On February 16, 2025 By newsroom Topic: Household Needs Buyers Guide
Insulation is a powerful tool to reduce energy costs, enhance home comfort, and contribute to environmental sustainability. Here's a guide to understanding insulation types, determining needs, and maximizing effectiveness.
Attic
- Warm air rises, making the attic the top priority.
- Proper insulation prevents heat loss in winter and heat gain in summer.
Walls
- Insulate exterior walls to reduce drafts and heat transfer. Interior walls can help with soundproofing.
Basement and Crawl Spaces
- Key areas to insulate for heat retention and moisture control.
Floors Above Unfinished Spaces
- Prevents heat loss from rooms above unconditioned areas like garages.
Ductwork and Pipes
- Insulating ducts improves HVAC efficiency, while wrapping water pipes prevents heat loss.
Fiberglass
- Pros: Inexpensive, versatile, widely available in batts, rolls, and loose-fill.
- Cons: Moderate R-value, potential irritation to skin and respiratory system.
- R-Value: R-3 to R-4 per inch.
- Cost: $0.30-$1.50/sq. ft.
Cellulose
- Pros: Eco-friendly, good for tight spaces, treated for fire and pest resistance.
- Cons: Prone to moisture retention and settling over time.
- R-Value: R-3.1 to R-3.8 per inch.
- Cost: $0.60-$2.30/sq. ft.
Foam Board (Rigid Foam)
- Pros: High R-value, moisture-resistant, good for basements and exterior walls.
- Cons: Harder to install in irregular spaces, higher cost.
- R-Value: R-3.8 to R-6.8 per inch.
- Cost: $0.25-$2/board foot.
Spray Foam
- Pros: Airtight seal, ideal for nooks, crannies, and moisture-prone areas.
- Cons: Expensive, requires professional installation, may involve harmful blowing agents.
- R-Value: R-3.2 to R-7.5 per inch.
- Cost: $1-$2/sq. ft.
Attic
- Use fiberglass batts or loose-fill. Aim for 13-18 inches of insulation in colder climates.
Walls
- Blown-in cellulose or spray foam works well for finished spaces.
Basements and Crawl Spaces
- Use rigid foam or spray foam to resist moisture and prevent heat loss.
Ducts and Pipes
- Wrap with thermal insulation to improve efficiency and prevent freezing.
Seal Air Leaks First: Use caulk, foam, or weather stripping.
Hire a Pro: Look for certified contractors for complex projects.
Conduct an Energy Audit: Pinpoint insulation needs with tools like a blower door test or thermal imaging.
Investing in proper insulation ensures a more comfortable, energy-efficient home year-round.