I'm having the exact same issue. Takes me ten minutes to even pull up this forum page. I'm so over HughesNet. They say they can send someone out but it will cost $125. What a freaking scam.
If you'd like to get help with your speed issues, please start a new topic, which you can do here... https://community.hughesnet.com/t5/forums/postpage/board-id/TechSupport
Keep in mind that the help you will receive here is different than the help on the phone, so it may very well benefit you to start the new topic.
If you're still experiencing the speed issue and would like help, please start a new topic, which you can do here...