Koto Design has teamed up with Plant Prefab to create two new incredible net-zero energy homes. Koto LivingHome 1 and Koto LivingHome 2 are modular homes that incorporate sustainable living systems of the future. Under the ethos of creating great architecture that is more sustainable, the dwellings are powerhouses of energy-efficiency, with passive elements to reduce energy demand and active systems that allow homeowners to reduce electricity consumption through an app.

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rendering of dark wood home with full-height windows and sliding glass doors

Ranging in cost from $419,000 to $830,400, the new homes are available in two modular models, Koto LivingHome 1 and Koto LivingHome 2. Both homes are designed with a Scandinavian aesthetic. With clean lines and solid materials, they are built to have strong connections with the natural world through a variety of passive and active features that also keep energy needs to a minimum.

Related: A prefabricated timber facade envelops a gorgeous glass home on a Norwegian island

rendering of open-plant interior with white lounge chairs and light wood dining table

The larger of the two homes, nicknamed Piha (Finnish for “courtyard”), spans 2,184 square feet and features a spacious courtyard that melds the interior and exterior. The second home, dubbed Yksi (Finnish for “first”), is a smaller, two-bedroom residence. Designed to be ultra-resilient to various climates, the homes can be built in virtually any landscape, from frigid mountainous regions to warm beachfront properties.

rendering of modern bedroom with large floor-to-ceiling window and a white and gray bed

Both designs count on using an abundance of natural light and air ventilation to keep the interior spaces cool and cozy without the need for artificial systems. Although most prefab homes already feature a relatively small carbon footprint, the Koto homes meet net-zero energy targets and are built with eco-friendly materials, such as recycled insulation. The designs also incorporate efficient heating and cooling systems, low-flow water fixtures and LED lighting. Koto LivingHome 1 and Koto LivingHome 2 have monitoring systems accessible via smartphone to ensure all systems are operating at maximum efficiency.

+ Koto Design

+ Plant Prefab

Images via Koto Design

rendering of dark gray home with perpendicular volumes stacked on top of each other