I be telling her to keep the air conditioning off for as long as possible into May/June for the same reason!
Air-conditioning? What is that? Most homes aren't airconditioned here - the summer is too short to spend the money on it. Cars are though.
Everyone wants to be safe, to get it right the first time
They are used to getting the answer from the internet, not working it out for themselves. Google knows all - but it has no skill. Knowledge isn't power, nor is it valuable, because it is freely available - it is what you can do with it that matters.