Ductwork Instruction

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My Low Pressure-Drop, MERV-13 Filters

With indoor air quality on everyone's minds these days, installing better filters... More

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Duct Sizing
Tags: Ductwork, HVAC
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Commissioning a Ventilation System

Commissioning is not a word we hear much in residential construction, but it's a... More

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Panned Bays

Is it OK to use a joist bay for a return-air plenum in an HVAC system? More

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Installing an ERV in a Two-Family Passive House

JLC’s Coastal Connection goes on site in Boston, Mass., where Placetailor is... More

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Rookie Builder Mistakes - Part 2 - HVAC

Let’s start with some obvious mistakes that aren’t even visible to most builders... More

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Can a UV Lamp Improve Indoor Air?

UV-C light is germicidal, but how effective is it at preventing microbial... More

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HVAC Systems

A 20 minute version of my HVAC presentation to the AIA Austin Chapter in August 2013. More

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What's That Smell?

If there are bad odors in the HVAC system of a newly-built home, they are likely... More

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Q&A: Closing a House for the Winter

I have customers who wants me to build a log home that will be used seasonally, for about two months of the summer and another two months in the winter. During the rest of the year they want to leave the house closed up and unheated. We're at the edge of the Rocky Mountain Front Range in eastern British Columbia, and winter temperatures often fall to 20F. I've discouraged the clients from installing a hydronic heating system because of the difficulty of draining it twice a year (draining the domestic water will be headache enough), but what other potential problems should I be thinking about? I'm concerned that the radical swings in temperature could damage interior finishes More

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