Why Vaillant?Because we’re digging deep to find the heating products of tomorrow.

Ground source heat pump guide

You can be sure that when it comes to

creating the perfect environment, Vaillant

has it all under control. For more than 135

years, we have been setting the standards

in the heating market, developing products

that have revolutionised the industry.

Today we are one of Europe’s largest

heating technology manufacturers, with

an enviable reputation for performance,

efficiency, quality and reliability.

Leading the way requires constant innovation.

We continually invest in developing new

technologies for even better solutions –

all designed to create the perfect climate.

Benefits of geoTHERM

The geoTHERM range of ground source heat

pumps provides maximum comfort and

efficiency, combined with simple installation,

smooth operation and advanced diagnostics

that have become synonymous with the

Vaillant brand.

Vaillant isn’t just taking heating technology

forwards and upwards – it’s taking it

downwards, too, to unearth heating

solutions that combine maximum heat

efficiency with simple installation.

How does geoTHERM work?

geoTHERM ground source heat pumps

utilise energy stored in the ground, transfer

it through a refrigerant cycle and convert

it into heat that’s perfect for space heating

and hot water production.

As ever with Vaillant, this ingenious product

has been designed to ensure that the

installation can proceed as seamlessly as

possible and provide efficient, reliable heating

on a continuous basis once installed. One of

the most reliable sources of renewable heat,

the Vaillant ground source heat pump comes

with free commissioning and our intelligent

remotely monitored control to ensure

continuous comfort and peace of mind.

As environmental concerns grow and

your heating costs rise, the geoTHERM

range underlines Vaillant’s commitment to

meeting ever-changing needs by giving you

the fuel efficient solutions you’re looking for.

geoTHERM

Vaillant isn’t just taking heating technology forwards and upwards – it’s taking

it downwards too, to unearth heating solutions that combine maximum heat

efficiency with simple installation.

geoTHERM

geoTHERM is the perfect solution for

heating your home. geoTHERM can be

connected to a suitable high performance

hot water cylinder for domestic hot water

(DHW) and to an underfloor heating or

radiator system for space heating.

The geoTHERM range of ground source heat

pumps provides maximum comfort and

efficiency, combined with simple installation,

smooth operation and advanced diagnostics

that have become synonymous with the

Vaillant brand.

geoTHERM can be used in residential and

commercial properties. The geoTHERM

products are complemented by a range of

large output heat pumps designed for larger

homes or commercial buildings which

operate on a 3 phase electricity supply.

10

*When commissioned by a Vaillant service engineer or approved agent

geoTHERM

geoTHERM exclusive

Range of three different output models

available - 6kW, 8kW and 10kW

Evaporator with injection system for

increased heat transfer

Passive cooling function for complete

home comfort solution

Maximum flow temperature of up to

62°C for domestic hot water

Multi-stage Sound Insulation (MSI)

for ‘whisper quiet’ operation

Microgeneration Certification

Scheme (MCS) accredited - eligible

for government subsidies

It may take its energy source from within the ground, but the geoTHERM exclusive

ground source heat pump range is taking home comfort to new heights delivering

heating and cooling in one solution.

geoTHERM exclusive

geoTHERM exclusive offers a complete

solution to your home comfort providing

heat in the winter, passive cooling in the

summer and DHW throughout the year, all

from a single unit.

geoTHERM exclusive is equipped with a

weather-compensated energy-balance

control unit incorporating a 175 litre

stainless steel DHW cylinder and a

4kW electric auxiliary (backup) heater.

geoTHERM exclusive includes an integrated

passive cooling function when used with an

underfloor heating system. During the

summer months the heat recovery process

can be reversed. The excess heat in the

living space is withdrawn via the underfloor

heating system and then transferred

to the ground.

geoTHERM exclusive key features and benefits:

10

*When commissioned by a Vaillant service engineer or approved agent

geoTHERM exclusive

geoTHERM key features and benefits:

Range of nine different output models

available - 6kW, 8kW, 10kW (powered

by single phase electricity), 14kW, 17kW,

22kW, 30kW, 38kW and 46kW (powered

by three phase electricity)

Evaporator with injection system

for increased heat transfer

Weather compensated energy

balance control

Maximum flow temperature of up

to 62°C for domestic hot water

Multi-stage Sound Insulation (MSI)

for ‘whisper quiet’ operation

Microgeneration Certification

Scheme (MCS) accredited - eligible

for government subsidies

Features and benefits

Very high efficiency as the energy

is coming from the ground - a stable

temperature source

Homeowners will be eligible for future

Government funding if the heat pump is

installed by an MCS accredited installer

Lower fuel consumption than many

conventional heating systems, helping

reduce fuel bills and carbon emissions

No extra space required to store fuel

Homeowners are protected from

increasing gas, oil and LPG costs

Perfect for use with underfloor heating

and suitable for use with radiators

Multi-stage Sound Insulation (MSI) offers

‘whisper quiet’ operation

3 year guarantee when commissioned by

a Vaillant service engineer*

*2 year guarantee as standard

Vertical bore hole collector Horizontal ground collector

geoTHERM can be connected to a suitable high

performance hot water cylinder for domestic

hot water and to an underfloor heating or

radiator system for space heating. It is an

excellent choice for many properties, especially

those off the gas network, and provides

exceptional all year round performance.

Throughout the geoTHERM range the process

of heat generation is controlled and monitored

by advanced sensors. Continuous pressure

measurement in the refrigerant circuit, the

heating system and the bore hole/ground

loop collector in combination with an

anti-freeze function provides optimal comfort.

The range also includes larger heat pumps

for bigger domestic properties.

geoTHERM ground sourceheat pump range

How the technology works

Ground source heat pumps use energy

stored in the ground and convert this to

heat for heating or hot water production.

Low temperature energy from the earth

is passed through a CFC-free refrigerant

cycle, which converts this energy to higher

temperatures for use inside the home

or workplace.

When was the property built?

Insulation levels in new properties have

constantly improved since 1995 and

therefore have a great bearing on the

output required from a ground source heat

pump. Please note properties built pre-1970

may need a great deal of building fabric

improvements to allow a ground source

heat pump to work efficiently.

Is there a preference for a ground

collector or bore hole?

Domestic properties may require up to

400m2 of land for ground collectors to be

laid in and for bore holes, adequate access

is required for heavy plant and drilling

machines. This needs to be considered.

Is there suitable space within the home

to house a ground source heat pump?

Ground source heat pumps are floor

standing and therefore may not be suitable

to be placed in the same position as your

current boiler.

Ground loopcollector

Heatingsystem

Expansionvalve

Compressor

Evaporator

Condenser

Will a ground source heat pump be suitable for your home?

Vaillant Ltd.

Nottingham Road Belper Derbyshire DE56 1JT

Telephone 0845 602 2922 www.vaillant.co.uk info@vaillant.co.uk

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