5 Best Indoor Mosquito Killer Sprays (Top Picks for 2020)

Best Indoor Mosquito Killer Sprays

Mosquitoes in the great outdoors are bad enough, but mosquitoes in your house? No, thank you.

If a few mosquitoes do manage to break the line and find their way into your home, there are fortunately now hundreds of different indoor mosquito products available that you can use to evict those little pests.

Our team spent dozens of hours studying and testing different indoor mosquito sprays to provide you with our best options.

This article can save you money and time! Keep reading. 

Before we get into the details, lets have a look at our top 3 fogger, spray, and granular options.

Best Performer
Hot Shot 100047495 HG-20177 No Mess Fogger, Aerosol,...
Raid Flying Insect Killer, 15 OZ Pack of 2
Summit Responsible Solutions Mosquito Bits - Quick...
Product
Hot Shot No Mess! Fogger, Aerosol.
Raid Flying Insect Killer
Summit Responsible Solutions Mosquito Bits
Manufacturer
Hot Shot
Raid
Summit Responsible solutions
Safe for Indoor use ?
Type
Fogger
Spray
Granular
Best Performer
Hot Shot 100047495 HG-20177 No Mess Fogger, Aerosol,...
Product
Hot Shot No Mess! Fogger, Aerosol.
Manufacturer
Hot Shot
Safe for Indoor use ?
Type
Fogger
Raid Flying Insect Killer, 15 OZ Pack of 2
Product
Raid Flying Insect Killer
Manufacturer
Raid
Safe for Indoor use ?
Type
Spray
Summit Responsible Solutions Mosquito Bits - Quick...
Product
Summit Responsible Solutions Mosquito Bits
Manufacturer
Summit Responsible solutions
Safe for Indoor use ?
Type
Granular

Now we’re going to deep dive into each indoor spray product and learn more about their usage, ingredients, and overall reputation in the market.
 
 We’ll also list our honorable mentions so that you can find the spray best for your individual needs. 

Raid Flying Insect Killer

As its name suggests, the Raid Flying Insect Spray is designed to kill indoor flying insects. Therefore, control of other crawling insects and pests is not possible with this formula.

A very nice feature is that once the spray is dried up there is not left any residual effect like a greasy residue.

While using indoors, outlets such as doors and windows must be kept closed for a short time to get the best results.

This product is approved by the EPA.  Download EPA label registration document. 

The Raid Flying Insect Killer spray is a liquid-based formula specially designed to kill flying insects like mosquitoes.

 

The spray is highly effective against mosquitoes, but also kills other flying insects such as Asian Lady Beetles, Boxelder Bugs, flies, fruit flies, hornets, non-biting gnats, small flying Moths, wasps and Yellow Jackets. 

We like Raid Flying Insect Spray as it is sensitive enough for indoor use, but strong enough to use outdoors as well; wherever you have a problem with flying bugs.

 

Note: Raid is to be used for individual insects, it is not recommended to be used as a defense against large infestations. 

The spray contains 0.125% of d-Phenothrin and 0.1% of Prallethrin as active ingredients which are pyrethroids. Pyrethroids work by paralyzing the central nervous system of insects, killing them instantly. 

The aerosol spray does not have a bad odor but instead leaves behind a pleasantly fresh scent.

Ortho Home Defense Flying Bug Killer

  • Fast drying and safe for kids, pets and livestock.
  • A non-staining, odor free formula available in ready to use packaging.
  • Very specific action against only flying insects and bugs.
  • Killing action starts within seconds both indoor and outdoor.

 

Since it is an oil-based product, a very thin film of oil may cover surfaces after spraying. It is easily cleaned up though.

Closing all doors and windows will increase the spray’s efficacy. However, make sure to not put yourself at risk by remaining in an enclosed space filled with mosquito spray.

Contains chemicals which can be harmful to your health if inhaled or absorbed via skin. 

