New Boiler Installations
A-rated, energy-efficient gas boilers expertly installed across South Wales.
Trusted Boiler Installation Specialists
At Heat Source Wales, we install high-efficiency gas boilers from the UK's leading manufacturers. Whether you're upgrading an ageing system or fitting out a new home, our Gas Safe registered engineers handle every step — from a free home survey through to commissioning and registration of your warranty.
Combi Boilers
Compact, on-demand hot water and heating in one unit — ideal for most homes and flats.
Boiler Swaps & Upgrades
Replace your old boiler with an A-rated efficient model and start saving on energy bills.
Free Home Survey
We visit, measure up, and recommend the best boiler for your home and budget — no obligation.
System & Regular Boilers
Perfect for larger homes with multiple bathrooms, paired with hot water cylinders.
Smart Heating Controls
Pair your new boiler with smart thermostats like Hive or Nest for full home control.
Up to 10 Year Warranty
We install Worcester Bosch, Vaillant, Baxi and Ideal — with manufacturer warranties up to 10 years.
Ready for a New Boiler ?
Get a free, no-obligation quote from our friendly team today.
