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Updated: May 20, 2024

What is a commercial gas engineer?

A commercial gas engineer is a specialist who focuses on installing, maintaining, repairing, and servicing gas systems and appliances in commercial and industrial environments. Their role entails ensuring the safe and effective functioning of a variety of gas-powered equipment, such as boilers, heating systems, commercial kitchen appliances, water heaters, and other related systems.

Trustworthy Commercial gas engineer in Cardiff

Our Commercial Gas Engineers in Cardiff are known for their trustworthiness and reliability. We take pride in tailoring our services to meet the needs of each customer. Our goal is to deliver a service that aligns perfectly with our clients’ requirements. If you’re seeking a qualified commercial gas engineer in Cardiff, you’ve come to the right place.

We adopt a straightforward and efficient approach in our services. Transparency is key to us, as we provide clear pricing without any hidden fees. Moreover, our competitive prices ensure affordability for our customers.

Building lasting relationships with our clients is our priority. Therefore, we maintain the highest standards in our work, utilizing cutting-edge equipment and advanced technology to deliver exceptional results.

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Experienced and accredited commercial gas services offered by letsheat in Cardiff

letsheat provides gas solutions for both small and large businesses. Our services extend to providing a number of ongoing services for both large and complex industrial businesses, minor jobs for offices or retail developments. Our engineers are gas safe registered and work to ensure efficiency and high standards.

We provide a large scope of solutions to a range of different businesses:

● Commercial gas pipework and installation

● Bespoke gas installations

● Commercial kitchen pipework

● Emergency gas repairs

● Test, purge and decommissioning

● Hospitality, Industrial, Utility, Commercial pipework

● Commercial gas certification (CP15, CP16, CP42)

● Installations of warm air heating

● Installation and servicing of gas boosters

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Commercial Gas Installation in Cardiff

Let’s Heat offers gas solutions tailored for businesses of all sizes, ranging from small enterprises to large industrial complexes. Our services encompass ongoing maintenance for complex industrial businesses as well

as minor tasks for office spaces or retail developments. Our engineers are Gas Safe registered and dedicated to delivering efficiency and upholding high standards.

Modular Boilers

Our team of experts provide installation of modular boilers and pipework as well for both natural gas systems and LPG. For non-domestic and business buildings, a modular boiler system is the most efficient choice. Modular boilers are a very efficient approach to commercial heating.

Our approach has always been to provide excellent services and to support our customers the best we can. We inspect and deliver a tailored solution that supports your business requirements. Our services extend to some of the most complex and critical places and environments in both the private and the public sector.

Plant Room Services

Here at letsheat we understand the co-ordination and the complexity which are needed to create a plant room.

Lab and Specialist Environment Facilities Management

From universities and institutes to commercial industries and private companies, we have the ability to plan and install laboratories.

Our prices are competitive and our services are carried out to the highest standards. Our engineers are experienced and knowledgeable about laboratory instruments and gas systems as well.

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Commercial Gas Engineers in Cardiff

After completing installations, we conduct thorough tests to ensure there are no leaks of any kind.

Commercial & Industrial Pipework

Our pipework services include:

● Testing of industrial gas pipework

● Commissioning of industrial gas pipework

● Certification of industrial gas pipework

● Fabrication of industrial and commercial gas pipework

● Installation of industrial and commercial gas pipework

● Commercial pipework installation in screwed steel, welded steel, stainless steel and MDPE gas systems as well.

● Both design and specification of pipe sizing

● Emergency commercial gas pipework repair

● Commercial pipework installation and commissioning

● Factory heating installers

● MDPE underground LPG or natural gas pipework systems

● Solenoid gas valve and panel installation and repair

LPG Pipework

If you are looking for commissioning and installing your LPG pipework, then look no further than Lets Heat. We carry out pipework installations or modifications for different industrial establishments. We

use the latest and the most advanced equipment. What is more, our staff are skilled and can ensure that your system is working flawlessly.

Industrial Pipework

LetsHeat offers comprehensive industrial and commercial gas services nationwide. Our team of engineers is committed and reliable, prioritizing safety and efficiency with their extensive experience in the field. We handle various tasks and projects, working with diverse materials and situations.

Our services include repairing damaged gas pipework, conducting testing, modifications, and purging of systems. Additionally, we provide emergency services to promptly address issues such as damaged commercial gas pipework, solenoid valves, panel replacements, and leak tracing.

