Energy Efficiency

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All-in-One Insulation Panel

A WRB is laminated to a graphite polystyrene insulation panel for one-step... More

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Can you heat a home with a tankless unit?

The promising combination of hydronic forced-air heating and propane tankless... More

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Saving Water, Saving Cost

Studies detail the cost savings achieved by using IAPMO's Water Demand Calculator... More

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Living With a Heat Pump Water Heater

Two years ago, Allison Bailes swapped his old gas-fired unit with a new heat pump... More

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Hot Water Retrofit for an Old House

Most domestic water pipes are too long and too big, leading to long waits for hot... More

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Panasonic Intelli-Balance 200 ERV

Product manager for Panasonic’s IAQ division, Don West, demonstrates some of the features of their new Intelli-Balance 200 ERV for JLC. This ventilator’s multi-speed selector provides customizable supply and exhaust airflow (from 60 to 200 CFM) to create balanced, positive or negative pressure within a residential or commercial space. More

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A Practical Solar Home for a Cold Climate

A student team from the University of Colorado won the 2020 Solar Decathlon Build... More

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The Trouble With Attic Kneewalls

When a change of ceiling height or tray ceiling creates a short attic kneewall,... More

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Flash-and-Batt with T-Studs

Watch as Matt Risinger explains how he insulated walls framed with T-Studs with... More

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Controlling Humidity in a Spray-foamed Attic

Is installing a small bath fan in a conditioned attic an effective strategy for... More

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