20 Best Guardian Squirrel Repeller [2024]

Are you looking for the best Guardian Squirrel Repeller? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Guardian Squirrel Repeller.

We Recommended:

# Preview Product
1 ASPECTEK Includes AC Adapter, Extension Cord Pest Repeller Yard Sentinel 2 Pack Outdoor Ultrasonic... ASPECTEK Includes AC Adapter, Extension Cord Pest Repeller Yard Sentinel 2 Pack Outdoor...
2 T5-S Triple Ultrasonic Repeller for Mice, Rats, Rodents, Squirrels T5-S Triple Ultrasonic Repeller for Mice, Rats, Rodents, Squirrels
3 Yard Sentinel Outdoor Ultrasonic Animal Repeller with Motion Sensor, Adjustable Volume, Waterproof,... Yard Sentinel Outdoor Ultrasonic Animal Repeller with Motion Sensor, Adjustable Volume,...
4 Broox Solar Animal Repeller, Ultrasonic Repellent, Motion Detection, LED Flashing Light, Dog, Cat... Broox Solar Animal Repeller, Ultrasonic Repellent, Motion Detection, LED Flashing Light, Dog, Cat...
5 2021 Solar Ultrasonic in Repellent Defender Rat, Squirrel, Deer, Raccoon, Skunk, Rabbit, Mole, Dog,... 2021 Solar Ultrasonic in Repellent Defender Rat, Squirrel, Deer, Raccoon, Skunk, Rabbit, Mole,...
6 PestContro Portable Ultrasonic Rodent Repeller, Battery-Operated Pest Control, Cordless, Dual... PestContro Portable Ultrasonic Rodent Repeller, Battery-Operated Pest Control, Cordless, Dual...
7 AMERFIST Solar Animal Repeller, 2021 Ultrasonic Mole Repellent, Rat, Squirrel, Deer, Raccoon, Skunk,... AMERFIST Solar Animal Repeller, 2021 Ultrasonic Mole Repellent, Rat, Squirrel, Deer, Raccoon,...
8 izbie Z1 Solar Ultrasonic Animal Repeller - Outdoor Ultrasonic Pest Repeller with Motion Detection... izbie Z1 Solar Ultrasonic Animal Repeller - Outdoor Ultrasonic Pest Repeller with Motion...
9 Neatmaster Ultrasonic Pest Repeller Electronic Plug in Indoor Pest Repellent, Pest Control for Home,... Neatmaster Ultrasonic Pest Repeller Electronic Plug in Indoor Pest Repellent, Pest Control for...
10 CLEANRTH CIN009 Industrial Electronic Pest Repelling System | Demands Insects, Bats, and Rodents to... CLEANRTH CIN009 Industrial Electronic Pest Repelling System | Demands Insects, Bats, and Rodents...
11 Loraffe Plug-in Rodent Repellent Ultrasonic 4-in-1 Pest Repeller Mouse Blocker Rat Deterrent Get Rid... Loraffe Plug-in Rodent Repellent Ultrasonic 4-in-1 Pest Repeller Mouse Blocker Rat Deterrent Get...
12 Glaobule Rodent Repellent Ultrasonic Electronic Battery Operated Pest Mouse Squirrel Repellent... Glaobule Rodent Repellent Ultrasonic Electronic Battery Operated Pest Mouse Squirrel Repellent...
13 CLEANRTH CR008 Advanced Ultrasonic Rodent Repelling System | Superior Rodent Repeller CLEANRTH CR008 Advanced Ultrasonic Rodent Repelling System | Superior Rodent Repeller
14 Diaotec Squirrel Repellent Mouse Deterrent Indoor Ultrasonic Squirrel Repeller Pressure Wave Pest... Diaotec Squirrel Repellent Mouse Deterrent Indoor Ultrasonic Squirrel Repeller Pressure Wave Pest...
15 T3-R Triple High Impact Mice, Rat, Rodent Repeller T3-R Triple High Impact Mice, Rat, Rodent Repeller
16 Loraffe Under Hood Animal Repeller Rodent Repellent Ultrasonic Rat Deterrent LED Strobe Lights Keep... Loraffe Under Hood Animal Repeller Rodent Repellent Ultrasonic Rat Deterrent LED Strobe Lights...
17 DELTAHVAC Solar Repeller, Waterproof Outdoor Machine with Flashing LED Lights, Suitable for... DELTAHVAC Solar Repeller, Waterproof Outdoor Machine with Flashing LED Lights, Suitable for...
18 Angveirt Mouse Deterrent Battery Operated Ultrasonic Mouse Repellent Rodent Repeller for Car Engines... Angveirt Mouse Deterrent Battery Operated Ultrasonic Mouse Repellent Rodent Repeller for Car...
19 Loraffe Under Hood Animal Repeller Battery Operated Rodent Repellent Ultrasonic Rat Deterrent Keep... Loraffe Under Hood Animal Repeller Battery Operated Rodent Repellent Ultrasonic Rat Deterrent...