The Ortho Home Defense Flying Bug Killer is an oil based aerosol formula containing pyrethroids chemicals.

 Pyrethroid is a derivative of the plant “Pyrethrum”. Pyrethroids are organic compound made up of pyrethrins which is found in pyrethrum flowers, they are very toxic in high concentration.

Be careful using the spray around areas containing water, plants, and electrical outlets.

The Ortho Home Defense Spray provides protection against insects for up to twelve months by creating a barrier against a wide range of insects. 

The non-staining and odor free formula dries up instantly and does not leave behind a smell after it has dried up completely. The spray protects against a large variety of insects, especially mosquitoes. A few other pests it provides protection against include fleas, flies, caterpillars, ants, aphids, bees, beetles, grasshoppers, hornets etc.

While this mosquito spray is safe to use indoors, please be mindful to not remain in an enclosed space after spraying.

The Vet’s Best Natural Spray

  • An eco-friendly, natural and organic formula for killing mosquitoes
  • Fast acting with results within minutes of spraying
  • Long lasting formula which provides protection up to 12 weeks

 

This selection for best mosquito spray to use indoors may have you re-reading the title. Although this spray is labeled as a flea and tick spray, it is also highly effective at killing mosquitoes on contact. 

Because it is natural and safe for our pets, bonus points. While it may not be as deadly as toxic insecticides, we found it to be plenty strong enough for killing mosquitoes around the house. 

Even though it is natural, make sure to check the active ingredients to ensure that they will not cause you an allergic reaction. First, test it by using it on a small scale first.   

The Vet’s Best Natural Spray is an all-natural organic product. It is known for its effectiveness in killing mosquitoes inside the house. However, it also kills many other unwanted pests inside a home such as spiders, ants, fleas, earwigs, mites, scorpions etc.

After being sprayed, it can repel insects from your home up to 12 weeks. The spray is deemed as kid and pet safe. The active ingredients are peppermint oil, eugenol, and sodium lauryl sulfate.

Although the formula is extremely fast acting, it might not be as effective as other products which contain chemicals. For killing the occasional indoor mosquito, we believe the trade-off is worth it.

Eco Defense Organic Mosquito Killer Indoor Spray

  • Spray formula is made using all-natural and organic ingredients
  • Fast acting and effective control formula
  • Provides long lasting control against a number of insects
  • Odor free and stain free formula
  • A bit expensive compared to other products on the market due to its organic nature
  • The active ingredients can potentially cause an allergic reaction in sensitive individuals such as people with asthma

Eco-Defense Organic House Spray is a completely natural flying insect killer which is made from 100% organic ingredients. 

It is one of the safest and eco-friendliest products available for killing mosquitoes indoors. 

In addition to controlling mosquitoes, the spray is effective against other household insects such as house roaches, spiders, ants, fleas, earwigs, bugs, mites, scorpions, silverfish etc. 

The Eco-Defense pest spray product is non-toxic for kids and pets. Treated areas are safe to be occupied immediately after spraying.

Eco Defense has a long lasting effect which keeps pests away from coming inside the house for a long time. The odor free formula is made from peppermint oil, sodium lauryl sulfate and geranium oil.

Hot Shot Flying Insect Killer

  • Effective against mosquitoes and flies
  • Can kill up to four weeks on rough surface
  • Fragrant fresh scent
  • No spots on application area
  • Safe to use around kids, pets and livestock
  • Not effective against other insects like bed bugs, fruit flies, etc

 

Hot Shot Flying Insect Killer is a water based aerosol spray which kills mosquitoes on contact and leaves behind a clean scent.

The spray once used continually provides protection against mosquitoes for up to 4 weeks.

In addition to mosquitoes, the Hot Shot Flying Insect Killer spray is effective against other indoor pests such as houseflies, wasps, hornets, yellow jackets and bees. 

