Add 10% for very sunny rooms; subtract 10% for heavily shaded ones.
Look for high (Seasonal Energy Efficiency Ratio) ratings. A higher rating means lower monthly electricity bills. SEER2 18–20: A solid, cost-effective baseline. buy mini split ac online
Add 4,000 BTUs if the unit is installed in a kitchen due to appliance heat. 2. Choosing the Right Efficiency (SEER2) Add 10% for very sunny rooms; subtract 10%
For ceilings over 8 feet, add 10% more BTUs for every extra 2 feet of height. Add 10% for very sunny rooms
Ensure the unit uses an inverter compressor to maintain steady temperatures efficiently. 3. DIY vs. Professional Installation When buying online, you have two main routes: Go to product viewer dialog for this item.