Endless possibilities with this unique listing including a lovely existing energy efficient home on a 7 acre lot and a separate almost 5 acre buildable lot! With 5 Harmony you will discover privacy, space, comfort, and future potential in this ~2,500 sq ft home on 7 acres AND with the addition of 6 Harmony, a ~5 acre buildable lot, whether you envision a guest house, investment property, or future development - you have many options! Built with sustainability in mind, this thoughtfully designed ''green'' home features an ICF foundation, geo-thermal HVAC system, solar panels, and a large battery with a dedicated ''critical loads'' electrical panel - ensuring you're never without power or modern comforts. Offering 3+ bedrooms, 2½ bathrooms, and a spacious bonus room, the home provides flexible living options. The open-concept living area is filled with natural light and showcases peaceful views of the surrounding landscape. The kitchen boasts generous counter space, ample storage, and flows seamlessly into the dining and living areas - perfect for both everyday living and entertaining. The spacious primary suite includes an en-suite bath and abundant closet space, while two additional bedrooms provide comfort for all. A large bonus room offers endless possibilities as a 4th bedroom, home office, gym, playroom, or creative studio. Outside, enjoy the peace and versatility of over twelve acres of sprawling land - ideal for gardening, recreation, or future expansion. The included additional buildable lot enhances the property's long-term value and flexibility. A large shed provides ample storage for all your outdoor equipment and recreational ''toys.'' Ideally located in desirable Falmouth, just minutes from Town Landing, Portland, Freeport, popular attractions, shopping, I-295, and local major hospitals, this truly is a rare opportunity to enjoy country living with room to grow - today and for years to come.