managed structural rehabilitation

NZEB building Energy and Heating Systems

Kronoterm heat pumps

Authentic Wellness, Inspired by Nature: HUUM Sauna Systems

Electric heating foils for ceiling, wall and floor

Hydronic Radiant Floor Heating

Ventilation and heat recovery systems

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

Consulting

Steico Insulation

Hemp block and board Insulation

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

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 & Spars

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

Property Health Check

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

RaaS

Robots as a Service for construction, specifically plastering, finishing, and painting.

Please be advised that, as of 2026, our primary focus has transitioned towards consultancy, NZEB (Nearly Zero Energy Buildings), and material distribution. Consequently, our application and restoration services are now reserved for internal projects, with the exception of a few very high-end bespoke projects.

Rest assured, we remain fully committed to meeting your needs. Although our internal team is currently at capacity, we are working closely with trusted specialists on our behalf. This includes Bio Reforma in Cádiz, which provides a nationwide lime-and-cork render-spraying service, as well as several highly regarded local partners in Western Asturias for restoration projects.

Should you wish to complete our contact form, we would be delighted to forward your details to the most appropriate team to assist you further.

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

Cut Hot Water Costs by 75%: ECS Brings KRONOTERM Heat Pumps to Spain

Cut Hot Water Costs by 75%: ECS Brings KRONOTERM Heat Pumps to Spain

Spain’s Energy Crisis: Why Free Solar Can’t Fix High Bills

Spain Tax Deductions 2026: Claim Eco-Renovation Refunds

Mould in Spanish Homes: Saving Lime & Clay Walls in Winter

Southern Spain’s 2026 winter has been historic. Learn how to stop mould and rising damp in traditional lime and clay homes using the 55/15 rule and desiccant dehumidifiers.

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

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

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.

Key aspects architects need to consider when designing a green building

Discover the essential factors that architects must take into account when creating sustainable and eco-friendly structures.

What is sustainable building, and how does it affect architects?

Discover the impact of sustainable building on architects in this insightful article.

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

The Breathable Building Revolution

Foundations on Clay Soil

Foundations on Clay Soil

Heating in Spain

Heating in Spain

Wall Therapy: Diathonite and Wood Fibre Make Old Masonry…

Wall Therapy: Diathonite and Wood Fibre Make Old Masonry..

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

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

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)

What is the EU green buildings plan and will it affect architects and designers?

Discover how the EU green buildings plan is set to impact architects and designers.

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.