Upgrade Your Heating. Upgrade Your Comfort.
At Gwresogi, we specialise in heating system upgrades that improve comfort, efficiency, and reliability. Whether your radiators are outdated, your controls are inefficient, or your system simply isn’t performing as it should, we’ll design and install upgrades that make a lasting difference.
Our goal is simple: to give you a heating system that works harder, costs less to run, and is ready for the future.
- Lower Bills – Modern systems use less energy to deliver the same heat.
- Better Comfort – Even heat distribution and improved control.
- Future-Ready – Compatible with technologies like heat pumps.
What Can We Upgrade?
From simple improvements like replacing old radiators to full system overhauls, we’ll recommend the right upgrades to maximise efficiency, comfort, and long-term performance.
Radiators and Pipework
for improved performance
Smart heating controls
for greater efficiency
Hot water cylinders
and storage solutions
System flushing
and cleaning for longevity
Complete replacements
with renewable-ready designs
HOW IT WORKS
Our Installation Process
Assessment
We review your current heating system and identify inefficiencies.
System Design
A tailored upgrade plan, from radiators to full system replacements.
Expert Installation
Carried out by our accredited, experienced engineers.
Testing & Handover
Every upgrade is checked to ensure safety and efficiency.
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
Do I need to replace my whole system?
Not always — sometimes upgrading radiators, controls, or pipework is enough to significantly improve performance.
Can you make my home heat pump-ready?
How long does an upgrade take?
It depends on the size of the project — from a single day for small upgrades to a few days for full system overhauls.
Will upgrades really save money?
Yes — by improving efficiency, modern systems reduce wasted energy and lower your bills over time.