Commercial boiler servicing and heating maintenance, planned around your operations.
Planned servicing and maintenance of commercial boilers, heating systems and plant for commercial and industrial properties — scoped around your equipment, scheduled around your operations and documented for your records. ComGas covers commercial heating and boiler maintenance across Surrey and surrounding counties from our Farnham base.
Commercial boilers and heating systems maintained before they become a problem.
An unplanned commercial boiler failure — at a school in January, a hotel mid-occupancy or a factory at operating temperature — is disruptive and avoidable. A structured servicing programme, built around the specific equipment in your building and your operating calendar, reduces that risk and creates a documented maintenance history that supports those responsible for the premises.
ComGas carries out planned commercial boiler servicing and heating system maintenance for a range of commercial and industrial customers. Servicing visits are documented; where additional maintenance or remedial work is identified, findings are explained clearly and any further work is separately scoped and quoted before anything is authorised.
ComGas Services UK Ltd Commercial boiler and heating maintenance from Farnham, Surrey.
Commercial heating maintenance services
Boiler servicing, heating maintenance and plant support for commercial sites.
From a single boiler service to a full programme covering heating distribution, plant rooms and hot water systems, ComGas can agree the right scope for your site and operational requirements.
Commercial Boiler Servicing
Planned servicing of commercial boilers to maintain efficiency, performance and an up-to-date service history.
Servicing visits scoped around the equipment and the building's calendar.
Commercial boilers vary in age, configuration and the demands placed on them. Before agreeing a servicing frequency, we consider the equipment, manufacturer guidance and how the building operates — so the programme is built around the actual asset rather than a standard interval.
Servicing visits are documented. Where additional maintenance or remedial work is identified, findings are explained, the priority is assessed and any further work is separately discussed and priced before it is authorised.
Boiler inspection and servicing visits
Safety device and controls checks
Performance observations and condition notes
Written service record on completion
Remedial work separately scoped and quoted
Co-ordination with wider heating and plant maintenance
Maintenance visits documented, records available to review.
A documented maintenance history supports compliance responsibilities, helps identify patterns of deterioration and provides a clear record for building managers, insurers and tenants. ComGas provides a service record relevant to the work undertaken after each planned visit. Where specific gas certification documentation is applicable to a job, this is confirmed and agreed before work begins rather than assumed as a standard inclusion.
Service record issued after each visit
Findings and condition observations documented
Remedial priorities clearly explained
Gas certification documentation confirmed in advance where applicable
Customer Portal access for relevant service information
Records available to support compliance and insurance requirements
Portal access is for existing ComGas customers. Gas certification documentation is issued where applicable to the specific work and equipment type; the requirement is confirmed before work begins. ComGas does not issue certification as a routine inclusion in every boiler servicing visit.
Who we work with
Commercial boiler and heating maintenance across the sectors we serve.
Feedback from commercial heating and boiler maintenance clients.
Genuine reviews from ComGas customers submitted through Google.
Posted on Google
Nick
3 September 2026
Trustindex verifies that the original source of the review is Google.
Matt from ComGas Services UK Ltd was very professional, polite, friendly and quick installing a new shower in my bath (and at a better height for me) and a much easier press-in plug for my sink! He left the place spotless. This is the kind of service and installation people dream about - a 5 star service (see photos).
Posted on Google
Laura Peters
17 August 2026
Trustindex verifies that the original source of the review is Google.
I have used Comgas twice and both times have been very happy with the service. Very friendly and honest. The most recent time, the job turned out to be a lot bigger than they initially thought but it was no issue and Paul stayed the extra time to make sure the job was done properly! He was really tidy, took a lot of care with the work that was done and took the time to explain what he was doing and why. Pleased to have found a reliable heating company!
Posted on Google
James Ross
8 August 2026
Trustindex verifies that the original source of the review is Google.
I had an issue with my boiler and Matt came out to have a look the same day and managed to fix it. Great, professional service. Highly recommend.
Posted on Google
Ian Chevalier
11 June 2026
Trustindex verifies that the original source of the review is Google.
First time we've used this company and it won't be the last. Very professional and efficient in everything they do and Matt was excellent in his knowledge and efficiency when dealing with our gas and plumbing problems.
Posted on Google
Karen Flackett
20 May 2026
Trustindex verifies that the original source of the review is Google.
Excellent service. Matt came & fitted 2 taps & waste pipes he was polite & friendly & carried out the work efficiently & in a timely manner.
Posted on Google
Paul Norris
30 April 2026
Trustindex verifies that the original source of the review is Google.
Fantastic experience from the chaps at ComGas! Special thanks to Matt who removed an old boiler and replaced with a new energy efficient to satisfy the demands of a five bed house with a few bathrooms/baths and showers. The ComGas admin team and Lee were fantastic too on the booking and administration side of things!
Posted on Google
Julie Galvin
21 April 2026
Trustindex verifies that the original source of the review is Google.
Here at St Joseph's we have worked with Comgas for a number of years. They have completed big projects and undertake regular maintenance for our school. They price fairly, and their work is completed to a very high standard. All the engineers carry a DBS which makes life so much easier when trying to book an engineer visit.
On the rare occasion that we have an emergency I can trust that Lee will get one of his engineers to respond quickly and efficiently.
Nothing is too much trouble and no job is too small.
Posted on Google
Chesca Haley
16 April 2026
Trustindex verifies that the original source of the review is Google.
Lee and the team are amazing! So helpful, so knowledgeable and really look after their customers. Highly recommend.
Posted on Google
Sarah Rogers
6 April 2026
Trustindex verifies that the original source of the review is Google.
Absolutely amazing service, always a thorough job and very knowledgable. Really nice guys too. Lee has sorted numerous issues at work and around our house. We have recommended to friends and family who are also very happy
Posted on Google
Alison Molan
25 March 2026
Trustindex verifies that the original source of the review is Google.
Lovely engineers, Matt and Jack, were a pleasure to have in the house. Thorough, knowledgeable, tidy and polite. Would highly recommend.
Commercial heating FAQs
Questions about commercial boiler servicing and heating maintenance
Common questions about planned commercial heating maintenance programmes and what to expect.
The appropriate servicing frequency depends on the type and age of the boiler, its usage pattern and the manufacturer's guidance. ComGas can review the equipment and recommend a suitable interval as part of agreeing a maintenance programme.
What records do you provide after a commercial boiler service?
We provide a service record relevant to the work undertaken after each planned visit. Where gas certification documentation is applicable to a specific job — for example a commissioning or safety record — this is confirmed before work begins rather than assumed to be included as part of every service. Existing customers can access relevant service information through the Customer Portal.
Do you maintain heating systems as well as the boiler itself?
Yes. Commercial boiler servicing and heating system maintenance can be combined in a single programme. Distribution, pumps, valves, controls, programmers and hot water plant can all be included, subject to the agreed scope.
Can heating maintenance be co-ordinated with other building services?
Yes. Where a building requires maintenance across gas, heating, electrical and HVAC systems, ComGas can co-ordinate these within a broader planned preventative maintenance programme. See our Planned Preventative Maintenance page for details on multi-discipline programmes.
What happens if a fault or additional work is identified during a service visit?
Findings are documented and explained after each visit. Where additional work is required, it is discussed and separately quoted before anything is authorised — work outside the agreed servicing scope is not carried out without prior agreement.
Let's plan the right commercial heating maintenance programme for your site.
Tell us about your boilers, heating plant, number of sites and any access or operational constraints. The team can discuss the right scope and visit frequency before any commitment is made.