GasTech Calculator Pro

PROFESSIONAL GAS ENGINEERING CALCULATOR GasTech Calculator Pro is the ultimate professional toolkit for Gas Safe registered engineers, heating technicians, and HVAC professionals. Featuring 9+ specialized calculators with full British Standards compliance. CORE PROFESSIONAL CALCULATORS Volume to Energy Converter Gas volume to energy conversion with temperature and pressure correction for accurate calculations. Professional Pipe Sizing BS 6891:2015 compliant calculations using Renouard Formula. Supports copper, steel, and polyethylene pipes with pressure drop analysis. Gas Safe Rate Calculator Three-mode conversion between m³/h and kW with gas meter testing and reading verification tools. Pressure Unit Converter Convert between 11 pressure units: mbar, kPa, psi, pascal, bar, atm, mmHg, torr, mmH2O, inH2O, inHg. Includes UK Gas Standards reference and tightness test calculator. Heat Load & Radiator Calculator Complete heat loss calculations with U-values from Pre-1920 buildings to Passive House standards. Includes boiler sizing recommendations. EXTENDED PROFESSIONAL TOOLS Heating Cost Analysis - Multi-fuel cost comparison with efficiency recommendations Energy Efficiency Assessment - EPC ratings and savings recommendations Professional Boiler Sizing - Advanced sizing with load calculations Ventilation & Flue Pro - 6-tab professional toolkit with BS 5440-2:2023 compliance VENTILATION & FLUE PRO - 6 ADVANCED TOOLS 1. Standard Ventilation & Flue - BS 5440-2:2023 calculator with safety verification 2. Extract Fan Calculator - Mechanical ventilation credit calculations 3. Multi-Room Ventilation - Advanced multi-room calculations 4. Unit Converters - Gas engineering specific conversions 5. Flue Terminal Position - BS 5440-1:2008 clearance validation 6. Advanced Professional Tools - PSV sizing, Adventitious Air, Flue Gas Analysis SMART SCIENTIFIC CALCULATOR Advanced scientific functions, unit converters, percentage calculator, date calculator, comprehensive calculation history with export, iPad-optimized layout. PROFESSIONAL FEATURES British Standards compliant (BS 5440-2:2023, BS 6891:2015) Gas Safety Regulations compliance Gas Safe Register 2024-2025 requirements Complete calculation history with export Dark mode support Works completely offline No data collection - complete privacy Professional 9-color design system Customizable units and precision PERFECT FOR Gas Safe Registered Engineers, Heating & Ventilation Technicians, HVAC Professionals, Plumbing Engineers, Building Services Engineers, Gas Training Instructors, Engineering Students. TECHNICAL EXCELLENCE Native iOS app built with SwiftUI SwiftData for reliable data persistence Professional responsive layouts for iPhone and iPad Optimized for iOS 17.6 and later STANDARDS COMPLIANCE All calculations follow current British Standards (BS 5440-2:2023, BS 5440-1:2008, BS 6891:2015) and Gas Safety Regulations, ensuring professional accuracy and legal compliance. PROFESSIONAL VALUE Save hours on manual calculations. One comprehensive app replaces multiple calculators and reference materials. Essential for efficient site work and professional documentation. SPECIAL LAUNCH OFFER Introductory price £4.99 (regular price £6.99) One-time purchase - no subscription required No in-app purchases Free updates with new features and standards Download GasTech Calculator Pro today and transform your gas engineering workflow with the most comprehensive professional calculator app available for UK gas professionals.