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🦟 Why Are There So Many Mosquitoes in My House Even When Everything Is Closed?


You’ve shut all the doors and windows, yet mosquitoes keep showing up in your house — why? It’s a common and frustrating mystery for many homeowners, especially during Karachi’s warmer months. The reality is, mosquitoes are experts at sneaking in and breeding in hidden places, and closing doors alone isn’t always enough.


🔍 How Do Mosquitoes Enter Even When Everything Is Closed?

1. Tiny Gaps and Cracks

Mosquitoes can enter through tiny openings in doors, window frames, ventilation holes, and even under doors. Any gap larger than 1/8 inch is a welcome gate for them.

2. Openings in Exhaust Fans, Drains, or AC Units

They may enter through bathroom exhausts, AC vents, floor drains, or gaps around plumbing. If there’s no mosquito netting or cover, it’s an easy way in.

3. They’re Already Inside

If you've left a door or window open even for a few minutes during the evening, mosquitoes might have entered and stayed hidden. They often hide in dark corners, curtains, behind furniture, or near potted plants.

4. Indoor Breeding Grounds

Mosquitoes don’t always come from outside — stagnant water inside your home can create perfect breeding spots. Common sources:

  • Water trays under potted plants

  • Open water tanks or buckets

  • Leaky pipes or AC drain trays

  • Bathroom floors with standing water


⚠️ Why It’s a Health Risk

Besides being annoying, mosquitoes are dangerous disease carriers. In Karachi, they commonly spread:

  • Dengue

  • Malaria

  • Chikungunya

  • Zika virus

If you’re getting frequent bites inside your home, you may be at serious health risk — especially children and the elderly.


✅ What Can You Do?

Basic Prevention Tips:

  • Install fine mesh screens on windows and vents

  • Use mosquito repellents and electric zappers indoors

  • Cover all drains and seal small gaps in walls and doors

  • Empty standing water daily (including plant trays and buckets)

  • Burn mosquito coils or use vaporizers during peak evening hours

🛑 Still Seeing Mosquitoes?

Then it’s time to bring in the experts. DIY methods can reduce mosquitoes temporarily, but only professional treatment can break their life cycle and keep them away for good.


📍 Get Expert Mosquito Control in Karachi

For fast, safe, and long-lasting mosquito treatment, trust the professionals at:

👉 Pest Control Karachi – Mosquito Control Service

They use environmentally safe fogging, indoor spray treatments, and larvicides to eliminate mosquitoes at every stage — protecting your home, office, school, or clinic from bites and disease.


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