Boiler Installation in Porth & Across South Wales

Trusted by 100+ customers across South Wales
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Boiler Replacement in Porth

MJB Servicing, based in Porth, provides professional boiler installation and boiler replacement services across Porth, the Rhondda Valley, Rhondda Cynon Taf and South Wales.

Our Gas Safe-registered engineers install modern A-rated combi boilers, system boilers and energy-efficient heating systems for homes and businesses. With 15+ years’ experience and 100+ 5-star reviews, we’re trusted boiler specialists offering fast, reliable and affordable boiler installation across South Wales. Contact us for a free fixed-price quote.

Why Install a New Boiler?

Energy Efficiency – Modern condensing boilers are up to 30% more efficient than older systems.
Lower Bills – Reduce monthly heating costs with improved efficiency.
Improved Comfort – Hot water on demand and reliable heating.
Reliability – Fewer breakdowns, backed by manufacturer warranties.
Environmentally Friendly – Lower emissions and a smaller carbon footprint.

Combi, System & Regular Boilers Explained

Combi Boilers

Perfect for: Smaller homes, apartments, and valley terraces

Benefits: Compact and efficient, combi boilers heat water directly from the mains — so there’s no need for a separate hot water cylinder or loft tank. They provide instant hot water on demand and keep your home warm, making them a cost-effective, space-saving option.

System Boilers

Perfect for: Larger family homes in Cardiff, Swansea, and Newport

Benefits: Designed to cope with higher hot water demand, system boilers use a separate unvented cylinder to deliver strong water pressure to taps and showers. They’re ideal if you have multiple bathrooms, and with no need for a loft tank, they free up space while remaining energy-efficient.

Regular (Conventional) Boilers

Perfect for: Older properties and traditional heating systems (common in Aberdare, Pontypridd, and Merthyr)

Benefits: Regular boilers work with both a hot water cylinder and a loft-mounted cold water tank. While less compact than modern alternatives, they’re often the most practical choice for homes with existing pipework and radiator systems that would be difficult or costly to upgrade.

Signs You Need a New Boiler

A struggling boiler often gives you warning signs before it completely fails. You may need a replacement if:

🔧 It’s over 10 years old and past its best
🔧 Breakdowns are becoming frequent and repair bills keep adding up
🔧 Energy bills are rising without explanation
🔧 Leaks, drips, or strange noises are coming from the system
🔧 The pilot light flickers or burns with a yellow flame
🔧 Heating and hot water take too long to reach the right temperature

Not sure whether you need a repair or a full replacement? Our friendly, Gas Safe engineers will assess your system and give you honest advice on the most cost-effective solution.

Our Boiler Installation Process

Step 1

Consultation & Home Survey – We assess your current system and recommend the right boiler.

Step 2

Clear Quotation – No-obligation, transparent pricing.

Step 3

Choosing the Boiler – Combi, system, or regular, matched to your home.

Step 4

Installation Day – Safe removal of the old boiler and professional fitting of the new one.

Step 5

Commissioning & Handover – Full system test, Gas Safe certification, and warranty paperwork provided.

Why Choose MJB Servicing Ltd?

MJB Servicing Ltd delivers trusted, energy-efficient heating services across South Wales. From installing the latest Worcester Bosch boilers to expert repairs and servicing, we’re here to keep your home warm, safe, and running efficiently no matter the season.

Gas Safe Registered engineers
British Gas Trained
15+ years’ experience across South Wales
100+ 5-star Google reviews
Worcester Bosch Accredited Installers
Transparent Pricing – No hidden extras
12-Month Guarantee on workmanship + manufacturer warranties
Flexible Finance Options – Making upgrades affordable
Emergency Availability – Fast call-outs for urgent breakdowns

Contact Our Team

Whether you’re in Porth, Cardiff, Swansea, Newport, or anywhere across Rhondda Cynon Taf and South Wales, our expert boiler installers are here to help.

Phone: 07979 677209
Email: hello@mjbservicing.com

Areas We Cover

Based in Porth, we cover up to a 50-mile radius across South Wales, serving homes and businesses in:

Rhondda Cynon Taf: Porth, Tonypandy, Treorchy, Maerdy, Ferndale, Mountain Ash, Hirwaun, Aberdare, Pontyclun, Pontypridd, Llantrisant, Talbot Green, Tonyrefail, Llanharan
Major Cities: Cardiff, Swansea, Newport
Extended Coverage: Caerphilly, Merthyr Tydfil, Vale of Glamorgan, Bridgend, Neath Port Talbot, and southern Powys

No matter where you are within our service area, our engineers deliver fast, professional, and reliable boiler installations.

FAQ

Boiler Installation FAQs

MJB Servicing – trusted for boiler installations across Porth, Rhondda Cynon Taf, and within 50 miles, including Cardiff, Swansea, and Newport.

Do you cover the whole of South Wales?

Yes, we cover up to a 50-mile radius from Porth, including Cardiff, Swansea, Newport, and all of Rhondda Cynon Taf.

How quickly can you install a new boiler?

Most installations are completed in 1–2 days

What boiler brands do you install?

We fit all leading brands, specialising in Worcester Bosch and Haier Pro.

Do you offer finance options?

Yes – we provide flexible finance plans to spread the cost.

Will there be much disruption?

We protect your home, minimise disruption, and clean up afterwards.