Randy Williams

Randy Williams started his career in 1996 as an apprentice electrician, becoming a licensed journeyman in 2000. After building a home for a family member in 1999, he eventually changing to full time builder in the mid 2000s. In 2009, Randy took energy auditor training and began contracting for a local rural electricity provider conducting energy audits and assessments. Today he continues with energy auditing and assessments along with code compliant blower door testing and residential building diagnostics. He also works with homeowners and builders as an energy design consultant.  He has started a local building science group, BS + Beer in his community and writes a blog, www.northernbuilt.pro. You can follow Randy on Instagram @northernbuiltpro.

Recent Articles

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  Building Science

  Performing an Energy Assessment: A Case Study

  This often-free service is invaluable when it comes to rooting out sources of extraneous energy usage

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  Building Science

  Using a Blower-Door Test and Interpreting the Results

  An introduction to the technology and calculations for measuring a home’s energy performance

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  Building Science

  5 Reasons to Own a Blower Door

  A means for diversifying your skill set, toolbox, and income stream

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  Building Science

  Wingnut Blower-Door Testing

  The amount of air leakage allowed by code is an informational eye-opener

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  Building Science

  Using a Blower Door for Zonal-Pressure Testing 

  By now, most of us working in the green-building industry know what a blower door is. It’s a tool to measure the air tightness of a house. I’ve owned my…

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  Building Science

  Cold-Climate Attic Air-Sealing

  A Minnesota builder's method for ensuring a continuous air/vapor control layer

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  Green Building Blog

  Straightforward Air Sealing Strategies

  Follow these simple steps to get ready for code-required blower door testing and you'll probably do better than the code requires

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  Green Building Blog

  Keeping Ducts Where They Belong

  With slab-on-grade construction growing in popularity, it's increasingly difficult to determine how to run ducts for heating and cooling