No, your heater should certainly provide adequate heat for winter and it is not even December. Some cars do have issues at idle with a slight temperature drop but it gets hot again when moving.
I think your repair shop has an issue that a lot of high volume any brand repair centers have. That is keeping up with occurring issues, problems and changes on all the different brands. It is hard enough for a shop that only works on Hondas to keep up with all of the issues pertaining to current issues, recalls, model changes and long term maintenance problems.
It sounds like they assumed the heater valve was working since the heater box door worked and the valve did not leak. However, I bet it is the problem.
I think that is at least the next thing to check. It is probably the only other source for the issue as there are not any others I can think of that have not been checked by your mechanic.
I would suggest going to another service shop to get a second opinion. The site has links to reputable service shops near you if you use the search engine, it will help you out.
Good luck, I hope this helps and let me know how things turn out.
Monday, November 22nd, 2010 AT 2:31 AM