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New Boilers


  • Local Gas Safe engineers

  • Professionally fitted

  • Exclusive Blue Flame Warranty™

BOILER COVER


  • Local Blue Flame engineers

  • In-house parts & labour

  • No call centres

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    BOILER REPAIRS


    • Same-day diagnostics

    • Experienced engineers

    • Fast local call-outs

    Boiler Servicing


    • Safety & efficiency checks

    • Warranty compliance

    • Annual reminders

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    Air Conditioning Home


    • Local F-Gas engineers

    • Professionally fitted

    Air Conditioning Install


    • Local Blue Flame engineers

    • No call centres

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      Air Conditioning Repair


      • Same-day diagnostics

      • Experienced engineers

      Air Conditioning Service


      • Safety & efficiency checks

      • Warranty compliance

      Blue Flame warranty


      • Parts & labour covered in-house

      • Managed directly by Blue Flame

      • Designed for reliable local support

      local in-house engineers


      •  Work done by our local team

      • All jobs completed in-house

      • Faster response & local knowledge

      trusted & award-winning


      • Gas Safe Registered

      • Which? Trusted Traders

      • Award-winning local business

      family-run, south wales


      • Independent local company

      • Not a national call centre

      • Over 10 years serving South Wales

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      Advice & Guides


      • Boiler FAQs & Homeowner Guides

      • Smart Controls & Thermostats

      • Energy Saving Tips

      • Gas Safety Advice

      Enginer-Help-Guide

      Support & Controls


      • Boiler Fault Codes & Diagnostics

      • Boiler Pressure & Filling Loog Guides

      • Manufacturer Support Guides

      • Heating System Troubleshooting

      Costs & Comparisons


      • Boiler Installation Cost Guides

      • Boiler Repair & Service Costs
      • Blue Flame vs British Gas

      • Blue Flame vs BOXT

      Need expert advice? Speak to us →

      Radiator FAQs

      How do I know which size radiator I need?

      Radiator size depends on your room dimensions and heat loss. Our engineers calculate this using BTU output to make sure your space stays warm and efficient. Use our online quote tool for quick radiator sizing advice.

      Can I replace my old radiators with new ones easily?

      Yes. Most older systems can be upgraded to modern radiators without major pipework changes. Our team can check compatibility and install new valves, TRVs and brackets as part of the job.

      What are TRVs and do I need them?

      TRVs (Thermostatic Radiator Valves) let you control the temperature of individual rooms. They improve comfort and energy efficiency and are now recommended under current building regulations.

      Why are some of my radiators cold at the top?

      Air trapped inside your system can stop radiators heating fully. Try bleeding the radiator to release air. If the problem persists, a professional power flush may be needed to remove sludge build-up.

      How often should radiators be bled or balanced?

      We recommend bleeding once or twice a year — typically before winter. Balancing should be checked every few years to ensure even heat distribution throughout your system.

      Can I mix different radiator styles in my home?

      Absolutely. You can mix modern flat panels, traditional column radiators and towel rails — just ensure the total BTU output meets your heating requirement.

      Do you supply and fit designer radiators?

      Yes — we install all radiator types including vertical, slimline and designer ranges. Our engineers handle delivery, fitting and system balancing to finish.

      How long does a radiator installation take?

      Most single replacements take around one hour. Full system radiator upgrades can be completed in one day depending on pipework layout and access.

      Do you remove and dispose of old radiators?

      Yes, we safely remove and recycle your old radiators as part of the installation — leaving no mess behind.

      Blue the Bear

      Need help choosing radiators?

      Get a fixed-price quote and expert advice from our Gas Safe engineers today.

      Get Your Instant Quote