Commercial Boiler Servicing in Spring Commercial Boiler Servicing in Spring Discussed by Total Boiler Services BriefingWire.com, 3/10/2021 - FOR IMMEDIATE RELEASE An annual boiler service is really important to keep it working safely and efficiently. If you are a landlord or business owner then you legally have to have your boiler serviced once a year and be able to show this with a gas safety certificate. Most businesses will arrange their Commercial Boiler Servicing in Autumn so it is ready for the winter months, however, having it serviced in spring or summer has many benefits. The most important factor when it comes to your boiler servicing is that you have it serviced by a gas safe registered engineer once a year.