Boiler Servicing and Repairs

Ness Engineering provides expert boiler installation, servicing and repairs across Shetland—specialising in oil-fired systems and backed by OFTEC and Grant G1+ certification.

At Ness Engineering, we install, maintain and repair domestic and commercial boiler systems across Shetland, with a focus on safe, reliable performance and long-term efficiency. Our engineers are fully OFTEC registered and trained to work with a wide range of oil-fired heating systems, including Grant UK boilers—where we hold official G1+ Installer status, giving our customers access to extended warranties and trusted expertise.

With decades of experience in heating installations, our team also commissions and services Hoval UltraOil systems and provides routine maintenance and callouts for all major boiler brands. Whether you’re looking to upgrade an outdated system, build a new plant room, or simply stay compliant with annual servicing, we bring the right mix of certification, hands-on experience and attention to detail.

We also carry out oil tank installations, flue systems, fuel line works, control panel upgrades, and heating system diagnostics. All work is delivered by our in-house mechanical team, trained in confined space entry, high-level access (IPAF and PASMA), and supported by our stocked stores and rapid-response maintenance service.

With Ness Engineering, you can count on clear advice, professional workmanship, and fast support—no matter where you are in Shetland. If your boiler system needs servicing, upgrading or replacing, we’re ready to help.