AC Repair In San Antonio
How can we help you
Ready to serve you
Diamondback HVAC, Refrigeration, and Electrical Technicians keep your systems running smoothly all year. Our team handles HVAC repair, AC repair, new installations, and regular maintenance for homes and businesses in San Antonio.
Each team member is selected for their skills, training, and dedication to service. We want to be the company San Antonio homeowners and business owners call first, not just because the work is done right, but because they know we listen, explain, and stand behind every job.
| Financing Options
Which Option Is Best For Your Home Comfort?
Use this tool to determine if a repair will resolve the issue or if it is time to plan for a new system. If a new unit is the better move, you will see options based on your answers about your house, budget, and family needs.
This is not a price quote. For accurate pricing, our licensed technicians will inspect your home and run load calculations to ensure your system is sized and designed for your specific space.
| Our Services
What We Offer
Commercial Electrical Solutions
Sheet Metal Services
How can we help you
Air Conditioning, Heating & Refrigeration
Keep You Cool
Warm Your Soul
Keep Business Going
Posted on Mary BegnocheTrustindex verifies that the original source of the review is Google. I have my dryer vent cleaned annually but thus is my first (but not last) time to use Patriot. Excellent communication, fair prices and genuine concern. Rory saw that my dryer hose was far too long and switched it out. He was done with everything so fast! I will definitely be back!!Posted on marti bloseTrustindex verifies that the original source of the review is Google. I would recommend Diamondback AC to anyone! Very professional and helpful!Posted on EbTrustindex verifies that the original source of the review is Google. Great service. Technician showed up on time, assessed the problem and gave me alternatives. Customer service was great.Posted on Michael WhiteTrustindex verifies that the original source of the review is Google. Friendly customer service and technician are professional and complete their job with exceptional quality.Posted on Bob JensenTrustindex verifies that the original source of the review is Google. I scheduled an appointment with Vanessa on one day, and withing 48 hours, Duke was at my door to perform an initial semi-annual service inspection. He was thorough, professional, and answered all my questions and/or concerns! I made a great choice going with Diamondback A/C, Heating, and Refrigeration.Posted on Eddie G.Trustindex verifies that the original source of the review is Google. Called on a Saturday because I was having issues with my home AC. Within the time slot given, Duke showed up and went straight to work. He clearly explained every step what he was going to check and do. He’s very professional and knowledgeable. He answered all the questions I had for him. He even took the initiative to also check my heater and found some adjustments that needed to be done when it gets cold to help with the winter times. I highly recommend Diamond Back AC to anyone looking to repair their AC. Duke, thank you sir and keep up the great work!Posted on kartikattTrustindex verifies that the original source of the review is Google. Jim came out to my house and checked my AC! He is super professional and he is friendly and he is super knowledgeable and definitely knows what he is talking about and very helpful! I definitely recommend Double Diamond J AC!! 10 out of 10!! Amazing company!!! Thank you!!
Why our customers choose us
Why Hire Diamondback HVAC
Expertise
Our team consists of highly trained Technicians who handle HVAC repair, AC repair, electrical work, and refrigeration services every day.
Integrity
Diamondback AC, Heating & Refrigeration prioritizes honesty on every service call, from the initial visit to follow-up checks.
No Gimmicks
We do not push add-ons you do not need. Just clear options, upfront pricing, and work that lines up with what we said we would do.
Trustworthy
We explain what went wrong, what we recommend, and the associated costs before we begin. You get a straight diagnosis and a clear plan.
Our happy customers
Posted on Mary BegnocheTrustindex verifies that the original source of the review is Google. I have my dryer vent cleaned annually but thus is my first (but not last) time to use Patriot. Excellent communication, fair prices and genuine concern. Rory saw that my dryer hose was far too long and switched it out. He was done with everything so fast! I will definitely be back!!Posted on marti bloseTrustindex verifies that the original source of the review is Google. I would recommend Diamondback AC to anyone! Very professional and helpful!Posted on EbTrustindex verifies that the original source of the review is Google. Great service. Technician showed up on time, assessed the problem and gave me alternatives. Customer service was great.Posted on Michael WhiteTrustindex verifies that the original source of the review is Google. Friendly customer service and technician are professional and complete their job with exceptional quality.Posted on Bob JensenTrustindex verifies that the original source of the review is Google. I scheduled an appointment with Vanessa on one day, and withing 48 hours, Duke was at my door to perform an initial semi-annual service inspection. He was thorough, professional, and answered all my questions and/or concerns! I made a great choice going with Diamondback A/C, Heating, and Refrigeration.Posted on Eddie G.Trustindex verifies that the original source of the review is Google. Called on a Saturday because I was having issues with my home AC. Within the time slot given, Duke showed up and went straight to work. He clearly explained every step what he was going to check and do. He’s very professional and knowledgeable. He answered all the questions I had for him. He even took the initiative to also check my heater and found some adjustments that needed to be done when it gets cold to help with the winter times. I highly recommend Diamond Back AC to anyone looking to repair their AC. Duke, thank you sir and keep up the great work!Posted on kartikattTrustindex verifies that the original source of the review is Google. Jim came out to my house and checked my AC! He is super professional and he is friendly and he is super knowledgeable and definitely knows what he is talking about and very helpful! I definitely recommend Double Diamond J AC!! 10 out of 10!! Amazing company!!! Thank you!!
| Our Services
HVAC Services In San Antonio
AC & Dryer Duct Cleaning
AC and dryer duct cleaning to help air flow properly through your house.
- Brushes vent exit grill
- Connects flexible vacuum hose
- Covers attic duct paths
- Disassembles vent joints
- Loosens clumped dryer lint
- Targets airflow block zones
Tune Up
Seasonal AC tune-ups to keep your AC system running and help avoid sudden AC repairs.
- Adjusts low voltage wires
- Balances return duct airflow
- Checks float switch location
- Cleans suction line traps
- Monitors condenser fan speed
- Secures system access panel
AC Installation
New AC systems sized and installed for your house or small business.
- High-efficiency systems
- Smart thermostat setup
- Full replacements
- Proper sizing
- Clean installations
- Warrantied work
AC Repair
Fast AC repair for all major brands and models. We handle emergency calls across San Antonio.
- Emergency repairs anytime
- All makes and models
- Fast diagnostics
- Friendly techs
- Fully stocked trucks
- No surprise pricing
Top Services
COOLING
Air Conditioning Tune-Up
Before the hot weather arrives, let us inspect your air conditioning system to ensure it can handle the San Antonio summer.
AIR PURIFICATION
Whole House Air Purifier
Our Technicians can install a whole-house air purifier to improve indoor air quality throughout your home.
VENTILATION
Dryer Duct Cleaning
Dryer duct cleaning helps reduce fire risk and maintain steady airflow. It is a simple step that protects your house and family.
We are ready to serve you
24/7 HVAC Service
Your comfort cannot wait. Our team is on call day and night for emergency HVAC repair and AC repair in San Antonio. Nights, weekends, or holidays, one call connects you with a live team member who can send a Technician to your door.
| Financing Options
HVAC Payment Plans And Financing
A new HVAC system or major HVAC repair can be a big cost. We offer flexible financing so you can keep your house comfortable while spreading payments over time. Whether you need a new AC unit or a full new HVAC system, we help you review options.
Benefits of financing include:
- Quick and simple application
- Affordable monthly payments
- Terms that fit your budget
Areas We Serve
| SERVICE AREA