Residential Attic Insulation: Blown-In Insulation vs. Batts - Which is Best for Calgary Homes?

Okotoks, Canada - December 31, 2025 / Eco Attic Solutions Inc. /

Calgary, Canada – Eco Attic Solutions Inc. compares blown-in and batt insulation performance for Calgary homeowners navigating attic upgrade decisions. The analysis draws on climate data specific to Prairie temperature extremes and 500+ local installation projects completed since 2009.

Calgary's temperature range (−30°C to +30°C annually) and 4,200–4,800 heating-degree days create specific insulation requirements that differ from other Canadian regions. Eco Attic Solutions Inc. presents data-backed recommendations based on home age, attic configuration, and real-world return on investment for both material types.

Residential Attic Insulation Performance in Extreme Temperatures

Both blown-in and batt materials achieve R-50 to R-60 values required for optimum performance in Calgary homes. However, the installation method directly impacts effectiveness in retrofit situations versus new construction.

Blown-in insulation delivers seamless coverage around obstacles common in older homes:

  • Ductwork and electrical wiring

  • Irregular joist spacing

  • Roof trusses and structural elements

  • Patchwork framing in homes built before 2000

Research from Natural Resources Canada confirms that continuous insulation reduces heat loss and limits thermal bridging when installed following manufacturer specifications. Field studies demonstrate that improperly fitted batt insulation with gaps and compression can substantially reduce effective thermal resistance in localized areas.

Cost Analysis and CEIP Financing Benefits

Recent industry data shows residential attic insulation projects range from $1.00–$3.50 per square foot installed, with material choice and project scope affecting final costs. Calgary homeowners access favourable financing through the City's Clean Energy Improvement Program (CEIP).

Upgrade Scenario

Project Cost

Annual Savings

CEIP Payment (15-year)

Net Annual Benefit

R-12 to R-50 (Blown-In)

$2,900

$630/year

$216/year

$414/year

R-20 to R-60 (Blown-In)

$2,900

$495/year

$216/year

$279/year

R-0 to R-50 (New)

$3,200

$1,100/year

$238/year

$862/year

 

CEIP programme features include:

  • 3.75% interest rate financing (2025)

  • 10% discount on the total amount owed

  • Repayment through the property tax bill

  • No early payoff penalties

  • Financing transfers with property sale

Energy savings calculations use Calgary climate data, current natural gas rates, and typical R-12 to R-50 upgrades verified by Natural Resources Canada standards.

When Each Material Type Performs Best

Professional attic insulation selection depends on specific home conditions rather than universal recommendations.

Blown-in insulation excels in:

  • Homes built before 2010 with irregular attic spaces

  • Attics showing ice dam formation or uneven snow melt

  • Installations requiring combined air-sealing treatment

  • Properties with non-standard joist spacing

Batt insulation works efficiently for:

  • New construction with standard 16 or 24-inch joist spacing

  • Clean attic spaces with minimal obstacles

  • Homeowners planning regular attic access

  • Budget-conscious projects with DIY capability

Residential insulation specialists in Calgary complete most blown-in installations in 4-6 hours for average-sized Calgary attics. Professional batt installations typically require 6-8 hours for comparable spaces.

Three-System Approach to Attic Efficiency

Effective attic performance requires integration of air-sealing, insulation, and ventilation systems. Adding insulation without addressing air leakage through recessed lights, plumbing penetrations, and electrical boxes limits thermal performance regardless of R-value achieved.

Building code ventilation requirements in Alberta specify 1/150 net free ventilating area for balanced intake and exhaust systems. Proper ventilation prevents moisture accumulation that leads to condensation, mould growth, and structural concerns in Calgary's cold winter climate.

Residential insulation specialists in Calgary verify ventilation adequacy during assessment appointments, identifying deficiencies that compromise insulation effectiveness.

Service Details and Evaluation Process

Eco Attic Solutions Inc. serves Calgary, Airdrie, Okotoks, Cochrane, Chestermere, High River, Strathmore, and Crossfield. The company provides formaldehyde-free blown-in fibreglass installation with strict protocols protecting living spaces during project completion.

Inspection appointments include:

  • Current insulation level measurement

  • Air leakage identification using thermal imaging

  • Ventilation system evaluation

  • Written proposal with project scope and timeline

  • Energy savings calculations specific to the property

Homeowners receive support for Canada Greener Homes Grant applications, EnerGuide evaluations, and provincial incentive programme documentation. Every installation includes before-and-after photos, R-value verification measurements, and 12-month workmanship warranty coverage.

Residential attic insulation contractors handle CEIP application processing and coordinate financing approvals for qualified projects. Most inspections require 45-60 minutes, with detailed written proposals delivered within 24 hours.

Calgary homeowners can schedule a free attic inspection by calling (403) 990-9033 or emailing [email protected] to discuss project requirements and receive property-specific energy savings calculations. Eco Attic Solutions Inc. operates throughout the Calgary region with efficient scheduling and prompt response to inquiries.

About Eco Attic Solutions Inc.

Eco Attic Solutions Inc. specializes in residential attic insulation services in Calgary and surrounding communities. Since 2022, the company has completed over 500 attic insulation projects using system-based methods that address air-sealing, insulation, and ventilation requirements for Prairie climate homes. 

Contact Information:

Eco Attic Solutions Inc.

2018 402 Ave W
Okotoks, AB T1S6c7
Canada

Tyler Haar
+1 403-990-9033
https://ecoatticsolutions.com

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Original Source: https://ecoatticsolutions.com/2025/12/25/residential-attic-insulation-blown-in-insulation-vs-batts-which-is-best-for-calgary-homes/

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