Cosywarm is a successful family run business that has been established since 1976. We are based in Cardiff but also cover the surrounding areas.

All of our engineers are fully insured and registered with both the Gas Safe Register and CORGI. We also employ a fully qualified electrician.

Our engineers are easily identifiable in Cosywarm uniforms and vehicles. All our staff are all able to present identification on request.

As a result of our commitment to excellent customer service over 70% of our new customers are achieved through recommendations alone.


Gas safe


  • Solar
  • Gas boiler
  • LPG

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