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The average salary for mechanical insulation estimator jobs is $64,000. Average mechanical insulation estimator salaries can vary greatly due to company, location, industry, experience and benefits.
For the most part, however, you'll be looking at paying about $1,300 to $2,000 total for the entire job. The R-value is a somewhat complicated calculation, but all you need to know is what R-value you need, based on where you live and what type of space you are insulating, and choose a type of insulation accordingly.