Welcome To Cosmo's Boiler Services.....My name is David and I'm a fully qualified OFTEC Boiler Technician. I offer you the customer a professional, friendly and honest (yes honest) service.

I have been doing this line of work for quite a while, first off with a large organisation before in 2011 starting up My own company. So I am able to offer you a great service for a realistic price.

I have built up years of expert knowledge on all types/makes of heating boilers so feel reassured that I can fix any problem you might have.'

I am a fully Qualified and Registered OFTEC Business and Technician. OFTEC is a trade association that works on behalf of the oil heating. This means I'm fully trained and up to date with all heating components and all heating problems you might have. I'm also fully insured for all work I carry out so feel reassured that you've got a professional person who will carry out any work you require to the best quality available.

Our qualifications include;

OFTEC 101 - Service, Commissioning and Maintenance

OFTEC 105e - Boiler Installations

OFTEN 600a - Tank Installations


Monday to Thursday: 8.30am till 8.30pm

Friday: 8.30am till 6.30pm

Saturday: 10am till 1pm

CLOSED Sunday except for annual service customers in an emergency.

Locations We Cover:

We cover; Lurgan, Portadown, Craigavon, Dollingstown, Moira, Bleary, Lisburn, Gilford, Waringstown, Donacloney, Magheralin, Aghalee, Glenavy, Ballinderry and Banbridge.