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7 Best Bug Zappers for Indoors and Outdoors – Reviews & Comparison


A lot of different images can come to mind when the seasons begin to shift from the colder months to that warmer time of year, lazy balmy days spent out in the garden reading a book or tending to the garden, swimming in the pool, or having a BBQ or dinner party with friends.

Unfortunately, the warmer seasons, especially summer, can attract those unwanted guests, those creepy crawlies and flying bugs that bite and sting. Try as we might, it can be an ongoing fight to fend off those bugs that rudely invite themselves and invade our personal livings spaces. In your efforts to try and repel these nasties, have you exhausted the available traditional methods of elimination: insect repellents: sprays, citronella candles and torches, and bug traps? If your answer is Yes! then it is time for you to invest in a bug zapper.

Bug Zappers Comparison:​

Our pick


Flowtron BK-15D Electronic Insect Killer

It's a small device, but the huge coverage makes it ideal for both indoor and outdoor use. For its price, Flowtron BK-15D is the best at zapping small to large insects. You can also buy the attractant bundle if needed.

Why Should You Invest in a Bug Zapper?

Bug zappers are the fastest and most efficient way of eliminating those nasty flying pests. There are quite a large selection of these bug zappers available: some are powered by electricity, others are magnetic, battery operated or solar powered. Some zappers can be attached to patios, some can be placed indoors, while others can be placed in and around the garden, while emitting an attractive bluish or soft white glow. So which is the best choice for your home and garden?

Before you buy, here are some tips for reducing the amount of insects in and around your home.

Although these zappy bug neutralizing products can keep a substantially large amount of flying bugs away from your home, you can also kick-start the pest elimination process by practicing these five helpful tips.

  1. Remove containers with standing water. Bugs and especially mosquitoes love stagnant water. It is their prime place for breeding, so be vigilant and regularly empty any containers around your home that have unused water sitting in them.
  2. Keep your food covered. Even if you have a bug zapper, it is a good idea to cover your food. Having a few of those Pop-Up Mesh Screen Food Cover Tents will protect your food and they look good at the same time.
  3. Move any trash cans away from your eating areas. Crawling and flying insects love overflowing trash cans, so it is a good idea to keep them clean, securely covered and move them away from eating areas.
  4. If you have a pool, keep it maintained. Checking chlorine levels, and clean the pool. Pool covers are great, but if they are placed over a pool for too long they can attract those unwanted crawling and flying nasties.
  5. Invest in plants that can help repel insects like beetles and mosquitoes. Herbs like basil, lavender and rosemary can help to repel insects, and flowers like Marigolds and Petunias, and carnivorous plants like Pitcher

But if you want a fast and effective way to rid your house and patio from unwanted bugs, invest in a bug zapper.

Although the above tips can help you to reduce the amount of insects in and around your home, the best method of eradication is with a handy bug zapper.

A bit of bug zapper trivia. The bug zapper was also used by sound technicians to create sound effects for the lightsabers in the original Star Wars films, and they are the perfect weapon of choice in the war against bugs.

How Do Bug Zappers work?

Bug zappers contain a light bulb that emits a bright ultraviolet (black) light and a high powered electric grid that is housed inside a ABS plastic or polycarbonate cage. The ultraviolet light attracts most insects and once they draw near to the unit they receive an electric shock. A chemical or slow-release Octenol (which is found in human breath and sweat) attractant or bait is sometimes used, and some models come with a fan that sucks the insects in.

Research has shown that mosquitoes are not as attracted to UV light as other flying insects and so using an attractant like Octenol as well as the UV light bulb is more effective.

Bug Zappers for Indoors or Outdoors

Indoor Bug Zappers

There are many indoor bug zappers that do not use chemical attractants, but instead, they use natural based attractants or just the ultraviolet light bulb. There are also bug zappers that have a dual purpose, they illuminate and also work as a bug zapper, and there are some types of zappers that like a tennis racquet, but emit a lethal zap of 2750 volts of power, and they only require two AA batteries.

But be vigilant: These handheld zappers are not child-friendly, and should not be used as a toy.

Outdoor Bug Zappers

Outdoor bug zappers use many ways of attracting and killing insects. Some of them may contain some high powered chemicals, which means they are very potent and effective at killing bugs, they need to be away from children, pets, and food sources, and they are bad for the environment. Other models offer environmentally friendly options that also work effectively at eliminating unwanted pests.

