HVAC Services in McAllen and the Rio Grande Valley
No cooling or no heat right now?
Our emergency line is answered 24 hours a day, 7 days a week, across McAllen and the Rio Grande Valley.
All services
Emergency HVAC Repair24/7
Around the clock response when your air conditioning or heat fails, including nights, weekends, and holidays.
Learn moreAir Conditioning Repair24/7
Diagnosis and repair for systems that are not cooling, short cycling, leaking, or making noise.
Learn moreAC Installation
New cooling systems sized by calculation, not guesswork, and installed to hold up in Valley heat.
Learn moreAC Replacement
Straight guidance on when replacing beats repairing, and system replacement done right.
Learn moreHeating Repair24/7
Furnace, heat pump, and electric heat repair for the handful of Valley nights that genuinely get cold.
Learn moreHeating Installation
Heating systems specified for a climate with few cold days and occasional hard freezes.
Learn moreHeat Pump Services
Installation, repair, and maintenance of heat pumps, the best year round match for Valley weather.
Learn moreMini Split Installation
Ductless systems for rooms that central air was never designed to reach.
Learn moreIndoor Air Quality
Filtration, humidity control, and ventilation solutions for Valley dust, humidity, and allergens.
Learn morePreventive Maintenance
Tune ups that catch the small problems in spring instead of the big ones in August.
Learn moreCommercial HVAC24/7
Rooftop units, split systems, and package equipment for Valley businesses, with 24 hour response.
Learn moreResidential HVAC
Everything a Valley home needs from one contractor, from a single repair to a full system.
Learn moreDuctwork Services
Sealing, repair, and redesign for ducts that are wasting cooling in a superheated attic.
Learn moreThermostat Installation
Smart and programmable thermostats installed and configured properly for your equipment.
Learn more
Which service matches your situation
| What you are experiencing | Start here | Urgency |
|---|---|---|
| System is completely down and the house is hot | Emergency HVAC Repair | Call now, 24 hours a day |
| AC runs but does not cool properly | Air Conditioning Repair | Same day or next day |
| System is over 12 years old and needs a major repair | AC Replacement | Call for a free estimate, no rush |
| House is cold but feels clammy | Indoor Air Quality | Schedule an assessment |
| One room never cools no matter what | Ductwork Services | Schedule a duct inspection |
| No heat on a cold night | Heating Repair | Call now if it is freezing |
| Garage, casita, or addition has no cooling | Mini Split Installation | Call for a free estimate |
| Nothing wrong, want to avoid a summer failure | Preventive Maintenance | Book February through April |
| Business rooftop unit failed | Commercial HVAC | Call now, 24 hours a day |
Frequently Asked Questions
What HVAC services does A&A HVAC LLC offer?
Do you serve both homes and businesses?
Which HVAC brands do you service?
Which service do I need if my AC is not cooling?
Reviewed by the A&A HVAC LLC service team, licensed HVAC technicians serving McAllen and the Rio Grande Valley.
Last reviewed for accuracy on . Guidance here is general. Diagnosis of your specific system requires an on site inspection.
Not sure which service you need?
Available 24 hours a day: Emergency HVAC Repair, Air Conditioning Repair, Heating Repair, Commercial HVAC.