Choose a suitable roof color
Roof color greatly affects heat reflection. Studies show that dark-colored materials absorb more heat, while bright colors like white or gray can reflect sunlight better, helping to reduce the amount of heat absorbed into the house. Therefore, when changing roofs, light tones should be prioritized.
Ensure effective insulation
The insulation layer on the attic plays a role in maintaining stable temperature in the house. The ideal thickness should be about 25-35 cm. Many old houses often lack or unevenly distribute insulation layers, making the interior space hotter. Adding insulation is a cost-effective but effective solution.
Increase ventilation for the attic
In hot weather, heat easily accumulates on the attic and spreads down to the living space. It is necessary to improve ventilation by installing fans or adding vents to dissipate heat faster.
Consider heat-recalling ventilation system (HRV)
When building new or renovating, a HRV system can be installed to circulate air, bring hot air out and bring fresh air in, helping the space to always be airy.
Increase indoor air circulation
Using a fan or air conditioning system in circulating mode helps air move evenly, creating a cooler feeling. In addition, opening convection windows (North-South direction) also helps reduce heat naturally, but safety is needed.
Plant green trees around the house
Green trees, especially in the West and South directions, can shield from the sun, reduce heat radiation and contribute to cooling the living space.
Use curtains and sunglasses
Thick curtains or reflective glass help limit heat from direct sunlight into the house, thereby significantly reducing the temperature inside.
