HVAC

How to Meet the 2019 Title 24 MERV 13 Requirement

California’s Title 24, Part 6, update requires high-efficiency filtration and low pressure drop performance. It’s essential for builders and HVAC ...
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Six Ways Construction Is Changing

Powerful market forces are pushing the building industry toward new ways of building, sealing, and powering homes. From the editors ...
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Can Whole House Air Filters Damage HVAC Equipment?

This question came up in a recent Green Builder Media webinar on Building Science from listeners concerned about the impacts ...
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ASHRAE Releases New HVAC Applications Handbook

ASHRAE announced the release of 2019 ASHRAE Handbook—HVAC Applications. The newly published HVAC Applications volume comprised of 65 chapters covering a broad range ...
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Codewatcher Problem with ERV and HRV

The Problem with HRVs

When integrated with the HVAC system, most E/HRVs don't deliver the desired ventilation air. A new design seeks to solve ...
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IAQ Becomes More Integrated in House Systems

The solution to bad air quality is knowledge and properly addressing the problems with good design and construction methods and ...
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codewatcher hvac PERC

Comparative Analysis of Heating Systems Available

A new online course from PERC evaluates residential heating system options. The Propane Education & Research Council’s Propane Training Academy ...
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ASHRAE Announces Call for Papers

ASHRAE has announced a call for papers for its 2019 ASHRAE Annual Conference. The ASHRAE conference, to be held in Kansas ...
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Right-Sizing AC in High-Performance Homes

The HVAC has to be perfectly sized for a home to earn the label "high-performance." Some people think that the ...
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Mitsubishi Adds Two Small Ducted Indoor Models for Passive Homes

The new products come in response to a white space in the market for low-capacity, high-efficiency units suitable for small ...
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