How a modern home can cost under $1,000 to heat annually

Building Energy Efficiency | This Old House · 5:21 · Video: This Old House · Watch at the source

In short: Explore the advanced construction techniques used in a new Idea House to achieve extreme energy efficiency. This tour reveals how specific building choices can drastically lower utility costs compared to traditional homes.

Builder Dan Gainsboro demonstrates how a house in Devens, MA, utilizes 2x6 walls with insulated panel sheathing to create a water and air-tight shield. Key features include triple-glazed windows, insulated headers, and flashing tape on all window openings. These methods, combined with Energy Star appliances and LED lighting, contribute to a heating season cost of $1,000 or less.

The home replaces traditional mechanical rooms with mini-split heat pumps and incorporates solar panels on a south-facing garage roof. On sunny days, these panels can generate enough electricity to power the entire house for a family of four.

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