Case Study: Air Source Heat Pump Installation

Installation Location: Reading, Berkshire

Here we showcase one of our trendy heat pump installations. Our client has taken full advantage of utilizing one of the most effective renewable energy heating solutions on the market today, the Air Source Heat Pump.

Furthermore, they have benefitted from a smooth end-to-end service undertaken by our specialist installation team. From the initial design and preparation, to full installation and commissioning. In addition to all this, our client has the comfort of a long 7 year warranty. As well as, the peace of mind which comes from the expert maintenance and aftercare services we provide.

Project Overview

To supply and fit the following Grant Aerona 3 Air Source Heat Pump and components. The design was supplied with full property heat loss calculations and Btu/kw values for all rooms in the property, ensuring the full compliance for MCS certification.


Air Source Heat Pump Installation Reading

Why Grant Air Source Heat Pumps?

Grant’s greenest and most efficient heat pump technology comes from the Aerona³ R32 air source heat pump range. The Aerona³ heat pump achieves high performances by using the more environmentally friendly R32 refrigerant, which effectively keep properties nice and warm.

Compact in size and highly efficient. The Aerona³ heat pumps provide homeowners with a renewable solution to fulfil their heating and hot water requirements. Subsequently, helping households to lower their dependency on fossil fuels and reducing energy bills.

Benefits of the Aerona Heat Pump
  • Each model operates at incredibly high efficiencies, even when cold outside
  • One of the most cost-effective renewable energy alternatives to traditional gas boilers
  • The units are stylish, compact and take up minimal space
  • The heat pumps operate with low noise levels
  • Simple and user-friendly
  • Range of Air Source Heat Pump available with outputs of 6kW, 10kW, 13kW and 17kW
  • 7 year guarantee when installed by a G1 Installer (yes, we are G1 installers)
You could also get a £5000 Grant. These Air Source Heat Pumps are MCS approved and eligible for the Boiler Upgrade Scheme



Quality Installation

Our design team allowed for all the associated pipework for the connection and fitting of the Grant external unit, cylinder, valves, pumps and volumiser/buffer tank. To supply and fit isolation for hot and cold supplies adjacent to the new cylinder. As well as all pipework to be lagged and clipped where required.

The external Grant unit was floor mounted. Furthermore, the base and drain was supplied and fitted by us.

The electrical mains supplies were provided and installed for the external unit, immersion heater and Grant control panel. A meter was fitted, which is to comply to MCS standards.

The client had Stelrad compact radiators installed, with centre thermostatic radiator valves and lockshield valves. All radiators were sized in accordance with the compliance certificate design. New radiators had been installed in similar locations to the existing radiators.

All Grant control wiring was carried out by us. The client had a new programmer, zone valves and room stats.

The Grant external unit was located as close as practical to the property and the existing heat source.

Upon completion, the system was commissioned, registered with MCS and building control compliance. Handover was performed with system controls induction.

As a Grant accredited installer, all Grant equipment comes with a 7 Year warranty.

The installation was completed as planned and the client is extremely satisfied with the design, install and service.


The Boiler Upgrade Scheme (BUS) is a government scheme to encourage homeowners to switch to renewable heating solutions, such as heat pumps and biomass boilers.


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