Infinitas Design

Renewable Energy System Design & Development



We provide professional engineering design expertise for commercial and industrial renewable energy system projects. Our key focus is on commercial and industrial biomass boilers and water source heat pumps using the ground, lakes, rivers and sewage heat recovery as heat sources. The design and specification of biomass CHP and other niche technologies is also offered along with district heating and cooling network design and development.

We exist to win the respect of customers by delivering high quality, innovative designs, drawings and models.
Customer satisfaction and attention to detail is at the heart of what we do


Fast, reliable and cost-efficient service


First class design expertise focused on your needs


Chartered Engineer with extensive experience


Expert advice on water source heat pumps and biomass boilers,district heat schemes and the RHI scheme.

    • General advice and support
    • Site surveys
    • Technical Feasibility Studies
    • Best Fit Technology Section
    • Non-Domestic Renewable Heat Incentive Applications

    • Concept and Detailed System Design
    • Plant Room Design
    • 2D Drawings and 3D Models
    • Technical Specifications for Tendering


Case Study – Shavington Stables

Problem – Stable conversion and what heating to use.

Date – August 2017


From initial concept to final design Infinitas Design can make sure that your project runs smoothly and you get the best system that will work for you.

In February 2016, Infinitas Design was approached by Mr and Mrs Heywood-Lonsdale to advise on the best heating system for a large stable block conversion in terms of cost and practicalities. Infinitas Design created an options appraisal document for the stable block, which was due to be converted in to a 9-bedroom, 8-bathroom domestic property with granny annexe in the beautiful Shropshire countryside. The options appraisal investigated the feasibility of a variety of heating options including biomass, air and ground source heat pumps, oil boilers and solar PV for power. Based on the site heat demand and location, the cost of fuel and the income from the Renewable Heat Incentive, the ground source heat pump system was deemed the best solution as it gave the best rate of return on investment over 20 years. Due to the presence of the granny annexe, it was possible to apply for the non-domestic RHI scheme, which provided a greater payback than the domestic scheme.

A few months after the options appraisal was completed and after confirmation that the properties were eligible for the non-domestic RHI, the decision was made to proceed with the heat pump solution. Infinitas Design was again engaged to undertake a full heat loss assessment of the property with information from the architects to accurately size the heat pump and make selections on hot water storage and buffering. The final design comprised of a 4km horizontal ground loop taking heat from the nearby paddock, 2 x 40kW Nibe ground source heat pumps, 2 x 500l hot water cylinders to ensure a constant supply of hot water to the various bathrooms and kitchens and a 500l buffer vessel.

We produced tender documents comprising technical specifications, drawings and schematics that enabled three separate suppliers to tender for the project, resulting in a fully designed and costed solution. Infinitas Design undertook the assessment of the tender responses, providing insight into specific costs and system efficiencies to help the client to make the best decision. The successful tenderer was Retherm Ltd, who are based in Trentham and are local to the Shavington site.

Infinitas Design was asked to oversee the installation of the heat pump and its ground loop to ensure compliance with both the design and the RHI scheme. We met with the heat pump installers, construction team and electricians to ensure that all parties were aware of dates and activities associated with the heat pump installation. This also meant we were on hand to provide help to the Heywood-Lonsdale family and to the project team as queries arose.

The ground loop is due to be installed mid-August 2017 and the plant room is due to be completed in September with heat-on early October. Infinitas Design will then undertake the RHI application and will follow this through to completion.

Mr Heywood- Lonsdale said: “Infinitas Design has been instrumental in finding the right system for our needs. Their expertise means that we have been able to get a heating system which will work for us. From initial investigations to design they have overseen the project and we are now looking forward to seeing it all up and running. Having someone who has been able to coordinate and know the process has made the whole project run smoothly.”

Large projects take careful planning and project management. With over 17 years of experience Infinitas Design can easily take away the strain of developing the scheme from initial concept, project designs, installation an

d coordination. It ensures a smooth transition and makes sure that you have a system that is working just as you need it to.

For more information on how we could help with your project please contact Infinitas Design on 07813 069940.


Shavington stables prior to work taking place







Non-Domestic Renewable Heat Incentive Applications

The non-domestic RHI is a government scheme intended to increase the uptake of renewable heat projects in the UK. It provides a tariff for heat generation from biomass boilers, heat pumps, biogas boilers and biomethane, which are known as eligible technologies.

The current and historic non-domestic RHI tariffs can be seen in the chart below. Once approved, the scheme pays out on a quarterly basis and payments are guaranteed for 20 years. You are paid on the amount of heat you produce each quarter.

As the scheme is quite technical, Infinitas Design Ltd can take on the application on your behalf. We will undertake every aspect of the application and will support you right through to application approval:

  • Site visit
  • Document collection & photos
  • RHI heat loss assessment (HLA)
  • RHI compliant schematic
  • Letter of Authorisation

  • Independent Metering Reports
  • Compliant heat meter advice
  • Application completion and submission
  • All Ofgem queries during approval process
  • Seasonal Performance Factor calculation for heat pump projects

We are also happy to pick up half-finished RHI applications or just one or two of the aspects above to help you get to RHI approval.


Laura Bishop created Infinitas Design to be able to do what she does best… using her design expertise and experience to help others find the right energy solution.

Laura Bishop -Renewable Energy Heat System Design Consultant Derbyshire

Laura has spent over 14 years’ working for blue chip companies including Bombardier Transportation, Rolls Royce Fuel Cell Systems, Babcock Intec and E.ON Connecting Energies. As a Chartered Mechanical Engineer with the IMechE and a BSc in Computer Aided Product Design, Laura has also completed a MSc in Renewable Energy Systems Technology.

With a passion for delivering green solutions, Laura has led a number of projects including; working on PV design for social housing, large scale ground source heat pumps for heating and cooling and developing the biomass boiler product which E.ON sold as part of its funded distributed heating solutions for commercial and industrial clients.

Laura is also experienced in leading research projects into the use of waste wood in smaller biomass boilers and the development of biomass CHP system. With an extensive network of contacts, Laura can deliver pricing and support information for a project of any size.

With a keen interest in the future of engineering, Laura plays an active role as a STEM ambassador and regularly goes into schools to encourage young people to consider a career in engineering.

Contact Laura at Infinitas Design for advice on your renewable energy solutions.


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07813 069940