Our Services

At Nationwide Mechanical, we deliver reliable mechanical, heating and building services for domestic, commercial and industrial clients across the UK. Our experienced team provides expert HVAC, plumbing and maintenance solutions focused on safety, efficiency and long-term performance.

  • We manage and deliver complete mechanical and HVAC installations for projects of any size. From design and planning through to commissioning, our engineers ensure every system meets the highest standards of efficiency, safety and compliance. Whether it’s a new build, plant upgrade or full system replacement, we provide tailored solutions built to last.

  • Our certified engineers carry out professional testing, servicing and certification for gas, oil and LPG appliances. We ensure your systems run safely and efficiently while meeting all relevant legal and environmental standards.

  • We offer a full range of water hygiene services to protect your systems from contamination and ensure compliance with health regulations. Our team provides tank cleaning, disinfection, chlorination and ongoing maintenance to maintain safe water quality across all facilities.Description text goes here

  • We supply and install high-quality water storage tanks suited for both domestic and commercial use. Our replacement service includes full removal, installation and testing to ensure long-term reliability and compliance with current standards.

  • From domestic boilers to large commercial plant rooms, we handle installation, upgrades and replacements for all types of heating systems. Our engineers deliver efficient, safe and cost-effective solutions tailored to your specific heating demands.

  • Nationwide Mechanical provides fully compliant WRAS-approved installations, inspections and reporting. We help ensure your water systems meet all regulations and maintain certification for both safety and quality assurance.

  • We design, install and maintain booster sets and pumping systems for a wide range of building applications. Our solutions improve water pressure, reliability and system performance while minimising energy use and downtime.

  • Our team specialises in precision pipework fabrication, installation and welding for mechanical, heating and industrial systems. Every job is completed with accuracy, safety and durability in mind.

  • Nationwide Mechanical is pleased to introduce advanced thermal imaging leak detection technology as part of our service offering. This innovative capability enables our engineers to accurately locate leaks through up to six inches of concrete, drastically reducing the time, cost and disruption associated with traditional detection methods such as excavation or structural alterations. By tracing the exact path of water and pinpointing the source with precision, our technology allows for faster diagnostics, targeted repairs and minimal impact on your property or operations.

  • We offer a fast and dependable emergency response service for urgent repairs and system failures. Our engineers are available when you need them most to restore full operation and prevent downtime.

  • Our planned maintenance programmes keep your systems running at peak performance and help avoid costly breakdowns. We tailor each schedule to suit your site, system type and operational needs, ensuring compliance and reliability year-round.

  • Nationwide Mechanical works across all sectors, providing flexible service packages for homes, businesses and large industrial facilities. Whatever the scale, our focus remains the same: quality workmanship, safety and dependable support.

Water heater system with multiple white tanks, pipes, and valves in a utility room with brick walls.
Thermal imaging scan of pipes and valves in an industrial setting taken using a handheld thermal camera.