Outdoor During the daytime, the house is completely illuminated by natural light. Other energy-efficient features come in the form of the house's super thick building envelope, radiant floor heating, and cross-ventilation.  Photo 2 of 2 in Garden by Marius Petrukaitis from Nature Reigns Supreme at a Verdant Kansas City Home

Garden

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During the daytime, the house is completely illuminated by natural light. Other energy-efficient features come in the form of the house's super thick building envelope, radiant floor heating, and cross-ventilation.