In-laws... do you think I'm wrong??!!😠

So me and my husband have been married now for almost a year in August and we have beautiful baby boy due in September! We have been together though a total of almost 8 years all through high school and then moved in with him right after and have been living together now 3 years and ever since we got a place together and in these past 3 years I have had nothing but problems with my in-laws my husband was raised by his grandpa and his grandpa's wife and funny thing is she only just became his wife like 2 years ago and only got married because my husband told them he was going to ask me to marry him and not a week later she made him go get married she is just one of those women who thinks she's better than everyone very snobby and is a total snake! I have heard very bad things about her from people she's friends with we live in a small town.. and I have had countless falling outs with her and each time she brings my family into it and is just so selfish and mean!! We used to live a mile down the road from them but now we actually live right next door because of my husband farming.. and his grandpa has always irritated me a bit he's always so cranky and also one of those who thinks his shit doesn't stink basically and is just simply always pissed off at the world! He thinks he controls our life hell he thinks he controls the neighbors lives to that's how bad he is he does have his Times that he's just fine but rarely and most every night he's drunk whiskey drunk at that and he not a nice drunk either and it's just got to the point to where I don't want to be around him or his wife and I never hardly go to their house and my husband understands why well lately he has been being an even bigger ass for example the other day something was mentioned about our a/c it has a problem when the filter hasn't been cleaned or changed in a while during the summer it will freeze up the whole system so you have to shut it down let it thaw clean the filter then it will work well it just so happened to n9t be working the other day when it had got mentioned to my in-laws not that we needed anyone to come fix it my husband was going to when he got home well it was getting super hot in our house 80+ degrees and we had company coming over I was trying to get the house picked up and I'm 24 weeks pregnant so I called my husband and was on the phone with him telling him I needed him to get hone a little early to take care of it that I had to shut it down well about that time his grandpa is at my door I'm trying to see what he needs get off the phone with my husband and keep the dogs from going in the house in my just mopped floors! Well was instantly grumpy about that he then starts in with me about how we need to clean the filter or freezes up and we have to shut it down blah blah blah I kept trying to tell him we already knew that but he would listen to me I finally had to start getting cranky with him and told him he could just talk to my husband about it we already knew next thing I know he has his fingers pointed in my face telling me he's not telling Chad he's telling me and is talking to me like some child I then asked him to just leave he then tells me to shut up which is the wrong thing to say to me I told him not to talk to me like that and he just kept on with trying to lecture me and I told him repeatedly to just leave he then proceeds to ask me what my problem is I told him that I was tired of his asshole attitude he always has and fee 9ther things I don't totally recall because at that point I was fuming and no one ever stands up to him he just talks down to people all the time and no one says anything well it really pissed him off I do t think he realized I can be just as mean as that man I was just so angry and upset I didn't feel bad what so ever I have just had it in pregnant and don't need him coming over and having his attitude with me I don't need the added stress I felt bad and told my husband he needed to deal with I hate putting him in that situation but what am I supposed to do I don't feel I was wrong all I was trying to do was talk to him but he just kept talking at me and wouldn't let me get a word in.. but in any confrontation I have had with his family they always make me out to be such a bitch and that it's my fault and they never do anything wrong... my family would never treat my husband that way ever...