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Welcome to
BoilerFix AI

Your complete toolkit for gas engineers — fault codes, certificates, calculators, job management and more. All in one place, on every job.

⏳ You're on a 7 day free trial — full access to everything included. After your trial, plans start from just £3.99/month. No card needed now.
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Get
BoilerFix AI

BoilerFix AI is available on the App Store. Search for "BoilerFix AI" to download.

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Back Up
Your Data

Invoices, jobs and customers are saved on your device. Use Export Backup regularly and save the file to email or Google Drive.

⚠️ Important: Clearing your browser storage will erase local data. Your exported backup file is the only way to recover it.
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You're All
Set Up

Everything is ready. Tap ❓ Help on the dashboard any time you need guidance on a tool.

💳 After your 7 day trial — choose Basic (£3.99/mo) for diagnostic tools, or Pro (£5.99/mo) for full business tools and job portal access.
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BoilerFix AI

Professional Gas Engineering Tools

❓ Help & FAQ ✉️ Inbox 👤 Account
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BoilerFix AI
Engineer
Gas Safe Registered Engineer
GAS SAFE REG —
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Good to see you, Engineer 👋

Gas Safe: —  ·  Free Account

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Customer Hub
Full customer history — jobs, invoices & certificates in one place
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Job Calendar & Service Tracker
Manage your schedule and track customer service dates
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Create Invoice/Quote
Generate professional quotes and invoices with your branding
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Bookkeeping
Track P&L, invoices & expenses
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Boiler Passport PRO
QR sticker system — register boilers, log visits & receive customer bookings
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Job Portal COMING SOON
Find gas & heating jobs near you — available on Pro plan
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Boiler Diagnostics
Complete fault code database · All manufacturers · GC lookup
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Service Mode Reference
How to enter Service Mode on 1,760+ boilers across 12 manufacturers — with combustion targets & manuals
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Controls Database
Wiring, faults & installation guides
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Wiring Diagrams
Y-Plan, S-Plan & combi wiring schematics · Interactive · Colour coded
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Cooker & Hob Guide
Installation clearances, hot zone rules & pre-install checklist
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Manufacturer Contacts
Direct technical support numbers for all major boiler manufacturers
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Gas Rating Calculator
1-minute gas rate calculations for imperial & metric meters
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Heat Loss Calculator
Calculate heating requirements per BS EN 12831
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Gas Pipe Sizing
Calculate correct pipe size per BS 6891
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IV Tightness Test Calculator
IGEM/UP/1B Edition 4 — Installation Volume pass/fail checker
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CP12
Gas Safety
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Gas Service Record
CP6 service record
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Warning Notice
Gas Warning Notice
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Boiler Commissioning
Benchmark commissioning checklist
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Legionella Risk Assessment
LRA report per HSWA, COSHH & L8 ACoP — for domestic systems
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Unvented Hot Water
G3 unvented storage vessels
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TMV Commissioning
Thermostatic commissioning checklist
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Fumes Investigation Report
CMDDA1 — BS 7967 fumes investigation certificate for gas engineers
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Unsafe Situations
Complete safety reference with 120+ ID/AR situations
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Gas Safe Technical Bulletins
Quick reference guide to TB numbers, safety alerts & official resources
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Boiler Manual Search
Search installation, servicing & user manuals across all major manufacturers
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Regulations & Standards
Building regs, Gas Safety Regulations, BS standards quick reference
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🐛 Report Bug