About Us

Heating, Cooling, and Air Quality Experts in the Twin Cities

Air Quality Services (AQS) is a family owned and operated licensed contractor, providing high quality heating, cooling, and indoor air quality products and services in the Twin Cities metropolitan area of Minnesota. We have earned the reputation as a high quality HVAC provider in your community for over 10 years through our commitment to providing the best products and service and building long lasting customer relationships. Our core values of honesty, integrity, and excellent customer service keep loyal customers coming back to AQS. Read testimonials of what our customers are saying about us.

We have the credentials, licenses, and certifications to ensure you receive the best HVAC installation and services in the metropolitan area. We are also proud to provide heating and air conditioning services in the following cities: St. Louis Park, Plymouth, Edina, Crystal, Robbinsdale, Bloomington, Eden Prairie, Richfield, Minnetonka, Lake Minnetonka, Excelsior, Chanhassen, Excelsior, Shorewood, Wayzata, Deephaven, Golden Valley, Hopkins, Mound, Tonka Bay, and New Hope. Click on NATE Certification & Other Credentials to review them.

Association/ Affiliations

NATE Certification and HVAC Credentials

The Von Ruden brothers, Brad and Bernie, own and operate Air Quality Services, Inc. (AQS). Since 1996, we have combined our individual expertise and talents to bring our customers the best air comfort services and products.

AQS ensures quality installations and service for your HVAC equipment and supports these efforts through NATE Certification.

Brad earned NATE Certification in sheet metal design and installation. He leads our Remodel & New Construction Teams for all residential and commercial applications.

Bernie earned NATE Certification with a specialization in Service. Bernie’s expertise in mechanical operation provides excellent leadership for our Service & Replacement Teams, which helps keep our customer’s equipment operating efficiently. He also provides assistance in leading new construction projects.

The Von Ruden's use their knowledge in these areas to lead the sales efforts and manage the Office & Field Operations for AQS, ensuring that our customers and their needs are our #1 focus.

Why Use Companies with NATE Certification?

NATE (North American Technical Excellence) is the leading certification program for HVAC technicians and provides the only testing that is recognized and supported by the entire HVAC industry.

87% of consumers demand technician excellence.  NATE-certified technicians deliver.  The certification is voluntary, and to date there are only about 23,000 NATE-certified technicians in the entire United States.  NATE tests are rigorous tests that relate to a technician’s applied knowledge in Service and Installation.  Technicians must pass both a CORE program and one of two SPECIALTIES. Certification by NATE means customer assurance because it means getting the best installation and service the HVAC industry has to offer.  Today more than ever, your HVAC technician needs extensive knowledge and a wide skill-base to service your needs in our computerized world.  Give yourself peace of mind and call AQS for all your HVAC needs at (952) 928-3838.

Specializing in Heating Services – Furnaces, Furnace Replacement, Furnace Repair and Furnace Maintenance