Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in St. Louis
AL-DON has been a trusted name in St. Louis for nearly 66 years, delivering expert HVAC solutions since 1955. Founded by Jane Miller and Al Kuennen, the company pioneered maintenance agreements in the region and introduced cutting-edge technologies like the Infltrometer and HEPA-AIRE air purification systems. Our team of certified technicians specializes in residential and commercial heating, cooling, and indoor air quality services, prioritizing customer comfort and health. With a legacy of innovation, AL-DON became a leader in whole-house air quality solutions, offering products like the Air Scrubber Plus to combat pollutants. We serve St. Louis and surrounding areas, providing 24/7 emergency repairs, maintenance plans, and energy-efficient installations.Backed by partnerships with brands like Daikin, Amana, and Armstrong Air, AL-DON combines decades of experience with industry-leading expertise. Our commitment to transparency, reliability, and customer satisfaction has earned us a loyal client base and glowing testimonials. We pride ourselves on personalized service, ensuring every client receives tailored solutions for their comfort needs. From furnace repairs to smart thermostat installations, AL-DON remains dedicated to advancing indoor air quality and environmental responsibility. Our mission is to create healthier, more comfortable living and working spaces through innovative technology and exceptional service.
Services
Residential Cooling
Commercial Cooling
Indoor Air Quality
Maintenance Plans
Emergency Repairs
Details
- Year established: 1955
Highlights and features
- 66+ years of HVAC expertise in St. Louis
- Certified technicians for Daikin and Amana systems
- 24/7 emergency repair services available
- Financing options for HVAC upgrades
- Customer-first approach with personalized maintenance plans
Associations and certifications
- ISO 9001
- ISO 14001
What people say
Polite and professional technicians
Excellent service
Prompt emergency repairs
Knowledgeable staff
Trusted for decades
Services
Residential Cooling
AL-DON provides residential cooling solutions including AC installations, repairs, and maintenance. Our technicians ensure efficient operation and optimal comfort for homeowners. Services cover ductless systems, heat pumps, and thermostat upgrades.
Commercial Cooling
We offer commercial cooling services for businesses, including system installations, repairs, and preventive maintenance. Our team handles large-scale HVAC systems to maintain comfortable environments for employees and customers.
Indoor Air Quality
AL-DON specializes in improving indoor air quality with solutions like Air Scrubber Plus, HEPA filters, and dehumidifiers. These systems reduce pollutants, allergens, and odors for healthier living and working spaces.
Maintenance Plans
Our maintenance plans include seasonal inspections and tune-ups for HVAC systems. Regular service extends equipment lifespan, improves efficiency, and prevents unexpected breakdowns for residential and commercial clients.
Emergency Repairs
We provide 24/7 emergency HVAC repair services for urgent issues like furnace failures or AC malfunctions. Our rapid response team ensures minimal downtime and restores comfort quickly.
Questions
What HVAC services does AL-DON offer?
AL-DON provides residential and commercial heating, cooling, and indoor air quality services, including installations, repairs, maintenance plans, and emergency HVAC support.
Do you offer emergency HVAC repairs?
Yes, AL-DON offers 24/7 emergency repair services for urgent heating and cooling issues.
Are financing options available?
Yes, we offer financing options to help customers afford HVAC upgrades and installations.
What areas do you serve?
We serve St. Louis and surrounding areas, including Creve Coeur and Town and Country.
What brands do you work with?
AL-DON is certified to service Daikin, Amana, Armstrong Air, and Rheem HVAC systems.
How can I schedule service?
Call (314) 567-5585 or visit our website to schedule an appointment for HVAC service or repairs.
