Boiler & Heating
Commercial boiler installation, servicing and emergency repairs by Gas Safe registered engineers across the UK
Commercial Boiler & Heating Specialists
Reliance Commercial provides comprehensive boiler and heating services for offices, schools, hospitals, hotels, and industrial premises. Our Gas Safe registered engineers are experienced with all types of commercial heating systems — from condensing boilers and pressurised systems to district heating and plant room installations.
We work with leading manufacturers including Bosch, Ideal, Vaillant, Remeha, and Hamworthy — delivering reliable, energy-efficient heating solutions that keep your building warm and your compliance records in order.
What We Offer
Full-scope boiler and heating services for commercial properties of all sizes.
Boiler Installation & Commissioning
Full design, supply, installation and commissioning of commercial boilers — from small office units to large plant room installations.
Planned Preventative Maintenance
Annual and periodic servicing contracts to maintain efficiency, extend equipment life, and satisfy insurance and compliance requirements.
Emergency Breakdown Cover
24/7 emergency call-out for boiler breakdowns. Our engineers carry a comprehensive range of spare parts to restore heating quickly.
Gas Safety Inspections
Landlord and commercial gas safety certificates (CP12) carried out by our Gas Safe registered engineers with full documentation.
System Upgrades & Replacements
Replacing ageing, inefficient boilers with modern condensing units — reducing energy bills and carbon emissions significantly.
Pressurised System Servicing
Maintenance and repair of pressurised heating systems, expansion vessels, pumps, and associated plant room equipment.
Why Choose Reliance for Boiler & Heating?
All heating engineers are Gas Safe registered — a legal requirement for working on gas appliances in the UK
Round-the-clock emergency response to minimise disruption and restore heating as fast as possible
Bosch, Ideal, Vaillant, Remeha, Hamworthy and more — we service and repair all leading commercial boiler brands
Flexible planned maintenance contracts with fixed annual pricing and priority emergency call-out rates
Our Other Services
Reliance Commercial covers all your building services needs under one roof.
Get a Free Boiler Survey & Quote
Whether you need a new boiler installation, a service contract, or emergency cover, our team is ready to help. Contact us today for a no-obligation survey.