Call Us On 07979 677209
Call Us On 07979 677209
Trusted by 100+ customers across South Wales
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From the heart of South Wales, MJB Servicing delivers professional heating and air conditioning services for homes and small businesses throughout Caerphilly and surrounding valleys.
Whether you’re near Castle View, Bedwas, or around Pontygwindy Road, our qualified local engineers are on hand to keep your home cosy in winter and cool in summer.
With 15+ years’ experience and more than 100 five-star reviews, MJB Servicing is proud to be a trusted name for boiler and air conditioning services in Caerphilly.
When the temperature drops over the Caerphilly Basin, you need a heating system you can rely on. Our Gas Safe registered engineers are based locally and ready for everything from quick fixes to complete replacements.
Our boiler services include:
If you’re in Bedwas, Llanbradach, or Trethomas, we can usually visit the same or next day.
Need a dependable boiler engineer in Caerphilly? Book your service today.
Our F-Gas certified engineers install and maintain modern air conditioning systems across Caerphilly, Bedwas, and Llanbradach — perfect for homes, offices, or shops that need year-round comfort.
Our air conditioning services include:
Considering air conditioning for your Caerphilly home or workplace near the castle or town centre? Request your free quote today.
We also provide reliable LPG services for caravan parks, mobile homes, and off-grid properties across Caerphilly County Borough.
Our LPG services include:
Perfect for static caravans and holiday homes around Rudry, Machens, or the Sirhowy Valley.
No heat? No hot water? Air con stopped in a heatwave?
Our local engineers are on call 24 hours a day, 7 days a week for urgent repairs across Caerphilly and the Valleys.
We prioritise emergency visits and can often arrive within hours.
Emergency call-outs include:
Need urgent help? Call our 24/7 line for immediate assistance.
As a Worcester Bosch Accredited Installer, MJB Servicing can offer up to 12 years of extended warranty on selected new boilers — giving you complete confidence and long-term cover.
Ask about our extended warranty options when booking your new Worcester Bosch boiler installation.
Running a cafe, salon, workshop, or rental property?
We support small businesses across Caerphilly and Bedwas with dependable heating and air-conditioning maintenance.
Keep your business safe, efficient, and comfortable with your local HVAC experts.
At MJB Servicing, we specialise in delivering efficient, reliable, and modern climate solutions across Caerphilly. Whether it’s upgrading to an energy-efficient Worcester Bosch boiler or fitting a new Haier Pro air conditioning system, our goal is simple: comfort, safety, and value.
With training from British Gas and hands-on experience across all major brands, our engineers complete every job to the highest standards.
We proudly serve Caerphilly and nearby communities across South Wales, including:
Bedwas, Llanbradach, Trethomas, Machens, Rudry, Pontypridd, and Lisvane.
If you’re near Caerphilly Castle, the Business Park, or Penrhos Avenue, we’re right on your doorstep.
Yes — our engineers are available day and night for emergency boiler call-outs.
Absolutely — we handle AC breakdowns 24/7 for homes and small businesses.
Yes — flexible finance is available on new boiler and AC installations.
Every 12 months to keep it efficient and safe.
Yes — we supply CP12 gas safety certificates for rental properties.
If it’s under 10 years old and a simple fix — repair it.
If it’s 12-15 years old and breaking down often, replacement saves money on repairs and energy costs.
We’ll always give honest advice and a free quote.
Ready to book your heating or air conditioning service in Cardiff? Get in touch today.
Upgrade your home or business with Cardiff’s trusted heating and air conditioning experts. From new boilers to modern AC systems, our certified engineers have you covered. Call our Cardiff team today or request your FREE, no-obligation quote online.
Get a free, no-obligation quote and enjoy year-round comfort in your home or business.
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