Short answer: The Same Guys Insulation removes old, wet or contaminated attic insulation and re-insulates homes across Oshawa, Ontario, from the older neighbourhoods near the lake and downtown to newer north-end subdivisions. We’re based just east in Bowmanville. Most remove-and-re-insulate jobs are completed in one day, and qualifying upgrades can get up to $1,250 back through the Ontario Home Renovation Savings / Enbridge attic rebate. Call 647-453-7037.
Attic insulation removal and re-insulation for Oshawa, Ontario homeowners. Older Oshawa stock often holds wet, compressed, or contaminated insulation that needs to come out before a modern blow-in. We remove what is failing, address moisture and mould concerns when present, then re-insulate toward ~R-60. Based in Bowmanville; most jobs finish in one day.
From postwar bungalows near Lakeview and Vanier to mid-century streets around downtown and O’Neill — and newer builds toward Kedron — attic conditions vary widely. Older homes more often need full removal because original insulation has settled, gotten damp from poor ventilation, or was never thick enough. Ontario Home Renovation Savings / Enbridge rebates (up to $1,250) often apply to qualifying upgrades.
Attic insulation services in Oshawa
- Attic insulation removal when material is old, wet, mouldy, contaminated, or too thin to leave in place
- Moisture and mould assessment before anything new goes down
- Blown-in re-insulation toward ~R-60 where suitable
- Air sealing, soffit baffles, and ventilation checks as part of the same job
Basement insulation is also available.
How a typical Oshawa job works
- Get a quote. Send us your address, attic details or a few photos and we’ll give you a quote. For some homes, depending on age and construction, we do a quick site check before the job so there are no surprises. When we start the work, we confirm insulation levels, moisture, mould risk, and airflow. If the old material is not sound, removal comes first.
- Remove — Wet, mouldy, contaminated, or failing insulation is taken out so we are not covering a problem.
- Address moisture — When moisture or mould is present, we flag it and coordinate the right next step before new insulation goes in.
- Re-insulate & seal — Even blown-in coverage toward ~R-60, plus air sealing and ventilation fixes where needed.
- Clean up — We leave your home tidy and walk you through what was done.
Remove or top up? Oshawa’s housing ages matter
Oshawa grew in waves around the auto industry. Much of the housing near downtown dates from the 1900–1930 boom, when McLaughlin’s carriage works became General Motors of Canada (City of Oshawa heritage research). Neighbourhoods like Lakeview filled in with bungalows and townhomes in the 1950s and 60s after GM’s south Oshawa assembly plant opened in 1954 (Oshawa’s Automotive Community). North-end areas like Taunton, Windfields and Kedron are much newer.
- Pre-war and early 1900s homes: attics often have very little insulation, old patchy layers, or past rodent activity. These homes frequently start at R-12 or less, the highest rebate tier ($1,250 cap), and removal is common.
- 1950s–60s bungalows: low-slope roofs and tight eaves make soffit venting and air sealing critical. Compressed or damp insulation at the edges is a common reason to remove rather than top up.
- Newer north Oshawa homes: usually dry and sound, so a top-up to R-50+ is typically all that’s needed. We measure first; if the attic is already above R-35, it’s past the rebate’s eligibility range.
What to look for in an attic insulation removal contractor in Oshawa
- A clear, itemized quote. Send the address, attic details or a few photos and you should get a written quote that lists the work and the finished R-value. For some homes, depending on age and construction, a quick site check before the job makes sure there are no surprises — a visit isn’t required just to get a price.
- A clear remove-vs-top-up call, explained. You should hear why the old material can stay or why it has to come out.
- An itemized quote. Removal, air sealing, baffles/venting, any mould-related work, and new insulation listed separately, with the target R-value written down.
- Rebate rules handled correctly. For the Home Renovation Savings attic rebate, the contractor must be on the program’s participating contractor list, and the finished attic must reach at least R-50 across 100% of the roof assembly.
- Insurance and WSIB coverage for the crew working in your home.
- No high-pressure door-knocking or calls claiming to be “from Enbridge.” Enbridge and the IESO say they do not solicit by phone or door to door.
More on the process: attic insulation removal and re-insulation in Durham Region.
