(210) 610.2332 
HVAC Services
Trusted HVAC Services in San Antonio, TX—Done Right the First Time
Comfort Restored — Without the Runaround
When your HVAC system slips during Texas weather, comfort disappears quickly. You want someone who shows up fast, explains the problem clearly, and fixes it without pressure.
That’s precisely how Sigma Air Heating and Cooling shows up with same-day service, straightforward pricing, and experienced, certified technicians who guide you honestly and keep your comfort their top priority.
When Your HVAC Starts Acting Up, We’re Already On It
Repairs • System Fixes • Performance Upgrades
Your system doesn’t wait for the perfect moment to cause trouble—it just slips when you need it most. And when that happens, Sigma Air Heating and Cooling doesn’t sit back. We move fast, figure out what’s really going on, and explain everything in a way that actually makes sense.
Whether it’s weak airflow, strange noises, hot spots, or a unit that completely gives out, our service team shows up ready to get your comfort back without dragging things out. Our team delivers professional HVAC Services in San Antonio, TX, built on honesty, consistency, and solutions.
HVAC Services
HVAC Installation
Make your space more comfortable with Sigma Air Heating & Cooling’s expert HVAC installations.
HVAC Repair
We know San Antonio’s heat can be brutal on your HVAC, but with Sigma Air Heating & Cooling, you can wave it all away.
HVAC Maintenance
When your HVAC starts slipping during San Antonio’s sudden cold front, minor problems can proliferate.
What Our HVAC Service Brings to Your Home or Business
Most HVAC problems start small—weak airflow, a tired blower, a thermostat that’s drifting off, or coils packed with dust. When those little issues stack up, comfort disappears fast. That’s why our team handles everything in one place: installations, repairs, maintenance, and deep cleaning.
What Our HVAC Service Includes
- Installations for new or replacement systems
- Repairs for failing or underperforming equipment
- Annual and seasonal maintenance
- Deep cleaning for coils, fans, and critical parts
- Airflow and temperature testing
- Electrical and safety inspection
- A clear recap of everything we checked
We look at how it’s running, find what’s slowing it down, and explain your options clearly. Our HVAC Services in San Antonio, TX, give you steady comfort without stress, confusion, or surprise bills.
Best HVAC Services in San Antonio, TX with 30 Years of Experience
When you call Sigma Air Heating and Cooling, you’re not getting a quick in-and-out fix. You’re getting technicians who slow down, check every piece that matters. Here’s what our team provides during every HVAC service visit:
Full System Evaluation
We check how your equipment starts, runs, and cycles so we understand what’s actually going wrong.
Airflow and Temperature Testing
Uneven rooms or weak airflow usually mean something more profound. We identify the cause and resolve it.
Electrical and Safety Checks
Loose connections and tired wiring can lead to bigger issues later. We tighten, test, and secure everything.
Performance Balancing
We adjust settings, check controls, and ensure your system responds as it should.
Practical Repair Options
If something needs attention, we explain it clearly and let you choose—pressure-free and simple.
A Final Recap Before We Leave
You’ll know what was inspected, what was adjusted, and how the system is performing now.
Need HVAC Services in San Antonio TX ? Here’s How to Reach Us
Need reliable HVAC services in San Antonio, TX? Call today for fast repairs, expert installations, and year-round comfort you can trust.
Call Us:
(210) 610.2332
Speak directly with a local HVAC expert. No call centers. No waiting games.
Email Us:
info@sigmaairtx.com
Send us your issue, and we’ll get back to you promptly with answers or a scheduled service time.
Visit Us (By Appointment):
5315 Jackwood Drive, San Antonio, TX 78238
Request Service Online:
Want to skip the phone call? Schedule service or request a free quote.
We’ll confirm your appointment and be on our way.
What’s Going Wrong With Your AC?
We’ll Find Out — and Fix It Fast
Even a small issue with your AC can lead to big discomfort — especially in San Antonio’s heat. If something doesn’t feel right, here’s what might be happening:
Struggling Performance
Weak airflow or temperature swings often mean hidden stress inside the system.
Energy Use That Quietly Rises
Dust, strain, and imbalance can cause HVAC systems to consume more energy. We restore efficiency.
Components Wearing Down
Short cycling can signal electrical issues, poor airflow, or a failing part. It wears your system down fast — let’s stop it early.
Air That Feels Stale or Uneven
Moisture and dust affect circulation. We clean and recalibrate for smoother, cleaner airflow.
Repairs Growing More Expensive
When early signs get ignored, minor issues escalate. We help catch them before they cost more.