Summer un-even temperatures are really warm & dry & it’s impossible to survive without weather conditions control. When I started to have complications with the indoor air un-even temperatures, I consulted with a licensed & certified Heating & A/C corporation in the area. I labor with a couple of unusual Heating & A/C corporations so I had plenty of names to call. I am a building corporation & I mainly labor on remodels & renovations, but during these renovations, I usually labor side by side with plumbing corporations & Heating & A/C corporations. I have met a couple of good people & we all have each other’s business cards for emergencies. I called 1 of the men that I knew & I asked him to come supply me an quote for the repairs. I easily thought the complication was the AC. It was about many years old, however I changed the air filter every month love clockwork. I was surprised when the corporation told me that the plan needed to be cleaned. The evaporator coils were covered in dust, They were seriously dirty & Joe said this was the reason for our less than ideal indoor air un-even temperatures! Joe suggested having a tune-up service performed on the entire heating, cooling, & ductwork system. I easily expected a huge service bill. Thank goodness I called a acquaintance & not someone that could have charged me a fortune for something that wasn’t necessary. That is 1 good thing about getting to assume other people in this business. If I ever need a helping hand, I have plenty of people to call that I assume I can trust.