Unit Converter HVAC
8 Categories of HVAC Units
$0.99 · In‑App Purchases · Designed for iPad. Not verified for macOS.
Unit Converter HVAC - professional NEC calculator for electricians. Offline, permit-ready.
HVAC Unit Converter Pro helps HVAC technicians, engineers, refrigeration mechanics, and contractors convert between units instantly. Convert between all common air conditioning and refrigeration units instantly across 8 categories and 40+ unit types - eliminating calculation errors on job sites.
8 CONVERSION CATEGORIES:
Temperature - °F, °C, K, °R (Rankine) for climate zones and equipment specs
Pressure - PSI, kPa, bar, in. Hg, mm Hg, atm, Pa, in. w.c. (static pressure), microns (vacuum) for gauges and evacuation
Energy & Heat - BTU, kJ, kcal, Wh, therm for load calculations
Airflow (CFM) - CFM, L/s, m³/h, m³/s, m³/min for ductwork and ventilation
Length & Duct - in, ft, mm, cm, m for duct sizing and pipe runs
Area Calculations - ft², m², in² for room dimensions and surface area
Volume & Capacity - gal, L, ft³, m³ for tank and system volumes
Power & Output - BTU/h, W, kW, ton (refrigeration), hp, kcal/h for equipment ratings
SMART FEATURES:
Instant Conversion - Results update as you type, no button press needed
Bidirectional Conversion - One tap to reverse conversion direction instantly
Swap Units - Toggle between any unit pair in the same category
Works 100% Offline - Field calculations without internet connection
Accuracy Verified - Professional-grade precision for system design
English & Spanish Support - Bilingual interface for diverse teams
WHY HVAC PROFESSIONALS USE THIS APP:
Eliminates manual conversion errors that cause mistakes
Faster unit calculations than reference tables and charts
Cross-checks between imperial and metric systems instantly
Prevents equipment sizing errors from unit mistakes
Works on every job site without cellular connection
Dark theme prevents eye strain during outdoor work
CONVERSION EXAMPLES HVAC TECHS USE DAILY:
PSI to kPa for pressure readings on gauge conversions
BTU to kW for international equipment specifications
CFM to m³/s for ductwork design in metric regions
°F to °C for climate zone design temperature conversions
Tons to kW for heat pump capacity documentation
BTU/h to watts for electrical load calculations
PERFECT FOR:
HVAC technicians on air conditioning service calls
HVAC field technicians calculating refrigeration requirements
Refrigeration mechanics sizing refrigerant lines
AC contractors preparing equipment specifications
HVAC design engineers in international projects
HVAC apprentices learning unit conversions
Building maintenance engineers managing equipment
Commercial HVAC system commissioning work
A tool trusted by HVAC technician teams nationwide.
Part of HVACTools Suite - the complete HVAC technician and refrigeration calculator app collection for field diagnostics and system design.
OPTIONAL PRO UPGRADE — $2.99 ONE-TIME IN-APP PURCHASE
The following features require a separate one-time in-app purchase. They are not required to use the calculator:
• Unlimited saved calculation history
• PDF export of results
• Dark theme
• Ad-free experience
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What's new:
- Added HVAC field units: in. w.c. (static pressure) and microns (evacuation vacuum) to Pressure
- Added m3/min to Airflow and kcal/h to Power - now 41 units across 8 categories
- All conversion factors covered by reference-anchor tests
The developer, Rizvan Adzhoian, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Rizvan Adzhoian
- Size
- 35.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Contains
Advertising
- In-App Purchases
Yes
- Pro Unlock $2.99
- Copyright
- © 2026 Rizvan Adzhoian