We supply industrial and commercial pipework to a range of establishments, including colleges, schools, medical facilities, and research and development facilities. Our process involves delivering the pipework to your site, completing the job, and conducting thorough testing before leaving the premises.

Our skilled and experienced welders are able to work with different types of pipework such as stainless steel, carbon steel and Mdpe welds. Our service extend to include the following:

● Pipe sizing

● Cast ironing of carbon steel/ stainless steel/MDPE/ Cast Iron

● Emergency call out for gas pipework work repair

● Offsite Pre fabricated pipework

● High level remote access of welded pipework

● Onsite fabrication with method statement and risk assessment as well

● Coded welders

Emergency Gas repairs

Our team of engineers are available 24/7 to carry out emergency call outs. They have the ability to undertake all repairs. They work fast and with the highest efficiency possible. We try to cause little to no disruption. Your place will be kept clean and tidy.

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Commercial Gas Engineers in Cardiff

Commercial Catering in Cardiff

At LetsHeat, our team of engineers specializes in installing and fitting complete commercial kitchen pipework manifold systems on your property.

We provide an extensive range of commercial gas services, including pipework installation, repairs, solenoid valves, emergency control panels, annual certification, and replacement of pipework and catering hoses. Our services extend to hotels, colleges, schools, and various other establishments.

Our pipework installations always meet the safety standards. This includes the correct sizing of pipework and the tests that will be carried out and the purging of your system.


When it comes to kitchen ventilation and extraction, then Lets Heat is here to help. Our kitchen services include installation, both service and maintenance of your kitchen ventilation and extraction.


We offer the following certification:

  • CP17
  • Testing and purging
  • CP42

Commercial safety inspection,


We carry out commercial testing and purging in order to ensure a safe working environment for your employees and safe place for your customers.


Lets Heat offers a large number of kitchen services. These include:

  • Installing Pipework
  • Commercial catering range cookers
  • Mobile catering range cookers
  • Expansion boilers
  • Mobile catering instant water heaters

A gas solenoid valve is used in order to control the flow of liquids or gases in a positive, fully-closed or fully-opened mode as well. Our team is fully skilled in fitting and maintaining a gas solenoid valve.

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A gas interlock system monitors the ventilation system’s extraction and incoming air. In case of failure, it automatically shuts off the gas supply to ensure safety and prevent harmful emissions. Our Gas Safe engineers can install and fit a gas interlock system that complies with standard regulations.

Testing & Purging

Gas Test & Purge

The purpose of doing a purge is to remove the hazardous gas from the line. This process is carried out by injecting an inert gas into the pipe. The inert gas will be mixed with the existing gas in the pipework. The aim of this procedure is to stop the danger of a combustible mixture which can cause harm to your employees.

Tightness Testing

In order to ensure that your gas pipework and installations are in a good condition and can be used safely a tightness test is carried out on existing pipework. The test will make sure that there is no loss in pressure in your system.

It is advisable that all gas pipes are to be tested and inspected on an annual basis. This is often the requirement of your building insurance.

The services we offer:

  • Tightness testing.
  • Direct purging.
  • Indirect purging.
  • Strength testing.
  • Issuing of certification for compliance purposes.
  • Decommissioning.
  • Commercial Gas Certificates
Commercial Gas Engineers in Cardiff

CP42 Commercial Gas Safety Inspection (Non-Domestic)

A safe gas engineer can issue this certificate annually to cover all the installation and appliances in your kitchen. The carried out inspection will include all gas appliances, pipework, extraction systems as well as gas interlock systems.

CP16 Testing and Purging

A CP16 testing and purging certificate can be issued by Lets Heat gas safe engineers. Your entire kitchen must be inspected to ensure the safety of your kitchen.

Maintenance Contracts CP15 Gas Commissioning / Service Record

This certificate can also be issued by one of our experienced gas safe engineers. It is issued annually to ensure that your kitchen is safe to be used.

Mobile Catering Vehicle Safety Check

This check must be carried out on mobile catering vehicles to ensure their safety. The gas equipment in these vehicles must be installed, commissioned and also maintained by a gas safe engineer. Get in touch with Lets Heat to hire our services.

Gas Commissioning / Servicing Record

Without a doubt, Lets Heat can help you maintain your commercial kitchen by carrying out the necessary inspection.

