About MJB Servicing Ltd
Trusted Heating & Cooling Experts Across South and West Wales
At MJB Servicing Ltd, we’re proud to have been providing expert boiler, heating, and air conditioning services across South and West Wales since 2014.
What started as a small, local business has grown into one of the most trusted names in heating and cooling solutions — built on honesty, reliability, and real expertise.
Our Story
Founded by passionate engineers who believed local customers deserved better service, MJB Servicing Ltd began with a simple mission:
Deliver fast, friendly, high-quality solutions for every heating and cooling need — and treat every home like our own.
Today, after more than a decade in business, we’ve helped hundreds of homeowners, landlords, and businesses across Wales stay comfortable, safe, and energy-efficient all year round.