This article is based on Ross Trethewey’s energy comparison sheet for fuels at select efficiencies and costs. All tables and their respective data belong to him. Ross Trethewey is the founder and lead engineer of TE2 Engineering and has served as the Home Technology Expert on “This Old House.” You can find a PDF file […]

When I started in the trade, the idea of flowing nitrogen while brazing was nothing more than the punchline of a joke. Like pulling a vacuum with a micron gauge or proper recovery, it was a wink and nod proposition rather than a real practice. I've had to unlearn many bad habits since those early […]

These are two separate emails that I sent to our customers and staff in preparation for what could be a very hot Memorial Day weekend (2019). I'm sharing it here so that you can use parts of it in your business as you see fit. I hate seeing techs get beat up on hot holiday […]