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Trusted HVAC Contractors in Caerphilly
B G Heat has been delivering professional gas heating and engineering services for over four decades. Specialising in energy-efficient solutions for commercial and industrial clients, we offer comprehensive design, installation, and maintenance services tailored to diverse business needs. Our team of Gas Safe registered engineers holds SafeContractor accreditation and CSCS skillCards, ensuring compliance with rigorous safety standards. With DBS-checked professionals working in sensitive environments like schools and care homes, we prioritise client safety and system reliability.

Based in Caerphilly, we serve South Wales and the West of England, providing bespoke heating solutions for warehouses, educational facilities, and commercial kitchens. Our commitment to quality is demonstrated through case studies showcasing complex installations completed during challenging circumstances, including pandemic restrictions. We offer free surveys and no-obligation quotations, ensuring transparent project planning for every client.
Services
Gas-fired radiant tube heating Warm air heating systems Cabinet heating systems Commercial boiler plant Gas safety interlock systems
Highlights and features
  • We have over 40 years of experience in commercial and industrial gas heating
  • Our engineers are Gas Safe registered with CSCS skillCards
  • All team members undergo DBS checks for work in sensitive environments
  • We serve clients across South Wales and the West of England
  • Free surveys and no-obligation quotations for all heating projects
Associations and certifications
  • Gas Safe Register
  • SafeContractor
Services
Gas-fired radiant tube heating
Our gas-fired radiant tube heating systems provide targeted warmth for large spaces like warehouses and workshops. Using U-tube or straight-line fan driven heaters, these systems deliver instant heat controlled by black bulb thermostats that measure direct heat radiation rather than ambient air temperature. This energy-efficient solution reduces operating costs by heating specific work areas rather than entire buildings.
Warm air heating systems
We design and install gas-fired warm air heating systems for commercial premises requiring whole-space heating. Our suspended or floor-mounted units draw in cold air, heat it through a heat exchanger, and distribute warm air using sophisticated control systems. This versatile solution maintains consistent temperatures in industrial and commercial properties while allowing precise directional airflow control through adjustable nozzles and louvres.
Cabinet heating systems
Our cabinet heating systems offer flexible heating solutions for very large spaces including supermarkets and sports halls. Available in horizontal or vertical configurations, these units can be installed internally, in plant rooms, or externally with weatherproofing. Each system includes individual fluing for safe combustion gas removal and can be connected to ductwork for efficient air distribution across extensive commercial and industrial premises.
Commercial boiler plant
We specialise in commercial boiler installations for diverse business sectors including education facilities, healthcare premises, and industrial sites. Our engineers handle complete plant room refurbishments, pressurisation units, and hot water cylinder installations. We implement plate heat exchangers to protect new boiler systems from legacy pipework contamination while ensuring compliance with current gas safety regulations and efficiency standards.
Gas safety interlock systems
We design and install BS6173-compliant gas safety interlock systems for commercial kitchens. These systems prevent gas supply until proper ventilation is confirmed, protecting staff from harmful combustion fumes. Our Gas Safe registered engineers install control panels, CO2 monitors, and solenoid valves to ensure regulatory compliance while maintaining operational safety in catering environments.
Questions
Why should I use a Gas Safe registered engineer for commercial heating?
Gas Safe registration ensures engineers meet legal requirements and safety standards for commercial gas installations. Domestic engineers cannot legally work on appliances over 70kW output, which are common in commercial settings.
What types of commercial heating systems do you install?
We specialise in gas-fired radiant tube heating, warm air systems, cabinet heaters, and commercial boiler plants. Our engineers also install gas safety interlock systems for commercial kitchens.
Do you provide services for small businesses?
Yes, we offer tailored solutions for small businesses including gas safety compliance, appliance servicing, and commercial kitchen interlock systems to ensure regulatory compliance and operational safety.
Which areas do you cover?
We serve clients across South Wales and the West of England, with our Caerphilly-based team handling projects from small business installations to large industrial heating systems.
How do you handle complex heating projects?
We provide free surveys and no-obligation quotations, followed by detailed planning and execution. Our case studies demonstrate successful installations in challenging environments including schools and during pandemic restrictions.
What accreditations do you hold?
We are Gas Safe registered and SafeContractor accredited. Our engineers carry CSCS skillCards and undergo DBS checks for work in sensitive environments.