We specialise in a comprehensive range of services, including boiler installations, boiler servicing, maintenance, and air-Conditioning in South and West Wales. We are dedicated to providing you with a fast, friendly, and reliable service for any job you require.
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About Us
Trusted Heating & Cooling Experts in South and West Wales for Over 10 Years At MJB SERVICING LTD, we’ve been proudly serving homes and businesses across South and West Wales with expert boiler services and air conditioning solutions since 2014.
What started as a small, local operation has grown into a trusted name in heating and cooling—built on reliability, honest advice, and top-quality workmanship. With over 10 years of hands-on experience, we understand the needs of our community and go above and beyond to deliver comfort, safety, and efficiency all year round.
Whether you need a new boiler for winter, an air conditioning system for the summer, or a reliable engineer to service your equipment - we’ve got you covered.
24/7 Emergency Boiler Repairs
Why Choose MJB
At MJB Servicing Ltd, we know you’ve got options — but here’s why customers across South and West Wales choose us time and time again:
10+ Years of Experience
We’ve been proudly serving homes and businesses since 2014. With over a decade of hands-on experience, we bring expert knowledge, practical solutions, and real peace of mind to every job.
Fast, Reliable Response
When your boiler breaks down or your AC stops working, you don’t want to wait. That’s why we offer fast, dependable service — including 24/7 emergency repairs.
Fully Qualified Engineers
Our team is Gas Safe registered, F-Gas certified, and trained to the highest industry standards. We work safely, cleanly, and efficiently on every visit.
All Major Brands Covered
From Worcester Bosch and Vaillant to Daikin and Mitsubishi, we install and service all major heating and cooling systems with manufacturer-approved techniques.
Transparent, Honest Pricing
No hidden charges. No upselling. Just fair, upfront pricing — and helpful advice to guide your decision.
Local Experts Who Care
We’re a local business, not a national call centre. We know the homes, businesses, and climate of South and West Wales — and treat every customer like a neighbour.