20 Advanced Ultrasonic Rodent Repelling System | Superior Rodent Repeller, 2020 Upgraded Electronic... Advanced Ultrasonic Rodent Repelling System | Superior Rodent Repeller, 2020 Upgraded Electronic...
Bestseller No. 1
ASPECTEK Includes AC Adapter, Extension Cord Pest Repeller Yard Sentinel 2 Pack Outdoor Ultrasonic...
  • ★THE ORIGINAL 6-in-1 PEST REPELLENT: The first and still the most popular ultrasonic electronic pest deterrent on the market with coverage up to...
  • ★USE ANYWHERE: Day, Night or 24-Hour (3 Modes) protection for your garden, lawn, cabin, shed, attic, farm, barn, warehouse, patio or wherever safe...
  • ★EXTENDED COVERAGE: The most powerful PIR infrared motion sensor available. Use the sonic repeller setting or adjust it so it is completely quiet...
  • ★WEATHERPROOF: Unique seal and design lets you set it anywhere. The Yard Sentinel comes with the longest extension cord on the market or use...
  • ★WARRANTY: Aspectek pays attention to the product experience of all customers, the product is a one-year warranty, to ensure that your satisfaction....
Bestseller No. 2
T5-S Triple Ultrasonic Repeller for Mice, Rats, Rodents, Squirrels
  • ✅ Repels such pests as: rodents, rats, mice, squirrels and other pests from your property (sound above human hearing). This device for electronic...
  • ✅ Superior double effect, ultrasonic waves in a circle of 360 °, indoor pest control in: houses, garages, basements, attics, awnings, apartments,...
  • ✅ Easy Application | Stands on its own | Comes with 6ft. plug-in cord. Effectively protects an area measuring 50~545 sq. ft. | Ultrasonic,...
  • ✅ Over 15 years in the business | We stand by our product | Customer service that cares and when needed is willing to take the extra steps for you...
  • ✅ 100% Safe and Green Earth Friendly. Safe to use around birds, cats, dogs, humans, children, and all house hold electronics. Repels by using...
SaleBestseller No. 3
Yard Sentinel Outdoor Ultrasonic Animal Repeller with Motion Sensor, Adjustable Volume, Waterproof,...
  • 【EFFECTIVE】With an improved coverage range up to 5, 500 Square Feet, Infrared Motion Sensor (Adjustable), Night Time Scanner Technology you can...
  • 【ADJUSTABLE SETTING】3 Operating Time: Day/Night /24 HR; 3 Modes: Motion sensor, constant and continuous sweep. Sonic alarm volume control (If it...
  • 【CUSTOMIZABLE】Using either four C batteries or the included AC adapter and 33-foot extension cord; Weather Resistant; Maintenance FREE; Use for...
  • 【3 MODES OPERATION 】: Raccoon Repellent Outdoor has Day, Night or 24-Hour Protection for Your Garden, Lawn, Farm, Barn, Warehouse, Patio or...
  • 【SUGGEST】 As an annoyance based deterrent, we know the Yard Sentinel may not be enough of a deterrent to solve 100%pest control issues, but any...
SaleBestseller No. 4
Broox Solar Animal Repeller, Ultrasonic Repellent, Motion Detection, LED Flashing Light, Dog, Cat...
  • Do you have problem with unwanted animals in your area, garden, farm, etc.? Are they destroying your garden or eating the fruits? Do they bring many...
  • Repel animals in a humane way: Broox Solar Ultrasonic Animal Repellent repels animals by emitting ultrasonic sound, alarm and LED flashing light. When...
  • Solar Powered and Waterproof (normal rain): With a solar panel on the top of the device, it can be charged by solar energy, that benefits in energy...
  • Human Design: Solar Animal Repellent only repels animals without any chemicals or harms. it only emits 13.5kHz-45.5kHz ultrasonic sound to deter them....
  • Easy to Install, widely used and Wide infrared sensor range: Simply take it out of the box, charge it with the USB cord, select your desired mode,...
Bestseller No. 5
2021 Solar Ultrasonic in Repellent Defender Rat, Squirrel, Deer, Raccoon, Skunk, Rabbit, Mole, Dog,...
