# HVAC guys, need advice...again! :D **URL:** \ **Category:** PittSpeed Off Topic\ **Created:** [March 24, 2008, 5:11pm UTC](https://forums.speedlife.net/t/hvac-guys-need-advice-again-d/196319 "2008-03-24T17:11:42Z")\ **Posts on this page:** 1\ **Showing post:** 8
**Author:** ![Bravada\_442](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bravada_442/32/5982_2.png) [@Bravada\_442](https://forums.speedlife.net/u/Bravada_442)\ **Post date:** [March 25, 2008, 9:07am UTC](https://forums.speedlife.net/t/hvac-guys-need-advice-again-d/196319/8 "2008-03-25T09:07:47Z")
> [@I need a Credit Card, which one to get?](https://forums.speedlife.net/t/i-need-a-credit-card-which-one-to-get/35623/20): > > I couldn’t find one of those on this model. It’s a 395CAV\*\*\*\*\*\* They re-classified their numbering structure a couple of years ago. I figured it might be newer than it is, but apparently not. 395 and 311 model furnaces are very very similar internally. Just a base model, single stage 80% furnace. --- _[View the full topic](https://forums.speedlife.net/t/hvac-guys-need-advice-again-d/196319)._