Reliable HVAC Solutions for Your Home
Expert heating and cooling services in San Antonio, TX.
Reliable HVAC Solutions for Your Home
Expert heating and cooling services in San Antonio, TX.
Our HVAC Projects: Comfort in Every Corner
The Best AC Repair in San Antonio, TX
AC Repair for San Antonio and Surrounding Areas
Expert Air Conditioning Repair
You can trust our experienced technicians to get the job done right, no matter the size of your home or business.
Whether you’re dealing with strange smells, odd noises, leaks, poor cooling, or no cold air whatsoever, we’ll pinpoint the exact cause. We’ll walk you through our findings and give you clear, honest recommendations to restore your comfort.
We always use premium parts and quality materials, ensuring your AC repair delivers dependable performance for years to come. Book today 210-764-7123
Our Guarantee
At Locke Service Company , we stand behind our work and guarantee your satisfaction. We use only the highest quality equipment and materials, and our team is highly trained and experienced to handle any HVAC issue.
San Antonio, TX HVAC Installation Services
Air Conditioning Installation
Ready for a New Air Conditioner in San Antonio?
Don’t let another brutal Texas summer leave you sweating. When repairs are no longer enough, it’s time for a reliable AC replacement — and that’s exactly what we specialize in at Locke Service Company.
As your trusted local San Antonio air conditioning installation experts, we’ve been helping homeowners beat the heat for over a decade. We’re BBB accredited and fully committed to delivering quality work and complete peace of mind.
Call us at (210) 764-7123 today to schedule your installation and return to whole-home comfort.
Why Should You Consider Replacing Your AC?
Don’t Wait Until It’s Too Late — Know the Warning Signs
Most homeowners try to put off replacing their air conditioner as long as possible. However, catching the problem early can save you stress, money, and uncomfortable nights.
Here are some common signs it may be time for a new AC unit:
- Age of Your System - Is your air conditioner more than 10 years old? Older units often use outdated technology that makes them far less efficient — costing you more in energy bills, repairs, and headaches than they’re worth.
- Strange Noises Ticking, clicking, banging, or grinding sounds coming from your AC are red flags that something is failing inside the unit.
- Skyrocketing Energy Bills - If your cooling costs have suddenly spiked even though your usage hasn’t changed, your old system is likely working much harder than it should.
- Frequent Repairs When you find yourself calling for repairs again and again, it’s a strong sign your AC is past its prime. At some point, the cost and hassle of constant fixes exceed the price of installing a new, reliable system.
If any of these issues sound familiar, it’s time to take action.
Our experienced team at Locke Service Company provides expert AC replacement services throughout San Antonio. We’ll help you choose and install a new, high-efficiency air conditioner so you can enjoy cool, comfortable indoor comfort — quickly and affordably.
What Are the Benefits of a New AC Unit?
If you’re on the fence about replacing your AC, here’s why investing in a new unit can be one of the smartest decisions you make for your home:
- Lower Energy Bills A new, high-efficiency air conditioner can significantly reduce your monthly power costs — often enough to offset the investment within just a few years. Simply check the energy rating on the unit to see exactly how much you could save.
- Rebates & Tax Incentives Many energy-efficient systems qualify for rebates and federal tax credits. These incentives can help lower your upfront cost while putting more money back in your pocket.
- Better Comfort & Health Newer units deliver more consistent cooling, better humidity control, and cleaner air — keeping your family more comfortable and improving indoor air quality.
- Peace of Mind with Warranty Coverage A brand-new system comes with a manufacturer’s warranty, so you’re protected and can get fast support if anything ever goes wrong.
Ready to start saving on energy bills while enjoying reliable, worry-free cooling?
Call Locke Service Company today at (210) 764-7123 for expert AC replacement in San Antonio.
Why Trust Your HVAC Installation to Anyone Else?
This isn’t a trick question. We’ve been in the business long enough to know there are plenty of self-proclaimed “experts” out there — some licensed, many not. But when it comes to your home’s comfort and safety, why take the risk?
At Locke Service Company, our mission is simple: keep you comfortable, safe, and breathing easy year-round. You can count on us for honest recommendations, the right brand choices for your needs, competitive pricing, and fully trained, certified technicians who show up in well-equipped trucks ready for any job.
We are fully licensed, insured, and bonded, so you can relax knowing your system is installed correctly and built to last for years to come.
When quality matters, choose the best.
Call Locke Service Company today at (210) 764-7123 for expert air conditioning installation, AC repair, and HVAC maintenance in San Antonio.
