Commercial Heating & Gas

Commercial Heating and Gas in Hertfordshire

Also covering London, Buckinghamshire, Essex, Surrey, Berkshire, Middlesex, Kent, Sussex and all surrounding areas, including nationwide for larger projects. 

We offer our commercial heating and gas services in all types of commercial property, including (but not limited to): Hotels, schools, offices and factories. Please get in touch with our commercial heating engineers on 07825 684396 or use the contact details down below. 

Commercial boiler installation

Need a new boiler/heating system in your commercial premises? Here at GESTI Limited we carry out comprehensive boiler installations on all commercial makes and models. From a standalone boiler to a full heating system, we'll advise you on the perfect solution for your premises and arrange a time around you for its safe installation, ensuring minimal disruption to your day-to-day business activities. 
We're accredited with Vaillant and we're also a select partner of ATAG, meaning we can offer an extended warranty/guarantee of up to 10 years on selected Vaillant/ATAG boilers that we install. 

Commercial boiler servicing and repair

Boiler servicing

All boilers in a commercial premises must be serviced on an annual basis. Failure to do so is not only illegal, it can also a) increase the risk of a boiler breakdown and ultimately cause disruption to both your customers and your employees and b) increase health risks to those in the premises. Get in touch with us so we can service your boiler!
To help ensure that your boiler is running safely and efficiently for years to come, we offer service plans that allow you to spread the cost*. 

Boiler repair

For boilers that have already broken down, we're on hand to make a speedy repair. We carry a large number of parts in our van so can likely repair your boiler there and then, but if we need to order parts in, we'll contact our suppliers and ASAP and arrange a time around you to quickly repair your boiler. 


Other gas and heating services

  • Commercial water heater installations
  • Commercial gas and electrical inspections and certificates
  • Commercial Gas Installation Safety Reports
  • Plant commissioning 
  • Gas pipework strength testing, tightness testing and purging
  • Gas leaks detected and repaired
  • Plant room design, installation, maintenance and repairs

Contact us for our commercial heating and gas services in London

We offer free quotes on all commercial boiler and central heating installs, with no hidden costs. Get in touch touch for a non-obligatory quote on 07825 684396 or fill in our contact form

*Service plan costs are subject to site survey first. 

Click below to get yourself a quote