Yes! Expandify homes are designed to meet a 7+ star energy efficiency rating, incorporating: Double-glazed windows and doors , Reducing heat transfer and lowering energy consumption. High-performance insulation , 100mm thick insulated walls, underfloor insulation, and roof insulation to regulate indoor temperatures. Sealed construction , Reducing drafts and improving overall efficiency. Smart energy solutions , Homes are prepped for solar panel installations and battery storage for off-grid capability. Additional energy-saving features include LED lighting, water-efficient fixtures, and optional smart climate control systems.