Commercial Gas Engineers

Experience a hassle-free and seamless commercial gas engineers process for large and small business premises.

Commercial Gas Engineers

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Call us on 01484 627 433 or leave your details below and our support team will get back to you.

  • Professional Engineers
  • Exceptional Service
  • Fast and Efficient
  • Gas Safe Registered

Gas Heating Engineers Commercial Gas Engineers

Our team of Commercial Gas Engineers has been handpicked from diverse backgrounds, ensuring a wealth of experience and expertise.

We have a diverse team of Engineers with different skill sets, ensuring that we always have a specialist available to help you. Our experienced professionals are qualified in their respective fields.


We have Commercial Gas Engineers:

To cover you in any eventuality, the most common issues with commercial gas appliances are:

Commercial Gas Boiler
Providing heat usually through radiators and underfloor heating to work and production areas.

Commercial Direct Fired Water Heaters
Where there is a high demand of hot water in Schools, Nursing Homes, Gyms etc, a direct fired hot water cylinder provides a high flow rate with quick recovery times. The most common brand is Andrews Water Heaters - however we install service and repair all brands.

Overhead Plaque Heaters / Radiant Tube Heaters / Warm Air units
These type of heaters are usually installed in warehouses or sports areas. They provide large areas with a heating solution. These types of appliances need a specialist to install, service and repair due to in depth regulations regarding installation and ventilation. 

Commercial Catering
Schools, Canteens, Takeaways and Restaurants all require an annual gas safety certificate by law. We can help with the installation, service and repair of all commercial catering equipment and commercial kitchen gas interlock systems. 

Commercial Laundry
Usually installed in Nursing homes and NHS sites, gas tumble driers offer an economical and efficient drying solution for large volumes of washing. As with all gas appliances they should be certified and serviced once a year. Vents can become filled with lint which pose a specific fire risk. 

Mobile Catering Trailers
Mobile catering gas certificates are required by law to operate and copies are often required to be produced when attending a public event. We can install, service and repair all catering LPG appliances. Please see ***This page*** for more information. 

Our Engineers are qualified to work on the following:

  • Direct Fired Appliances NG
  • First Fix Commercial Pipework LPG
  • First Fix Commercial Pipework NG
  • Indirect Fired Heating Appliances NG
  • Miscellaneous flued gas appliances
  • NON DOM Testing & Purging up to & over 1m³ NG
  • Overhead Plaque & Tube Heaters NG
  • Commercial Catering Fat & Pressure Fryers NG
  • Commercial Catering Pressure/Expansion Boilers NG
  • Commercial Catering Range Cookers NG
  • Mobile Catering Fryers LPG
  • Mobile Catering Inst Water Heaters LPG
  • Mobile Catering Range Cookers LPG Cookers NG
  • Mobile Catering Water Boilers LPG
  • Central Heating DOM NG
  • Combustion Performance Analysis NG
  • Cookers DOM NG
  • Extension to Existing Heating System
  • Fires/Space Heaters DOM NG
  • Flue Gas Heat Recovery Device
  • Flue Liners
  • Heating Controls Separate to Heating Appliance
  • Heating System
  • Hot Water System with Vented Hot Water Storage
  • Hot Water System Without Storage
  • Non-masonry flue
  • Pipework DOM NG (CORE)
  • Range Cookers DOM NG
  • Vented Cylinders
  • Waste Water Heat Recovery Device
  • Water Heaters DOM NG
  • Commercial Laundry Appliances LPG
  • Commercial Laundry Appliances NG

Commercial Kitchen Gas Engineers

We can provide commercial catering gas safety certificates as well as the installation, service, and repair of commercial kitchen appliances including gas interlocks and gas proving systems.

Commercial Heating Engineers

Our qualified Gas Engineers handle boilers, warm air units, radiant tube heaters, and commercial gas pipework.

We have Commercial, Domestic, and LPG qualified Gas Engineers. Additionally, we offer general plumbing and maintenance services.

Mobile Home and Caravan LPG Gas Safety Certificates

A static caravan, mobile home, or camper van with an LPG gas heating system should be serviced and certified annually. 

If the mobile home/caravan is to be let out, it becomes a legal requirement.

Union Plumbing Process Four Easy Steps


Fill out our booking form, and your Engineer's arrival will be confirmed for a specific day and time. No more waiting all day; your Engineer will call ahead when they're close by.


We specialize in converting traditional tank and cylinder systems to combis, with vast experience in fire back boiler conversions. Whether you need multiple zones, underfloor heating, unvented cylinders, or system boilers, we have the perfect heating solution for your commercial business.

Get Smart

Take control with the latest smart heating controls, including Hive, Nest, and other internet brands, giving you complete control over your heating system.

Choose Union Plumbing

Experience reliable, efficient, and affordable Gas Care Plans for your commercial building. Get in touch today, and let us take care of your heating and plumbing needs.

Why you Should Choose Union Plumbing

At Union Plumbing, our experienced team is dedicated and organised to deliver a valuable service with unmatched expertise and timely solutions. Our skilled technicians have the expertise to ensure all work is carried out with precision and efficiency. We believe in transparency within every aspect of our service, particularly when it comes to pricing. We prioritise open communication and provide our customers with clear, straightforward pricing. With Union Plumbing, there are no hidden fees or surprises – you'll know exactly what to expect from start to finish.

Wide Range of Boilers

At Union Plumbing, we take pride in offering a diverse selection of boilers to cater to varying needs and preferences. Our extensive range ensures that you can find the perfect boiler solution tailored to your specific requirements, whether it's energy efficiency, size, or specific features. With options to suit different budgets and preferences, choosing Union Plumbing guarantees you access to a comprehensive array of high-quality boilers.

Expert Advice

When you choose Union Plumbing, you're not just getting a product or service – you're gaining access to a team of knowledgeable experts. Our experienced professionals are committed to providing you with expert advice, guiding you through the decision-making process. Whether you have questions about boiler types, efficiency ratings, or maintenance tips, our team is here to ensure you make informed choices that align with your needs and budget.

Gas Safe Registered

Union Plumbing prioritises safety, and our Gas Safe Registered status underscores our commitment to delivering services that meet the highest safety standards. Our customers can trust that all our gas-related installations and repairs adhere to the strict regulations set by the Gas Safe Register. Choosing Union Plumbing means choosing a company with certified professionals, ensuring the safety and well-being of your premises.

Professional Installation

Opting for Union Plumbing guarantees a seamless and professional installation process. Our skilled technicians have the expertise to install boilers efficiently and effectively, ensuring optimal performance and longevity. We prioritise precision and attention to detail in every installation, giving you the confidence that your heating system will function at its best, providing comfort and reliability for years to come.

Transparent Pricing

Union Plumbing values transparency in every aspect of our service, especially when it comes to pricing. We believe in open communication and providing our customers with clear, straightforward pricing structures. There are no hidden fees or surprises – you'll know exactly what to expect. Choosing Union Plumbing means choosing a partner that values honesty and integrity, ensuring that you receive the best value for your investment without any unexpected costs.

Complete Boiler Solutions for Commercial Businesses

From installation and repairs to maintenance and upgrades, we provide complete boiler solutions that ensure efficient and reliable heating for your commercial premises. Explore our range of services to find the perfect solution for your business.