Family-Owned in South St. Louis Since 1984
The history, people, and credentials behind Degenhardt Heating and Cooling — a company built on the principle that good service doesn't cost, it pays.
The Degenhardt Guarantee
Built to last — and backed in writing
Free Estimates
Know your options before you spend a dollar. Estimates on replacements and installs are always free — no obligation.
Same-Day Service
No heat or no cool? Call early and we aim to be there the same day — South St. Louis is our backyard.
Transparent Pricing
The price we quote is the price you pay. Clear, up-front pricing approved before any work begins — no surprise fees.
Licensed & Insured
Union-trained Local 36 and NATE-certified technicians, fully licensed and insured for your protection since 1984.
Who We Are
Family-Owned, Community-Focused
Your Trusted Local Experts
Degenhardt Heating and Cooling was founded as a customer-focused company, and that commitment remains our daily mission.
Our longevity is a testament to our dedication to quality work, personal service, and a price/value emphasis that produces lasting satisfaction. We believe in doing things right the first time.
Our certified professionals meet the highest performance standards in the industry, ensuring your project is handled with care and precision.
1984
Serving STL Since
Local 36
Union Trained
NATE
Certified Techs
BBB A+
Accredited
Our Journey
A Legacy of Excellence
From humble beginnings to your trusted local experts
Founded in South St. Louis
Degenhardt Heating and Cooling opened as a family-owned heating, cooling, and sheet-metal shop — the same family name is still on the trucks today.
BBB A+ Accreditation
Earned Better Business Bureau accreditation and have maintained an A+ rating.
Union-Trained & NATE-Certified
Sheet Metal Workers Local 36 craftsmanship and NATE-certified technicians, serving South St. Louis and the greater metro as a Daikin Comfort Pro and Rheem dealer.
Our Values
Integrity, Quality, and Customer Confidence
The principles that guide everything we do
Integrity
We believe in honest service and fair pricing. No upselling, just solutions.
Quality
We deliver expert work backed by industry-leading certifications.
Customer Focus
Creating confident, satisfied customers is our passion and our promise.
Excellence
We continuously improve to exceed expectations every time.
Ready to Experience the Difference?
Join thousands of satisfied customers who trust Degenhardt Heating and Cooling for their needs.