Categories Garage Door Tips

The Impact of Garage Door Colours on Energy Efficiency

How Garage Door Colours Influence Energy Efficiency

When selecting a garage door, most homeowners focus on material, durability, and style. However, one often overlooked factor is colour—which can significantly impact your home’s energy efficiency. The right garage door colour can help regulate indoor temperatures, reduce energy costs, and even extend the lifespan of your HVAC system.

How Garage Door Colours Influence Energy Efficiency

Garage doors, especially those facing direct sunlight, absorb and reflect heat differently based on their colour. This impacts the temperature inside your garage and, in turn, your home’s overall energy efficiency.

  1. Dark-Coloured Garage Doors
  • Absorb more heat – Dark colours (black, dark brown, deep blue) attract and retain solar radiation, increasing garage temperatures.
  • Impact in summer – Can make the garage (and adjacent rooms) uncomfortably hot, forcing your AC to work harder.
  • Benefit in winter – Helps retain warmth in colder climates, reducing heating costs.
  1. Light-Coloured Garage Doors
  • Reflect sunlight – White, beige, and light grey doors repel heat, keeping the garage cooler.
  • Ideal for hot climates – Reduces heat transfer into the home, lowering cooling costs.
  • Drawback in winter – May not retain heat as effectively in colder regions.
  1. Neutral & Mid-Tone Colours
  • Balanced performance – Colours like tan, light blue, or green offer a middle ground.
  • Moderate heat absorption – Suitable for regions with mixed climates (hot summers and cold winters).

Best Garage Door Colours for Your Climate

Choosing the right colour depends on where you live. Here’s a quick guide:

✔ Hot & Sunny Climates (e.g., Arizona, Texas, Florida)
  • Best colours: White, light grey, beige
  • Why? Reflects sunlight, prevents heat buildup, and reduces AC strain.
✔ Cold & Northern Climates (e.g., Minnesota, Canada, UK)
  • Best colours: Dark brown, black, deep green
  • Why? Absorbs heat, helps insulate the garage, and supports heating efficiency.
✔ Mixed or Temperate Climates (e.g., California, North Carolina)
  • Best colours: Medium tones (taupe, slate blue, olive green)
  • Why? Balances heat retention and reflection for seasonal changes.

Additional Energy-Efficient Garage Door Features

While colour plays a key role, other factors enhance energy efficiency:

  1. Insulation
  • Polyurethane or polystyrene insulation helps regulate temperature.
  • R-value matters – Higher R-value = better insulation.
  1. Material Choice
  • Steel & aluminum – Durable but conduct heat; insulation is crucial.
  • Wood – Naturally insulates but requires maintenance.
  • Composite doors – Offer insulation and weather resistance.
  1. Weather Stripping & Seals
  • Prevents drafts, keeping hot or cold air from entering.
  • Reduces energy waste and improves climate control.
  1. Window Placement (If Applicable)
  • North-facing windows allow natural light without excessive heat.
  • Double-pane glass improves insulation.

Tips to Maximize Energy Efficiency

  1. Pair colour with insulation – A dark door in a cold climate works best with proper insulation.
  2. Consider solar reflectance index (SRI) – Higher SRI = better heat reflection.
  3. Maintain your garage door – Check seals, insulation, and alignment regularly.
  4. Use a reflective coating – If repainting, opt for heat-reflective paint.

Final Thoughts

Your garage door color doesn’t just enhance curb appeal—it also impacts your home’s energy efficiency and indoor comfort. By selecting the right shade based on your climate and combining it with insulation and weatherproofing, you can optimize energy efficiency year-round.

Need help choosing the perfect garage door? Contact our experts today for a consultation tailored to your home’s needs!