Air-to-Water Heat PumparoTHERM Split plus

Unlimited flexibility.

The quietest split heat pump* on the market (*for 7kW)
Maximum flexibility in choosing a location
Highest energy efficiency up to A+++ for low operating costs
Active cooling for a comfortable room temperature on hot summer days
Convenient control via smartphone and myVaillant App

The aroTHERM Split plus uses outside air to heat, cool, and prepare hot water with exceptional efficiency. It is available in output sizes from 3 to 7 kW, making it ideal for single-family homes with low energy requirements, especially for new-builds. It is also ideal for heating modernization in hybrid systems. With up to 40 m between the outdoor and indoor units and a particularly quiet night mode, it offers complete freedom of installation.

Ideal for:

Heating
Hot water
Cooling

Extremely quietHeat that no one hears.
Extremely quiet
Thanks to the innovative Sound Safe System, our heat pumps impress with their particularly quiet operation. Our aroTHERM Split plus is even the quietest split heat pump on the market in the 7 kW performance class. Enjoy the perfect combination of warmth and tranquility – no matter which location you choose.
No limitsFlexible distance, free choice.
No limits
With our aroTHERM Split plus, you have complete freedom when choosing the location. Thanks to the innovative split design, the indoor and outdoor units can be up to 40 meters apart and have a height difference of up to 30 meters. This means that the perfect installation location can be found for every house and every garden.
Top marks that pay offHeats with maximum economy.
Top marks that pay off
Awarded the highest energy efficiency class A+++ at 35 °C for heating and A+ for hot water preparation, our aroTHERM Split plus is one of the top-class split heat pumps. Its efficient operation saves energy and is easy on both your wallet and the environment.
Cool in summerActive cooling without the need for additional air conditioning units.
Cool in summer
With our aroTHERM Split plus you can enjoy pleasant cooling as well – even at high outside temperatures on hot summer days. The system is optimised for cooling thanks to improved insulation and a condensate tray. Thus, you can cool the room by up to 3°C with underfloor heating or enjoy full cooling comfort by adding separate fan coils.
Tailored settings to goAlways in control with myVaillant App.
Tailored settings to go
With the included Internet gateway myVAILLANT connect, you can conveniently track the system’s energy consumption and precisely set desired temperatures and fixed operation hours with no effort via our app.

Technical data table overline

Technical data table headline

aroTHERM Split plus
VWL 35/8.2 AS 230V	VWL 55/8.2 AS 230V	VWL 55/8.2 AS 230V	VWL 75/8.2 AS 230V	VWL 75/8.2 AS 230V	VWL 45/8.2 AS 230V S3	VWL 65/8.2 AS 230V S3	VWL 85/8.2 AS 230V S3

