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June 13, 2026

Linking House Characteristics and Owner Perceptions to Measured Methane Emissions in California Homes with Natural Gas

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Authors

BSBijay SharmaWCWanyu R. ChanWDWilliam Delp

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Overview

Randomized trial assesses methane emissions in homes with gas appliances, suggesting links to house age and occupant perceptions.

Key Points

  • The study aims to analyze the relationship between methane emissions from natural gas appliances and homeowner perceptions in California homes.
  • Conducted methane measurements in 61 homes with natural gas appliances.
  • Surveyed occupants to understand their usage patterns and perceptions of gas appliances.
  • Analyzed data focusing on whole house quiescent leaks and cooking appliance emissions.
  • No significant gas leaks or combustion safety issues observed; 20% of occupants reported smelling gas inside their homes.
  • Higher percentages of occupants needing appliance replacements were found in homes built pre-1980.
  • Associations found between higher quiescent leaks and older homes with crawlspaces.

Cite This Study

Sharma et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf688faef96ed7f058406https://doi.org/10.1051/e3sconf/202671604043/pdf
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