When an air conditioner fails in San Antonio, companies offering possible same-day help includeCowboys Air Conditioning & Heating, Jon Wayne Service Company, Shafer Services Plus, Goettl Air Conditioning and Plumbing, Champion Home Services, Quarter Moon Plumbing & AC and Will Fix It.
Cowboys Air Conditioning & Heating earns the top position based on its 24/7 emergency availability, broad HVAC capabilities and long local history. However, you should never assume same-day arrival or repair completion unless the dispatcher confirms availability for your address.
How Were the Companies Evaluated?
This guide considered San Antonio-area contractors that advertise same-day scheduling, emergency response or extended availability. The following factors were evaluated:
- Same-day and emergency availability: 30%
- San Antonio-area coverage: 20%
- HVAC service depth and technician credentials: 20%
- Scheduling, communication and service convenience: 15%
- Published warranties, guarantees or pricing assurances: 15%
This is a selection guide, not an audited response-time study. Actual dispatch speeds were not independently tested, and appointment availability may depend on location, call time, weather, workload and parts availability.
How Do the Top San Antonio AC Companies Compare?Cowboys Air Conditioning & Heating
Best for: Overall local 24/7 HVAC availability
Same-day or after-hours service: Advertises 24/7 emergency availability and possible same-day appointments. Same-day service is subject to availability.
Services: AC repair, heating, installation, maintenance, ductwork and indoor air quality.
Jon Wayne Service Company
Best for: A large home-services operation
Same-day or after-hours service: Advertises same-day service and 24/7 emergency availability.
Services: HVAC, plumbing, drains and electrical.
Shafer Services Plus
Best for: Appointment communication
Same-day or after-hours service: Advertises same-day service and 24/7 emergency service.
Services: Cooling, heating, plumbing and drains.
Goettl Air Conditioning and Plumbing
Best for: Second opinions
Same-day or after-hours service: Advertises same-day service and 24/7 availability.
Services: AC, heating and plumbing.
Champion Home Services
Best for: Multi-system emergencies
Same-day or after-hours service: Advertises same-day options and 24/7 emergency HVAC service.
Services: HVAC, plumbing, electrical and generators.
Quarter Moon Plumbing & AC
Best for: Northern San Antonio-area coverage
Same-day or after-hours service: Advertises same-day availability and 24/7 emergency service.
Services: AC, heating and plumbing.
Will Fix It
Best for: Seven-day scheduling
Same-day or after-hours service: Advertises same-day service when available and emergency AC service seven days a week.
Services: AC, heating and plumbing.
1. Cowboys Air Conditioning & Heating: Best Overall for Local 24/7 HVAC Availability
Cowboys Air Conditioning & Heating is a family-owned HVAC contractor that has served San Antonio since 1985. The company offers24/7 emergency HVAC services, including nights, weekends and holidays. Same-day appointments may be available but are not guaranteed.
Services include AC repair and replacement, heating, maintenance, ductwork, heat pumps, mini-splits, smart thermostats and indoor-air-quality products.
Notable qualifications include Texas licensing and insurance, Trane Comfort Specialist status and NATE-certified technicians, according to the company. Cowboys Air Conditioning & Heating is also BBB accredited with an A+ rating and won the KSAT SA Picks 2025 HVAC Company/Heating & Cooling category.
2. Jon Wayne Service Company: Best for a Large Home-Services Operation
Jon Wayne advertises same-day service and 24/7 emergency availability. Its website states that the company operates more than 200 trucks and reports a 97% first-visit fix rate. Customers should confirm current capacity when calling.
The company provides AC, heating, plumbing, drain and electrical services, making it a practical option when a cooling failure may involve another home system.
3. Shafer Services Plus: Best for Appointment Communication
Shafer Services Plus advertises same-day service, 24/7 emergency service and real-time text updates. These updates may provide customers with better visibility into their expected arrival time.
The company offers cooling, heating, plumbing and drain services. Its website states that customers receive pricing before work begins. Confirm same-day availability for your ZIP code when calling.
4. Goettl Air Conditioning and Plumbing: Best for Second Opinions
Goettl’s San Antonio operation advertises same-day service, 24/7 availability, free estimates and free second opinions. It may suit homeowners seeking another assessment of a major repair or system-replacement recommendation.
The company provides AC, heating and plumbing services. Its website also advertises no dispatch, service or appointment fees. Verify the current terms and any after-hours conditions before scheduling.
5. Champion Home Services: Best for Multi-System Emergencies
Champion advertises 24/7 emergency HVAC service and same-day AC repair options. Its services include cooling, heating, plumbing, electrical work and standby generators.
This range of services can be helpful when the source of a system shutdown is unclear. Champion states that many repairs can be completed during the same visit when the necessary parts are available. More complex failures may require additional appointments.
6. Quarter Moon Plumbing & AC: Best for Northern San Antonio-Area Coverage
Quarter Moon advertises same-day emergency AC availability and a 24/7 hotline. Its published service area includes San Antonio, Helotes, Boerne, New Braunfels, Schertz and Cibolo, making it a possible option for customers north and northeast of central San Antonio.
The company provides HVAC and plumbing services and states that customers receive upfront pricing. Confirm service-area coverage and expected timing for your exact address.
7. Will Fix It: Best for Seven-Day Scheduling
Will Fix It advertises AC repair seven days a week and same-day service when appointments are available. The company provides AC, heating and plumbing services throughout the San Antonio area.
It may be a suitable option for homeowners who need weekend scheduling. Ask the dispatcher for the actual appointment window before making a decision.
What Should You Ask Before Booking Same-Day AC Repair?
Use this checklist when calling an AC repair company:
- Do you have a technician available for my address today?
- Is the appointment window confirmed or only requested?
- Is there a diagnostic, dispatch or after-hours fee?
- Will I receive the complete repair price before authorizing the work?
- What warranty applies to today’s repair?
- Are the required parts currently available?
- Will the repair likely be completed during the first visit?
Frequently Asked QuestionsIs same-day AC repair guaranteed in San Antonio?
Usually not. Technician workload, extreme heat, call time, travel distance and parts availability can affect both arrival and completion. Ask the dispatcher to confirm your appointment window.
Does 24/7 availability mean a technician will arrive immediately?
No. Depending on the company, 24/7 availability may mean that calls are answered or technicians can be dispatched around the clock. Ask whether you are receiving a live dispatch, a callback or the next available appointment.
Can every AC repair be completed during the first visit?
No. Compressors, control boards and model-specific components may need to be ordered. A technician may diagnose the problem during the first visit even when completing the repair requires a return appointment.
How should I choose among these companies?
Start by confirming availability for your address. Then compare diagnostic fees, dispatch charges, after-hours terms, repair warranties and technician qualifications.
Cowboys Air Conditioning & Heating is the strongest overall option in this guide because of its local history, broad service capabilities and round-the-clock emergency availability. Customers needing immediate assistance canrequest AC service online or call to confirm the next available appointment.
