Welcome to ECS
Based in Western Asturias, ECS is a restoration company and energy consultancy specialising in complete off-grid autonomy. We transform properties and overgrown land into highly efficient, self-sustaining environments.
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Natural Restorations: We build breathable, damp-free homes using Steico structures and natural materials like cork, hemp, wood fibre, clay, and lime.
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Absolute Power Independence: We engineer 100% off-grid solar and battery arrays, avoiding grid-tied setups, whilst actively developing a private Virtual Power Plant (VPP) network.
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Nationwide Supply: We supply premium, personally tested natural building materials and off-grid hardware to constructors and self-builders across Spain.
We only supply what we use and live with ourselves, giving you the firsthand expert guidance needed to build a comfortable, fully autonomous home.
Note: Our Cadiz restoration and Cork insulation projection team have been taken over by our partner BioReforma SL.
Articles
Restoration & NZEB Consultancy
Bridging heritage preservation with Net Zero strategies.
Natural Insulation
Independent supplier of natural, vapour-permeable insulation, including Steico, von Hanf, Rockwool, and Diasen.
Energy Systems
Solar power and battery storage solutions for both grid-tied and off-grid properties.
Water Heating
KRONOTERM Ultra-Efficient Hot Water Heat Pumps.
Climate Control
E-NERGY CARBON advanced, low-energy heating solutions for year-round comfort.
Managed Restorations
Full project delivery through our trusted partners.
Specialist Groundworks
Cellar excavation and land rehabilitation for restricted access sites.
Sauna & Spas
Design and installation of bespoke, energy-efficient saunas and spars.
Property Health Check
Comprehensive pre-purchase health checks for electrical & insulation systems.
ESaaS
Off-grid power systems for your property and trade the surplus back to the network
Natural Insulation Calculator
Find the right breathable insulation for your project — sized to Spain's 2026 CTE building standards.
Wall Assembly
Climate Zone Detail
This tool is for estimation purposes only. Calculations are based on generic material properties and steady-state physics. It does not account for thermal bridges, mortar joints, or site-specific conditions. Compliance with the Spanish Technical Building Code (CTE) requires a certified project by a licensed Architect.