KBHome Unveils ZeroHouse 2.0 Which is Both Water and Energy Efficient

KB-Home-Double-ZeroHouse-in-Dawn-Creek2

The builder KB Home just unveiled their newest project, the ZeroHouse 2.0, which is located in Los Angeles County, CA. The home is also called “Double ZeroHouse” since it is both water and energy efficient. This home is the first built by this contractor to have both net-zero energy status, and zero freshwater irrigation. According to KB Home estimates, the ZeroHouse 2.0 is capable of conserving 150,000-gallons of water per year, which is a 70% reduction compared to a typical home. ZeroHouse 2.0 is also capable of producing all the energy it needs.

In terms of water efficiency, the ZeroHouse 2.0 is equipped with an advanced water recycling system, a water recycling dishwasher, and a graywater heat recovery system. The water recycling system works by treating graywater from bathroom showers, tubs, sinks, and washing machines to near-potable quality. This water is then reused to water the garden.

The home is also fitted with a water-recycling dishwasher that consumes 33% less water than other highly-efficient dishwashers. It does this by saving water from the previous rinse cycle for use in the first pre-rinse cycle of the next load. Furthermore, the home is also equipped with a graywater heat recovery system, which extracts energy from drainwater and uses it to preheat water for the home’s tankless water heater. This also reduces the water heating costs.

ZeroHouse 2.0 collects solar energy through a SunPower solar energy system, which is capable of supplying all the energy needed, and gives the home net-zero energy status. The house is also fitted with Low-E windows, which are dual- pane and filled with Argon gas.

solar

The home also features a radiant barrier roof, which works to impede heat flow into the attic from the sun. This reduces the attic temperature and, consequently, the strain on the air conditioner in the summer. The indoor air quality is ensured via a super-efficient air ventilation and purification system, which prevents the build- up of indoor air pollutants.

In addition to this, ZeroHouse 2.0 is also equipped with a number of energy-efficient and sustainable elements. The house is equipped with Moen WaterSense–labeled faucets, toilets and showerhead, which use 30% less water than standard models. Also, only low-VOC paints and finishes were used in the building process. The home is also fitted only with EnergyStar rated appliances to further lessen the energy needs of the household.


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