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London's Professional Insulation Experts. Delivering Efficiency, Providing Comfort®
Koala Insulation of London delivers energy-saving solutions designed for our Canadian climate. From spray foam to blown-in insulation and batt, our team helps keep your property comfortable through cold winters and humid summers while lowering energy bills. We combine premium materials with professional installation to protect your home from drafts, moisture, and rising energy costs. Whether you’re upgrading an older home, building new, or improving a commercial property, we make the process simple, reliable, and stress-free from start to finish. Our team is a reliable and dependable partner to a number of General Contractors. We will work closely with your team from opening bid through to job completion adhering to tight construction schedules. Whether your project is a residential attic insulation top-up or a large, multi-year commercial or industrial project, Koala Insulation of London will do the job right, on time, and on budget. That is the Koala Way.
Top Insulation Contractor in London
Our Partners and Associations
Spray Foam Insulation London
Spray Foam is a two-part product that is heated and then is sent through a hose into the stud cavity, where it hardens in a matter of seconds and creates a long-term barrier that keeps your home comfortable and energy efficient.
Blown In Attic Insulation London
Consisting of small pieces of insulation, this type of insulation can quite literally fill every nook and cranny of a space and create an uber-fluffy layer of effective insulation. Our technicians ensure your attic, wall and ceiling cavities are filled correctly and without gaps or voids.
Insulation Removal Services London
If you’re experiencing moisture damage, pests, mold, diminishing efficiency, or other problems, we’ll remove existing insulation, and sanitize and deodorize the areas.
Batt Insulation Installation London
One of the most recognizable forms of insulation. Batt comes in large rolls or pre-cut sections that are typically pink or yellow in color. These are installed in sheet form and laid out between the studs in walls, floors, and attics.
Air Sealing Service London
We identify and seal leaks letting air in and out of your home to reduce unwanted temperature loss or gain.
Solar Attic Fans London
Solar attic fans turn your attic into a livable space by pushing hot air out and pulling cool air in. Our fans use solar energy to keep your attic at a comfortable temperature year-round.
Crawl Space Encapsulation London
Keep your crawl space dry and your floors warm with vapour barrier crawl space insulation that helps you save energy.
Commercial Insulation Services London
Give your workspace a boost with our commercial insulation services. Whether you’re upgrading an office, retail space, or industrial facility, we’ve got solutions that fit your needs. Our goal is to help you create a comfortable space while cutting down on energy costs, so you can focus on what you do best.
London’s Choice for Quality Insulation Installation
Proudly rooted in London, Ontario, Koala Insulation brings local expertise and premium materials to every project, helping you create a home that’s comfortable in every season. From your first call to the final installation, we focus on friendly service, practical solutions, and results you can rely on year after year.
Koala Insulation Of London
If you’re tired of paying high energy bills and struggling to keep your home comfortable—cool in the summer and warm in the winter—your insulation may be the issue. Poor or outdated insulation can cause uneven temperatures, drafty rooms, and higher-than-necessary energy costs. If you’re looking for insulation companies near you, Koala Insulation proudly serves homeowners and businesses across London and Southwestern Ontario.
As part of Canada’s trusted insulation brand, Koala Insulation of London offers fair, transparent pricing, expert installation, and exceptional customer service. We know how urgent insulation issues can be, which is why our team responds quickly and works efficiently to restore comfort and energy efficiency in your home.
We provide a full range of services—including Spray Foam Insulation, Blown-In Insulation, Batt Insulation, Air Sealing, Solar Attic Fans, Insulation Removal, Crawl Space Services, and Builder Services. Our experts will help you choose the right insulation solution for your property and budget—without compromising on the quality and performance that deliver lasting results.
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Common Causes of Poor Insulation
Insulation problems are often caused by:
Aging materials: Even well-installed insulation breaks down over time. Replacing it with modern, high-quality materials restores efficiency.
Moisture, pests, or debris: These issues can enter through small gaps and reduce insulation’s performance.
Gaps and air leaks: Unsealed areas around windows, doors, attics, and crawl spaces allow heated or cooled air to escape, driving up energy costs.
