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Air Source Heat Pumps by Viessmann

Viessmann’s heating, cooling, hot water and energy solutions are considered some of the best in the world, and its range of air source heat pumps are no exception. Ideal for new builds and renovations, the brand’s air source heat pumps are an efficient and eco-friendly way of heating your home. Each one is engineered in Germany and features superior build quality for reliability and long-lasting performance


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If you’re searching for a renewable energy heating system that offers impressive efficiency and longevity, a Viessmann air source heat pump will not disappoint.

Viessmann Vitocal aroTHERM Air Source Heat Pump Range

The Vitocal air source heat pump range from Viessmann uses advanced technology to absorb the latent heat in outdoor air to heat your home and provide hot water. They’re versatile solutions that can be used as standalone units or as an additional source of heat alongside your existing heating system, plus they’re compatible with solar thermal systems to offer further cost savings and environmental benefits. 

Many of Viessmann’s air source heat pumps feature natural cooling functions, which means they not only generate heat on cold days but also provide cool air for your home on hot days. What’s more, these heat pumps can be managed remotely via the ViCare app and Vitoconnect to allow you to control the efficiency and the comfort of your home when you’re on the go. 

Browse the range below to find out more about Viessmann’s Vitocal air source heat pumps. 

Viessmann Vitocal 100-A Air-to-Water Heat Pump

This space-saving monobloc unit is suitable for most applications in new build and renovation projects and can be purchased with an output of 6kW, 8kW, 10kW, 12kW, 14kW or 16kW. It has been designed exclusively for outdoor installation and is very quiet, thanks to its advanced acoustic design (AAD). The Vitocal 100-A also has an energy efficiency rating of A+++ and uses the environmentally friendly R32 refrigerant. Furthermore, it comes complete with a touchscreen control and a corrosion-resistant gold-plated heat exchanger. 

Viessmann Vitocal 200-A Air-to-Water Heat Pump

Available solely for heating or for heating and cooling, the Vitocal 200-A consists of an outdoor unit and an indoor wall-mounted unit, both of which are extremely quiet and can be installed almost anywhere. This air-to-water heat pump has an output of 4.2kW, 5.7kW, 7kW, 9.5kW, 10.3kW or 11.8kW and is compatible with existing heating systems, so it can be used as an additional heat source if you wish. It has an A+++ energy efficiency rating and an easy-to-use control unit, and can even be combined with solar panels for greater energy efficiency. 

Viessmann Vitocal 222-A Air-to-Water Heat Pump

The Vitocal 222-A comes with an outdoor unit and a separate indoor unit that are connected by pipes filled with water. There is no required minimum distance between the indoor and outdoor unit, and output options include 4.2kW, 6kW, 7.5kW, 12.6kW, 13.7kW and 14.3kW. This heat pump even comes equipped with a reversible circuit to provide cool air and an integrated 220-litre cylinder to give you a supply of hot water as and when you need it. 

Viessmann Vitocal 350-A Air-to-Water Heat Pump

Perfect for modernisations and suitable for indoor and outdoor installation, the Vitocal 350-A is a powerful air-to-water heat pump for heating and cooling to ensure a pleasant room temperature all year round. It’s a very quiet heat pump with a fan that has a low-speed setting to make it even quieter at night. You can use the Vitocal 350-A with an existing heating system with radiators and, if necessary, install up to five of these units in a simple cascade system. 

How much do Viessmann Air Source Heat Pumps Cost?

The overall cost depends on the air source heat pump you choose and its size, as well as the installer you get to carry out the installation work. Viessmann Vitocal air-to-water heat pumps are currently priced between £3,700 and £16,400, but these figures do not include the installation fees, so we recommend you get a quote from at least a few installers to find the best deal. 

The following table lets you compare the price of each product in the Viessmann Vitocal air-to-water heat pump range. 

VIESSMANN VITOCAL AIR SOURCE HEAT PUMPSSIZESPRICES
Viessmann Vitocal 100-A Air-to-Water Heat Pump6- 16kW£3,700 – £6,380
Viessmann Vitocal 200-A Air-to-Water Heat Pump – Heating Only4.2 – 11.8kW£5,780 – £9,835
Viessmann Vitocal 200-A Air-to-Water Heat Pump – Heating and Cooling4.2 – 11.8kW£6,080 – £9,990
Viessmann Vitocal 222-A Air-to-Water Heat Pump4.2 – 14.3kW£7,645 – £11,690
Viessmann Vitocal 350-A Air-to-Water Heat Pump – Indoor Unit10 – 20kW£13,170 – £16,400
Viessmann Vitocal 350-A Air-to-Water Heat Pump – Outdoor Unit10 – 20kW£13,700 – £16,945

Why Choose a Viessmann Air Source Heat Pump?

Reduce Your Carbon Footprint

A Viessmann Vitocal air source heat pump provides environmentally responsible heating by absorbing heat from the air and using it to increase the temperature inside your home. When you install an air source heat pump and use free air to heat your home and water instead of a gas or oil boiler, you can reduce your household’s energy use and lower your carbon footprint. 

Cheaper Energy Bills

If you’re currently using gas, oil or electricity to heat your home, a Viessmann air source heat pump can save you a significant amount of money on your energy bills each year. Your air source heat pump will require electricity to run but it uses only a small amount of electricity and gives you 3 times more heat for each 1kW of energy it uses.  

Generate Income through the RHI Scheme

One of the advantages of installing a Viessmann air source heat pump is that it could make you some money if you get it installed by an MCS accredited company and apply for the Domestic Renewable Heat Incentive (RHI). The RHI scheme was formed by the UK government to encourage homeowners to invest in renewable heat technologies and financially rewards people who generate heat via a renewable source. How much you receive depends on the air source heat pump installed, the current tariff and the amount of energy you generate. 

Super Quiet and Barely Audible

The Vitocal air source heat pumps are barely audible because they feature Viessmann’s Advanced Acoustic Design, which combines a sound-optimised fan to harmonise the acoustic frequency range with intelligent speed control to reduce airborne noise at full and partial load operation. 

Viessmann Air Source Heat Pump Reviews

Viessman has an ‘Excellent’ rating on the Trustpilot site based on more than 2,500 reviews. However, there is currently only one review from a customer who purchased an air source heat pump by the brand, so it’s hard to say what people think of them at this stage. 

Please note that the above Trustpilot score is correct at the time of writing in November 2021.

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