  • Upgraded Design - This ultrasonic mouse repellent features state of the art ultrasonic technology which creates a powerful ultrasonic wave,...
  • Perfect Choice - Tired of constantly dealing with animal intruders ruining your gorgeous lawn or veggie garden? Would you like to keep at bay stray...
  • Eco-Friendly Charging - The Carestar cat deterrent outdoor features a dual option for recharging, being equipped with a top solar panel that...
  • Human Design - Solar Animal Repeller is only to drive the animal without any chemicals. it is only issued 13.5kHz-45.5kHz ultrasound to drive them...
  • Easy Diy Installation - Our pest repellent is easy to install, providing multiple mounting options. Whether on your wall or fence, or simply inserted...
Bestseller No. 6
PestContro Portable Ultrasonic Rodent Repeller, Battery-Operated Pest Control, Cordless, Dual...
  • SAFE NON-TOXIC PEST CONTROL : Effectively repels pests without traps or poisons by emitting ultrasonic siren bursts that can be heard by rodents...
  • HUMANE AND HYGIENIC RODENT REMOVAL : The sound of this non-lethal repeller causes harmless discomfort to drive away unwanted visitors without hurting...
  • DUAL FREQUENCY SIRENS : Emits 88 dB sirens at alternating frequencies every 3 minutes to prevent rodents from acclimatizing themselves to the noise
  • COMPLETELY PORTABLE : Convenient cordless unit with ON/OFF switch, LED indicator, and wall mount slots is powered by 3 AA batteries (sold separately)...
  • LARGE COVERAGE AREA : With one unit covering up to 1500 sq. ft. provided the sound is not impeded by walls or solid objects, the repeller is perfect...
Bestseller No. 8
izbie Z1 Solar Ultrasonic Animal Repeller - Outdoor Ultrasonic Pest Repeller with Motion Detection...
  • REPEL ANNOYING ANIMALS AND RODENT: This ultrasonic animal repeller repels animals by emitting ultrasonic sound, alarm and LED flashing light. When the...
  • DEFEND YOUR GARDEN AGAINST INTRUDERS: Take matters into your own hands and keep stray cat, squirrel, raccoon, skunk, dog or deer from your front porch...
  • SOLAR-POWERED ANIMAL DEFENDER: Our solar ultrasonic animal repeller features a solar charging panel that allows you to recharge its batteries under...
  • CRUELTY-FREE ANIMAL CONTROL: Unlike other cheaply-made electronic squirrel repeller or outdoor bug repellent devices, the Izbie rabbit repellent keep...
  • WITHSTAND WEATHER CONDITIONS: Izbie animal repellent ultrasonic outdoor device is made of durable and lightweight ABS plastic that's IP44 waterproof...
SaleBestseller No. 9
Neatmaster Ultrasonic Pest Repeller Electronic Plug in Indoor Pest Repellent, Pest Control for Home,...
  • Fine tuned the range of ultrasonic frequencies
  • Three function modes, green, blue and red, green and blue is inaudible, red is audible
  • It can cover an area of 80 to 120 square meters
  • Put one in one room as ultrasonic wave can not penetrate through walls and solid objects
  • Working with low frequency ultrasonic wave
Bestseller No. 10
CLEANRTH CIN009 Industrial Electronic Pest Repelling System | Demands Insects, Bats, and Rodents to...
  • Our Most Powerful pest repeller with 9,000 Sq Ft of dominating Power/Coverage | Direct Targeting Ability
  • Over Five New Dominating Pest Repelling Features! We've found that Change is Key when Repelling!
  • 1) High Intensity Ultrasonic Pest Repelling Tech 2) Bat / Insect & Rodent Pest Targeting Switch
  • 3) Digitally Processed Electromagnetic Inner Wall Pest Repelling 4) Pest Confusion Switch
  • 5) Turbulent Storm Ultrasonic Pest Repulsive Technique, Keeps Pests on Edge & not allowing them to get use to the repulsive sounds
SaleBestseller No. 11
Loraffe Plug-in Rodent Repellent Ultrasonic 4-in-1 Pest Repeller Mouse Blocker Rat Deterrent Get Rid...
