating and hot-water scheduling
- Compatible with myVAILLANT connect and the myVaillant app
- Commissioned around the design flow temperature and heat curve
Weather compensation is not simply an on/off thermostat feature. Correct heat-curve setup helps the system supply the lowest suitable water temperature as outdoor conditions change.
Enerus design process
The product range only becomes useful when the system is designed properly.
Calculate the requirement
Room-by-room heat loss establishes the property duty and the output required at local winter design conditions.
Build the complete system
Emitters, cylinder, hydraulics, controls, electrical supply, siting and access are specified together.
Commission for operation
Flow settings, weather compensation, balancing, hot water and controls are tested before handover.
Vaillant heat pump questions
What homeowners usually want to know.
Which Vaillant aroTHERM plus size do I need?
The current range includes 3.5, 5, 7, 10 and 12 kW nominal models. Selection requires the room-by-room heat loss and the unit output at the proposed flow temperature and design outdoor temperature.
What is the difference between standard and slimline cylinders?
The principal practical difference is shape and footprint. A slimline cylinder can suit a restricted-width space, while the standard format may suit a wider cupboard. Capacity, recovery, access and pipework still need checking.
What does sensoCOMFORT do?
It manages heating and hot water and uses weather compensation to adjust system operation as outdoor conditions change. Vaillant offers wired and wireless versions.
Can I control a Vaillant heat pump by app?
Yes, when the compatible myVAILLANT connect internet gateway is included. The app can provide temperature, time and energy-consumption functions supported by the installed system.
Does aroTHERM plus work with existing radiators?
Potentially. Each radiator must be checked against the room heat loss at the proposed flow temperature. Some can remain; others may need changing where the calculated output is insufficient.
What guarantee is available?
Vaillant states a two-year standard guarantee for the current aroTHERM plus, extendable up to seven years subject to installer, cylinder, registration and eligibility conditions. The exact cover should be confirmed in the written proposal.
Start with your home
Build the right Vaillant system around the property.
Tell Enerus about the home, existing heating and hot-water use. We’ll review the information and explain the sensible next design step.