The aerosol spray can be used both indoors and outdoors. Although the formula is non-staining, it should not be used on surfaces that can be harmed or stained by water. The spray should be deployed liberally in the hiding and breeding places of mosquitoes. As with all insecticide sprays, ensure that the nozzle is pointed away and upwards when used. Do not spray directly on skin or near your eyes.

Mosquito Control Options

Mosquitoes are of course annoying. However, they also can pose a serious health threat as they transmit disease causing pathogens. The control of mosquitoes is a must in residential areas, especially inside of your home.

To safely and effectively get rid of mosquitoes indoors, you must choose products which are scientifically proven.

It is impossible to keep all mosquitoes from entering your home since they are very tiny in size and somehow can always manage to find a way inside.

A number of mosquito control methods exist and various products are available in market for this purpose. One of the most convenient methods is the use of mosquito killing pesticide sprays which can deliver a quick knockdown to the flying creatures inside a home.

Note: Over the counter sprays can only be used for a quick knockdown and for relatively small infestations. If you are living in an area with a large mosquito population, you may want to look into more extensive measures.

These indoor mosquito killer sprays we reviewed above contain chemical compounds which kill mosquitoes on contact.

Safe Heavens for Mosquitoes

Every one of us has experienced mosquito bites at some point in our life. Mosquito bites are an extremely unpleasant experience as they leave behind itchy red irritating bumps.

Further Reading:  How to Get Rid of Marks Left by Mosquito Bites

These bumps are actually the result of allergic reactions caused by the ejection of mosquito saliva on our skin. Mosquitoes eject the same saliva in our body via their bites which contains disease causing pathogens.

According to the EPA, mosquitoes carry viruses including malaria, dengue virus, Zika virus, West Nile virus, etc. to humans.

Mosquitoes’ pathogen transmission is not only limited to humans, but includes pets and other animals as well. Mosquitoes can spread dog heartworms and West Nile virus.

Mosquitoes generally lay their eggs in standing water whether it is inside or outside in your yard. The water serves as a favorable habitat for the mosquito larvae after they hatch. More About Mosquito Life Cycle

Common places inside or outside the house where mosquitoes can lay their eggs include:

  • Buckets
  • Toys
  • Old trees
  • Tyres
  • Potted plant trays and saucers
  • Plastic covers
  • Tarpaulin

These places are considered hot spots for mosquito breeding and can be found in almost every house.  

Better Health created an awesome checklist you can use to protect your home from mosquitoes. 

Once inside your home, mosquitoes don’t spare pets or children from their bites. Consequently, the elimination of mosquitoes from a home needs to be done as quickly and as effectively as possible.

Indoor Mosquito Prevention

Mosquitoes have earned a terrible reputation as they are one of the most stubborn and hard to eliminate insects. However, the elimination of mosquitoes from residential areas is necessary for the prevention of diseases in a community. 

Mosquito elimination needs to be carried out with the best and most effective up-to-date products. Let us recap the best indoor mosquito killing products available on the market right now:

  • Ortho Home Defense Flying Bug Killer
  • Raid Flying Insect Killer
  • The Vet’s Best Natural Spray
  • Eco Defense Organic Mosquito Killer Indoor Spray
  • Hot Shot Flying Insect Killer  

Characteristics of a Good Mosquito Killing Spray

The quickest and most appropriate way of combating disease-borne mosquitoes is to use EPA registered pesticide products. Adult mosquitoes move around frequently and are very difficult to fully eradicate. 

Therefore, the pesticides used to eliminate adult mosquitoes are also called adulticides as they possess extra properties for tackling the unique characteristics of mosquitoes.

A good mosquito killing spray should have the following characteristics:

  • It should be highly toxic to targeted mosquitoes and not harmful to pets, livestock and humans.
  • It must be able to kill mosquitoes completely on contact.
  • The spray pesticide should not be resistant to the mosquitoes otherwise their population will increase rather than decrease.
  • It should have a long lasting effect on treated areas and not be readily degradable.
  • It should be an economically good choice; otherwise the cost of mosquito treatment can become prohibitive due to the need for multiple sprays.
  • It should be stainless and the smell should be acceptable to homeowners, as some pesticides have a very pungent smell and leave un-washable and unattractive spots on treated areas.
  • It should be safe and viable for transportation, storage and application.