  • Emits a combination of multiple sounds and LED strobe lights to discourage rodent visits
  • 12 high-intensity LED strobe lights with dusk to dawn sensor disturbs rodents’ eyesight in dark environment
  • Different sounds coming from 3 different speakers maximize rodent repelling results
  • Four different sound modes to choose from: TEST, ULTRA, DUO, TRIO; A volume controller to adjust the volume of the audio speaker
  • INDOOR USE: Simply plug it into a 110 – 220 volts outlet in the room you want to protect from rodents; Ideal for home, businesses, warehouses, etc.
SaleBestseller No. 12
Glaobule Rodent Repellent Ultrasonic Electronic Battery Operated Pest Mouse Squirrel Repellent...
  • Produces powerful and random blasts of ultrasounds and strobe lights to keep rodents and pest animals move on and leave your area
  • Battery Operated mouse repellent is powered by 2 “C” alkaline batteries and lasts 68 days; Each unit covers up to 300sq.ft. (10ft in radius)
  • Humane and Safe to use around your family and pets, all house hold electronics. Repels by using specially designed dedicated sounds above the human...
  • Keep cats, rat, mice, squirrel and other rodents away from your indoor area, like your vehicle, garage, attic, basement, warehouse, barn, kitchen,...
  • ‎1 Year Satisfaction Guarantee. Emits ultrasounds vary between 25,000hz to 55,000hz (out of human hearing range)
Bestseller No. 13
CLEANRTH CR008 Advanced Ultrasonic Rodent Repelling System | Superior Rodent Repeller
  • Over Five New Dominating Rodent Repelling Features! - We've found that Change is Key when Rodent Repelling!
  • 1) High Intensity Ultrasonic Rodent Repelling Technology 2) Digitally Processed Electromagnetic Inner Wall Rodent Repelling
  • 3) Turbulent Storm Ultrasonic Rodent Repulsive Technique 4) Rodent Targeting Switch 5) Rodent Confusion Switch
  • Also has powerful 7,000 Square Feet of Open Area Coverage which all adds up to a very dominant Mice, Rat and Rodent Repeller
  • We Care About Your Success Repelling Rodent Away & We're Ready to Help regardless where you acquire your Cleanrth device
SaleBestseller No. 14
Diaotec Squirrel Repellent Mouse Deterrent Indoor Ultrasonic Squirrel Repeller Pressure Wave Pest...
  • Diaotec rondent repellent consists of transducer and dual speakers, emits high impact pressure wave and 25KHz-60KHz changing ultrasonic sounds,...
  • Diaotec naturally drives rondents out without killing them. No need to clean up dead rodents. The Squirrel Repeller creates an uncomfortable...
  • Four different sound modes to choose from based on the environment: TEST, ULTRA, TRANS,DUO; It can keep squirrels, chipmunk, mice, rats and most of...
  • It is a humane way to drive squirrels, chipmunk, mice, rats and most of the other common rodents away from your indoor area measuring 5,000-6,000...
  • Before using the ultrasonic squirrel repellent, make sure there are no obstacles, such as curtains or cabinet coverings. The unit should be...
Bestseller No. 15
T3-R Triple High Impact Mice, Rat, Rodent Repeller
  • Powers Out Mice, Rats, Squirrels etc. with Repulsive Ultrasonic Sounds (sound above human hearing).
  • Changes in ultrasonic sound repelling is key and that is why the T3R comes equipped with a Duel Triple Attack Design.
  • Easy Application | Stands on its own | Comes with 6ft. plug-in cord.
  • Over 15 years in the business | We stand by our product | Customer service that cares and when needed is willing to take the extra steps for you to...
  • Safe to use around cats, dogs, humans, children, and all house hold electronics. Repels by using specially designed dedicated sounds above the human...
SaleBestseller No. 16
Loraffe Under Hood Animal Repeller Rodent Repellent Ultrasonic Rat Deterrent LED Strobe Lights Keep...
  • Emits a combination of ultrasounds and LED flashlights to deter pesky animals entering your vehicle
