5.0 rating from 254+ Ontario homeowners
Warmer homes and steadier buildings across Southwestern Ontario.
CYM Insulation is a family run contractor from Wheatley, Ontario. We handle spray foam, attic, crawl space, drill and fill, commercial, and agricultural insulation across Windsor, Chatham, and Sarnia.
Trusted across Southwestern Ontario since day one.
Who we serve
One contractor. Three worlds we know inside out.
Residential
Attics, walls, basements, and everything in between. From bungalows in Riverside to farmhouses in Kent.
ExploreCommercial
Storefronts, warehouses, and offices. On time, on spec, and safe on active sites.
ExploreAgricultural
Barns, poultry buildings, greenhouses, and cold storage. Built for humidity and washdown.
ExploreServices
Every insulation job, under one roof.
Spray Foam Insulation
Closed cell and open cell foam that air seals and insulates in one pass.
Learn more
Home Insulation
A whole-home approach for warmer winters, cooler summers, and steady bills.
Learn more
Commercial Insulation
Precision insulation for storefronts, warehouses, offices, and new builds.
Learn more
Agricultural Insulation
Barns, poultry buildings, greenhouses, and storage that hold up to Ontario weather.
Learn more
Attic Insulation
Top up or full replacement to stop the biggest source of heat loss in your home.
Learn more
Crawl Space Insulation
Warmer floors upstairs, drier air downstairs, and less mould risk.
Learn moreWhy CYM
Family run. Fully insured. And here for the long haul.
You are not calling a call centre. You are calling a family that has been insulating Ontario homes and buildings for more than two decades. That is why our reviews read the way they do.
"This company was on time, clean, worked efficiently and finished the job within the quoted price. I would highly recommend. The whole team was a pleasure to work with."
Verified customer, Wheatley, ON
Family run since day one
You get the same names on the phone, in the driveway, and on the invoice. No handoffs.
Local crews
Our installers live in Essex, Kent, and Lambton. They know the housing stock because they live in it.
Certified installers
Trained on WALLTITE, CUFCA guidelines, and Ontario code. We do not train on your job.
Free, no pressure quotes
We measure, explain what we recommend, and leave you with a written quote. No hard sell.
Real energy savings
Most of our customers see a drop in their heating bill through the first Ontario winter after we install.
Warranty and paperwork
We back our work and prepare rebate paperwork so you actually collect the incentives you qualify for.
Financing available
Insulate now. Pay in a way that works for you.
A properly insulated home usually pays for itself in energy savings, but you should not have to wait years to feel the difference. Ask about our financing options during your free quote and start saving on your very next hydro bill.
Flexible monthly plans
Spread the cost of a bigger project across manageable payments.
Quick approval
Most homeowners get an answer inside minutes.
Rebate stacking
Financing pairs with Enbridge and federal rebate programs where you qualify.
How we work
A calm, clear process from first call to final invoice.
- 01
Book a free quote
Fill out the form or give us a call. We follow up within one business day.
- 02
On-site visit
We measure, inspect, and walk through what your home or building actually needs.
- 03
Written quote
You get a clear written quote with product, R value, and price. No surprises.
- 04
Install and finish
Our crew shows up on schedule, does the work, and cleans up before we leave.
What people say
Five star reviews, in their own words.
5.0
254+ Google reviews
"Amazing service. Great work. Found a couple issues and they were prompt with making sure they were resolved. Friendly, clean and extremely professional. Highly recommended."
"Knowledgeable, informative, and efficient. These guys are the people to see. Very glad I chose you guys to do my insulation in my attic. You guys rock. Definitely will refer you to anyone in need of any type of insulation work."
"Michael and Matt and his team did an awesome job. They took out old insulation from my attic and crawlspace and put spray foam insulation in. Very pleased with the work performed by CYM Insulation and would highly recommend this company."
From the field
Practical reads for Ontario homeowners.
8 min read
Drill and Fill Insulation for Homes Built Before 1965
Most Ontario homes built before 1965 have exterior walls with no insulation at all. Here is what drill and fill actually is, why it matters, and what to expect on install day.
7 min read
Basement or Crawl Space Insulation: The Secret to a Dry, Healthy Home
Your basement or crawl space plays a critical role in your home's comfort, energy efficiency, and overall health. Here is why insulating those areas matters.
7 min read
Why Upgrading Your Home Insulation Is the Smartest Investment You Can Make This Year
Insulation delivers long-term comfort, energy savings, and property value that few other renovations can match. Here is why homeowners across Ontario are prioritizing it this year.
FAQ
Answers before you pick up the phone.
Nothing here that fits your situation? Give us a call at (519) 796-3626 and we will talk you through it.
See all FAQsHow much does insulation cost in Ontario?+
It depends on the space and the product. An attic top up on a typical home usually runs from $1,800 to $3,500. A drill and fill on a two storey home is often in the $4,000 to $8,000 range. Basement and commercial work is quoted per project. Every quote is free.
Are there rebates for insulation?+
Yes. Programs change year to year, but insulation upgrades often qualify for federal and provincial rebates such as Enbridge Home Efficiency Rebate Plus. We help with the paperwork.
Do you offer financing?+
Yes. We have financing options that let you spread the cost of a bigger project across manageable monthly payments. Ask about it during your free quote.
How long does a typical job take?+
Most attic top ups are done in a single day. A drill and fill on an average home is one to two days. Basements and commercial projects are quoted by the day.
Do you offer a warranty?+
Yes. We stand behind our workmanship, and manufacturer warranties on the materials we install apply as well.
Are you insured?+
Yes. CYM Insulation is fully insured and WSIB compliant. Certificates available on request.
Free quote
Tell us about your project
Fill out the form and one of our team will follow up within one business day. Prefer a call? We would be glad to hear from you.
Monday to Friday, 8am to 5pm
Serving Windsor, Chatham, Sarnia, and surrounding Southwestern Ontario.