Building science research for working contractors
Building science research for working contractors
NFPA incident data on residential construction fires: hot work, temporary wiring, and combustible storage account for 80% of losses. Prevention costs less than a day’s labor.
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Five years of field data from Minnesota, Vermont, and Maine show cold-climate heat pumps maintaining 95% rated capacity at 5°F. The “they don’t work in the cold” argument is over.
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A ten-year study of workers’ comp claims across 2,000 residential contractors found a consistent 4:1 return on safety training investment. The carriers already know this. Most contractors don’t.
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Research on construction cost overruns points to three systematic errors. All of them are fixable before the next bid goes out.
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