  • Simple 2 wire installation to vehicle battery under the hood to provide power to the device; Easy to mount with included zip ties
  • Low voltage protection, automatically stops working to protect the vehicle battery when battery voltage drops below 10.5 (±0.2) volts
  • Features auto standby mode that saves battery power when the car is started, automatically resumes working 10 seconds after the car is parked
  • Designed for vehicles but can be utilized almost everywhere such as garage, attic, barn where a 12 - 24 volts battery is available
SaleBestseller No. 17
DELTAHVAC Solar Repeller, Waterproof Outdoor Machine with Flashing LED Lights, Suitable for...
  • [Effective Device] This solar-powered repeller uses sound and light to scare away moving objects. The range is 110 degrees directly in front of the...
  • [Upgraded solar panel] This machine has dual charging options, which can be charged via a USB adapter or the solar panel on the top of the device. The...
  • [IP44 Waterproof] This outdoor repeller adopts a waterproof design and can work continuously on rainy days. However, in case of continuous bad...
  • [Easy installation] Adjust the product placement position. Select the desired mode and insert the soil. There are 2 hanging holes on the back of the...
  • [Friendly Customer Service] The product adopts a friendly way, so the effect may be different. Please use it correctly according to the manual. It is...
SaleBestseller No. 18
Angveirt Mouse Deterrent Battery Operated Ultrasonic Mouse Repellent Rodent Repeller for Car Engines...
  • Produces powerful and random blasts of ultrasounds and white color LED strobe lights to make rodents feel scared and uncomfortable then move on and...
  • Battery operated mouse repellent powered by 2 “C” alkaline batteries (lasts 65 days for 24 hours operating); Easy to install, no need to plug,...
  • Keep rats, mice and other pests away from your indoor places, like your cars engine compartment, garage, RV, attic, basement, warehouse, barn,...
  • The ultrasonic repellent emits ultrasounds vary between 25,000hz to 55,000hz which is above human hearing, inaudible to humans but mice and rats can...
  • Each repellent covers an area of up to 300 sq. ft. If you have a serious rodent infestation, place multiple repellers facing areas where the rats are...
SaleBestseller No. 19
Loraffe Under Hood Animal Repeller Battery Operated Rodent Repellent Ultrasonic Rat Deterrent Keep...
  • Emits a combination of fluctuating ultrasonic waves and LED flashlights to deter pesky animals entering your automobile
  • Operates on 3 AA alkaline batteries, lasting up to 45 days
  • Auto standby while driving to save battery power
  • Cordless connection, easy to mount within any car, tractor, boat, or other vehicle with included zip ties
  • Designed for vehicles but can be utilized almost everywhere such as garage, attic, barn, etc.
Bestseller No. 20
Advanced Ultrasonic Rodent Repelling System | Superior Rodent Repeller, 2020 Upgraded Electronic...
  • [Dedicated to Rodent Repelling]:Unlike other pest repeller on the market, our ultrasonic mouse repellent is designed to target mice, rats, squirrels...
  • [Twin Mode Operation]:The Ultrasonic rodent repellent uses the latest smart chips and it has two mode operation. Different modes emit different sound...
  • [100% Safe for Humans and Pets]:No chemicals, no killing. This ultrasonic mice repellent is made of ABS flame retardant material, durable and...
  • [Wide Effective Coverage]:The effective range of our mice repeller is 155000 square inches. It’s widely used in bedrooms, kitchens, halls,...
  • [60 Days Product Warranty]:In general, the satisfied results can be taken within 2-3 weeks, if you don’t see obvious result within 4 weeks, Please...

