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We Are Your Local Gas and Heating Engineer
Boiler repair service, installation, and sizing.

Whether you need your yearly check-up, a new boiler, a boiler repair service, a new Heat Pump*, an upgrade for your heating system, or a fresh project design, at Fenix Heating Services, our team is here to provide reliable and efficient help.

Our Services & Scope of Work

Discover a wide range of services tailored to meet your needs. We have you covered with top-notch expertise and quality service.

Live Availability

Instant Confirmation

Free Survey

Book Your Heating Services Online in Seconds

No phone calls, no hassle — check real‑time availability and secure your slot instantly.

Boiler Sizing Assessment Service

1 hr 30 min • £90

Smart Thermostat Installation

1 hr 15 min • From £125

Essential Underfloor Heating Service

1 hr 15 min • £99

Annual Boiler Service

1 hr • From £99

Gas Cooker Replacement

1 hr • £99.98

Boiler/Heating Breakdown

1 hr • £89 / Payable with plan

What Our Customers Say:

We take pride in the relationships we build with our customers. For us, it’s not just about fitting a system – it’s about leaving a lasting impression through transparency, communication, and care.

Here’s what some of our recent customers had to say about their experience with

Are You Looking For A New Boiler?

Vaillant ecoTec Plus Combi Boiler

Vaillant ecoTEC Plus 8xx Combi

1 hr 15 min • From £2,775

Worcester Greenstar 1000 Combi Boiler

Worcester 1000 30 Combi Swap

1 hr 15 min • From £1,749

Alpha E-Tec Plus NX Combi Boiler

Alpha E-Tec Plus Combi

1 hr 15 min • From £2,136

Frequently asked questions

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