What Are Common Issues With Commercial Heating Systems?

Commercial heating systems can experience various issues that can disrupt their operation and affect the comfort and efficiency of a commercial space. Some common problems with commercial heating systems include:

Lack of heat:

The most obvious issue is when the system fails to produce sufficient heat or stops working entirely. This can be caused by a malfunctioning thermostat, a faulty ignition system, a broken heating element, or a problem with the fuel supply.

Uneven heating:

Uneven distribution of heat throughout the building is a common problem. It can be caused by improper ductwork design, blocked or closed vents, or a malfunctioning zoning system that fails to regulate temperature properly in different areas.

Poor air quality:

Commercial heating systems can accumulate dust, dirt, and other pollutants over time, leading to poor indoor air quality. This can cause discomfort, allergies, and respiratory issues among occupants. Regular maintenance, including cleaning or replacing filters, is essential to ensure good air quality.

Noisy operation:

Unusual noises, such as humming, rattling, or banging, can indicate problems with the heating system. These noises may be caused by loose components, faulty motors, air duct issues, or worn-out parts. Timely inspection and repair can prevent further damage.

Cycling problems:

Rapid or frequent cycling of the heating system, where it turns on and off frequently, can indicate a problem. This may be caused by issues with the thermostat, improper system sizing, or a malfunctioning component such as a faulty limit switch or heat exchanger.

What qualifications should a Commercial Gas Engineer have?

Gas Safe registration:

In many countries, including the United Kingdom, commercial gas engineers must be registered with Gas Safe or an equivalent regulatory body. Gas Safe registration ensures that the engineer has undergone the necessary training and assessments to work safely and legally with gas appliances and installations.

Relevant certifications:

Commercial gas engineers should hold relevant certifications that demonstrate their competence in working with commercial gas systems. These certifications may vary depending on the country or region, but examples include ACS (Accredited Certification Scheme) qualifications, such as the Commercial Catering Core and Commercial Heating qualifications.

HVAC qualifications:

A solid understanding of heating, ventilation, and air conditioning (HVAC) systems is essential for a commercial gas engineer. Qualifications in HVAC engineering or related fields provide knowledge of system design, installation, maintenance, and troubleshooting.

Industry experience:

Practical experience in the field is invaluable for a commercial gas engineer. It helps develop problem-solving skills, familiarity with different types of equipment, and expertise in diagnosing and repairing issues specific to commercial heating systems.

Health and safety certifications:

Commercial gas engineers should possess relevant health and safety certifications to ensure they can work safely in commercial environments. This may include certifications such as the Construction Skills Certification Scheme (CSCS) card or equivalent, which demonstrates knowledge of health and safety practices in the construction industry.

Continuous professional development (CPD):

A commitment to ongoing learning and professional development is crucial for a commercial gas engineer. Staying updated with the latest industry standards, regulations, and technological advancements ensures their skills remain current and enables them to provide the best service to clients.

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Can a heating engineer fix a boiler?

Boiler repairs involve gas work, which means only a Gas Safe registered engineer is legally permitted to work on a gas boiler. The key distinction between a plumber and a heating engineer is that traditional plumbers are not required to hold any Gas Safe qualifications.

Is it worth repairing an old boiler?

If your boiler is older than 10 years, we advise considering a replacement rather than a repair. Older boilers may be less efficient and more prone to breakdowns, making a replacement a more cost-effective and reliable option in the long run. However, if you hear a familiar tapping sound and your boiler is under 10 years old, it might indicate a blockage or a specific issue that can be addressed through repair. In such cases, we recommend consulting a local engineer who specializes in boiler repairs to inspect the boiler, diagnose the problem, and provide appropriate solutions. They will have the expertise to determine whether a repair is feasible or if a replacement is the better course of action.

How long does it take a gas engineer to service a boiler?

It is generally recommended that a gas boiler service and check should take around 60 minutes when performed by a qualified Gas Safe registered engineer. During this time, the engineer will conduct a thorough inspection of the boiler to ensure it is operating safely and efficiently. They will clean and inspect various components, check for any leaks or faults, test the boiler’s performance, and make any necessary adjustments. The duration of the service may vary depending on the specific boiler model, its condition, and any potential issues that may need attention. However, 60 minutes is a typical timeframe for a comprehensive boiler service.