Not needing cooling service right now? We also provide professional heating system installation and service!
Mini Split AC in San Antonio
AC Installation
Looking for Customized Cooling Solutions in Your San Antonio Home?
Call (210) 764-7123 today to learn more about our expert ductless mini split AC installation and repair services — and take full control of your indoor comfort!
Every family member has different temperature preferences, but a single central air system often makes it hard to keep everyone happy. That’s where a ductless mini split system comes in.
At Locke Service Company, we offer professional ductless AC installations that give you versatile, room-by-room cooling control. These efficient systems allow you to set different temperatures in different areas of your home, improving comfort and saving energy.
We proudly serve homeowners throughout San Antonio and the surrounding areas.
See what our satisfied customers are saying, then call us to schedule your free consultation with one of our mini split experts today!
What is a Ductless Mini Split System & How Does It Work?
Call Locke Service Company today at (210) 764-7123 to learn more about our professional ductless mini split AC installation and repair services — and take complete control of your indoor comfort!
Every person in your household has different temperature preferences, but a single central cooling system often struggles to keep everyone comfortable. That’s why we offer ductless mini split systems — the smart, flexible solution for personalized cooling.
These efficient systems let you set different temperatures in different rooms or zones, giving you maximum comfort and better energy savings. Whether you want to cool a single room, an addition, or your entire home, we’ve got you covered.
We proudly serve homeowners throughout San Antonio and surrounding communities.
See what our satisfied customers have to say, then call us today to schedule your appointment with one of our mini split experts!
What Are the Benefits of A Mini-Split System?
Some of the benefits you can expect to enjoy:
- No air leaks: Ductwork in a home can leak air and waste energy. It’s also nearly impossible to eliminate all gaps around a window unit or portable air conditioner. A ductless mini-split has no ductwork or awkward window installation to leak in the first place, so you can rest easy knowing that your hard earned money isn’t literally blowing away.
- Zone cooling: With a standard air conditioner, setting up zones can be difficult; this means that you generally have to cool your entire home regardless of need. A ductless mini-split, on the other hand, allows you to only cool the rooms in use allowing for custom indoor climate solutions.
- Small size: Many smaller or older homes just don’t have the room for the ductwork required by central air conditioning. A ductless mini-split is so compact, it can fit just about anywhere. Additionally, you won’t have to face complicated installations when you rely on our experts for help.
- Energy savings: Aside from their small size, a ductless air conditioner also provide customers with energy savings. Instead of running the entire HVAC unit, which can waste energy, you can turn on individual zones in your home for more efficient cooling.
To enjoy these benefits, give our experts a call. We offer quality ductless mini-split installation that can have you saving money in no time!
Why Should You Hire a Professional?
At Locke Service Company, we strongly recommend having a professional handle your ductless mini-split installation. Without the right training and experience, you risk damaging your home and ending up with a system that doesn’t perform as efficiently as it should.
Our qualified technicians will help you select the perfectly sized unit for your space. We’ll ensure all electrical connections are done correctly and take the time to show you how to operate the system for maximum comfort and energy efficiency.
Once the job is complete, you’ll enjoy consistent, quiet cooling no matter how hot it is outside — all you’ll notice is how comfortable your home feels.
When your mini-split needs service or maintenance, we’ll be there to keep it running at peak performance.
For all your ductless air conditioner needs in San Antonio, trust our experienced team for fast, reliable service.
Call us today at (210) 764-7123 and discover how we can keep your system working efficiently for years to come.
Heat Pump Services in San Antonio, TX
Expert Heat Pump Services in San Antonio
Whether you want to improve your home’s energy efficiency or need fast help during a sudden cold snap, Locke Service Company delivers expert heat pump services to keep your San Antonio home comfortable all year long.
A well-maintained heat pump is one of the smartest investments you can make for your home. It provides efficient heating in winter and reliable cooling in summer — giving you year-round comfort at a lower operating cost. Since 2001 Locke Service Company has been the trusted name for indoor comfort in the San Antonio area. Our technicians are experts in the latest heat pump technology, ensuring that your system—whether air-source, ground-source, or a hybrid—operates at peak performance.
Heat Pump Installation and Replacement
If your current heat pump is over 10–15 years old or keeps needing frequent repairs, it may be time to consider a replacement. At Locke Service Company, we’ll help you choose the perfect system for your home’s size and your budget.
Key Benefits of a New Heat Pump:
- Superior Energy Efficiency Modern heat pumps come with much higher SEER and HSPF ratings than older models, which means noticeably lower monthly energy bills.
