In 2025, Allegion completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources) and Scope 2 (indirect emissions from purchased energy).
However, Allegion has not published a category-level breakdown of its Scope 3 emissions, limiting visibility into specific value chain sources.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 24,914a | 25,095a | 26,000a | |
Total Scope 2 | ||||
Market-Based | 29,221a | 32,418a | 34,256a | |
Location-Based | 45,272a | 45,788a | 46,125a | |
Total Scope 3 | N/A | N/A | N/A | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 6.1254a | 6.6526a | 7.1217a |
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In 2025, the total operational greenhouse gas (GHG) emissions of Allegion amounted to 70,186 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Allegion decreased by 0.98%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2025, the total Scope 1 emissions of Allegion were 24,914 metric tons of CO₂ equivalent (tCO₂e).a
Since 2020, Allegion's Scope 1 emissions have increased by 1.89%, reflecting a rising long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), Allegion's Scope 1 emissions remained relatively stable, indicating that Allegion's emissions have plateaued with no significant change in its operational footprint.a
In 2025, Allegion reported Scope 2 greenhouse gas (GHG) emissions of 29,221 tCO₂e using the market-based method and 45,272 tCO₂e using the location-based method.a
Since 2020, Allegion's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 10.37%, reflecting a declining long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), Allegion's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Allegion's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Allegion reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Allegion reported Scope 1 greenhouse gas (GHG) emissions of 24,914 tCO₂e and total revenues of USD 4,067 millions. This translates into an emissions intensity of 6.13 tCO₂e per millions USD.a
In 2025, Allegion reported a Scope 1 emissions intensity of 6.13 tCO₂e per millions USD. Compared to the peer group median of 7.89, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Allegion ranked 7 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Allegion is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a