The furnace in my sister’s apartment is acting up

I love my sister so much.

We are only fourteen months apart, so I have a built-in best friend for life.

My sister and I used to do everything together. It was really hard for both of us when I met my husband because I started spending time with him, of course. She was used to having my attention all of the time. My husband and I have been married for three years now, and my sister has definitely gotten used to me not being around all of the time. We still try to spend as much time together as possible. I call her every single day, and we chat about how the day was and all of the crazy things that happened at work. She has been renting an apartment for about two years now, and I am trying to get her to move out. She has had so many issues that the landlord refuses to help her with. Now, her furnace is acting up. I went to her apartment the other day, and I noticed that it was much cooler than usual. I asked her why, and she told me that her furnace was not heating the apartment as well as it usually did. She said that she had tried to get ahold of the landlord several times, but he would not answer or return her calls. My husband is relatively good with HVAC issues, so he is going over to take a look at her furnace tonight. I really hope this motivates her to move somewhere nicer. I do not like to see my sister being treated so poorly.