- Year-Round Comfort One efficient system handles both heating in the winter and cooling in the summer — giving you reliable dual functionality all year long.
- Properly Sized for Your Home Our experienced team performs detailed load calculations to ensure your new heat pump is perfectly matched to your living space for maximum comfort and efficiency.
Reliable Heat Pump Repair
A malfunctioning heat pump can lead to uneven temperatures or high energy spikes. We offer 24/7 emergency repair services to ensure you’re never left in the cold. Common issues we resolve include:
- Refrigerant leaks and low levels
- Faulty reversing valves (which allow the unit to switch between heating and cooling)
- Electrical component failures or thermostat miscalibrations
- Frozen outdoor coils or clogged drainage lines
Maintenance
Routine maintenance is the best way to extend the lifespan of your equipment and keep your manufacturer’s warranty valid. Through our Maintenance Blue Club membership, we provide precision tune-ups that include:
- Cleaning condense coils to maintain airflow.
- Inspecting and tightening all electrical connections.
- Checking refrigerant pressures and temperatures.
- Lubricating moving parts to prevent wear and tear.
- Clearing condensate drain lines to prevent water damage.
Commercial Heat Pump Services
We offer a full range of commercial heat pump services, including installation, repair, and maintenance. Our team has experience working with all types of commercial properties, from small offices to large industrial buildings.
Energy-Efficient Solutions
We specialize in providing energy-efficient HVAC solutions that can help you save money on your utility bills. Our team can help you choose the right products and services that are best suited for your needs and budget.
San Antonio Furnace Repair
Quality Furnace Repair in San Antonio, TX
Stay Warm and Comfortable This Winter in San Antonio
While San Antonio doesn’t experience the harshest winters in the country, temperatures can still drop low enough to make your home feel chilly and uncomfortable. At Locke Service Company, our goal is to keep you and your family warm and cozy all year long — even during those occasional cold snaps.
Let our experienced team take care of your heating needs with expert furnace repair, heat pump repair, and complete heating system service. With over a decade of hands-on experience fixing unusual noises, poor performance, and unreliable systems, we’ve built a strong reputation for delivering reliable, high-quality heating solutions.
We don’t just focus on great workmanship and quality products — we also pride ourselves on fast, dependable service when you need it most. Give us a call at 210-764-7123 to book your appointment
Heating Installation and Replacement
Whether you need heat pump repair or furnace repair, Locke Service Company is the trusted heating company San Antonio homeowners rely on. We take pride in delivering top-quality heating services and live by our motto: Your comfort is our priority.
When an emergency strikes, we’re there for you. Our after hours heating team is ready to respond — whether it’s a Sunday afternoon or on a weekday — to get your furnace or heat pump working again quickly.
Our Full Range of Heating Services Includes:
- Furnace Repair
- New Furnace Installation
- Furnace Replacement
- Furnace Maintenance & Tune-Ups
- Heat Pump Repair
- Heat Pump Installation
- Complete Heating System Service
- And More!
Why Choose Locke Service Company for Your Heating Needs?
At Locke Service Company, your comfort comes first. We make quality heating service more affordable by offering free estimates on all jobs. We understand how stressful a broken furnace or faulty heat pump can be — that’s why we handle the hard work so you don’t have to.
You can trust us with confidence: we are BBB-accredited with an A+ rating.
We look forward to keeping your home warm and comfortable all winter long.
Not in need of heating service right now? No problem — we’re also a full-service air conditioning company offering expert AC repair, maintenance, and installation throughout San Antonio.
Call us today at (210) 764-7123 for reliable heating and cooling solutions!
Commercial Heating Services
We offer a full range of commercial heating services, including installation, repair, and maintenance. Our team has experience working with all types of commercial properties, from small offices to large industrial buildings.
Energy-Efficient Solutions
We specialize in providing energy-efficient HVAC solutions that can help you save money on your utility bills. Our team can help you choose the right products and services that are best suited for your needs and budget.
Furnace Replacement in San Antonio, TX
The Best Heating System Installation & Furnace Replacement in San Antonio
Looking for expert furnace replacement or heating system installation in San Antonio? You’re in the right place!
Call Locke Service Company today at (210) 764-7123 for fast, professional solutions. Need a second opinion on your current furnace? We’ll provide one absolutely free.
While San Antonio winters may not be extreme, you still want your heating system to perform efficiently when the temperatures drop. Don’t wait for a breakdown. Having a trusted local HVAC company on speed dial helps ensure your equipment stays reliable and efficient for years to come.
