How can I keep my house cool in the summer without AC?
Practical strategies to lower indoor temperatures during hot weather without air conditioning, using ventilation, shading, fans, and heat reduction techniques.
- Block sun and use cross-ventilation to flush heat out4
Close blinds on sun-facing windows during the day and open windows on opposite sides at night to replace trapped heat with cooler air.
📌 diy📌 free4/23/2025, 10:42:36 PM
🛠️ Blinds or curtains, box fan (optional), awnings or shade trees (optional)
- Use fans and evaporative cooling to lower perceived temperature4
Position fans to move air across skin and combine them with evaporating water for additional cooling, especially effective in dry climates.
📌 diy📌 low cost4/23/2025, 10:42:36 PM
🛠️ Ceiling fan, portable fan, bowl, ice or frozen water bottles, damp cloth (optional)
- Reduce indoor heat from appliances, cooking, and lighting3
Shift heat-producing activities to cooler hours or outdoors and swap inefficient lighting to stop adding heat to your home.
📌 diy📌 free4/23/2025, 10:42:37 PM
🛠️ LED light bulbs, outdoor grill or microwave (optional)