Attic Insulation in Richmond Hill

Quick answer: Most Richmond Hill attics built before the 2000s sit well below today’s R-60 code target for new homes. Upgrading to at least R-50 can qualify you for up to $1,000 (attics above R-12 to R-25) or up to $1,250 (R-12 or less) through Ontario’s Home Renovation Savings Program. The program is currently scheduled to run until March 31, 2027, and amounts can change.

Updated November 2026

7 signs your Richmond Hill attic is underperforming

1. Upstairs bedrooms swing hot and cold. Two-storey homes in Rouge Woods, Westbrook and Devonsleigh often have rooms that never match the thermostat.
2. You can see the joists. If the tops of the ceiling joists show, you likely have less than about R-25.
3. Icicles and ice dams on the eaves. Heat escaping into the attic melts snow, which refreezes at the cold edge of the roof.
4. Frost on the underside of the roof deck. This points to warm, moist air leaking up from the house.
5. Dark streaks on the insulation. These often mark air leaks, where dusty indoor air has been filtering through.
6. Scratching noises at night. Squirrels and raccoons are common near the ravines and older trees in Mill Pond and Richvale.
7. Your furnace runs constantly in January. Enbridge Gas bills that keep climbing can be a sign of heat loss through the ceiling.

See more in signs your attic needs insulation.

How to prepare your home before an attic upgrade

Clear the closet or hallway under your attic hatch, and move anything stored directly below it. Note which rooms feel coldest so we can check those areas first.

If your attic is above a finished bonus room or has a cathedral section over a great room, mention it. Those areas use different rebate tiers and different methods.

How the rebate math works in Richmond Hill

The standalone attic rebate pays 50% of your after-tax insulation cost, up to the tier cap. Here is what that looks like at a few job costs for a home starting above R-12 to R-25 (cap $1,000).

Amounts can change and funding is first-come, first-served. Full rules are on our Ontario attic rebate page and rebates hub.

What the research says

• Air leakage represents about 20–30% of heat lost from an older home (Natural Resources Canada).
• NRCan estimates the yearly cost of air-leakage heat loss for a home built 2000 or later at about $280 on natural gas (Natural Resources Canada).
• Ontario targets about R-60 for attic ceilings in most new homes (Ontario Building Code, SB-12).
• More than 10% of Canada’s annual energy goes to heating homes (Natural Resources Canada).

Standalone attic rebate vs the bundle path

You cannot claim both attic rebates on the same home. Learn more about the Home Renovation Savings Program.

Our step-by-step process

1. Book a free assessment. We measure depth and R-value, and check soffits, bath fan venting and the roof deck.
2. Review your quote. We confirm your likely rebate tier and the target R-value.
3. Seal the leaks. Air sealing goes in first around top plates, plumbing stacks and light boxes.
4. Add baffles and insulation. We keep the eaves open and blow insulation evenly to at least R-50.
5. Clean up and hand over documents. You get what you need for the rebate submission.

Pre-visit checklist

• Attic hatch is reachable and clear
• You know roughly when the home was built
• You have a recent Enbridge Gas or electricity bill
• You have noted any past roof leaks or animal problems
• You have confirmed the home is in your name

Example project (illustrative)

example — not a specific customer.

A 1995 two-storey home in Westbrook has about R-20 of settled fiberglass. The plan is air sealing and a blown top-up to R-50.

• After-tax insulation cost: $1,800
• 50% of cost: $900
• Tier maximum (above R-12 to R-25, to R-50): $1,000
• Estimated rebate: $900 (below the cap)
• Net insulation cost: $1,800 − $900 = $900

Neighbourhoods we serve in Richmond Hill

• Mill Pond
• Oak Ridges
• Bayview Hill
• Jefferson
• Westbrook
• Rouge Woods
• Devonsleigh
• Richvale
• North Richvale
• Langstaff
• Crosby
• Harding
• Elgin Mills
• Observatory

We also work in nearby Markham, Vaughan and Aurora.

Quote comparison table

Fill this in for each quote you collect so you compare like with like.

A longer version is in our insulation quote comparison template.

Frequently asked questions

Is my 1990s Richmond Hill home eligible for the attic rebate?

Usually, yes, if you own it, heat with an eligible fuel and have not already received an attic rebate for it. Many homes from that era measure above R-12 to R-25, which falls in the up-to-$1,000 tier when upgraded to R-50.

Do you work on homes in Oak Ridges with larger attics?

Yes. Larger or more complex attics take longer, but the process is the same. We measure the whole space and quote based on area and target R-value.

My great room has a cathedral ceiling. Can it be insulated?

Often, yes, but the method differs from an open attic. Cathedral and flat ceilings have their own rebate tiers, up to $750 for R-25 or less upgraded to R-28. We assess access and venting before recommending an approach, which may include spray foam insulation.

Will new insulation stop ice dams?

Better insulation and air sealing reduce the heat that reaches the roof, which is the main cause of ice dams. Clear soffit vents matter too, so we install baffles as part of the job.

What if animals have been in my attic?

We remove droppings and contaminated insulation first through our animal and insect feces removal service. Make sure entry points are sealed so the problem does not return.

Get a free attic assessment

With more than 10 years of experience, Pro Home Insulation helps Richmond Hill homeowners find out exactly what is in their attic and what rebate tier they fit. Call (647) 250-0606 or Book online.