Boiler Fault Diagnosis Software for Gas Safe Engineers
The intelligent diagnostic platform for UK gas engineers. Smarter checks, faster fixes, happier customers.
Built for Real Engineers on Real Jobs
Simple to use on site
A fast, no-nonsense interface that works with gloves on, on the van or at the boiler.
Structured diagnostic guidance
Clear, ordered checks instead of guesswork — so you know exactly what to test next.
Save time, reduce repeat visits
Get to the likely cause sooner and fix it right the first time, fewer return trips.
Everything you need, in one diagnostic flow
Smart Diagnosis Flow
Enter the appliance, fault code and symptoms — get ranked likely causes in seconds.
Fault Code Library
Look up codes by manufacturer or description, with likely causes and recommended checks.
Step-by-Step Checks
Guided on-site checks you can mark pass or fail as you work through the fault.
Saved Jobs & Export Notes
Every diagnosis saved as a job you can re-open, add notes to, and export.
Boiler Photo Analysis (Pro)
Snap the data plate — Flux IQ identifies the appliance and pulls the right fault data. No typing model numbers with cold hands.
Spend Less Time Guessing. More Time Solving.
Who it's for
FluxIQ supports professional judgement and does not replace training, Gas Safe competence, manufacturer instructions, or regulations.
What FluxIQ does not do
FluxIQ does not replace manufacturer instructions, Gas Safe competence, GIUSP, combustion analysis, electrical testing, physical inspection, or your professional judgement.
Built to earn its place in your toolkit
Illustrative product value statements — not customer reviews.
Get to the likely cause in seconds, not by thumbing through manuals on the van floor.
Every job saved and exportable — clear notes you can review, store, and share where appropriate.
Structured, step-by-step checks that help you fix it right the first time.
Start free. Simple pricing.
5 diagnoses and 5 fault-code library lookups. No card required.
Free Trial
Free
5 diagnoses + 5 fault-code lookups · No card required
- Smart diagnosis flow
- Fault code library
- Step-by-step checks
- Saved Jobs & Export Notes
Monthly Plan
£19.99/month
Unlimited diagnostics, cancel anytime
- Unlimited diagnostics
- Full fault code library
- Boiler photo analysis
- Saved Jobs & Export Notes
Annual Plan
£199.99/year
Equivalent to £16.67/month — save 17% vs monthly
- Everything in Monthly
- Priority support
- Early access to new features
- Saved Jobs & Export Notes
All prices include VAT where applicable.
Ready to Diagnose Smarter on Your Next Job?
Every account is manually checked against publicly available Gas Safe Register records. FluxIQ is independent and is not affiliated with, endorsed by, or sponsored by Gas Safe Register.