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The attic is the coldest part of your house during winter and the warmest in the summer and may significantly affect the temperatures in your home. The importance of adequate insulation can't be overstated. While turning down your thermostat a couple of degrees can lower your energy bills by a few hundred dollars, the secret to keeping your heating and cooling costs in check is likely hidden above your head.
Why Insulate Your Attic in Ottawa?
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Cut heating bills during Ottawa’s long, cold winters
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Prevent ice dams and roof damage by improving attic temperature control
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Reduce heat loss and improve home comfort
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Improve air quality and reduce drafts by combining insulation with air sealing
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Increase the effectiveness of HVAC systems and lower carbon footprint
Our Attic Insulation Services
We provide full-service attic insulation solutions for all types of homes in Ottawa - from Victorian semi-detached houses in Centretown to new builds in Kanata and Orleans.
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Blown-in cellulose insulation — excellent coverage and air-sealing performance for older Ottawa houses
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Blown-in fiberglass — quick, cost-effective, non-settling options for attics
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Closed Cell Spray foam— for high-performance air sealing and thermal barrier (recommended for problematic air leaks or complex rooflines)
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Rigid foam board for attic access doors on ceilings and kneewalls — continuous insulation where needed
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Air sealing & attic ventilation balancing — seal bypasses, chimney and pipe penetrations, and ensure proper soffit/ridge venting to prevent moisture and ice dams
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Insulation top-up — bring existing attics up to current recommended R-values
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Insulation for attic conversions and finished attic spaces — meet fire and building-code requirements for living spaces
Recommended R-Values for Ottawa
For Ottawa’s climate we typically target attic R-values in the R-50 to R-60 range (approximately RSI 8.8–10.6) for maximum winter performance. Actual target will depend on roof assembly, existing insulation, ventilation and whether the attic is conditioned. We’ll recommend the optimal R-value during the free assessment.
Rebates, Permits & Ottawa-Specific Guidance
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Federal and provincial programs (e.g., energy efficiency grants or incentives) change periodically. Homeowners in Ontario may be eligible for federal programs like Canada’s home retrofit grants or utility incentives from local providers — check program eligibility before scheduling. Current programs include:
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Home Winterproofing Program (HWP)
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Home Renovation Savings™ Program
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Better Homes Ottawa
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Permits: most attic insulation upgrades do not require a building permit, but finishing an attic into living space or altering structural/ventilation systems may. We can advise and assist with permit guidance for the City of Ottawa’s, or any regional planning departments requirements.
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We provide documentation and scope statements useful for rebate applications and energy audits
Who Should Consider Attic Insulation
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Homeowners noticing high winter heating bills or uneven temperatures
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Houses with visible ice dams or roof frost in winter
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Homes with old, settled insulation or insufficient depth
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Homeowners finishing or converting attics to living space
Our Attic Insulation Process
STEP 1
Consultation
We start with a thorough assessment of your attic to determine your insulation needs.
STEP 2
Customized Solutions
Based on the assessment, we create a tailored plan that fits your budget and requirements.
STEP 3
Professional Installation
Our trained technicians use the latest equipment to ensure a quality installation.
STEP 4
Follow-Up
We provide ongoing support and check-ins to ensure your insulation is performing as expected.
Our Services
