Reliable Heat. Efficient Performance.
At Gwresogi, we provide expert boiler installations designed to keep your home warm, efficient, and reliable all year round. Whether you’re replacing an ageing system or fitting a new build, we supply and install high-performance boilers tailored to your property’s needs.
Our installations combine modern efficiency with professional workmanship — giving you dependable heating and hot water, backed by trusted aftercare.
- Lower Running Costs – Modern boilers are far more efficient than older models.
- Improved Comfort – Consistent heating and reliable hot water on demand.
- Future-Ready Options – Compatible with renewable heating systems.
What Can We Install?
Every home has different requirements, so we offer a range of options to suit your property, energy use, and budget.
Gas Boilers
High-efficiency replacements for outdated systems.
System Boilers
Ideal for homes with higher hot water demand.
Combi Boilers
Compact, cost-effective solutions for heating and hot water.
Unvented Cylinders
Reliable hot water storage with excellent flow rates.
HOW IT WORKS
Our Installation Process
Consultation
We discuss your heating and hot water requirements.
System Design
Selecting the right boiler type and size for your property.
Expert Installation
Carried out by accredited Gwresogi engineers.
Testing & Commissioning
Ensuring safety, performance, and compliance.
TRUSTED EXPERTS
Why Work With Us
With over a decade of hands-on experience in renewable heating, we’ve earned a reputation for precision, care, and long-lasting solutions. Our team is fully accredited, and we pride ourselves on delivering installations that are clean, efficient, and built to last.
Over 10 years of renewable heating expertise
Accredited, trusted engineers with hands-on experience
Tailored systems designed around your home
Clean, professional installations with precision pipework
Dedicated aftercare & maintenance support
Frequently Asked Questions
How long does a boiler installation take?
Most installations are completed within 1–2 days, depending on the system.
Do you remove old boilers?
Yes — we safely remove and dispose of your old system as part of the installation.
What size boiler do I need?
This depends on your home and hot water needs. We’ll design the system to suit your property.
Do new boilers really save money?
Yes — modern boilers can be up to 30% more efficient, cutting running costs significantly compared to older systems.