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Gas Safety is our promise to you.

working closely with local letting agents & landlords specialising in gas certificates, pre purchase surveys and warm air.

With over 30 years' industry experience, you can be rest assured that you will be in the safest of hands.

So, whether you need a replacement for your boiler, or would like to upgrade your system, our friendly and professional heating engineers eagerly await your call.

Covering Hertfordshire, Bedfordshire and Buckinghamshire, we undertake work for both domestic and commercial clients.

For further information, please check out our dedicated Heating Services page.

Why choose K J Barnett Ltd to be your heating experts?

  • Over 30 years' industry experience
  • Professional, one-on-one service
  • Competitive pricing
  • Gas Safe registered
  • All work guaranteed
  • Free quotes, estimates and advice
  • Provide references upon request
Boiler combustion multimeter hand held combustion analyser

Does your boiler need replacing? Call on 07973 128 441


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