Frequently Asked Questions

Use the contact form on our website, email us, or call our office during business hours. Tell us what system you have and what you are experiencing—we will recommend the right type of visit and find a time that works for you.

Degenhardt Heating and Cooling serves Saint Louis, MO and surrounding communities including Affton, Webster Groves, Kirkwood, Chesterfield, Ballwin, Fenton, and many more. If you are unsure whether we cover your address, call us and we will confirm.

We prioritize urgent no-heat and no-cool situations, especially during extreme weather in the St. Louis area. Call our main number—if we cannot answer right away, leave a message and we will return your call as soon as we can. Our office hours are Monday–Friday, and weekends are by appointment.

We are a Daikin Comfort Pro Authorized Dealer—we install and service Daikin systems, including the high-efficiency, inverter-driven Daikin FIT. We'll recommend the right Daikin system for your home, comfort goals, and budget rather than pushing a one-size-fits-all box.

Yes. Many of our technicians hold NATE (North American Technician Excellence) certification, and our team is union-trained through Sheet Metal Workers' Local 36. That means work is performed to professional craftsmanship, safety, and code standards.

Yes. We are a fully licensed and insured HVAC contractor. Our technicians are union-trained and many hold NATE certification, so work is performed to professional standards with proper safety and code awareness.

Yes. We provide free, no-obligation estimates on installations and replacements. Tell us about your home and what you need, and we'll set up a visit and give you upfront pricing before any work begins.

We offer financing options for qualifying projects so you can spread the cost of repairs or replacement over manageable monthly payments. Financing is subject to credit approval; visit our financing page or call for current programs.

Often, yes. Depending on the equipment you install and your utility, you may qualify for Ameren Missouri, Spire, or Daikin rebates. Amounts and eligibility depend on the program and your home, so we'll help you confirm what applies at your free estimate. We don't provide tax advice, and note that the federal 25C energy-efficiency tax credit ended December 31, 2025.

Yes, for most homeowners. Scheduled tune-ups catch wear and safety issues early, help keep efficiency up, and often include priority scheduling and savings on repairs. See our maintenance plan page for what visits typically include.

Most homes benefit from checking the filter every 30 days and replacing it at least every 60 to 90 days, or sooner if you have pets, allergies, or heavy system use. A clean filter protects equipment and helps airflow and efficiency.