Power Output and Efficiency

Heat Output / Power Consumption / COP for A-7/W35	Heat Output / Power Consumption / COP for A-7/W35	3,54 kW / 1,11 kW / 3,2	4,89 kW / 1,63 kW / 3	4,89 kW / 1,63 kW / 3	6,39 kW / 2,06 kW / 3,1	6,39 kW / 2,06 kW / 3,1	3,45 kW / 1,01 kW / 3,2	4,89 kW / 1,63 kW / 3,0	6,39 kW / 2,06 kW / 3,1
Heat Output / Power Consumption / COP for A2/W35	Heat Output / Power Consumption / COP for A2/W35	2,22 kW / 0,56 kW / 4	2,22 kW / 0,56 kW / 4	2,22 kW / 0,56 kW / 4	3,13 kW / 0,71 kW / 4,4	3,13 kW / 0,71 kW / 4,4	2,28 kW / 0,56 kW / 4,1	2,28 kW / 0,56 kW / 4,1	3,13 kW / 0,71 kW / 4,4
Heat Output / Power Consumption / COP for A7/W35	Heat Output / Power Consumption / COP for A7/W35	3,54 kW / 0,71 kW / 5	4,51 kW / 0,92 kW / 4,9	4,51 kW / 0,92 kW / 4,9	5,07 kW / 0,98 kW / 5,2	5,07 kW / 0,98 kW / 5,2	4,13 kW / 0,83 kW / 5,0	5,84 kW / 1,27 kW / 4,6	7,61 kW / 1,59 kW / 4,8
Heat Output / Power Consumption / COP for A7/W45	Heat Output / Power Consumption / COP for A7/W45	3,27 kW / 0,88 kW / 3,7	4,13 kW / 1,15 kW / 3,6	4,13 kW / 1,15 kW / 3,6	4,78 kW / 1,23 kW / 3,9	4,78 kW / 1,23 kW / 3,9	3,27 kW / 0,88 kW / 3,7	4,13 kW / 1,15 kW / 3,6	4,78 kW / 1,23 kW / 3,9
Heat Output / Power Consumption / COP for A7/W55	Heat Output / Power Consumption / COP for A7/W55	5 kW / 1,72 kW / 2,9	5,36 kW / 1,91 kW / 2,8	5,36 kW / 1,91 kW / 2,8	6,45 kW / 2,08 kW / 3,1	6,45 kW / 2,08 kW / 3,1	5,0 kW / 1,72 kW / 2,9	5,36 kW / 1,91 kW / 2,8	8,51 kW / 2,93 kW / 2,9
Cooling Output / Power Consumption / EER for A35/W7	Cooling Output / Power Consumption / EER for A35/W7	4,4 kW / 1,38 kW / 3,2	5,22 kW / 1,74 kW / 3	5,22 kW / 1,74 kW / 3	7 kW / 2,69 kW / 2,6	7 kW / 2,69 kW / 2,6	4,4 kW / 1,38 kW / 3,2	5,22 kW / 1,74 kW / 3,0	7,0 kW / 2,69 kW / 2,6
Cooling Output / Power Consumption / EER for A35/W18	Cooling Output / Power Consumption / EER for A35/W18	4,46 kW / 1,01 kW / 4,4	5,31 kW / 1,26 kW / 4,2	5,31 kW / 1,26 kW / 4,2	7,29 kW / 1,82 kW / 4	7,29 kW / 1,82 kW / 4	4,04 kW / 0,92 kW / 4,4	5,31 kW / 1,26 kW / 4,2	7,29 kW / 1,82 kW / 4,0

Electrical Connection

Electrical Power Consumption (max)	Electrical Power Consumption (max)	2,7 kW	2,7 kW	2,7 kW	3,2 kW	3,2 kW	2,7 kW	2,7 kW	3,2 kW
Electrical Voltage Supply	Electrical Voltage Supply	230 V (50 Hz)	230 V (50 Hz)	230 V (50 Hz)	230 V (50 Hz)	230 V (50 Hz)	230 V (50 Hz)	230 V (50 Hz)	230 V (50 Hz)
IP Rating¹	IP Rating¹	IP14B	IP14B	IP14B	IP14B	IP14B	IP14B	IP14B	IP14B

Refrigerant

Refrigerant	Refrigerant	R32	R32	R32	R32	R32	R32	R32	R32
GWP	GWP	675	675	675	675	675	675	675	675
CO₂ Equivalent	CO₂ Equivalent	0,88 t	0,88 t	0,88 t	1,01 t	1,01 t	0,88 t	0,88 t	1,01 t
Refrigerant Quantity Default	Refrigerant Quantity Default	1,3 kg	1,3 kg	1,3 kg	1,5 kg	1,5 kg	1,3 kg	1,3 kg	1,5 kg

