How to Stop The Heat from Coming Through Windows in Spain

Stop the heat. If you live in Spain, you know that the sun is beautiful—but it can also make your home unbearably hot. Whether you’re in Costa Blanca, Costa del Sol, Costa Cálida, or inland areas, strong sunlight can raise indoor temperatures, increase your energy bills, and make living spaces uncomfortable. Fortunately, there are effective ways to stop heat from coming through windows without compromising your natural light or your views.

At Out of the Sun in Spain, we specialise in solutions that protect homes from heat while keeping them bright and comfortable.

Why Windows Are a Major Source of Heat And how to Stop the Heat.

Windows, especially large glass panes, are one of the main ways heat enters your home. In Spain, the combination of high-intensity sunlight, long daylight hours, and glass that is not heat-resistant can lead to:

• Rooms that feel like an oven
• Overworked air conditioning systems
• Higher electricity bills
• Faded furniture and floors due to UV exposure

Even modern homes with double-glazing can experience significant heat gain if the glass isn’t treated or protected.

Effective Methods to Stop The Heat Through Windows

Here are the most common and effective ways to reduce heat from entering your home:

1. Solar Window Film

Solar window film is one of the most practical and cost-effective solutions. This ultra-thin, transparent film is applied directly to the interior side of your windows and provides multiple benefits:

• Blocks up to 80% of solar heat
• Reduces glare without darkening your rooms
• Maintains visibility and views
• Protects furniture, flooring, and interiors from UV damage
• Lowers air conditioning costs

At Out of the Sun in Spain and Solar Window Film Spain, we install high-quality films tailored to your home’s orientation and glass type, ensuring maximum efficiency.

2. Blinds, Curtains, and Shutters

Traditional window coverings like blinds and curtains can help, but they have limitations:

• Blackout curtains block sunlight completely, but also block the view and natural light.
• Venetian blinds can reduce heat and glare but may not fully prevent heat gain.
• Exterior shutters or awnings are highly effective for blocking direct sunlight before it hits the glass.

While these options work, they often require closing off the window entirely, which reduces the enjoyment of your views and natural light.

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3. Double or Triple Glazing with Low-E Coatings

If you are building a new home or upgrading windows:

• Double or triple-glazed windows reduce heat transmission
• Low-emissivity (Low-E) coatings reflect infrared heat while letting in visible light

This solution is highly effective but usually more expensive and disruptive than adding solar window film to existing windows.

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4. Planting Trees or Using Outdoor Screens

For a natural or architectural solution:

• Trees, shrubs, and pergolas can shade windows during peak sunlight hours
• Outdoor screens or mesh reduce the heat load before it reaches the glass

While aesthetically pleasing, these solutions may not provide full coverage or immediate results.

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Why Solar Window Film Is the Best Option in Spain

Solar window film combines the benefits of all other solutions while avoiding their downsides:

• Instant reduction of heat without closing curtains or shutters
• Preserves views and natural light
• Easy to maintain
• Cost-effective compared to replacing windows or upgrading glazing

At Out of the Sun in Spain, we have helped homeowners, hotels, and offices across the Costa Blanca, Costa del Sol, and Costa Cálida reduce indoor heat, improve comfort, and save on energy bills.

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How Much Can You Save?

Installing high-quality solar window film can:

• Reduce indoor temperatures by up to 8–10°C
• Lower air conditioning costs by 20–40%
• Extend the life of furniture, flooring, and electronics by protecting them from UV damage

For businesses, hotels, and holiday rentals, this also improves guest comfort and satisfaction while reducing operational costs.

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Conclusion – Stop the Heat and get “Out of the sun in Spain” today

If you’re tired of overheating rooms, high electricity bills, and sun damage to your interiors, it’s time to take action. Stopping heat from coming through windows doesn’t have to mean sacrificing views, light, or style.

At Out of the Sun in Spain, we provide tailored solar window film solutions to protect your home or business while keeping it bright, beautiful, and energy-efficient.

📞 Contact us today to discuss your project and discover how we can make your home cooler, more comfortable, and more sustainable: +34 603 316 590 (Call or WhatsApp).