Mountain Air Diesel Emissions

Awesome and professional place for quick diesel emissions service! Was recommended here after my local spot couldn't do it due to their equipment down and the location they referred me to booked a month out. But that location referred me to this spot due to its location in mountains and not many people and was able to get in within 2 hours! Test was done within 15 minutes of getting there and uploaded so I could get my tags from kiosk a few days later. Great service and my emissions test quickly taken care of! I highly recommend the drive up to this location if needing a diesel emissions quickly. The staff is very professional and the price was only $75 for a front wheel drive diesel! Happy I was referred to this location!

I cannot say enough about the two guys working here. They were both excellent at their jobs. I have a couple Chevy 4500's and the traction control has been an issue at a few other shops. These two guys were able to research the issue and find a solution. The emissions was completed very quickly. If you are looking for an emissions for your diesel, give these guys a call.

Just got my emission test done on my Sprinter Van. Tyler and Dylan were extremely professional and very friendly. Easy 20 minute process. I highly recommend this place for emission test

Our Sprinter is not always easy to get into a shop. They took great can of the emissions test and got the vin check done as well. Outstanding!!

The tech's are first rate. They know their jobs and are very friendly. I've been here several times for work and have always been treated respectfully and had every question answered promptly and with a great explanation. The wait times are not long at all, due to quick turnarounds. They have a small but comfortable waiting area and nice mountain views. Always a pleasure to go there. Thanks for all your help.

Awesome overall service!! They were available same day, fast service only took 15 minutes, and reasonably priced! This spot is doing it right!

I had a appointment for 4:30. I showed up around 4:25 pm i was directed to go around back to a door on the side. Once i got there the door was locked i called the lobby again and the lady said someone would be there we waited till 4:45 till the guy came out. He didnt seem very friendly. He then went through the full process of my emmissions test. Then told me i failed because of my catylitic converter. He said the welds where to close to the cat. This was never a problem before. What i dont get is if he didnt like the way my cat looked why did he take the time to strap my truck down to the dyno and run the full opacity test in the first place when i had already failed the visual. Meanwhile im waiting with a antsy toddler. For nothing. He also mentioned that my muffler could be a problem when i go to the state.my muffler has nothing to do with emmissions. Thats tells me there is a lack of knowledge going on. I left frustrated with the whole ordeal/waste of time and money. Schedualed a appointment with my regular shop and they passed me just like they do every year. I only came here because i didnt have time to wait for my regular place. Looks like i will have time next year! Thanks for making me pay twice for emmissions this year.

It is not easy getting an AWD diesel emission test in the denver area. I was able to get a same day appointment and the service was great.

Diesel emissions - no problems, went smoothly. I have a very tall camper (11.5' total) on the truck and their bay could accommodate it easily without removal.

Fast, easy and convenient. I had a tire issues and had to come back and they honored my previous visit