"I have found Dave Hopf of Mountain Air Systems to be a courteous professional,

with many years of experience, who is well versed in his trade. 

Dave does know his specialized business inside and out.  

I have referred him to many colleagues who also report that if you want the most complete, comprehensive approach to address indoor air quality...

Dave's The Man!"

-Dennis S. - Medford

."Wow, what a difference Dave has made in our indoor air quality. The reduction in dust and just the smell of our home is fresh and inviting."

- R Peterson - Medford 

We called Mountain Air Systems to solve our hvac issue. Our new house in Medford had a ton of debris, dust, gunk in the duct system left by the installers(won't mention names).Mt Air came out with the specialized equipment and expertise and did a fantastic job. I think I have the cleanest ducts in town, lol. Dave  Hopf and his crew were prompt, courteous, and cleaned up well after themselves. They also put in an 'air return' vent and duct in my man cave which the installers had neglected to do. Perfect!


 Dave has a special interest in inside air quality, which is important for health and well being. He is big on filtration. He has got my vote. Mt Air Systems is a company you can count on to do the job right the FIRST TIME. Thank you Mt Air.


Steve O'Neill

Medford, Oregon

Indoor Air Quality Specialist

Providing Air Duct Cleaning and Air Quality Services

for a healthy indoor environment in your home or office !