---
title: "Flue Gas Combustion Calc - Reviews, Revenue and Downloads in Canada | Apple App Store"
description: "Tuning a boiler or furnace and need to verify combustion efficiency on the spot? Enter fuel type, flue oxygen percentage, flue temperature, ambient temperature, and CO level in ppm. Get instant readin"
---

# Flue Gas Combustion Calc — Canada
> Excess Air & Efficiency Tool

![Flue Gas Combustion Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/d8/6f/fd/d86ffdbb-ba33-afc3-81ac-a4038ed6eb68/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** $6.99
**Bundle ID:** com.sy.fluegascalc
**Store:** Apple App Store
**Country:** Canada
**Version:** 1.0.2 (released 2026-06-27)
**Original Release:** 2026-04-07
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ca/app/app/id6761745722)
**AppTail Page:** [https://apptail.io/app/flue-gas-combustion-calc-rqmz/canada](https://apptail.io/app/flue-gas-combustion-calc-rqmz/canada)

## Flue Gas Combustion Calc Description
Tuning a boiler or furnace and need to verify combustion efficiency on the spot? Enter fuel type, flue oxygen percentage, flue temperature, ambient temperature, and CO level in ppm. Get instant readings for excess air percentage, combustion efficiency, stack loss, and CO safety status with color-coded alerts.

Supports Natural Gas, Propane, Oil, and Coal fuel types.

WHAT IT CALCULATES:
- Excess air percentage from flue O2 reading
- Net stack temperature (flue minus ambient)
- Stack loss percentage
- Combustion efficiency percentage
- CO safety status: Good (green), Marginal (yellow), Dangerous (red)

KEY FEATURES:
- Four fuel types built in
- Color-coded CO safety alert
- Instant results as you adjust inputs
- Clean, field-friendly interface
- Works completely offline
- No account or login required

Built for boiler technicians, HVAC service professionals, and combustion engineers who need quick efficiency checks during tuning and commissioning.

## Flue Gas Combustion Calc Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/47/60/41/47604146-63fc-4cee-0332-a52c387d91d3/screenshot_iphone_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/75/02/d7/7502d728-15d6-31cb-40de-927c1b48485f/screenshot_iphone_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8c/6f/28/8c6f2824-c652-5d9e-d229-d2481f28c36d/screenshot_iphone_3.jpg/1284x2778.png)







## Flue Gas Combustion Calc Available In
- [Canada](https://apptail.io/app/flue-gas-combustion-calc-rqmz/canada)
- [France](https://apptail.io/app/flue-gas-combustion-calc-rqmz/france)
- [New Zealand](https://apptail.io/app/flue-gas-combustion-calc-rqmz/new-zealand)
- [Romania](https://apptail.io/app/flue-gas-combustion-calc-rqmz/romania)
- [United States](https://apptail.io/app/flue-gas-combustion-calc-rqmz/united-states)

---

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