Best Indoor Carpenter Ant Killer

Peter | 06-01-2026

Navigating the many Best Indoor Carpenter Ant Killer options on the market – from major brands like Terro,Spectracide,Catchmaster,Atticus to lesser-known names – can feel overwhelming. But we’re here to help simplify your search for the best products.

After extensive research testing hundreds of Best Indoor Carpenter Ant Killer, we’ve selected the top contenders. Our number one recommendation is Terro Best Indoor Carpenter Ant Killer based on its stellar performance and quality. Below you’ll find more of our top-rated picks for the best Best Indoor Carpenter Ant Killer currently available.

Be sure to consult our handy buying guide as well for expert tips on choosing the right Best Indoor Carpenter Ant Killer to suit your individual needs. It has all the crucial information you need to make an informed purchasing decision. With our guidance backing your choice, finding your perfect match will be smooth sailing!

Editor's Choice
Spectracide Terminate Termite And Carpenter Ant Killer 1.33 Gallons, Includes AccuShot Sprayer
Spectracide Terminate Termite And Carpenter Ant Killer 1.33 Gallons, Includes AccuShot Sprayer
Premium Pick
TERRO Ant Killer Bait Stations T300B - Liquid Bait to Eliminate Ants - Bait System - 12 Count
TERRO Ant Killer Bait Stations T300B - Liquid Bait to Eliminate Ants - Bait System - 12 Count
Budget Pick
TERRO Ready to Use Indoor and Outdoor Carpenter Ant, Termite, and Carpenter Bee Killer Aerosol Spray
TERRO Ready to Use Indoor and Outdoor Carpenter Ant, Termite, and Carpenter Bee Killer Aerosol Spray

Top 9 Best Indoor Carpenter Ant Killer

We researched and compared the top products in the Best Indoor Carpenter Ant Killer category to provide you with these recommendations.

1. TERRO Ant Killer Bait Stations T300B - Liquid Bait to Eliminate Ants - Bait System - 12 Count

  • ATTRACTS & KILLS: TERRO liquid ant baits indoor effectively target and eliminate common household ants, including acrobat, crazy, ghost, little black, odorous house, pavement, and other sweet-eating ants
  • KILLS THE ANTS YOU DON'T SEE: TERRO ant bait is designed to share with the entire colony, eliminating both visible ants and those hidden, using liquid ant baits
  • FAST-ACTING: Noticeable ant activity reduction within days as worker ants carry TERRO liquid ant baits back to the colony for widespread indoor ant killer effects
  • READY TO USE: Simply place ant baits indoors with no setup required. Observe as Terro ant baits attract and eradicate ants conveniently at home
  • VERSATILE HOME PLACEMENT: TERRO ant traps are ideal for use along baseboards, in corners, and on counters, targeting indoor ant baits hotspots throughout your home

2. TERRO Ready to Use Indoor and Outdoor Carpenter Ant, Termite, and Carpenter Bee Killer Aerosol Spray

  • Kills Wood-Infesting Insects - Effectively kills carpenter ants, termites, and carpenter bees
  • Fast Acting & Long Lasting - This convenient aerosol spray kills on contact and provides long-lasting residual control, continuing to kill pests for up to one month
  • Don't Miss Your Target - The two-way spray nozzle allows for broad application or precision treatment in cracks and crevices
  • Non-Staining, Odorless Formula - This non-staining spray leaves behind no unpleasant odors so you can use it almost anywhere
  • Use Indoors & Outdoors - Spray around windows, doors, and entry points, as well as into wall voids and infested wood areas
  • This product is not recommended as a sole protection against termites. For active infestations, get a professional inspection

3. Spectracide Terminate Termite And Carpenter Ant Killer 1.33 Gallons, Includes AccuShot Sprayer

Spectracide Terminate Termite And Carpenter Ant Killer 1.33 Gallons, Includes AccuShot Sprayer
9.8

Spectracide

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  • KILLS TERMITES AND CARPENTER ANTS: Indoor plus home foundation treatment against termites, carpenter ants, carpenter bees and other insects as listed.
  • FOR INDOOR AND OUTDOOR USE: Up to 9 months control indoors
  • KILLS CARPENTER BEES: Kills wood-destroying insects on contact.
  • CLEAR FORMULA: Non-staining spray leaves no odor.
  • ACCUSHOT SPRAYER: Continuous power sprayer for precise application.

4. TERRO Ant Dust Powder Killer for Indoors and Outdoors - Kills Ants, Fire Ants, Roaches, Spiders, and

  • KILL ANTS & OTHER INSECTS: TERRO Ant Dust kills ants (including fire & carpenter ants), cockroaches, spiders and other insects
  • WATERPROOF FORMULA: The waterproof dust won't wash in the rain, ensuring lasting protection from insects in your yard
  • KILLS ON CONTACT: This ready-to-use ant dust kills insects on contact
  • UP TO 8 MONTHS OF PROTECTION: Provides long-lasting residual control, continuing to kill ants and other insects for up to 8 months
  • EASY TO APPLY: The convenient shaker canister allows for both scatter and widespread application
  • INDOOR & OUTDOOR USE: Apply in cracks and crevices, around perimeters and foundations, in crawls spaces and wall voids, in flower beds, and directly on ant hills
  • Waterproof
  • Lasts up to 8 Months
  • Kills Carpenter Ants
  • Deltamethrin

5. Catchmaster DEFIANT Premium Liquid Ant Killer, 1-Year Supply, Kills the Queen and Colony, No Mess

Catchmaster DEFIANT Premium Liquid Ant Killer, 1-Year Supply, Kills the Queen and Colony, No Mess
8.3

