Faszold Indoor Air Quality ServicesTrust Your Local St. Louis & St. Charles County, Missouri Air Quality Experts Indoor Air QualityHumidifiersView Service Indoor Air QualityDehumidifiersView Service Indoor Air QualityAir PurificationView ServiceIndoor Air Quality Services Near St. Louis & St. Charles County MissouriFaszold Heating & Cooling is committed to providing you with absolute comfort. This begins with breathing clean fresh air where you live and work. Indoor Air Quality or IAQ as it’s commonly known can be a serious problem if pollutants, airborne pathogens, pet dander, and other allergens are consistently present in your indoor environment.Understanding the risks associated with poor air quality is important if you want to avoid health concerns such as allergies that may develop from long-term exposure. We provide the best air quality products, such as air purifiers, air scrubbers, humidifiers, dehumidifiers, and professional filtration systems that ensure the air quality in your home or office is optimally clean.Our team is committed to providing quality workmanship with integrity for every customer we serve throughout St Louis and St Charles County. It’s the level of professional service and dedication to your comfort we’ve provided since 1980.A Trusted Name in Indoor Air QualityIt’s not just our name – it’s the Faszold promise to provide exceptional customer service and products that ensure your absolute comfort and well-being. A+ BBB Rated Company In Business Over 40 Years Serving St. Louis Top Rated Local HVAC Company on Google Upfront Transparent Pricing & No Pressure Sales Best Products & Service We Stand Behind & Guarantee We are Licensed, Bonded, and Insured Factory Trained Technicians Easy Service Scheduling & Fast Service Turnaround Request Service NowSee What Our Customers Say About Our ServiceIf I could give them a 10 it would be well deserved. They were here within 4 hours of me calling and my ac running in 1. Very professional and very knowledgeable. Thanks guys you saved us from the Missouri heat and humidity.- Tina Huml, Google Local Guide · Level 6 Read All Customer Reviews Join The Faszold Club Membership (FCM) Program & Save Learn More