NO BACK UP PRODUCTS AT ALL!! Will not honour warranties.

I bought 3 brand new Hi Sense portable Air Conditioners from AC Direct. After 2 days of running, one of them started giving off a strong solvent smell, like paint thinners. It was so bad that I had a headache from the fumes. The exhaust was venting outside, so it wasn't from the exhaust. I shut the AC off and the smell disappeared. I immediately notified AC Direct. They admitted in writing that they have had quite a few issues with this model and would arrange to collect it. A few days later they fetched the faulty unit. About a week later after multiple follow ups on my part, they said that the unit was running fine and nothing was wrong and it was going to be returned to me. I was stunned. A simple google search revealed that such an odour coming from an AC unit is evidence of a refridgerant gas leak. When I asked AC Direct who did the test and what was done, the answers were: It was done by an inhouse technician and that the unit was cooling and heating. My complaint was about the solvent smell, not about whether it was cooling or not. I asked if they tested for a gas leak and they said no he never tested for a refridgerant leak. They never tested for my issue and merely delivered the item back. Why would I buy 3 items, then in this heat of summer, return pone of them at great inconvenience to myself, if nothing was wrong with it? Now I am lodging a formal complaint with the Consumer Protector and we will see how AC Direct dodges this. I am also getting the unit tested by a professional and will sue AC Direct for the bill of that person's services.