Heating & Air coupons & deals in St. Louis, MO
8 offers from 3 companies · checked October 3, 2026
Offers
- $50off
First heating or cooling repair
Aire Serv of St. LouisEnds Dec 31Ends Dec 31
- $500off
Steam humidifier installation
Classic Aire CareEnds Oct 31Ends Oct 31
- $139
Precision tune-up
Scott-Lee Heating Company - $500off
New high-efficiency HVAC system
Aire Serv of St. LouisEnds Dec 31Ends Dec 31
- $25off
Comfort system service or repair
Scott-Lee Heating Company - 10%off
Any service for first responders, teachers, seniors, and military
Aire Serv of St. LouisEnds Dec 31Ends Dec 31
- Free
Advantage Plan with a new HVAC system
Aire Serv of St. LouisEnds Dec 31Ends Dec 31
- Free
Diagnostic fee with a repair
Aire Serv of St. LouisEnds Dec 31Ends Dec 31
St. Louis hvac & heating and cooling deals at a glance
The biggest discount is $500 off steam humidifier installation from Classic Aire Care. The lowest flat price is $139 for precision tune-up from Scott-Lee Heating Company.
St. Louis hvac & heating and cooling companies with current specials
Common questions
- How do I use these hvac & heating and cooling coupons?
- Open an offer to see its fine print. Most don’t need a code: mention the offer when you call or book. If an offer has a code, give it when you book. The discount is applied by the company.
- Are these hvac & heating and cooling deals current?
- Each offer is checked against the company’s own website, most recently on October 3, 2026. Companies can change or end offers at any time, so confirm the details when you book.
- Do these companies serve my neighborhood?
- Each company lists its service area. Search by your ZIP code to see only companies that serve your address, sorted by distance.