At Locke Service Company, we set the standard for quality furnace replacement and heat pump replacement. We work with all makes and models and install every system to strict factory specifications.
See what our satisfied customers have to say, then call us to schedule your appointment today!
When Is It Time to Replace Your Furnace or Heat Pump?
Our certified technicians are equipped to handle all types of heating repair services, including furnace repair, boiler repair, and heat pump repair. We offer prompt and efficient services to ensure your heating system is back up and running in no time.
Watch for these common warning signs:
- Strange Noises Groaning, banging, whining, or other unusual sounds are a major red flag. While furnaces aren’t silent, persistent strange noises usually mean something is wrong and needs professional attention.
- Age of the System Most furnaces last 10–20 years, with well-maintained units reaching the higher end. If your furnace is over 15 years old, it may be time to start planning for a replacement.
- Frequent Repairs If you’re constantly calling for repairs, the ongoing costs can quickly exceed the price of a new unit. We’ll help you find the right system that fits both your home and your budget.
- Rising Energy Bills Older furnaces and heat pumps lose efficiency over time, especially without regular maintenance. Higher gas or electric bills often mean your system is working harder than it should.
- Inconsistent Temperatures Constantly adjusting the thermostat because some rooms are too hot or too cold is a clear sign your heating system is struggling to distribute air properly.
If any of these issues sound familiar, it’s time to call the professionals.
Call Us Today For Furnace Replacement in San Antonio
At Locke Service Company, we specialize in replacing damaged or inefficient furnaces with high-quality heating systems installed to exact factory standards. You can relax knowing the job is done right the first time.
When it comes to furnace replacement and heating system installation, trust the experienced professionals who have been proudly serving San Antonio for over a decade.
Call us today at (210) 764-7123 to schedule furnace repair, new furnace installation, or routine heating maintenance.
We also provide expert air conditioning replacement and full AC services whenever you need them.
Preventative Maintenance
We offer comprehensive preventative maintenance plans to help you keep your heating system running smoothly and efficiently. Our plans include regular inspections, cleaning, and tune-ups to ensure that your system is in top-notch condition.
Furnace Maintenance in San Antonio,TX
Professional San Antonio Furnace Maintenance Company
At Locke Service Company, we provide thorough and reliable heating tune-ups to keep your system running at its best. As a locally owned and operated company, we proudly maintain an A+ rating with the Better Business Bureau.
Our experienced, qualified technicians are committed to delivering exceptional service every time, and we bring decades of industry expertise to every job.
We’ll help you extend the life of your current heating system, minimize unexpected breakdowns, and keep your home comfortable all season long.
Local homeowners choose us because we:
- Deliver outstanding results every time
- Offer competitive, affordable rates
- Use only high-quality parts and products
Ready for expert heating maintenance you can trust?
Call Locke Service Company today at (210) 764-7123.
Reliable San Antonio Heating Tune Up Experts
Don’t Let Warm Air Escape — Schedule Your Heating Maintenance Today
Prevent wasted energy and unexpected breakdowns by letting our skilled maintenance team inspect your heating system. We’ll carefully check for leaks, worn-out parts, and faulty components that can cause hidden problems and reduce efficiency.
San Antonio homeowners trust us for reliable furnace services that help keep their systems running smoothly and avoid mid-winter emergencies.
Keeping your home comfortable year-round is our top priority. That’s why we created our Maintenance Blue Club annual service plan — a simple way to save money on maintenance while protecting your heating investment.
As a Maintenance Blue Club member, you’ll enjoy priority service and immediate savings.
Benefits of Joining our Comfort Program
- Flexible payment plans
- 2-year warranty on all repair parts and labor
- Significantly reduced service fees
Ready to protect your heating system and enjoy greater peace of mind?
Call Locke Service Company today at (210) 764-7123 to learn more about our Comfort Program or to schedule your heating tune-up.
Blue Club Membership
Air Conditioning & Heating Maintenance Memberships
Timely Maintenance Lowers Energy Costs and Extends Your System’s Life
A Maintenance Blue Club Membership with Locke Service Company is one of the smartest ways to reduce your energy bills while making your heating and cooling equipment last longer.
As a member, you’ll enjoy:
- Fewer unexpected and costly breakdowns
- Significant discounts on all services
- No overtime charges — ever
Our thorough tune-ups go far beyond a basic check. We don’t just “kick the tires.”
Our experienced technicians take 1 to 1.5 hours to carefully inspect your entire air conditioning and heating system, make all necessary adjustments, and ensure everything is running at peak efficiency.
