The Lone Star Choice for Reliable Service
Air Conditioning Service in San Antonio, TX
Woman- & Family-Owned AC Repair, Installation & Maintenance for Northern San Antonio
Northern San Antonio summers are long, humid, and unforgiving on residential AC systems. Westerly Air is a woman- and family-owned HVAC company built for this climate, offering same-day AC repair, installation and replacement, scheduled maintenance, and 24/7 emergency response across Stone Oak, Timberwood Park, Fair Oaks Ranch, Shavano Park, Boerne, Cibolo, and Schertz. We back every job with service warranties so you have real protection when the heat peaks.
As a family-run business, we don’t treat your home like a service ticket. We explain what we find, what we recommend, and what it will cost before any work begins. Free consultations and personalized estimates are available, and financing options make it easier to move forward on larger repairs or system replacements without delay. When your AC stops working on the hottest day of the year, you deserve a company that answers the phone and shows up fast.
Contact us today at (210) 361-2722 to schedule a free consultation and get a personalized estimate for your AC needs.
What to Expect When You Call
When you call Westerly Air, you’ll speak with a knowledgeable team member who listens and gathers what’s needed to schedule your visit at a time that works for you. We provide flexible appointment windows and prompt arrival notifications. Our licensed technicians arrive in clearly marked vehicles and wear uniforms so you know who’s at your door.
The technician can hear your concerns and then perform a thorough inspection, checking refrigerant levels, thermostat accuracy, and airflow around vents. After diagnosing the problem, we can walk you through your options, answer your questions, and help you decide the next best step for your comfort and budget. Recommendations come with a clear, upfront estimate, and we encourage you to ask questions until you feel confident.
Once you decide to move forward, our technician completes the work with care and respect for your property, cleaning up before leaving. Follow-up support is available through our office so you’re not left on your own after the job is done.
Need Assistance?
Contact Us Today
We treat your home like it’s our own, leaving it better than we found it. Get in touch with us today.
- Monday - Friday 7am - 5pm
- Saturday 8am - 2pm
Our Full Range of AC Services in Northern San Antonio
From a single repair call to a full system replacement, Westerly Air handles the complete range of residential air conditioning needs across Northern San Antonio. Every service is backed by upfront pricing, licensed workmanship, and technicians who treat your property with care.
We offer a full spectrum of AC services, including:
- AC Installation & Replacement: When your system has reached the end of its useful life, our technicians help you select the right replacement for your home, budget, and efficiency goals. We offer high-efficiency systems that may qualify for utility rebates or manufacturer incentives, and financing options are available to keep the project affordable.
- AC Maintenance: San Antonio’s heat places above-average seasonal demand on AC equipment. Our comprehensive tune-up includes inspection, cleaning, and adjustments designed to catch developing problems before they become expensive breakdowns, particularly ahead of the peak cooling months.
- AC Repair: Same-day repair is available for refrigerant leaks, electrical failures, faulty compressors, malfunctioning thermostats, and other common system failures. We diagnose accurately and explain what we find before any repair begins.
- Emergency HVAC Response: Our 24/7 emergency line means you’re not without options when your system fails overnight or on a weekend during a heat wave.
- Ductwork & Airflow Solutions: Uneven cooling, hot spots, and poor airflow are common in Northern San Antonio homes. We assess ductwork design and address airflow restrictions that undercut system efficiency and comfort.
- Smart Thermostat Upgrades: Replacing an outdated thermostat with a smart, programmable model can improve indoor humidity control, reduce energy use, and give you better visibility into how your system performs day to day.
AC Permits & Bexar County Building Codes
San Antonio and Bexar County require permits for AC installation and significant system replacements. These aren’t bureaucratic formalities. Permits protect you by creating an official record that the work was completed to code, which matters when you sell your home, file an insurance claim, or apply for a utility rebate. Post-installation inspections may also be required to verify compliance.
As a licensed HVAC contractor, we manage the permitting process on your behalf and stay current on locally adopted building codes, mechanical codes, and energy-efficiency rules enforced in San Antonio and Bexar County. Skipping this step or working with an unlicensed contractor can result in failed inspections, insurance complications, or rebate disqualification. We handle the paperwork so you don’t have to, and we can answer any questions about what documentation applies to your project before work begins.
Ride Shotgun With Westerly Air
Craftsmanship You Can Trust
We don't just promise great service - we live it.
-
Innovative Methods & Technologies
-
Service With Integrity
-
Customized, Individual Approach
-
Emergency Service Available
-
Fully Trained & Equipped
-
Women-Owned, Family Operated
Why Is My AC Not Cooling Properly?
Several distinct problems can prevent an AC system from keeping up with San Antonio’s heat. Knowing the most common causes helps you describe the symptoms clearly and understand what your technician finds during diagnosis.
The five most common reasons for inadequate cooling include:
- Thermostat Issues: An incorrectly set or failing thermostat can prevent the system from reaching the set temperature or from running at all.
- Refrigerant Leaks: Refrigerant is essential for heat transfer. When levels drop due to a leak, cooling capacity falls and continued operation can damage the compressor.
- Airflow Obstruction: Clogged air filters, closed vents, or blocked ductwork restrict airflow and force the system to work harder for less output.
- Electrical Problems: Tripped breakers, faulty wiring, or a failed capacitor can prevent the system from starting or completing a full cooling cycle.
- Compressor Failure: The compressor drives the entire cooling process. When it fails, the system can’t move refrigerant and cooling stops.
San Antonio’s high humidity adds stress that moderate climates don’t. Elevated dew points force AC systems to remove more moisture from the air, increasing the workload on the compressor and accelerating wear on condensate drain lines. Our technicians are trained to recognize these region-specific failure patterns, including drain line clogs driven by humidity and compressors degraded by sustained South Texas heat.
Refrigerant levels, electrical components, and compressor function all require proper tools and training to diagnose safely. Attempting these without both can cause additional damage or create safety risks. Contact a qualified HVAC technician for an accurate diagnosis. An annual check-up from our AC maintenance team identifies developing issues before they become mid-summer failures.
AC Service Warranties & Maintenance Plans
Westerly Air backs its work with service warranties covering parts and labor. Our team explains warranty terms, coverage periods, and how to make a claim in plain language, with no confusion when you actually need to use it. For homeowners who want broader protection, we offer optional maintenance plans that include scheduled inspections and can help prevent unexpected repair costs over the life of your system.
San Antonio’s heat waves place unusual demand on even newer AC systems. Warranty-backed service from a licensed contractor can reduce your financial exposure when something goes wrong at peak season. Financing is also available for new installations or larger repairs.
Schedule AC Service in Northern San Antonio
Whether you need same-day repair, a seasonal tune-up, or a full system replacement, Westerly Air is ready. Free consultations and personalized estimates are available, and our team can walk you through financing and maintenance plan options during your visit. Same-day appointments and 24/7 emergency response mean you’re not left waiting when the temperature climbs.
Call us at (210) 361-2722 or contact us online to schedule your AC service appointment today.