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UK manufacturer Kensa Heat Pumps has launched a new suite of online resources to help homeowners and self-builders find out how much a ground source heat pump costs, and identify the best system design for their project.

Using the newly launched resources within the Solution Centre on Kensa’s website, self-builders can view example ground source heat pump costs and typical system set ups, plus read real-life case studies and Kensa ground source heat pump reviews.

The new website sections also show how ground source heat pump costs can be offset by the  attractive income available through the Government’s Renewable Heat Incentive (RHI) scheme, in addition to the significant fuel cost savings delivered by the energy efficient and sustainable heating technology.

Calculating the return on your investment

Designed to encourage the adoption of renewable heating technology to help reduce the UK’s carbon emissions, the Renewable Heat Incentive (RHI) rewards customers with generous tariffs for the renewable heat that their ground source heat pump produces. The RHI’s purpose is to offset the additional upfront cost of installing a ground source heat pump, compared with poor efficiency fossil fuel systems, providing a long term rate of return and fast payback.

The Domestic Renewable Heat Incentive (RHI) is designed specifically for private self-builders and homeowners, and is suitable for both new build and retrofit projects. It provides guaranteed payments every three months over a period of seven years at a generous rate of 19.86p/kWh, a tariff which is only available for ground source heat pumps.

The Non-Domestic Renewable Heat Incentive (RHI) offers property owners a guaranteed quarterly income over a period of 20 years. As well as commercial projects, the Non-Domestic RHI can also be used in domestic retrofit and new build projects where district heating is utilised. Current tariffs offer payback of 9.1p/kWh on the first 1314 hours of eligible energy produced, followed by 2.7p/kWh on any additional heat produced.

Kensa’s online guide, ‘Which RHI is right for me’, helps self-builders to clarify which strand of the RHI scheme would suit their project.

Identifying which heat pump system is right for your project

Ground source heat pumps aren’t a ‘one size fits all’ technology. They can be used in a wide variety of different domestic and commercial scenarios, whether the project features one building or multiple buildings.

Below, Kensa outlines some typical ground source heat pump systems, along with their associated ground source heat pump costs.

Example ground source heat pump costs

Full cost breakdowns, featuring different ground array types, are available via www.kensaheatpumps.com/solution-centre/ground-source-heat-pump-costs/

One building (Standard single system)

For property renovators and self-builders looking to install heating system in one property, a single Kensa Evo ground source heat pump on one ground array is the perfect system set up. This configuration will be eligible for a guaranteed 7 year income through the Government’s Domestic Renewable Heat Incentive (RHI).

To see a case study featuring a standard single system, click here.

Multiple buildings (Micro district system)

Where there are multiple buildings on one site all requiring heating and hot water, a micro-district ground source heat pump system architecture can be utilised to provide a low cost and ultra-efficient heating solution. This type of system is commonly used by developers and social housing providers.

A micro-district ground source heat pump system features individual heat pumps in each dwelling, all fed from the same central ground array, which is sized to deal with the peak heat demand of all the dwellings combined.

As each dwelling features its own individual Evo ground source heat pump, the occupier has complete control of their own heating and hot water system. And because heat is produced by the individual heat pump inside each dwelling, there are no external heat losses which makes this system not only versatile but also energy efficient.

To see a case study featuring a micro district system, click here.

Commercial building (Cascaded system)

Kensa Heat Pumps manufacture ground source heat pumps up to 75kW to suit a variety of large-scale applications. If a premises has a high demand for heating and hot water exceeding 75kW, an effective solution is to link a number of Kensa’s ground source heat pumps together in a modular cascaded system, fed by a central ground array.

The cascaded system design can flex between periods of minimum and maximum heat demand; for example during the spring and summer when the need for heat is lower, only one heat pump need be in operation, with subsequent heat pumps coming into operation as the heating season progresses.

Another benefit of the system design is that, depending on the heat pump selection, it can be configured to provide 60°C hot water at the same time without the need for an additional immersion heater.

To see a case study featuring a cascaded system, click here.

Kensa Heat Pumps has been designing and manufacturing ground source heat pumps for self-builders in the UK since 1999.

The British manufacturer supplies more ground source heat pumps in the UK than any other, making Kensa the preferred choice for the British home (Source: BSRIA 2017).

  • Simple to install products
  • Supported by UK technical support
  • Network of approved installers
  • Largest ground source resource at kensaheatpumps.com

With the largest ground source heat pump range in the UK, Kensa delivers high-quality installations that provide efficient heating and hot water for thousands of homes, generating 7 years income through the Renewable Heat Incentive (RHI).