I'm 87 but still active. I'm a DIY person and have installed my own solar system and just finished installing a 1 ton mini split that cost me $550.00 on Amazon. It is great. I have two Heat Pumps on my house in Yuma, AZ. I just added a soft start to one. Always can use help when something goes wrong with one of those units. I can also help anyone that wants to install a mini-split or soft start.