(210) 610.2332 
AC Installation
AC Installation in San Antonio, TX
Comfort Built In — From Day One
Sigma Air Heating & Cooling delivers AC installation in San Antonio, TX, with clarity, craftsmanship, and care. We help you choose the right system, size it correctly, and install it with precision for long-term performance. No rushed jobs. Just dependable cooling, honest recommendations, and a home or business that stays comfortable through every South Texas summer. From multi-family properties to single-family residences, we deliver guaranteed service every time.
Sigma Air Heating & Cooling’s AC Installation in San Antonio, TX — Designed to Last
Assess • Install • Assure
AC is not a luxury for San Antonio’s residents; it is a necessity that helps them live comfortably. Our AC installation services in San Antonio, TX, have understood this assignment and have been delivering since then. For the past 3 decades, we have been the top name in ensuring comfort without compromising. Our technicians will understand your needs, analyze your property, and provide custom solutions that not only meet your air conditioning needs but also do not increase your energy bills. Sounds too good to be true? Call us now and experience the excellence yourself!
Precise AC Installation, Especially Engineered for San Antonio
Founded in 1994 as a family-led business, Sigma Air Heating & Cooling spent decades delivering complex HVAC installations for multifamily and commercial properties across Texas. For 30 years, developers, property owners, and now homeowners have trusted us for accuracy, sizing, and long-term performance.
Our AC Installation experts in San Antonio, TX, design specifically for South Texas heat, older home layouts, and modern efficiency demands. From system selection and proper load calculations to clean, code-compliant installation, every detail is handled with care. Whether you’re upgrading an aging system or installing AC in a high-value home, we focus on efficiency, airflow balance, and reliability, not rushed installs.
Our Sigma Savings Promise guarantees we’ll beat any written quote by 10% within 30 days. We don’t install AC systems; we engineer comfort that lasts.
The Sigma Air Heating & Cooling Difference Is Installed, Not Advertised
At Sigma Air Heating & Cooling, our AC installation contractor in San Antonio, TX, takes a precise, purposeful approach while respecting your home. With us, you can leave all the heavy lifting to us, guaranteed to deliver results.
Always-Available Support
We will arrive the same day or the next and get your system up and running without disruption.
Honest, Upfront Pricing
We are proud to offer precise estimates, transparent options, and no hidden fees.
Local Expertise That Shows
Our San Antonio team understands Texas heat and designs specialized systems to handle it.
Comfort-Focused Savings
We offer competitive pricing and our Sigma Savings Promise to beat written quotes.
No-Pressure Guidance
Our team explains your options, recommends the best fit, and respects your decision.
Installations Built to Last
We promise proper sizing, clean installs, and precision workmanship that reduce energy costs and prevent future issues.
Need AC installation in San Antonio, TX? Here’s How to Reach Us
Whether your AC just quit or you’re noticing signs something’s off, our team at Sigma Air is ready to help — fast.
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.
Professional AC Installation Done Right, The First Time
The Sigma Air Heating & Cooling Standard — Expertise You Can Feel
AC installation in San Antonio requires precision, experience, and accountability. When corners are cut, comfort suffers. At Sigma Air Heating & Cooling, we eliminate standard installation red flags by doing the job right from the start.
Perfectly Sized Systems
We perform proper load calculations to ensure your AC is correctly sized for your home. No oversized units. No underpowered systems. Just balanced, efficient cooling built for long-term performance.
Strategic Unit Placement
Indoor and outdoor units are installed with airflow, clearance, and heat exposure in mind. We ensure proper placement to protect your system, improve efficiency, and reduce unnecessary wear.
Fully Insulated Refrigerant Lines
Our team ensures that every refrigerant line is carefully insulated to prevent energy loss, protect performance, and reduce operating costs.
Leak-Free, Code-Compliant Installation
Our licensed technicians secure electrical connections, test refrigerant lines, and verify everything meets local codes and manufacturer standards.
Experienced, Licensed Professionals
With 30+ years of HVAC expertise, we deliver installations backed by warranties, accountability, and trust. With advanced technology and care, we complete your installation with precision.