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45 Years
experience
Trusted Solar Panel Installation and Renewable Energy Solutions in Leeds
Established in 1981, Sunuser has built a reputation as a trusted provider of renewable energy solutions across the UK. Our expertise spans solar photovoltaic (PV) systems, solar thermal water heating, and advanced water softening technologies, serving both domestic and commercial clients. With over 40 years of operational history, we have installed more than 50,000 solar panels, demonstrating our commitment to quality and innovation. Our team includes highly trained technical professionals who ensure every installation meets the highest standards of performance and durability. We hold industry accreditations such as MCS certification and adhere to the Renewable Energy Consumer Code, reflecting our dedication to customer satisfaction and compliance with rigorous technical and ethical standards.

Our solar PV systems come with a 25-year performance warranty, while solar thermal installations benefit from a 10-year manufacturer warranty, underscoring our confidence in product longevity. We also offer comprehensive aftercare support, including servicing and RHI upgrade options, ensuring clients maximise their investment. Recognised with awards like the Energy and Mining Awards 2017 for Excellence in Solar Panel Installation Services, we combine technical expertise with a customer-centric approach to deliver reliable, sustainable energy solutions tailored to individual property needs.
Services
Solar PV Solar Thermal Water Softener RHI Upgrade Battery Storage
Details
  • Year established: 1981
Highlights and features
  • We have over 40 years of experience in solar energy installations.
  • Our MCS-accredited systems meet strict industry standards.
  • 25-year performance warranty on solar PV modules.
  • 2-year guarantee on all solar installation workmanship.
  • Award-winning customer service with 100% satisfaction ratings.
Associations and certifications
  • MCS (Microgeneration Certification Scheme)
  • RECC (Renewable Energy Consumer Code)
What people say
Professional and efficient No problems with services Excellent installation process Highly recommend Improved efficiency
Services
Solar PV
Our solar PV systems generate clean electricity using A-grade silicon modules, reducing energy bills and carbon footprints. Designed for durability, they include a 25-year performance warranty and a 2-year installation guarantee. Systems integrate seamlessly with battery storage and Smart Export Guarantee schemes, enabling homeowners to sell surplus electricity back to the grid while maximising daytime energy use.
Solar Thermal
Solar thermal systems provide sustainable hot water using high-performance collectors, with a 10-year manufacturer warranty. Ideal for UK climates, they reduce reliance on traditional heating and qualify for RHI payments when upgraded to MCS standards. Our installations include servicing options and frost protection, ensuring efficiency and longevity across decades of use.
Water Softener
The Sunuser Twin Water Softener eliminates limescale using twin-cylinder technology, improving appliance efficiency and water quality. Backed by a 10-year parts warranty and 1-year product guarantee, it requires no servicing and lasts up to 20 years. Customers report reduced energy costs and improved skin conditions due to softened water.
RHI Upgrade
Upgrade existing solar thermal systems to qualify for RHI payments, earning tax-free income for seven years. Our MCS-certified upgrades meet government standards, ensuring compliance and long-term financial benefits. This service extends the lifespan and profitability of older installations while supporting sustainable energy goals.
Battery Storage
Battery storage solutions like Tesla Powerwall store surplus solar energy for nighttime use or grid outages. These systems enhance energy independence, reduce reliance on utility providers, and optimise solar efficiency. With smart monitoring apps and compact designs, they integrate seamlessly into residential properties for reliable, sustainable power management.
Questions
What solar services does Sunuser offer?
We provide solar PV for electricity, solar thermal for hot water, RHI upgrades, battery storage, and water softeners, all tailored to UK properties.
Are Sunuser's installations MCS-certified?
Yes, we have been MCS-accredited since 2010, ensuring compliance with industry standards for quality and performance.
What warranties are included?
Solar PV modules have a 25-year performance warranty, thermal systems a 10-year warranty, and installations a 2-year guarantee.
Can I upgrade my existing solar system?
Yes, we offer RHI upgrades for older thermal systems to qualify for government payments and improved efficiency.
Do you service both domestic and commercial properties?
Yes, we install and service solar systems for homes and businesses nationwide.
How do water softeners benefit households?
They reduce limescale, lower energy bills, and improve water quality, with systems lasting up to 20 years without servicing.