Five Passive Heating Strategies in Recent Spanish Architecture, From Cantabria to Mallorca

Diariodesign has assembled five passive winter-warming tactics drawn from recently completed Spanish houses, all of which reduce reliance on active heating systems. In Estudio Mínima's rehabilitation of Casa Mínima in Cantabria, triple-glazed timber windows sit at the inner plane of the original masonry wall; the resulting deep reveals capture daytime solar gain and hold it in the wall's mass as small integrated thermal collectors. Arqbag's detached house in Cervelló relies on exposed brick inside and out, whose thermal inertia works alongside the mass of the mountain itself, while a wood stove in the glazed atrium distributes heat to living areas and bedrooms. In terraced housing in Mallorca by Montis Sastre Arquitectura and DRDR Arquitectura, PVC, polyurethane and other petroleum derivatives are avoided entirely in favour of recycled cotton insulation, biomass-fired bricks and breathable lime. Casa GJ in Matadepera, by Alventosa Morell Arquitectes, uses an elevated central module with a fireplace as the home's thermal heart, feeding warmth to the other nine modules, with a staggered east-west orientation maximising winter solar capture. Slow Studio's dwelling in the Serra de l'Ordal turns a glazed central courtyard into a literal greenhouse, storing solar heat in lime-stabilised rammed earth walls of high thermal inertia. Photographs are credited to Biderbost Photo, Júlia Dubois, Lluís Bort, José Hevia and Salva López. The piece was first published on Diariodesign.