Climate and Insulation: How to Choose Materials Based on Your Environment
When building or renovating an energy-efficient home, the local climate is a key factor. It is not enough to choose quality materials. You need to understand how and where to use them, and how they interact with the weather conditions around them.
In this post, we explain why insulation should be adapted to the climate and which materials and orientations are best suited to each case.
Cold and humid climates: preserving heat and blocking moisture
In regions with low temperatures and high humidity, such as northern Spain, the main goal is to retain indoor heat and keep moisture out.
🔸Recommended material:
- Wood, an excellent thermal and acoustic insulator (up to 15 times better than concrete).
- Ideal for walls, windows and solid doors.
🔸Complementary solution:
- Double or triple glazed windows with airtight seals.
- South-facing orientation to maximize sunlight during winter.

Warm or Mediterranean climates: keeping interiors cool
In areas like the Costa Blanca, where summers are hot and dry, insulation should focus on limiting heat gain.
🔸 Recommended material:
- Natural stone, with high thermal mass, helps maintain cooler indoor temperatures.
- Ventilated facades and reflective roof insulation also work well.
🔸 Complementary solution:
- Southeast-facing orientation captures morning sun and avoids peak heat in the afternoon.
- Shading elements such as porches, shutters or lattice screens are also useful.
Every project requires a tailored approach
While these tips are helpful as a starting point, every building is different. To achieve truly effective insulation, it is essential to:
- Study the climate zone
- Analyze the solar orientation of the plot
- Consider the use of the space (main residence, office, seasonal rental, etc.)
At Bersife, we carry out a detailed study for every project to select the most suitable materials and solutions, always with a sustainable, efficient and site-specific approach.
Are you planning to build or renovate and unsure which type of insulation is right for you?
Tell us about your project and we will help you find the perfect solution for your climate and lifestyle.
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