Earth Sheltered Design (2024)

Earth-sheltered design employs the earth as a major component of a building’s thermal control system. A house that is surrounded (completely or partially) by earth that stays at a steady 55-60° temperature year round requires less heating in the winter and less cooling in the summer. For comparison, a house that is exposed to 20° winter air needs to be heated 50° to be a comfortable 70°, while a house exposed to 55° earth only needs to be heated 15° to reach that same comfortable 70°.

In general, earth sheltered houses are less susceptible to changes in outside air temperature, so inside temperatures remain relatively constant. Earth sheltered design can also offer other benefits, including reduced noise, lower impact on the landscape, and less vulnerability to high wind, hailstorms, and other extreme weather.

Earth Sheltered Design (1)

One large challenge to constructing an earth sheltered building is water – all earth sheltered buildings must have extra precautions against moisture problems. Some sites are not suitable for earth sheltered design due to high water tables or low permeability soils. Earth sheltered buildings must also be designed to resist the pressure of placed on walls by the surrounding earth.

There are two basic types of earth-sheltered houses: underground and bermed (or banked with earth). The difference is in the degree to which the house is buried in or surrounded by earth. Bermed houses, which are partially surrounded by earth, are much more common than fully underground houses.

Earth Sheltered Design (2024)

FAQs

What is the earth sheltered design? ›

Earth sheltering is the architectural practice of using earth against building walls for external thermal mass, to reduce heat loss, and to easily maintain a steady indoor air temperature.

How is an earth-sheltered house unlike most houses iReady? ›

Earth sheltered homes are built with soil or vegetation surrounding the walls or buried completely underground. Earth sheltered homes are ideal for homeowners who are looking for sustainable living quarters that withstand weather conditions better than typical homes.

Are earth-sheltered homes cheaper to build? ›

The principal downsides to earth-sheltered houses are the initial cost of construction, which can be up to 20% more than a conventional house, and the increased level of care required to avoid moisture problems, both during construction and over the life of the house.

What are the three types of earth sheltering? ›

Earth Sheltered Homes are constructed in three basic methods or styles: the Berm, the Atrium, and the Elevational style.

What are the benefits of earth-sheltered homes? ›

Earth sheltered design can also offer other benefits, including reduced noise, lower impact on the landscape, and less vulnerability to high wind, hailstorms, and other extreme weather. This bermed house in California also shows elements of passive solar design.

Are earth-sheltered homes tornado proof? ›

An Earth Sheltered home keeps your family safe from hail, tornadoes, hurricanes, etc.

How long do earth homes last? ›

Constructed of concrete and steel, Earth Sheltered homes will last well over 100 years, maybe a thousand! This means much less expense, fewer headaches, and more enjoyable weekends!

What is one benefit of earth-sheltered homes according to the passage? ›

An earth-sheltered house is built below grade or completely underground. These homes are less susceptible to the impact of extreme outdoor air temperatures than a conventional house. Earth-sheltered houses also require less outside maintenance, and the earth surrounding the house provides soundproofing.

How do earth-sheltered homes keep the countryside green and beautiful? ›

Final answer: Earth-sheltered homes help keep the countryside green by blending into the landscape, using natural insulation, reducing the carbon footprint, supporting biodiversity, and using locally sourced materials.

Can you build a house inside a mountain? ›

Using stilts or other innovative, nonintrusive foundation construction techniques is just one example of how you can build a home into a mountain while maintaining the integrity of the natural surroundings.

Can you build a home underground? ›

These homes are built by excavating the ground, into which posts are driven. Shoring boards are then fixed between the posts and the earth, and polyethylene plastic sheets (for waterproofing) placed behind the shoring.

How long will an Earthbag home last? ›

Earthbag homes will last more than 100 years, provided they are protected from rain and water. Waterproofing the walls with plasters like stucco is essential for prolonging the lifespan of an earthbag home.

What is the cheapest form of house to build? ›

FAQs about the cheapest type of house to build

On a per-square-foot basis, pole barn houses and barndominiums are the most affordable at around $50 to $160 per square foot. Other inexpensive home types include modular homes, tiny homes, shipping container homes, and standard one-story ranch homes.

What is the difference between earth sheltering and earth berming? ›

Earth sheltering is a more extreme version of earth berming, where the north side (and perhaps the east and west sides) of the house is buried more extensively, often right up to the roof.

What is the meaning of earth dwellings? ›

An earth shelter, also called an earth house, earth bermed house, or underground house, is a structure (usually a house) with earth (soil) against the walls, on the roof, or that is entirely buried underground. An earth sheltered house in Switzerland (Peter Vetsch)

What are the characteristics of earth style homes? ›

Earth homes: Earth-sheltered homes are partially or fully covered with earth. They use the natural insulating properties of the soil to maintain a consistent indoor temperature, reducing the need for heating and cooling. They can be built in various styles, including bermed, in-hill, and fully underground designs.

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