I usually have a pretty strict rule when it comes to getting new air conditioning systems, and I have had the same rule for a long time.
Only buy from a trusted HVAC company.
So buying a used air conditioner from someone else was out of the question. However, sometimes desperate times call for desperate measures. I planned on having my current A/C machine removed because it was just having too many issues and not cooling my home efficiently enough. Unfortunately, getting the new air conditioner kept getting delayed further and further, and I already had my old HVAC unit removed, which left me without cooling. Then the weatherman predicted there was going to be a dangerous heat wave, and that is when I knew I needed a temporary HVAC component. I ended up finding a cheap used portable cooling unit online, and since it was so cheap, I decided to buy it. I honestly didn’t put much faith into the cooling device, but to my surprise, it worked perfectly. Although it couldn’t cool my entire home, whatever room it was in felt great. And unlike a window HVAC or central A/C, I can bring the portable air conditioning system with me wherever I go. The small portable cooling unit was enough to keep me cool through the heat wave, and then afterwards since it did such a good job I decided to keep it as a backup in case I ever get serious weather again. I was also able to get my new central HVAC installed soon after.