I have a home that’s 2 1/2 years old, and I have a situation in which my master bedroom stays colder than all the other rooms. It’s very noticeable in the winter. To be comfortable, I use a portable heater to warm up the room before bed for my wife and me. I addressed this issue with the builder before our 1-year warranty, and they did send out a company that ran some tests and said that the airflow was in range. They did go into the attic and made an adjustment, but the problem still exists. I’ve called the builder a few times and explained the situation to the receptionist and was told I would get a return call. Still, no one has returned my call. What can I do to have the builder fix this issue? Monty’s Answer: You have two problems: The cold room and the builder. …