There is a range of styles available, some models require a power source, some are battery operated and solar powered zappers are also available. There are portable zappers that can be placed on a table and they look like ornamental lanterns, others look like heaters, and some have a more space-age look, and can be hung from the ceiling, or placed onto the ground, and can be used to illuminate your garden or pathways.

Tips for Choosing the Right Bug Zapper

To choose the best zapper for your home and garden and to get the optimal performance, follow these tips:

  • Indoor or Outdoor. Check to see whether the model is suitable for outdoor or indoor use. The models that emit a chemical in order to attract the insect would not be suitable for indoor use, and some of the more natural baits may be unpleasant for some people. Some models are suitable for both indoor and outdoor use.
  • Child & Pet Safety. They are many models that do not use harmful chemicals, fumes or poisons. They offer non-toxic alternatives to keep homes free of insects without poisonous repellants, pesticides, or baits, while still doing an effective job. Or they work with just an ultraviolet light bulb. Choose a zapper that has a protective enclosure that ensures the insect traps are completely safe around children and pets,
  • Size does matter. Depending on the size of your verandah or yard or where you intend to place the unit, it is a good idea to read the model's specifications or manual first. There are some models that claim that they can work effectively in areas up to one acre, but if you have a large area to cover, you may need more than one.
  • Regularly clean the zapper. Most models have a tray for the dead insects, but they can build up quickly, so remember to clean the unit regularly.
  • Waterproof or not waterproof. Although many bug zappers are waterproof, some are not, so again, it is best to check the specifications before you purchase.

Reviews: 7 Best Bug Zappers on the Market

1. Flowtron BK-15D Electronic Insect Killer

Flowtron is a family-owned company and has been a worldwide leader in outdoor products for over 80 years. The Flowtron BK-15D is a smart black electronic lantern style zapper that packs a powerful punch. The high-intensity ultraviolet light effectively lures insects in through the weatherproof polycarbonate cage and traps them on the electrostatically charged grid. It is also an environmentally friendly product as you can use a USDA tested Octenol attractant, a proven mosquito lure. The attractant can be purchased separately or for an extra charge it comes as a package deal in a six pack.

The zapper works effectively for up to ½ an acre radius, which means it is ideal for small to medium sized yards. It is not recommended for placement within 25 feet from of human activity and should be used for outdoor purposes only.

What we like:

  • Affordable
  • Good design
  • Effectively kills insects
  • Perfect for a small to medium patio or lawn
  • Minimal noise

What we don't like:

  • Bugs get stick on the grid and can build up
  • Short bulb life
  • Chord is too short so you may need an extension

2. Teza Insect 40W Killer Zapper

Teza offers a range of products for your home and garden and their bug zappers are ideal for residential and commercial use. The super strong Teza Insect Killer Zapper is designed to kill a range of flying insects: flies, moths, and mosquitoes. It is ideal for use indoors as well as outdoors.

The casing is made from rust-free and scratch-proof ABS plastic with aluminum alloy surface with electrophoretic treatment, and it is easy to clean. It can be either be mounted on a wall, suspended from the ceiling or free standing.

The killing zone is up to 6,000 square feet and with a high-voltage output of 2500-4000, it will effectively keep your home and garden free from insects. Teza uses a magnetic transformer which does not overheat like electronic transformers can and it is a lot quieter. The quality ultraviolet lamp emits 40 Watts and has an effective working life for up to 8,000 to 10,000 hours.

What we like:

  • Good coverage
  • Waterproof
  • Kills small and large bugs

What we don't like:

  • Problem with defective light
  • May need a magnetic screwdriver to put screws in when replacing the light bulb.

3. Aspectek 20W Electronic Bug Zapper

Milo Enterprises, which is the parent company of Aspectek, make high-quality products, and environmentally-friendly and energy efficient household products that instill confidence in their customers.

The Aspectek 20W Electronic Bug Zapper is a chemical free pest control product that is designed for indoor use. The zapper comes with two ultra-violet 20 watt light bulbs that will attract bugs up to 6,000 square feet, and its powerful grid can easily eliminate flying insects like flies and mosquitoes. It comes with a removable washable collection tray, which means there is little maintenance required, and it is easy to clean away the dead insects.

The zapper comes with a metal chain so you can either hang it on a wall or place it on a flat surface. There are also models available in 30 and 40 watts.

