Improving the insulation of an Art Deco duplex house can be done in several ways. Here are some of the best methods:
1. Seal air leaks: Air leaks can significantly reduce the effectiveness of insulation. Identify and seal any gaps or cracks around windows, doors, electrical outlets, and pipes. Use caulk, weatherstripping, or expanding foam to seal these areas.
2. Upgrade windows: Old windows in Art Deco houses often have single panes and poor insulation. Consider replacing them with energy-efficient windows that have double or triple glazing and low-E coatings to improve insulation and reduce heat transfer.
3. Insulate the attic: Heat tends to escape through the attic, so adding insulation to the attic floor can be a cost-effective way to improve insulation. Use fiberglass insulation batts or blown-in cellulose insulation to achieve the recommended R-value for your region.
4. Insulate walls: If your walls have no insulation or poor insulation, consider adding insulation to improve thermal efficiency. This can be achieved by either injecting blown-in cellulose insulation into the wall cavities or by installing insulation boards on the interior or exterior surface of the walls.
5. Insulate the basement or crawl space: If your Art Deco house has a basement or crawl space, insulating the walls and floor can prevent heat loss and cold drafts. Apply insulation to the walls or install rigid insulation boards. Additionally, insulate the rim joists or foundation walls to improve energy efficiency.
6. Upgrade the roof insulation: If your Art Deco house has a flat roof, adding insulation to the roof can be crucial. Consider installing rigid insulation boards beneath the roofing material or applying spray foam insulation to the underside of the roof deck.
7. Install energy-efficient doors: Replace old doors with energy-efficient ones that have proper weatherstripping and insulation cores. This will help prevent drafts and heat loss/gain.
8. Reflective roof coatings: If your Art Deco house has a sloped roof, applying reflective roof coatings can help to reduce heat gain during hot weather, improving overall energy efficiency.
9. Consider window treatments: Installing heavy curtains or blinds with thermal linings can provide an additional layer of insulation, reducing the transfer of heat or cold through windows.
10. HVAC system upgrades: Upgrading to a more efficient heating, ventilation, and air conditioning (HVAC) system can also contribute to improved insulation. Properly sized and insulated ductwork, along with a high-efficiency furnace or air conditioner, can significantly reduce energy usage and improve indoor comfort.
Remember, it's always best to consult with a professional insulation contractor or energy auditor to assess your specific Art Deco duplex house and recommend the most suitable insulation improvements for your needs.
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