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Holland & Johnston LTD

Na h-Eileanan Siar

MCS Certified

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Technologies

Solar PV

Reviews

5.0(53 Google reviews)

What customers say on

5/5

A five star experience from start to finish with Holland & Johnston during the installation of our solar panels and battery. Greatly impressed by their independent advice, their cost-effectiveness, their excellent workmanship and their real commitment to renewables. They’ve made a complicated process appear simple. At every stage it’s been a pleasure to do business with such a professional, personable and enthusiastic team. We’re now generating our own electricity and will soon be exporting it too, doing our own small part for the future of our planet. We’re very pleased to have achieved this with the support of such a forward thinking Sussex company and wish them every success for the future.

lynnhanna0811 Feb 2026
5/5

We had the team install our solar a couple of years ago. They were very professional and they kept everything very tidy. The solar has worked perfectly ever since. We have just made use of their solar service package and were very pleased with work. I would highly recommend this company for any electrical or renewable installations.

Dan Sanger19 Feb 2026
5/5

I'm 70 and have employed many workmen over the years, and Holland and Johnston are leagues ahead of any that I've employed. Almost got snagged by So Energy and other energy provider's insallation deals....so glad I was recommended H&J instead. EVERY member of the team from Phil's inital survey to scaffolders and esp. Charlie and Mark installers were 5-star

Carol Alexander10 Feb 2026
5/5

We are completely off grid and have been for a few years but had no idea how much our system could do until we found Holland and Johnston. The service they have provided us has been exceptional and they really go above and beyond to help. We are now fully set up with all the technical capabilities of our system in full use. I am so glad we can now relax knowing our system is in their hands and we have their technical support. I just wish we had found them sooner and not had to use one of their competitors! I highly recommend this business.

Beck Wigmore25 Nov 2025
5/5

Exceptional Off-Grid Electrics for My Horsebox Truck - Holland & Johnston Exceeded Expectations! I recently had Holland & Johnston Ltd install a complete off-grid electrical system in my horsebox truck conversion, and I couldn't be happier with the results. Their expertise in vehicle electrification was evident from start to finish, as the electrical requirements were quite complex. They demonstrated extensive knowledge in renewable energy and off-grid solutions throughout the entire process. The Project & The Outcome The project involved installing a complete solar system, a leisure battery bank, an inverter, and both 240V and 12V circuits. This setup now provides reliable and sustained power for all appliances, lights, and the water pump, which is essential for traveling and staying off-grid. At each stage, the team took the time to understand my needs and offered valuable practical solutions. Key Strengths 🛠️ Quality of Workmanship: The installation is extremely neat, safe, and professional. For example, the wiring within the service cupboard is perfectly labeled and terminated. They clearly adhere to the highest standards, instilling full confidence in the system's long-term reliability. 💡 Off-Grid Expertise: Their expertise in off-grid systems is exceptional. They didn't just install a basic setup; they designed a custom system tailored to my actual power usage. 🤝 Professionalism & Communication: From the initial quote to the final handover, the team was courteous, professional, and reliable, keeping me updated on the progress. ✅ Safety & Certification:Ensuring that the electrical systems in a vehicle conversion are fully compliant and safe is essential. Holland & Johnston provided all the necessary NICEIC certification, which gave me complete peace of mind. Overall Recommendation If you're in search of a dependable and skilled electrician for a complex project, particularly an off-grid setup in a vehicle such as a horsebox, campervan, or motorhome, I highly recommend Holland & Johnston Ltd. They provided an exceptional, high-quality, and durable electrical system that perfectly meets the demanding requirements of my horsebox truck.

Scott Henery2 Dec 2025
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