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Verified Reviews for Pest Control pros in Ontario, WI

*The Angi rating for Pest Control companies in Ontario, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Pest Control needs.

*The HomeAdvisor rating for Pest Control companies in Ontario, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Pest Control needs.

Last update on October 03, 2026

Top-Rated Pest control specialists in Ontario - Updated Nov 2026

Avatar for Terminix® Pest Control
Terminix® Pest Control
3.9(
1,074
)
Pest Control - Bugs and InsectsPest Control - RodentsPest Control - Termite+6 more

Serving Ontario, WI and surrounding areas

Approved

In business since 1927

Free estimates

Warranties offered

"Very knowledgeable guy who seem to know what he’s doing. Don’t know results of spraying. Have had much rain since. Will have to see if it worked. Terminex will spray again the beginning of next month."
My jobs
My jobs
My jobs
My jobs
My jobs

+2

58 neighbors recently requested a quote
Recommended by81%of homeowners
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Avatar for Bat Masters
Bat Masters
5.0(
22
)
Pest Control - Birds and BatsPest Control - Birds and Bats - For Business

Serving Ontario, WI and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

"Customer service was FANTASTIC! Ryan went above and beyond to help resolve our bird nesting problem"
The Bat!
Where they are...
Where they are...
Bat exclusion
Bat exclusion

+135

9 neighbors recently requested a quote
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Avatar for Wisconsin Bat Specialists, LLC
Wisconsin Bat Specialists, LLC
4.8(
4
)
Pest Control - Birds and BatsPest Control - Birds and Bats - For Business

Serving Ontario, WI and surrounding areas

In business since 2012

Emergency services offered

Warranties offered

"Thorough and complete work. Also helped secure some siding on the house that was lose."
Response time2 days
Response rate97%
Recommended by100%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Mosquito ControlPest Control - Bed BugsPest Control - Bugs and Insects+3 more

Serving Ontario, WI and surrounding areas

In business since 1971

Credit card accepted

"United Air Temp was able to procure a replacement furnace controller board in a couple of days and Zachary was out within 4 days of the initial visit. The furnace now works very well."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Recommended by65%of homeowners
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Pest Control FAQs, answered by experts

Yellow jackets are a type of wasp in the Vespula and Dolichovespula genera. Hornets are another type of wasp in the Vespa genus. Hornets and yellow jackets are closely related and are both known for being large and aggressive. They are often confused with one another, too. For example, the bald-faced hornet is actually a yellow jacket, and the European hornet, a true hornet, looks much like a yellow jacket.

Spider egg sacs are meant to last, so you can't crush them. One of the best ways to deal with them is to vacuum them up and then quickly dispose of your debris in the trash so the egg sacs leave your property permanently. Egg sacs surrounded by little spiderlings means that it has already hatched, but you may be able to catch many of these with a vacuum cleaner, too.

If rats found a spot they liked to build a nest, then it’s possible more rats will show up or return to that same spot. That’s why it’s important to close off any access points rats may be using to get inside your home.

Yes, it’s possible for bats in your attic to find a way into your living spaces. Until you can properly remove the bats, the best course of action is to keep the attic doors closed and any holes sealed. Evidence suggests bats follow the airflow in your home, so they may try escaping from the attic to other parts of the house.

There is very limited scientific evidence to support the efficacy of essential oils against bed bugs and they are very unlikely to kill the species. However, a 2021 study published by the National Center for Biotechnology Information (NCBI) found that compounds in essential oils like clove oil, lemongrass, citronella, and bergamot could repel the insects.

The Ontario, WI homeowners’ guide to pest control services

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