IEC Heat Solutions is part of a family-owned farming business, Wilson Farming, with more than 40 years of experience working with the agriculture sector

Wilson Farming created IEC Heat Solutions, as part of International Energy Crops Ltd (IEC) in 2010, after installing their on-farm renewable heating and recognising the benefits that similar projects could have for a range of agricultural and commercial businesses.

IEC Heat Solutions are now leading designers, suppliers and installers of bespoke biomass and ground source heating systems to agricultural and commercial businesses across England and Wales.

Our in-house design capability means that every project is tailor-made to meet the specific needs of an individual farm or company, whatever its size. IEC have the experience and industry knowledge to identify the best heating solutions for each customer.

IEC has a large customer base within the poultry sector, providing renewable heating for various drying facilities and delivering installations for glasshouses and other farm structures and public buildings. We are renowned for our unbeatable aftercare, and our experienced engineers are always on hand to ensure that your system is running to maximum efficiency and reliability.


Since 2010, we have designed and installed over 250 biomass systems across England and Wales, specialising in medium and large 500kW- 10mW biomass heating installations.

Ground Source:

With industry changes in fuel supply and prices, planning and permit restrictions and more diverse business models for many customers, IEC can commission bespoke Ground Source Heat Pump (GSHP) projects. We specialise in innovative engineering designs which work with existing site operations to provide a bespoke system with an efficiency that more standard installations cannot match.

Contact us today to discuss the best Heat Solution for your business.

Poultry farm Herefordshire

Manager / Poultry farm Herefordshire

We had a full turnkey biomass heating package from IEC Heat Solutions into six existing poultry houses. From the installation engineers to the surveyor, they were most helpful and your installation team got the job done very efficiently. The electrician explained what was going to happen on the day and was able to answer any questions I had. The 995kW Linka boiler with a multi fuel feeding system is working at top efficiency.

Richard Williams

Owner / Lyonshall

I was thoroughly impressed with the IEC team’s obvious knowledge and their attention to detail throughout. It’s also reassuring to know that they are still on hand 24/7, should I ever need them.



IEC Heat Solutions’ commitment is unbelievable and they are very professional from start to finish. I love working with them: they can’t do enough to help. The whole package, everything about boilers, has been first rate. IEC is a real can do company and I know Keith would not tolerate second best.

Farm Owner

Manager / Hertfordshire

As arable farmers, we chose IEC because of their demonstrable experience and passion in making straw work as a biomass fuel. It’s early days but we are very confident this has been the right decision. The team has been extremely committed, working long hours to meet tight deadlines. The service engineers have been brilliant in ensuring that everything continues to work well and that our team is confident in operating all of the biomass equipment. We’re pleased with our multi-fuel feed system, which can take Hesston bales or woodchip.

Andrew Davies

Manager / Herefordshire

I chose IEC because of their ability to engineer systems which suit the needs of different customers, as no two farms are ever the same. The commitment from all the team is unbelievable. They can’t do enough to help you. I wouldn’t hesitate to recommend them to anybody.

George Rees

Owner / Hampshire

I’m delighted with how everything has gone and the system has lived up to all expectations. Everyone at IEC has been excellent throughout. They are very professional company to work with and, because they are farmers themselves, they are all on the same wavelength as me. I’d happily recommend them to others.