When booking your heating and cooling system tune up and check up, ensure the appointment is several weeks ahead of the date when you need it done. This is because the heating and cooling system companies are always booked, and if you try to plan your heat and a/c tune up and check up too close to the day and time, you’ll be disappointed. The companies are always busy and can’t fit you in. I’ve learned to book weeks in advance and it’s smooth as ever with no problems. This was a hard earned lesson. It took me almost 6 instances of getting turned down and being late on my heating and cooling system tune up and check up to know it’s better done in advance. But, now that I have, I am truly thrilled with the results. I always get my central heating and cooling system tuned up and checked up the right way each season to ensure that it’s functional for the extreme weather that we have in the Winter season and Summer. I do get the central heating and cooling system tuned up in the fall as well. But it’s truly rare that I need a heating or cooling system at that time of the year because the temperature feels wonderful. So, call your local heating and cooling company a month before you want your heat and a/c tune up.