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50+ Years
experience
Emergency
services
Commercial Heating Experts in London & Hertfordshire
Established in 1973, B B I S Commercial Heating has grown into a trusted specialist in commercial heating solutions across London and Hertfordshire. Our expertise spans boiler installations, servicing, and plant room modernisation, supported by a team of qualified engineers with decades of combined experience. We prioritise customer satisfaction through affordable, efficient, and high-quality services, including 24-hour emergency call-outs.

Our commitment to innovation ensures clients receive cost-effective, energy-efficient systems tailored to their needs. With a portfolio spanning schools, hospitals, and commercial buildings, we deliver reliable heating solutions that meet evolving industry standards.
Services
Boiler Servicing Boiler Installations Plant Room Installation Underfloor Heating Commercial Boiler Repair Power Flushing Air Conditioning Gas Certificates Swimming Pool Boilers Laundry Appliances
Details
  • Year established: 1973
Highlights and features
  • We have over 50 years of experience in commercial heating solutions.
  • Our engineers provide 24-hour emergency call-out services.
  • We offer tailored energy-efficient boiler installations with warranties up to 12 years.
  • Our team specialises in plant room modernisation and underfloor heating systems.
  • We serve schools, hospitals, and large commercial buildings with proven reliability.
What people say
Impeccable service Outstanding service Efficient and proactive Excellent workmanship Highly recommend
Services
Boiler Servicing
Annual boiler servicing ensures safe, efficient operation and prolongs equipment lifespan. Our Gas Safe engineers conduct thorough inspections, cleaning, and adjustments to meet regulatory standards. Regular maintenance prevents breakdowns and maintains warranty validity for commercial properties.
Boiler Installations
We install high-efficiency condensing boilers with warranties up to 12 years. Our engineers assess property needs to recommend optimal systems, ensuring seamless integration with existing infrastructure. Projects include pipework, flue systems, and BMS controls for maximum energy efficiency.
Plant Room Installation
Centralised plant room installations streamline heating, plumbing, and HVAC systems for easier maintenance. We design bespoke layouts, incorporating modern boilers, calorifiers, and control panels. Projects include asbestos removal, space optimisation, and energy-saving technologies.
Underfloor Heating
Underfloor heating systems distribute warmth evenly through pipework embedded in screed. Ideal for commercial spaces, this solution maximises usable area and reduces visual clutter. We integrate systems with existing boilers and control panels for efficient operation.
Commercial Boiler Repair
Our team resolves boiler breakdowns with rapid response times, typically within 24 hours. Services include part replacement, system flushing, and pressure testing. We prioritise minimal disruption to business operations during repairs.
Questions
What commercial heating services do you offer?
We provide boiler installations, servicing, repairs, plant room upgrades, underfloor heating, and air conditioning for commercial properties.
Do you offer emergency boiler repairs?
Yes, we provide 24-hour emergency call-out services for urgent boiler breakdowns.
Which areas do you cover?
We serve London and Hertfordshire, including schools, hospitals, and large commercial buildings.
How often should commercial boilers be serviced?
Annual servicing is recommended to ensure safety, efficiency, and warranty compliance.
Can you modernise outdated boiler rooms?
Yes, we specialise in upgrading obsolete plant rooms with energy-efficient systems and space-saving designs.
Reviews (4)
Samantha Lessons
Apr 16, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
BBIS provided very helpful, friendly, great service, would thoroughly recommend.
Adam Smith
Jan 06, 2020 Report
I have been a customer of BBIS for several years; they always provide an excellent and reliable service and have a great can-do attitude. I have always found them to be professional, punctual, tidy along with excellent workmanship - highly recommended.
Graham Garland
Oct 08, 2019 Report
I have been using BBIS for all of our plant room/commercial boiler needs for many years, and we have found them to be incredibly efficient, pro active, knowledgeable, helpful and always leaving our plant rooms in good condition. I could not recommend them enough.
Michelle Jackson - Artist Pa
Jul 12, 2019 Report
Thank you to the team at BBIS for an impeccable service. Not only have you solved all the problems in my properties which have been incredibly stressful, but you've responded at the drop of a hat. The team are friendly and helpful and I couldn't recommend them enough. Thanks again