Koziwarm have been specialising in the service, repair and installation of combination and condensing boilers since 1981.

We are also one of the largest family run companies in the area and cover the North East from Middlesbrough to Berwick and across to Haltwhistle.

Our fully qualified engineers aim to provide expert professional service at all times.

Koziwarm are also members of several trade and training bodies. We are Gas Safe Registered and BPEC Certified.

All our registered engineers work on LPG and natural gas and are fully trained and qualified to the highest standards.

Using the most up to date technology and analysing equipment, we service and install a vast range of manufacturers appliances including boilers, fires, water heaters and we can carry out safety checks to cookers and hobs.

Also making our service ideal for all Landlords who require a CP12 certificate to comply with Government Regulations.

Koziwarm can also carry out electrical safety checks and complete all building regulation certificate of compliance documents.