Issue 299 – June 2021
Features
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All About HVAC
Choosing heating, cooling, and ventilation systems can be complicated. Here's an overview of common options and things you need to consider to make smart selections.
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Crawlspaces That Work
To avoid moisture problems, either seal and condition your crawlspace or isolate the space from the rest of the house.
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A Trombe Wall Solution for Passive-Solar Storage
Learn how a massive concrete wall collects and stores solar energy through a bank of specially placed windows to help heat this Michigan home.
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The Fine Homebuilding Interview: Christine Williamson
This forensic building scientist demystifies her discipline for architects and construction professionals.
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Dedicated Dehumidification
To control indoor humidity, consider a stand-alone system separate from your HVAC system.
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A Better Way to Demo
Portland, Ore., provides a model for deconstructing houses that is better for people, the planet, and profit.
Know the Code
Energy Smart Details
Tools & Gear
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The Diagnostic Benefits of Smart ThermostatsMore than just convenient home tech, these devices also provide invaluable troubleshooting data for HVAC installers and servicepeople.
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Manometers: Essential Home-Energy Testing EquipmentDigital air-pressure measuring devices are the primary tools used by energy raters to test home airtightness, duct leakage, and other important building diagnostics.
HOUSES by Design
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Fire-Ready and Nontoxic Modern RanchThis solar-powered ranch was designed to meet local fire-resistance requirements, including noncombustible roofs and siding with reduced flammability.
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Retrofitting One Wall at a TimeA retrofit to meet the Passive House standard means upgrading windows, walls, and insulation.
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Flood-Ready Passive HouseThis deep-energy retrofit is the first certified Passive House and net-positive residence in Cold Spring, N.Y.
Spec
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Vapor-Permeable Flashing TapeNew water-resistive ZIP System Flashing Tape from Huber ups the ante for moisture control.
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Sized-Up Electric Heat PumpThe Mitsubuishi SUZ Universal Outdoor Unit with Hyper-Heating INVERTER technology (H2i) comes in three new capacities to meet the need for larger spaces.
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Site-Built Portal Frame SolutionThe Strong-Wall Site-Built Portal Frame System from Simpson allows framers to build their own portal frame to code in as little as 9-1⁄4 in. of wall width.
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Airy and Bright SkylightsAwaken Skylight Windows from Marvin offer comfort, ease, and energy efficiency.
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XPS Insulation With a Lower Climate ImpactOwens Corning introduces Foamular NGX—an updated rigid-foam option with reduced contribution to global warming.
