FAQs
We cover the whole of the North East including Northumberland, Tyne And Wear, County Durham and Teesside. Our office is in Wallsend making us perfectly positioned to service customers as far as Berwick, down to Middlesbrough and from Haltwhistle to the coast.
Yes, all our engineers are fully qualified, Gas Safe registered and DBS checked. They are also experienced in LPG, unvented cylinders, fires and hobs.
Common signs that your boiler may need repairing include strange noises (like banging or whistling), leaks, inconsistent heating or hot water, low pressure, or frequent switching off. The boiler may also show an error code on screen.
Yes, the majority of our work is with combi boilers, whether that is servicing, repairing or installing.
Sometimes a boiler stops working for simple reasons such as low pressure, a tripped fuse, or a thermostat setting, which can all be fixed easily. For peace of mind contact Koziwarm and we can fully check your boiler.
Koziwarm has been specialising in boiler services since 1981, giving us over 40 years of experience.
A boiler service usually takes between 30-60 minutes.
We install a range of boilers including Baxi, Worcester, and Vaillant.
We recommend annual servicing to ensure your boiler runs efficiently and safely.
During the initial visit, our engineers will assess the size of your home including number of rooms and hot water usage, then recommend the right size boiler for you.
We offer warranties on all our installations and repairs. The specific warranty period depends on the service provided.
Yes, all of our boilers are backed by a 10 year warranty.
Yes. All boilers should be serviced annually to maintain your warranty and ensure your boiler runs efficiently. Our heating engineers can visit and service your boiler each year.
Yes, our heating engineers are experienced in repairing a wide range of boiler brands and models.