After each visit, you’ll receive a detailed written report showing exactly what was inspected and what was performed.
Ready to start saving money and protecting your HVAC investment?
Join our Maintenance Blue Club today!
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What is Included in the Comfort Club Membership?
- One (1) year warranty on repair parts and labor
- Priority Service
- Scheduling made easy
- Text / email reminder for routine maintenance
- Increase equipment life
- Increase comfort
Discounted Repairs
- Reduced service fee
- Flexible payment plans
- Lower utility bills
- Emergency service
- Service documentation
Spring Tune Up
- Verify System Operation
- Inspect filter for cleanliness
- Clean condenser
- Inspect and tighten electrical connects
- Check amperage
- Check Voltage
- Check belts and tighten if applicable
- Check temp Delta
- Check the refrigerant pressures and temperatures for proper levels
- Check the supply and return static pressure
- Check UV light if applicable
- Check metering device
- Inspect evaporator coil for dirt, rust, or slime
- Verify that there is a safety control in the secondary drain pan when applicable
- check the thermostat and calibration
- Blow out condensate drain
- Inspect accessible ductwork
- Check insulation level in attic
- Check capacitors for leakage and microfarad levels
- Check contactor for worn/pitted contacts
- Check noise level of condenser fan motor & compressor
- Check superheat & subcooling temperatures
- Remove debris from inside condenser
Fall Tune Up
- Check Filters
- Check induction motor
- Check for carbon monoxide level
- Verify proper draft
- Inspect and tighten electrical connections
- Check heat exchanger for cracks
- Inspect evaporator coil for dirt, rust, or slime
- Blow out condensate drain
- Clean burner assembly
- Clean heat exchanger
- Clean and adjust pilot if applicable
- Vacuum area around furnace
- Check UV light if applicable
- Check gas connections
- Check blower motor amperage
- Check for gas leaks
- Check return static pressure
- Check supply static pressure
- Check heat anticipator setting when applicable
- Check combustion air
- Check thermostat and calibration
- Test safety controls
- Check insulation level in attic
- Inspect accessible ductwork
- Record model & serial numbers
- Cycle A/C & heat at thermostat to make sure both operate
- Record condition, age of equipment, and recommendations
Blue Club Membership Pricing
This membership includes twice a year visits to your home. Cooling Tune-up and Heating Tune-up.
Benefits includes: discount on repairs, priority scheduling, reduced service fees, no overtime, helps prevent future problems.
# Systems Annual Investment Monthly Investment 1 System $199.00 per year $17.50 per month
2 System $358.00 per year $31.00 per month 3 System $517.00 per year $44.50 per month
Each Additional System is $155.00 per year..
Gold Maintenance Plan Which Includes:
- Free Service Fees During the Year ($99.00 Value)
- Free Clearing of Drain Line Between PM’s (if needed)
- Lifetime T-Stat Warranty
# Systems Annual Investment Monthly Investment 1 System $275.00 per year $23.75 per month 2 System $510.00 per year $44.00 per month 3 System $745.00 per year $64.00 per month
Enjoy Year-Round Protection with Our Maintenance Blue Club Membership
By choosing a Comfort Club Membership for your heating and air conditioning systems, you’ll receive exclusive benefits designed to keep you comfortable, protected, and saving money all year long.
Here’s What You’ll Enjoy as a Member:
- Priority “First-in-Line” Service Blue Club members receive top-priority emergency service at discounted rates. We reserve the first calls of the day just for you — because we truly deliver Comfort on Demand.
- Immediate Savings Your membership includes two comprehensive tune-ups per year (one for heating and one for air conditioning), saving you $149 compared to purchasing them separately. Regular tune-ups also reduce energy consumption, help prevent costly repairs, and extend the life of your equipment.
- Big Discounts on Repairs Members enjoy substantial discounts on all service calls and repair costs — including major repairs such as out-of-warranty A/C compressor failures and heat exchanger issues.
- No After-Hours Fees You’ll never pay extra for after-hours, weekend, or holiday service calls.
- Enhanced Safety Every heating tune-up includes a thorough safety inspection and exhaust venting check. Air conditioning tune-ups include detailed electrical system checks for maximum peace of mind.
Ready to enjoy reliable comfort, priority service, and real savings all year round?
Join our Blue Club today and experience the difference!
Pay Your HVAC Bill Online
Easily pay your heating and air conditioning service bills with our secure online payment portal. Your convenience matters to us. Follow the link below to settle your account quickly and safely.