Kronoterm heat pumps

Solid Wall Natural Insulation for Acoustic, Thermal, and Moisture Control

Steico Insulation

Hemp block and board Insulation

Restricted Access Excavations

Land rehabilitation

Automation

At ECS, we bridge the gap between historic preservation and 21st-century performance. We are specialists working with numerous architects and clients, providing expertise on restorations that respect the original fabric of heritage buildings. We utilise high-performance, vapour-permeable systems to ensure structures remain warm, dry, and resilient for generations to come.

ECS is also a nationwide distributor of premium materials for heritage-sympathetic and NZEB (Nearly Zero Energy Building) restorations; we handle the technical complexities on your behalf. From supplying industry-leading insulation brands such as Steico, Rockwool, VonHanf, and Diasen to delivering NZEB-compliant solar energy and storage, heating and hot water systems for seamless thermal upgrades and structural rehabilitation nationwide.

Restoration & NZEB Consultancy

Bridging heritage preservation with Net Zero strategies.

Natural Insulation

Spain's largest independent supplier of natural vapour-permeable insulation

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

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 & Spars

Design and installation of bespoke, energy-efficient saunas and spars.

Property Health Check

Comprehensive pre-purchase health checks for electrical & insulation systems.

Education

Professional training in sustainable building practices.

Articles

Heating in Spain

Heating in Spain

Understanding Carbon Fleece Heating and Phase-Change Hot Water

Understanding Carbon Fleece Heating and Phase-Change Hot Water

The Ultimate Eco-Envelope: Sprayed Hemp, Cork Upgrades, and Clay Finishes

The Ultimate Eco-Envelope: Sprayed Hemp, Cork Upgrades, and Clay Finishes

The Breathable Building Revolution: Why Steico, Diathonite, and Hemp are Winning

The Breathable Building Revolution

The “Lazy Architect” Trap

The “Lazy Architect” Trap

Europe’s property market is like a landlord with a hangover

Europe’s property market is like a landlord with a hangover

From Charming Ruins to Energy Fails: Why Spain’s Old Houses Are Becoming Unsellable Bricks

From Charming Ruins to Energy Fails: Why Spain’s Old Houses Are Becoming Unsellable Bricks

Steico Insulation

Natural Insulation

Radon Gas

Radon

Dealing with Brownouts in Rural Spain? How to Protect Your Property

Tired of flickering lights and power cuts in the Spanish countryside? Learn why “fin de línea” properties experience brownouts and how solar backup systems provide seamless protection.

The “Ghosting” Problem: How We Found 736 Responsive Architects in Spain (So You Don’t Have To)

The “Ghosting” Problem: How We Found 736 Responsive Architects in Spain (So You Don’t Have To)

The New Reality: Energy Status = Rental License

The New Reality: Energy Status = Rental License

Dry underfloor heating system

ceramic shock

The 2026 Guide to Renovation Grants in Spain: A “Use It or Lose It” Opportunity

2026 Guide to Renovation Grants in Spain

Domestic Wind: Why We Are Sticking with Solar

Energy Sovereignty in Spain: The New Standard for Residential Autonomy

Energy Sovereignty in Spain: The New Standard for Residential Autonomy

Energy Sovereignty in Spain: The New Standard for Residential Autonomy

The skin and bones of your home

The skin and bones of your home

Planning a renovation in Spain in 2026? You need to know the 25% Rule.

The 2026 Spanish Renovation Guide: CTE Standards & Risks

New Life for Old Stones: Converting a Mountain Stable into a Home

New Life for Old Stones: Converting a Mountain Stable into a Home

Under the Skin: An Exclusive Look at Our Historic Retrofit

Under the Skin: An Exclusive Look at Our Historic Retrofit

The “Free” Insulation Trap: Why Modern Grants Can Ruin Historic Spanish Homes

The “Free” Insulation Trap

From Damp Walls to Dry Homes: Unmasking the True Causes of Damp

From Damp Walls to Dry Homes: Unmasking the True Causes of Damp

The “Lazy Architect” Trap

The “Lazy Architect” Trap

The skin and bones of your home

The skin and bones of your home

Factors that contribute to high maintenance costs on historic buildings

Discover the key factors that drive up maintenance costs for historic buildings in this insightful article.

From Charming Ruins to Energy Fails: Why Spain’s Old Houses Are Becoming Unsellable Bricks

From Charming Ruins to Energy Fails: Why Spain’s Old Houses Are Becoming Unsellable Bricks

Why are architects designing green buildings, and why is it important for their clients?

Discover the crucial reasons why architects are increasingly prioritizing green building designs and why it’s essential for their clients.

How natural internal wall renders such as clay, lime and cork increase the living comfort

Discover how natural internal wall renders like clay, lime, and cork can enhance your living comfort.

Steico Insulation

Natural Insulation

Dry underfloor heating system

ceramic shock

The Breathable Building Revolution: Why Steico, Diathonite, and Hemp are Winning

The Breathable Building Revolution

Effective traditional methods employed in preventing rising damp

Effective traditional methods employed in preventing rising damp

The Ultimate Eco-Envelope: Sprayed Hemp, Cork Upgrades, and Clay Finishes

The Ultimate Eco-Envelope: Sprayed Hemp, Cork Upgrades, and Clay Finishes

ECS Insulation Calculator

ECS Insulation Calculator

Spain 2026 CTE Building Standard Compliance

1. Project Location
Select a location to determine CTE Climate Zone.
2. Existing Wall / Structure
3. Insulation Layer
4. Finish / Extra Layer (Optional)
Your U-Value 0.00 W/m²K
Max Limit (2026) 0.00 Target for Zone
Heat Loss Estimate: 0 W/m²
(Assuming 20°C temp difference)
Disclaimer: This tool is provided by ECS 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 specific site conditions. Compliance with the Spanish Technical Building Code (CTE) requires a certified project by a licensed Architect.