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How to Read Manual J Reports
If you know what to look for, it’s easy to check for accuracy
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There’s More to HVAC Design Than Sizing
Yes, size matters for for designing and sizing an HVAC system, but how the conditioned air is distributed matters more
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Understanding and Measuring Mean Radiant Temperature
Mean radiant temperature, a major component of thermal comfort, is easy to measure
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Sweaty Southern Slabs
Here’s why wet concrete and stone in winter are common along the coast
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HVAC Design Requirements in the International Building Codes
A look at what the codes actually require for load calculations and duct design
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Converting Heating and Cooling Loads to Air Flow Needs
Here’s how Manual J software takes your inputs and gives you both the BTU/hour and cfm needed for each room
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Interior Waterproofing of Basement Walls
Testing waterproofing products used in foundation applications to determine how they handle hydrostatic pressure
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Is a Ventless Fireplace More Efficient Than a Condensing Furnace?
An energy conversion conundrum for building science geeks
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Advice for Getting the Most Out of Your Insulation Contract
Hint: The same amount of insulation doesn’t always give you the same R-value
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Installing Insulation With the X-Floc Ventilated Dry Injection System
A Massachusetts company claims, “We don't just do cellulose; we do it better.”