Our Ontario Insulation Services
- Blown-In Insulation: Installed with a wide hose, this option (fibreglass, cellulose, mineral wool, or denim) fills attics, ceilings, and wall cavities for complete coverage.Spray Foam Insulation: Expands to seal gaps and cracks while insulating, strengthening walls, and reducing noise.
- Batt Insulation: Pre-cut sheets of fibreglass, mineral wool, or cotton, fitted precisely between studs for maximum efficiency.
- Air Sealing: Closes leaks in attics, crawl spaces, windows, and doors to block drafts and stabilise comfort.
- Solar Attic Fans: Circulate air and prevent heat build-up without increasing your utility bills.
- Insulation Removal: Safely removes damaged or contaminated insulation, followed by a complete clean and sanitisation.
- Crawl Space Services: Seals leaks, controls moisture, and adds insulation to improve comfort and indoor air quality.
- Builder Services: Partners with residential and commercial builders to deliver energy-efficient insulation solutions across Ontario.
Why Choose Koala Insulation of London
When it comes to your home’s comfort and efficiency, trust matters. Our London-based team is dedicated to delivering high-quality work, on-time service, and a stress-free experience from start to finish. We take pride in our reputation and the results we provide for homeowners across London and Southwestern Ontario.
Schedule your free assessment today and discover how Koala Insulation can help you stay comfortable year-round while lowering your energy bills.
We’ll make your space more Comfortable
Lower Energy Bills
Insulation can lower energy bills substantially. Proper insulation helps reduce heat loss and the energy used for heating and cooling. Let us give you reduced monthly costs!
Protect Your Family from Mold, Allergens, and Fire
Insulation, Air Sealing, and Crawlspace Encapsulations create a moisture barrier, keeping moisture, mold, allergens, and pests out of your home. The lack of proper insulation can also be a fire hazard. Enjoy your home stress free by knowing that you and your family are protected!
Affordable R-Value
Blown-in Insulation is very cost effective and allows you to get better comfort and lower monthly costs at an affordable price point. Blown In insulation is a no brainer as a homeowner. Let us help you save on the upfront costs!
Reduced Carbon Footprint
By reducing energy waste, you're helping the environment. Let us help you do your part for a brighter tomorrow!
Pays For Itself Over Time
By saving on your electricity bill each month, your insulation upgrade will pay for itself over time and you’ll save money for years to come . Let us give you a return on your investment!
Energy Efficiency
Proper insulation increases your home's efficiency, reduces energy loss out of the roof and floors, and lowers monthly energy costs.
What to Expect In 5 Easy Steps
Schedule Your Free Evaluation
Contact your nearest Koala Insulation Location, recognized as the #1 trusted insulation expert nationwide. We will discuss your needs and schedule an appointment to provide a free evaluation.
Home Efficiency Assessment & Estimate
One of our friendly insulation experts will perform a thorough home efficiency assessment. Your insulation expert will then review the assessment findings, the science behind these findings, and why any changes are needed. Lastly, your insulation expert will provide the best option that fits your home efficiency needs and your budget.
Schedule Your Insulation Service
We will schedule your insulation service for the soonest availability that fits your schedule because we understand that your home insulation is a priority!
Installation
Our team of highly skilled insulation technicians will install your premium insulation solution in as little as two hours. We treat your home like our own and take time to leave it cleaner than it was before.
Enjoy Your Comfortable & Efficient Home
Enjoy a more efficient home with lower energy bills and improved comfort year-round. Enjoy your improved home stress free knowing that Koala Insulation stands behind their work! Reach out to your Koala Insulation team anytime for support.
Your Trusted Partner for Comfort & Efficiency
At Koala Insulation of London, we’re known for dependable workmanship, clear communication, and spotless installations. Our team is dedicated to making the process straightforward and stress-free while delivering real, measurable improvements in your home’s comfort and energy efficiency. Our track record across London and throughout Ontario reflects the pride and care we bring to every project.
10/10–no notes. Thanks again, Dan!
They did a great job excellent clean up no mess. Showed us the pictures big difference from before to after. Work was completed highly recommended Koala Insulation to everyone.
Fair pricing and quick service and took the time to explain work thoroughly and provided before and after pictures. Will use his services again on other properties.
Koala Insulation of London
Get a quote
Ready to start your insulation project? Get a free quote from your local Koala Insulation team today.
