Located on a quiet corner lot in desirable Carnelian Bay, this energy-efficient 3 bed, 2.5 bath mountain-modern home features a rare Passive Solar Envelope system and hydronic in-floor radiant heat for year-round comfort with minimal energy use. Recently updated throughout, the home offers new luxury vinyl flooring, fresh interior/exterior paint, and vaulted ceilings with upgraded insulation. The remodeled kitchen showcases quartzite countertops and opens to a bright living room with large windows and a cozy wood-burning fireplace. Two bedrooms are located downstairs, while the spacious upstairs primary suite offers lake and forest peeks, new carpet, a walk-in closet plus lockable seasonal closet, and a renovated bath with soaking tub and double sinks. A split-level bonus room above the garage is perfect for an office, gym, guest space, or a second family entertainment area. Outside, enjoy a large deck, private hot tub, and direct access to nearby hiking trails. Additional features include a 2-car garage, central vacuum system, three in-wall safes, and ample storage. This turnkey home offers the perfect blend of privacy, comfort, and sustainable design in the heart of Lake Tahoe.