Ontario Home Renovation Savings / Enbridge rebate for Oshawa attics
Oshawa homeowners can use the Ontario Home Renovation Savings attic rebate when a participating contractor brings the attic up to at least R-50. The program pays 50% of after-tax insulation cost, up to $1,250 if the attic starts at R-12 or less, $1,000 from above R-12 to R-25, and $800 from above R-25 to R-35, with no energy assessment required. The applicant must own the home, and it must be heated primarily by Enbridge gas or connected to the Ontario grid, and not previously rebated for attic insulation.
Two things matter on remove-and-re-insulate jobs: your rebate tier is based on the starting insulation level, which is recorded before any old insulation comes out, and program documents describe the rebate as covering insulation purchase and installation, so we itemize removal and any mould-related work separately. The Same Guys Insulation is an approved Home Renovation Savings contractor; we confirm eligibility, do the work to program standards, and complete the contractor-side paperwork. Full steps and official links: Ontario attic insulation rebate. Source: homerenovationsavings.ca.
Why homeowners in Oshawa call The Same Guys
- Locally owned and operated (Bowmanville)
- ~98 five-star Google reviews
- Fully insured
- Thorough attic diagnosis covering insulation, ventilation, and moisture
- Removal + re-insulate done as one coordinated job when needed
- Rebate paperwork handled for you
FAQ — attic insulation in Oshawa, Ontario
Why do older Oshawa homes need removal more often than a simple top-up?
Postwar and mid-century stock frequently has thin, compressed, or moisture-affected insulation. Blowing new material over a wet or contaminated layer locks in the problem. We’ll tell you which path fits — usually from your photos, or in person if a site check is needed. Newer Kedron-area builds may only need a top-up, while older Lakeview, Vanier, or downtown attics more often need a clean remove-and-re-insulate.
Do shallow bungalow attics in Oshawa change the job?
Yes. Many Oshawa bungalows have low-clearance attics where ventilation and air sealing matter as much as depth. We check soffit baffles and airflow before blowing toward ~R-60 so the new insulation can actually perform.
What moisture or ventilation issues show up in older Oshawa attics?
Blocked soffits, missing baffles, and bathroom or kitchen exhaust dumping into the attic are common. Thorough attic diagnosis covering insulation, ventilation, and moisture comes before any re-insulate — we will not cover an active moisture source.
What is included in a typical Oshawa remove-and-re-insulate attic job?
Remove failing material, address moisture when present, air seal and fix ventilation as needed, then blow fresh coverage toward ~R-60. That full scope is what we recommend when Oshawa insulation is past topping up.
How much does attic insulation cost in Oshawa?
Price tracks attic size, existing condition, and removal needs. Most jobs fall around $1,500 to $4,500+; contaminated or full-removal projects sit toward the upper end. Free, no-obligation quotes.
Can you help Oshawa homeowners claim Enbridge / Home Renovation Savings rebates?
Yes. Approved-contractor support for Ontario Home Renovation Savings / Enbridge — we help Oshawa homeowners with eligibility and paperwork for upgrades that can return up to $1,250.
Does my older Oshawa house qualify for the full $1,250 attic rebate?
Possibly. The $1,250 cap applies when the attic is at R-12 or less to start and is brought up to at least R-50. Many pre-war and postwar Oshawa homes start in that range, but the tier is set by the starting level, which we confirm from your details or photos, or in person if a site check is needed.
Should I remove the old insulation in my Oshawa bungalow attic or just add more?
Add more if it’s dry, clean and even. Remove it if it’s damp at the eaves, mouldy, contaminated by rodents, or so thin and compressed that air sealing and baffles can’t be installed properly. We show you photos and explain the call.
Who does attic insulation removal and re-insulation in Oshawa, Ontario?
The Same Guys Insulation does remove-and-re-insulate attic jobs across Oshawa from our Bowmanville base, including Home Renovation Savings rebate jobs. Call 647-453-7037 for a free quote.
What areas near Oshawa do you serve?
Nearby city pages: Courtice, Whitby, Bowmanville, and Ajax. Search Oshawa, Ontario — not bare “Durham,” which can mean North Carolina online.
Get a free quote in Oshawa
Call 647-453-7037 or email info@thesameguysinsulation.com.
The Same Guys Insulation
83 Henry Smith Ave, Bowmanville, ON L1C 0W1
Hours: Open Daily 9am–6pm
Related: Attic Insulation Removal · Attic insulation removal in Durham Region · Ontario attic insulation rebate · Attic Insulation · Wall Insulation