Selecting the Right Mosquito Killing Products

According to the National Pesticide Information Center, an overwhelming number of mosquito killing products are now available in the market, but choosing the right one for your situation can be difficult. It is simply not feasible to try every product to check viability.

Before selecting any product make sure that it meets all established standards. If a product is not meeting the required standard criteria and safety standards then do not use it as it may do more harm than good.

Unfit mosquito products can be detrimental both to your wallet and health.

Advantages:

It is always better to use products with natural chemical compounds or products which have ingredients derived from plant sources.

Such products are safe to use inside your home, as their chemical structure begins to degrade a few minutes after they have been used.

The most important aspect of using plant-based products is the presence of their plant extract active ingredients.

Plant-based ingredients have a smooth degradation property after they have been used.

Such compounds have a short lived effect as compared to other synthetic chemicals as they do not contain any binary chemical or residual compound. 

On the other hand synthetic insecticides do not degrade easily and take a long time after they have been used to convert into harmless secondary structures.

Botanical active ingredients have special structural compounds which make it difficult for insects to develop resistant against. 

Since biological compounds are more complex in nature, it takes a long time for insects to develop resistance against them. Thus, they are recommended for usage against resistant mosquito populations.

Plant based ingredients are very specific in their action meaning they choose their target organisms. Basically, if such products have been designed for mosquitoes they will not be effective against termites or bed bugs.

Their action will be lethal to mosquitoes and not everything else. Every plant based compound is actionable against a few select insect species, which makes them preferable for home use. They will not kill butterflies, honeybees or other beneficial insects.

They are not toxic to human or other animals. So your cats and dogs will be safe even when you spray in the house.

Plant based products are generally cheaper than their synthetic chemical counterparts, since bioactive products do not have any costs in their manufacturer related to Research and Development (R&D).

How to Use Mosquito Killing Sprays?

Although using an indoor mosquito killing spray is pretty easy, proper procedures should be taken into consideration as pesticides are involved. As these products contain toxic chemicals, special attention should be given to their application. They also must be handled and stored in the recommended manner.

The following steps should be followed for proper application of these products:

  • Before using any pesticide read the label carefully, also check the emergency guidelines.
  • Pesticides enter the human body through inhalation, ingestion and skin contact, so avoid contact to hands, face and any other parts of the body.
  • Avoid smoking, eating or drinking when using pesticides.
  • Keep children and pets away when using pesticides to avoid direct contact.
  • Keep the windows and doors closed (if recommended by the product’s label) while spraying a room, and leave the area for the specified period.
  • The bottle should not be placed in places near fire or ovens.
  • If applying the spray in the kitchen area, remove all food stuff and plates, dishes, pans, etc. to avoid direct contact.
  • If an aquarium is nearby, cover it with plastic when applying pesticides.
  • Usually these products are ready to use, but some are more concentrated and need to be diluted for better results.

Final Thoughts on Indoor Mosquito Sprays

Safety instructions should always be followed as vaporized products pose unique health risks.

Out of all the indoor mosquito sprays that we have tried, Vet’s Best Natural Spray is the most appropriate and suitable for indoor use when it comes to safety and avoiding unnecessary toxicity. 

The spray has a quick effect on mosquitoes while being eco-friendly and organic.

Before selecting any indoor spray for mosquito control one should keep in mind safety factors.

The chosen spray should be safe for use around children and pets. 

Organic natural ingredient based sprays are becoming increasingly prominent because they are safe for kids, pets, livestock, plants and even the environment.

If you have any questions, feel free to drop us a comment or contact us directly for more advice.

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