The stoves were monitored for four week-long intervals in January and February 1991, for a total of 24 tests. There were three Breckwell model P24FS, one Horizon Eclipse, one Horizon Destiny, and one Earth Stove TP40. This project evaluated six pellet stoves representing three major brands in Medford, Oregon. In-home performance data documenting emissions from exempt stoves and net delivered efficiencies was particularly desired. A primary goal of this project was to determine how a sample of such stoves, operated in homes, would perform compared to their certified cousins,'' which were evaluated the previous year. They therefore qualify for exemption from the emissions certification process. With a time span of 25 years, early action was found to be even more crucial than the eventual reductions in annual emissions in 2040.Pellet stoves that are considered exempt'' operate at an air-to-fuel ratio in excess of 35:1. Finally, we assessed the change in climate impact when implementing various emission reduction measures for RWC. Taking biogenic CO 2 emissions into account further highlighted this finding.
When compared with other common heating methods in Finnish detached houses, using a typical Finnish stove (masonry heater) was the least climate-friendly option. Using our selected metrics, SLCF emissions from RWC added to the warming impact of Finland's projected greenhouse gas emissions by 28% in global temperature response and by 170% in Arctic response. The results show that SLCF emissions from RWC cause a significant warming impact. In our results, the climate impacts are given as global and Arctic temperature responses caused by the studied emissions in a 25 year time span. We calculated the climate impact of the emissions using regional temperature potential metrics presented in literature. In this paper, we present projections for those emissions from 2015 to 2040. Residential wood combustion (RWC) is a major source of climate-impacting emissions, like short-lived climate forcers (SLCF) and biogenic CO 2, in Finland.
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