Having trouble finding a great Guardian Squirrel Repeller?

This problem is well understood by us because we have gone through the entire Guardian Squirrel Repeller research process ourselves, which is why we have put together a comprehensive list of the best Guardian Squirrel Repellers available in the market today.

After hours of searching and using all the models on the market, we have found the best Guardian Squirrel Repeller for 2023. See our ranking below!

How Do You Buy The Best Guardian Squirrel Repeller?

Do you get stressed out thinking about shopping for a great Guardian Squirrel Repeller? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Guardian Squirrel Repeller, which is why we have assembled a comprehensive list of the greatest Guardian Squirrel Repeller available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Guardian Squirrel Repeller that you consider buying. Your questions might include the following:

  • Is it worth buying an Guardian Squirrel Repeller?
  • What benefits are there with buying an Guardian Squirrel Repeller?
  • What factors deserve consideration when shopping for an effective Guardian Squirrel Repeller?
  • Why is it crucial to invest in any Guardian Squirrel Repeller, much less the best one?
  • Which Guardian Squirrel Repeller are good in the current market?
  • Where can you find information like this about Guardian Squirrel Repeller?

We’re convinced that you likely have far more questions than just these regarding Guardian Squirrel Repeller, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Guardian Squirrel Repeller, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Guardian Squirrel Repeller. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Guardian Squirrel Repeller buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Guardian Squirrel Repeller currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Guardian Squirrel Repeller has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Guardian Squirrel Repeller?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Guardian Squirrel Repeller.
  5. Customer Ratings: Number ratings grade Guardian Squirrel Repeller objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Guardian Squirrel Repeller.
  7. Product Quality: You don’t always get what you pay for with an Guardian Squirrel Repeller, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Guardian Squirrel Repeller is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Guardian Squirrel Repeller information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Guardian Squirrel Repeller is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What is the best squirrel repellent?

A: Hoont Solar Powered Motion Activated,Ultrasonic Pest Repeller (our#1 pick for your yard) Hoont Motion Activated Jet Blaster (Great solution depending on your yard setup) MaxMoxie Repeller. ?All Natural Rodent Defense Spray (a non-chemical repellent spray) Animal B Gon Repellent Granules by Ortho.

Q: What’s the best Sonic squirrel repellent?

A: Best Ultrasonic Squirrel Repeller MUKER Ultrasonic Pest Repeller. The Mukerdevice uses advanced ultrasonic technology that interferes with the nervous system of squirrels and other pests, causing them discomfort and forcing the pests to leave … SavHome Ultrasonic Pest Control Repeller. … Forsous Pest Control Ultrasonic Repeller. …

Q: What is the best way to repel squirrels?

A: Invest in gutter guards and covers for downspouts so that squirrels won’t have access to your house from the rooftop. Trim tree branches that hang over your roof line. … Don’t let any material or debris pile up against the side of your house. … Inspect your house and walls for cracks,crevices and openings that are large enough for squirrels. …

Q: Do ultrasonic squirrel repellers really work?

A: Do ultrasonic squirrel repellents work? The short answer is no, ultrasonic rodent repellents don’t work. Some homeowners have noted an immediate effect at first, but over time the rodent problem will continue to persist. Do ultrasonic pest repellers work squirrels? Most animals, including squirrels, can hear ultrasonic sounds.