The tonnage-12000 BTU = 1 ton and the SEER rating (seasonal energy efficiency rating will determine your condenser size. The more surface area the mor heat can be dissapated. A 13 SEER will be larger than the 10 SEER of many years ago even with the s...
Look into portable air conditioners. Go to or call an air conditioner company and ask questions about portable air conditioners. Here is a website to check out:
Yes it absolutely is. Definitely do it. you will not regret it!!!