Boiler Efficiency & Fuel
BTU Stack Loss Annual Cost
$4.99 · Designed for iPad. Not verified for macOS.
Also Included In
BoilerEfficiency Calc - professional calculator.
Are you burning more fuel than you should? High stack loss means wasted money and excess emissions. This calculator shows exactly what your boiler costs to run and where efficiency is lost.
Enter boiler output in HP or MBH, fuel type (natural gas, propane, fuel oil, coal), fuel cost, and thermal efficiency. Calculates input BTU per hour, fuel consumption rate, annual fuel usage, annual operating cost, and stack loss percentage.
FUEL TYPES SUPPORTED:
- Natural gas (100,000 BTU/therm)
- Propane (91,500 BTU/gal)
- Fuel oil #2 (140,000 BTU/gal)
- Coal (12,000 BTU/lb)
KEY FEATURES:
- Annual operating cost projection
- Stack loss percentage
- Fuel consumption rate
- Works completely offline
- No account or login required
Built for boiler operators, facility managers, and HVAC engineers.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Added a More Pro Tools section to discover related field calculators.
The developer, Shanghai Sheyuan Network Technology Co., Ltd., 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shanghai Sheyuan Network Technology Co., Ltd.
- Size
- 1 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Sheyuan Inc.