What we like:

  • Works well at killing small and large flying insects
  • Easy to clean
  • Energy efficient
  • Good coverage

What we don't like:

  • Only suitable for indoor use
  • Noisy
  • Needs to be placed near an electrical outlet

4. Primax Insect Killer & Electric Bug Light Zapper

This newly improved stylish green and white bug zapper by Primax is an eco-friendly design and is constructed with the highest quality ABS materials. The Primax is equipped with four LED ultraviolet lights with a lifespan of 50,000 hrs, it has a 600-volt electric grid, and a powerful, yet quiet suction fan.

With a coverage of over 500 square feet, it provides a safe chemical free solution for eliminating insects as it is suitable for all indoor areas and covered patios, and it is certified as a child and pet safety product. It is easy to clean and comes with a custom-made brush that makes it easy to clean the electric grid.

What we like:

  • Ideal for small indoor spaces
  • Environmentally friendly and energy saving
  • Comes with a handy brush for cleaning
  • Emits a soft light
  • Low noise

What we don't like:

  • Not suitable for large areas
  • Only kills a small amount of insects
  • Expensive considering it is only a small unit

5. Black Flag Handheld Bug Zapper

The Black Flag Handheld Bug Zapper is a nifty idea as it looks like a tennis racquet, but it is a high powered insect killing machine. The handheld bug zapper is ideal for those summer nights when insects rage through your house and disrupt your social events.

All it takes is just one push of a button and a well-aimed swipe to kill insects on contact, especially those high pitched micro mosquito monsters that haunt you in the night. With 2750 bolts of power it is ideal for insects and bugs of all shapes and sizes. It can be used for both indoors and outdoors, and only requires 2 AA batteries.

What we like:

  • Great price
  • Effective for all insects, even mosquitoes
  • Environmentally friendly and an energy saver
  • Suitable for indoor and outdoor use
  • Perfect for camping too

What we don't like:

  • Takes more than one swipe to kill insects at night
  • Emits a loud zap

6. Sunnytech Solar Powered Bug Killer Zapper

The Sunnytech Bug Killer Zapper is a solar powered product, which means it is environmentally friendly and energy efficient, and it will also look good in your garden. While the solar ultraviolet 16 LED bright bulb attracts and kills small flying insects up to an area of one acre, it also provides a white glow for your lawn, garden, path or walkway.

The Sunnytech insect killer is cleaner and safer than its chemical counterparts, and the anti-clogging killing grid stops any short-circuiting of the unit or flare-ups from dead insects. Its protective outer enclosure and metal frill prevent children, pets, birds, or wildlife from contacting the charged grid, and it also has a dusk to dawn sensor. The unit also comes with an indoor charging function and a rechargeable battery included.

What we like:

  • Effective on all insects
  • Easy to install
  • Environmentally friendly with solar power
  • Can be used as a light as well as a bug zapper
  • Looks good in the garden

What we don't like:

  • The unit has to be attached to the solar panel with a wire
  • Expensive for a zapper with small coverage

7. Flowtron BK-40D Electronic Insect Killer

This ultra high-powered electronic zapper is another product from the Flowtron range. It has up to one acre of coverage.

Once again Flowtron provides an environmentally friendly way of eliminating flying, biting insects from your outdoor living area. As well as the 40-watt high-intensity ultraviolet, (black light), bulb and the powered Vertical Rod killing grid system, effective scientifically tested attractants lure insects to a killing grid, that also provides maintenance free operation.

A cartridge of Octenol mosquito attractant is also included with the zapper. The unit is made from sturdy weatherproof polycarbonate construction, which means it will not rust, crack or fade.

What we like:

  • Environmentally friendly and energy saving
  • The ultraviolet light can be used by itself or with the repellent
  • Provides a large kill zone up to one acre
  • Effective at killing insects, including mosquitoes

What we don't like:

  • Expensive
  • Suitable for outdoor use only
  • Difficult to clean

Conclusion: Our Top Pick

Our top pick for the best bug zapper on the market is the Flowtron BK-40D

Our pick


Flowtron BK-15D Electronic Insect Killer

It's a small device, but the huge coverage makes it ideal for both indoor and outdoor use. For its price, Flowtron BK-15D is the best at zapping small to large insects. You can also buy the attractant bundle if needed.

The Flowtron BK-40D come in at a close second. Both are basically the same zapper, only differ in size. We choose BK-15D because it's more versatile. If you need it for larger areas, you can choose the BK-40D or buy two BK-15D.

The Flowtron family have consistently designed products that effectively eliminate unwanted flying insects from outdoor areas. As well as showing a commitment to environmentally friendly and energy saving products, their bug zappers are aesthetically pleasing, and more importantly they keep bugs away from your entertaining areas.


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