Quick answer: Caledon mixes town subdivisions in Bolton and Southfields Village with century farmhouses and country homes across the Oak Ridges Moraine and the Niagara Escarpment. You do not need natural gas to qualify: the Home Renovation Savings Program is also open to homes heated with electricity, oil, propane or wood on the IESO grid. Pro Home Insulation upgrades Caledon attics to at least R-50, with rebates currently up to $1,250. Amounts can change.
Updated November 2026
On this page
- Why Caledon attics need a different approach
- 7 attic issues we see in Caledon homes
- How rural homeowners can prepare
- Attic rebate tiers for Caledon homes
- Facts for older and rural homes
- Rebate paths for Caledon homes compared
- Our process for Caledon properties
- Caledon checklist
- Example project (illustrative)
- Communities we serve in Caledon
- Rural attic decision framework
- Frequently asked questions
- Get a free attic assessment
Why Caledon attics need a different approach
Caledon is large and mostly rural. Bolton and the Mayfield West area have subdivisions where Enbridge Gas is common. Hamlets and villages such as Inglewood, Belfountain, Alton, Cheltenham and Caledon Village include older homes, and many country properties heat with propane, oil or wood.
When heat comes from propane or oil, every bit of heat lost through the attic costs more to replace. Older farmhouses also tend to have additions built at different times, each with its own attic or roof space.
7 attic issues we see in Caledon homes
- Little or no insulation in old farmhouses. Some century homes have only a thin layer, or old material packed between floor boards.
- Several roof sections. Additions, porches and kitchen wings may each need separate attention.
- Vermiculite in older country homes. Homes built or renovated before 1990 may have it. Leave it alone until it is tested.
- Wildlife in the attic. Raccoons, squirrels and mice are common near woodlots, fields and the river valleys.
- Wind exposure. Open country and hilltop lots on the moraine and escarpment get strong winter winds that drive air leaks.
- Ice dams. Heat escaping into the attic melts heavy snow that refreezes at the eaves.
- Settled insulation in Bolton subdivisions. Homes from the 1970s through the 1990s often sit below R-50.
How rural homeowners can prepare
Know your heating fuel and your electricity provider before you call. If you heat with oil, also look at the separate federal Oil to Heat Pump Affordability program on our rebates hub. Then take a photo from the attic hatch, and note any additions that have no hatch at all.
Attic rebate tiers for Caledon homes
The standalone attic path pays 50% of the after-tax insulation cost, up to these maximums. Cottages and seasonal homes can qualify if they meet the requirements.
| Attic before upgrade | Upgrade to at least | Maximum rebate |
|---|---|---|
| R-12 or less | R-50 | $1,250 |
| Above R-12 to R-25 | R-50 | $1,000 |
| Above R-25 to R-35 | R-50 | $800 |
| Cathedral/flat roof, R-25 or less | R-28 | $750 |
| Cathedral/flat roof, R-12 or less | R-20 | $650 |
Read the full rules on our Ontario attic insulation rebate page.
Facts for older and rural homes
- Nearly 1.2 million Ontario residential properties were built in 1960 or earlier (Statistics Canada).
- NRCan estimates air-leakage heat loss in a 1950s home at about $860 a year on electricity, versus about $610 for a home built 2000 or later (Natural Resources Canada).
- Air leakage represents about 20–30% of heat lost from an older home (Natural Resources Canada).
- Zonolite vermiculite from the Libby mine was used until 1990 and may contain asbestos (Health Canada).
Rebate paths for Caledon homes compared
| Your home | Standalone attic path | Bundle path |
|---|---|---|
| Bolton home on Enbridge gas | Yes, if attic is R-35 or less | Yes, up to around $5,000 overall |
| Country home on electric heat | Yes | Yes, up to $10,000 overall |
| Country home on propane, oil or wood | Yes, on the IESO grid | Check eligibility with us |
| Seasonal home or cottage | May qualify if requirements met | Ask before booking |
Our process for Caledon properties
- Site visit. We check each attic and roof section, plus signs of wildlife or moisture.
- Safety first. If we see possible vermiculite, we stop and arrange testing. See vermiculite and asbestos removal.
- Clean-up if needed. Soiled material is handled through animal and insect feces removal and insulation removal.
- Air seal and insulate. We seal leaks and blow in attic insulation to at least R-50.
- Rebate support. We help with the submission as a participating contractor.
Caledon checklist
- Confirm your heating fuel (gas, electric, propane, oil or wood)
- Count attic hatches and roof sections, including additions
- Look for droppings, nests or chewed wiring
- Check for loose, pebble-like insulation (do not touch it)
- Confirm you own the home and whether it was rebated before
Example project (illustrative)
example — not a specific customer.
A century farmhouse near Inglewood heats with propane and has about R-6 in the main attic. Vermiculite testing came back negative.
- Upgrade: R-6 to R-50
- After-tax insulation cost: $3,400
- 50% of cost: $1,700
- Tier maximum (R-12 or less): $1,250, so the rebate is $1,250
- Net cost after rebate: $3,400 − $1,250 = $2,150
- Heat flow through the insulation layer (simplified): 1 − 6/50 = about 88% less
Communities we serve in Caledon
- Bolton
- Caledon East
- Caledon Village
- Inglewood
- Alton
- Belfountain
- Cheltenham
- Terra Cotta
- Palgrave
- Mono Mills
- Southfields Village
- Valleywood
- Rural Caledon
We also serve nearby Brampton and Vaughan.
Rural attic decision framework
| If you find… | Do this first |
|---|---|
| Pebble-like fill | Keep the hatch closed and arrange testing |
| Droppings or nests | Wildlife exclusion, then clean-up |
| An addition with no hatch | Ask how that space can be reached |
| Clean but thin insulation | Air seal, then top up to R-50 |
Frequently asked questions
I heat my Caledon home with propane. Can I get the attic rebate?
You may. The Home Renovation Savings Program is open to homes heated with electricity, oil, propane or wood on the IESO grid, as well as Enbridge gas homes. You must own the home and use a participating contractor.
Do you travel to rural properties in Caledon?
Yes. We serve Bolton, the villages and hamlets, and rural properties across Caledon.
Can a cottage or seasonal home qualify?
Cottages and seasonal homes can qualify for the attic path if they meet the program requirements. We can check the details with you before booking.
Our farmhouse has several additions. Will you insulate them all?
We assess each section. Open attics can usually be topped up, while sloped or closed sections may need spray foam or dense-pack insulation.
What if animals have been living in the attic?
The animals must be out and entry points closed first. Then soiled insulation is removed, the space is sanitized, and new insulation goes in.
Get a free attic assessment
Whether you live in Bolton or on a country road, find out what your attic needs. Pro Home Insulation has more than 10 years of experience. Call (647) 250-0606 or Book online.