Catchmaster

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  • 1 LIQUID ANT BAIT BOTTLE (1 YEAR SUPPLY) + 4 STATIONS (2 STACKED): The DEFIANT liquid ant bait system comes with 3.38 oz of liquid ant killer - roughly a 1 year supply for the average home, providing you with year round protection from a single purchase. It also includes 4 bait stations that can be put together to make 2 covered ant traps. The bait stations can be refilled and reused season after season for as long as you have ants in your home.
  • KILLS THE QUEEN AND THE COLONY: DEFIANT Liquid Ant Bait kills the queen and colony of most common ants inside and outside your home, effectively eliminating ant infestations. Confirmed effective against: Acrobat, Crazy, Ghost, Sugar, Argentine, Odorous house, Pavement & Little Black Ants. NOT EFFECTIVE AGAINST: Carpenter, Fire & Pharoah ants.
  • FAST-ACTING FORMULA: DEFIANT starts working immediately, though it does not kill ants instantly. The formula allows the worker ants time to carry the liquid ant bait back to their entire colony and share it with other members, including the queen. Noticeable ant activity reduction within days, colony elimination can take up to 3 weeks, depending on the severity of the infestation.
  • READY TO USE: Simply set the discrete stations where ants are seen and pour a few drops of liquid ant killer inside the bait station. Its transparent design allows you to monitor ant activity and liquid bait levels daily. Refill bait stations and place again as many times as needed. Rinse with water when done.
  • THE ONLY ANT CONTROL SYSTEM THAT ADAPTS TO YOUR HOME: DEFIANT is a premium ant control system, and offers different station options to suit all areas of your home, indoor and out. For the most effective results, set baited ant traps indoor and outdoors near areas with ant activity - along baseboards, corners, & kitchen counters, targeting ant hotspots throughout your home. Snap two stations together for use in high-traffic or dusty places.

6. Atticus Savitri Ant Gel Bait (4 x 30 Grams) - Indoor and Outdoor Use - Indoxacarb Ant Killer

  • FAST, EFFECTIVE ANT TAKEDOWN: Savitri Ant Gel contains 0.05% of indoxacarb, the same active ingredient trusted by professionals for quick ant kill and colony control.
  • WHEN YOU HAVE ANTS, WE HAVE THE ANSWER: Dont worry about identifying your ant species, Savitri Ant Gel tackles them all. Indoors or out, Savitri Ant controls major species including red imported fire ants and common house ants such as pavement, carpenter, and odorous house. See the product label for a complete list of species controlled.
  • EASY APPLY, EASY CONTROL: Our prefilled syringe makes easy work of ant control. Simply dispense gel in a thin line or as spots near the ant trail or nest site. After application, check bait sites and reapply as consumed. Savitri leaves no residue, no odor, and of course, no ants.
  • COMBAT THE COLONY: Formulated for infestation control, Savitri Ant Gel works with timing precision. Our non-repellant formula delivers perfectly-timed death allowing contaminated ants to take bait back to the nest. Its how Savitri Ant kills the ants you see and those you dont.
  • APPROVED TO USE NEARLY EVERYWHERE: Ants can hide almost anywhere, get the the solution that does the same. Savitri Ant Gel may be used on indoor cracks and crevices and at outdoor entry points in residential, businesses, and buildings such as apartments, schools, hotels, hospitals, and warehouses, as well as in transportation equipment including boats and buses. Savitri Ant is also approved for use in food handling areas including supermarkets and restaurants.
  • NOT FOR SALE IN ALASKA or HAWAII. Always read and follow label instructions.

7. Harris Carpenter Ant Killer & Termite Control Treatment, Kills On Contact, Odorless & Non-Staining

  • Kills Carpenter Ants & Termites on Contact: Effectively eliminates carpenter ants, termites, and other common household ants including Argentine, fire, harvester, and pharaoh ants.
  • Long-Lasting Protection: Provides up to 1 month of continued protection against carpenter ants after initial application, reducing the need for frequent reapplications.
  • Ready-to-Use Formula with Trigger Sprayer: Comes with an easy-to-use trigger sprayer, allowing for precise application in areas where ant and termite activity is observed.
  • Odorless & Non-Staining: Features an odorless and non-staining formula, ensuring it won't cause damage to fabrics or home decor when used according to label directions.
  • EPA Registered for Indoor & Outdoor Use: Registered with the Environmental Protection Agency (EPA No. 3-11) for both indoor and outdoor residential applications.
  • Trusted Brand Since 1928: Harris has been providing effective pest control and insect management solutions for nearly a century, trusted by professionals and homeowners alike.

8. Syngenta 68078 Advion Singular Tube Ant Gel Lure, 30g

  • Targets most pest species of ants, including all key sweet feeders
  • Features a highly attractive, homogenous formulation
  • Indoxacarb, the active ingredient, is the only member of its class of chemistry, so it performs like no other insecticide
  • Ants consume more Advion Ant gel bait over an extended period, resulting in thorough control of the infestation
  • By combining a proprietary active ingredient with a highly attractive gel formulation, Advion Ant provides a powerful tool for broad-spectrum ant control
  • The translucent, no odor, non-staining formulation maintains its integrity for extended periods

9. Combat Indoor and Outdoor Ant Killing Gel, 27 Gram

  • Helps get rid of ants in just 3 to 5 days
  • Best used in cracks and crevices where ants enter the home
  • Eliminates the entire ant colony
  • Fipronil, one of the most powerful ant killers, starts to exterminate ants in hours
  • This package contains one 0.95 ounce syringe of Combat Max Ant Killing Gel
  • Gel bait kills ants and the entire colony
  • High water content encourages faster feeding, so it starts killing within hour
  • Provides fast control of ants within 3 to 5 days
  • Syringe applicator lets you place the gel in hard to reach areas where ants travel, such as cracks and crevices
  • Ready-to-use directly from the syringe for fast, easy application

Peter

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