i am 65 years old and my Mom lives with me she is 81 my husband has stage 4 copd has to be on oxygen 24 hours a day we bought our window units 9 years ago now we are on social security there not cooling anymore my husband has to have air so does my Mom we can’t afford central air or heat we use electric heaters My husband doesn’t leave the bed room it’s to hot to move around his little ac helps in his room we had a big unit in kitchen it went out now all we have is 500 btu unit’s and there old if some one could please help us we barely get by it would mean the world to us we’re not asking for a lot just air conditioning we don’t use our oven much at all please we just need to get some air in here thank you so much