Noise Emission

Sound Power Level (ErP)	Sound Power Level (ErP)	47,5 dB(A)	47,5 dB(A)	47,5 dB(A)	48,3 dB(A)	48,3 dB(A)	47,5 dB(A)	47,5 dB(A)	48,3 dB(A)
Sound Power Level at A-7/W35 (max)	Sound Power Level at A-7/W35 (max)	57 dB(A)	57 dB(A)	57 dB(A)	58 dB(A)	58 dB(A)	57 dB(A)	57 dB(A)	58 dB(A)
Sound Power Level at A-7/W35 (60 % Noise Reduction Mode)	Sound Power Level at A-7/W35 (60 % Noise Reduction Mode)	47,6 dB(A)	47,6 dB(A)	47,6 dB(A)	48,7 dB(A)	48,7 dB(A)	47,6 dB(A)	47,6 dB(A)	48,7 dB(A)
Sound Power Level at A35/W7	Sound Power Level at A35/W7	56,2 dB(A)	56,2 dB(A)	56,2 dB(A)	56,4 dB(A)	56,4 dB(A)	56,2 dB(A)	56,2 dB(A)	56,4 dB(A)
Sound Power Level at A35/W18	Sound Power Level at A35/W18	53,5 dB(A)	53,5 dB(A)	53,5 dB(A)	55 dB(A)	55 dB(A)	53,5 dB(A)	53,5 dB(A)	55 dB(A)

Connections

Connection Dimension Refrigerant Suction Pipe	Connection Dimension Refrigerant Suction Pipe	½″	½″	½″	½″	½″	½″	½″	½″
Connection Dimension Refrigerant Liquid Pipe	Connection Dimension Refrigerant Liquid Pipe	¼″	¼″	¼″	¼″	¼″	¼″	¼″	¼″

Dimensions

Height / Width / Depth	Height / Width / Depth	765 mm / 1.100 mm / 450 mm	765 mm / 1.100 mm / 450 mm	765 mm / 1.100 mm / 450 mm	960 mm / 1.100 mm / 450 mm	960 mm / 1.100 mm / 450 mm	765 mm / 1.100 mm / 450 mm	765 mm / 1.100 mm / 450 mm	960 mm / 1.100 mm / 450 mm
Weight (Sale Packaged)	Weight (Sale Packaged)	107 kg	107 kg	107 kg	121 kg	121 kg	107 kg	107 kg	121 kg
Weight Ready for Operation	Weight Ready for Operation	86 kg	86 kg	86 kg	100 kg	100 kg	86 kg	86 kg	100 kg

Limitations

Current Consumption (max)	Current Consumption (max)	12 A	12 A	12 A	14 A	14 A	12 A	12 A	14 A
Temperature Heating (min - max)	Temperature Heating (min - max)	5 - 62 °C	5 - 62 °C	5 - 62 °C	5 - 62 °C	5 - 62 °C	5 - 62 °C	5 - 62 °C	5 - 62 °C
Temperature Cylinder (max)	Temperature Cylinder (max)	55 °C	55 °C	55 °C	55 °C	55 °C	55 °C	55 °C	55 °C
Temperature Cylinder (With Back-Up Heater) (max)	Temperature Cylinder (With Back-Up Heater) (max)	70 °C²	70 °C²	70 °C²	70 °C²	70 °C²	70 °C	70 °C	70 °C
Distance (Indoor to Outdoor Unit) (max)	Distance (Indoor to Outdoor Unit) (max)	40 m	40 m	40 m	40 m	40 m	40 m	40 m	40 m
Height Difference (Indoor to Outdoor Unit, Outdoor Unit Above Indoor Unit) (max)	Height Difference (Indoor to Outdoor Unit, Outdoor Unit Above Indoor Unit) (max)	30 m	30 m	30 m	30 m	30 m	30 m	30 m	30 m
Height Difference (Indoor to Outdoor Unit, Outdoor Unit Beneath Indoor Unit) (max)	Height Difference (Indoor to Outdoor Unit, Outdoor Unit Beneath Indoor Unit) (max)	10 m	10 m	10 m	10 m	10 m	10 m	10 m	10 m

¹EN 60529

²Not valid for S1 variants

Air-to-Water Heat PumparoTHERM Split plus

Extremely quietHeat that no one hears.

Extremely quiet

No limitsFlexible distance, free choice.

No limits

Top marks that pay offHeats with maximum economy.

Top marks that pay off

Cool in summerActive cooling without the need for additional air conditioning units.

Cool in summer

Tailored settings to goAlways in control with myVaillant App.

Tailored settings to go