In 2024, Rinnai 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), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Rinnai has also provided a category-level breakdown for 9 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2024 | 2023 | 2022 | 2021-2019 |
|---|---|---|---|---|
Total Scope 1 | 34,320a | 36,437a | 35,941a | |
Total Scope 2 | ||||
Market-Based | 63,502a | 69,243a | 67,987a | |
Location-Based | 64,457a | 68,163a | 68,563a | |
Total Scope 3 | 13,143,283a | 15,803,008a | 9,792,150a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 12.0818a | 11.4137a | 11.9763a |
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In 2024, the total operational greenhouse gas (GHG) emissions of Rinnai amounted to 98,777 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 2023, the total operational greenhouse gas (GHG) emissions of Rinnai decreased by 5.57%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2024, the total Scope 1 emissions of Rinnai were 34,320 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Rinnai's Scope 1 emissions have decreased by 14.74%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year (2023), Rinnai's Scope 1 emissions decreased by 5.81%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2024, Rinnai reported Scope 2 greenhouse gas (GHG) emissions of 63,502 tCO₂e using the market-based method and 64,457 tCO₂e using the location-based method.a
Since 2019, Rinnai's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 15.77%, reflecting a declining long-term trend in Scope 2 emissions over time.ab
Compared to the previous year (2023), Rinnai's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Rinnai's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2024, Rinnai reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2024, Rinnai reported 13,143,283 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2024 disclosure of Rinnai includes a breakdown across 9 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2023, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2024, Rinnai reported total Scope 3 emissions of 13,143,283 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 8.06% of these emissions originated from upstream activities such as purchased goods and capital goods, while 91.94% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Rinnai's Scope 3 emissions have increased by 11.97%, reflecting a rising long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2023), Rinnai's Scope 3 emissions decreased by 16.83%, highlighting the company's efforts to lower indirect emissions from its value chain.a
In 2024, Rinnai reported emissions for 9 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
In 2024, the largest contributors to Rinnai's Scope 3 emissions were:a
In 2024, Rinnai reported Scope 1 greenhouse gas (GHG) emissions of 34,320 tCO₂e and total revenues of USD 2,841 millions. This translates into an emissions intensity of 12.08 tCO₂e per millions USD.a
In 2024, Rinnai reported a Scope 1 emissions intensity of 12.08 tCO₂e per millions USD. Compared to the peer group median of 7.75, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2024, Rinnai ranked 18 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Rinnai is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2024, Rinnai reported a total carbon footprint of 13,242,060 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 16.76% decrease compared to 2023, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to Rinnai's total carbon footprint was Scope 3 emissions, accounting for 99.25% of the company's total carbon footprint, followed by Scope 2 emissions at 0.49%.a