How to Prevent Insects From Entering When the Window Is Open?

During summer, insects can become our worst enemies when the heat reaches its peak. Although their presence benefits our gardens, they become a nuisance when they enter our homes. This is why it is necessary to take strict measures on the subject. This article will offer simple, effective, and inexpensive tips to prevent insects from invading your home when the windows are open.

Tip #1: Install a Small-Mesh Screen

A small-mesh screen is a robust wire mesh with tiny holes. They are placed over your windows. This is one of the most practical methods of keeping insects out of your home.

They exist in different types:


It should be noted that some of these screens require the intervention of professionals in their installation, but most models on the market can be installed without assistance.

Tip #2: Use Insect Repellents

You can also opt to use chemical insecticide sprays or aerosols. But the result can be disappointing.

Indeed, if they work in closed and/or small rooms, their effectiveness is limited in a large room.

Obviously, electric insecticides are the most recommended for summer nights. They prevent mosquitoes and other flying insects from sneaking into homes, providing better protection.

Good to know: eco-friendly insect repellents are available in liquid, pill, and ultrasonic forms.

Tip #3: Place Plants on Windows

Planting aromatic herbs on your windows will have the advantage of keeping insects away. For this, you can choose between:

– Tansy

Tansy is the perfect repellent plant to keep as many insects away as possible! To keep mosquitoes away, rub the plant on your ankles and wrists. On the other hand, to repel ants, place fresh bunches in their path.

– Lemongrass

The ideal plant to scare away flies, mosquitoes, gnats, and wasps. Chop a few fresh lemongrass leaves and place them on the windowsill.
Alternatively, apply a drop of lemongrass essential oil to the wrists.

– Basil

Basil is a popular agricultural repellent, but most insects, especially flies, mosquitoes, and ants, can’t stand it. Place it on windowsills for greater effectiveness.

– Scented Pelargonium

Also known as scented geranium, this is a great way to repel mosquitoes, flies, and wasps. Rub the leaves on your wrists or grow them on windowsills.

– Lemon balm

With its lemony scent, lemon balm has a strong odor that dramatically keeps mosquitoes and ants away. Place small fresh bunches in strategic locations.

Tip #4: Turn off Light Bulbs at Night

LED bulbs emit a specific light that attracts certain insects. These bulbs emit ultraviolet radiation that spreads faster than the light produced by discharge lamps.

Houseflies are particularly attracted to UV-A radiation, as their eyes are more sensitive to it. But for some insects, an intense light source could be perceived as a beacon, a safe place. These same insects are instinctively attracted to light sources that are usually placed high up, to avoid the slightest risk of danger that awaits them on the ground.

This is why it is best to turn them off at night.

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