Ac repair
At Blue Dot Air Conditioning & Heating, we know how important it is to keep your home cool and comfortable during San Antonio’s hottest months. With over 25 years of experience in the HVAC industry, our team delivers reliable AC repair services that restore your comfort and peace of mind. From small fixes to major system repairs, we’re committed to purpose-driven service you can count on.

our ac repair services
- Emergency AC Repair
When your system stops working without warning, you don’t have time to wait. Blue Dot provides fast emergency repairs to get your AC running again and your home cool. Refrigerant Leak Repair
Low refrigerant can cause your system to lose efficiency and work harder than it should. Our technicians find and repair leaks, recharge refrigerant, and make sure your AC is performing at its best.Thermostat Repairs & Replacements
A faulty thermostat means uneven cooling and wasted energy. We troubleshoot thermostat issues and can install a new one to help you maintain consistent, energy-efficient comfort.Compressor & Fan Service
If your compressor or fan fails, your AC simply can’t cool. We repair or replace these critical parts so your system runs smoothly again.Coil Cleaning & Maintenance
Dirt and debris on evaporator or condenser coils make your system work harder and shorten its lifespan. Blue Dot cleans and maintains coils to keep your AC efficient and dependable.
AC not cooling?
We can help.
Signs You Might Need AC Repair
Keeping your AC in top shape means a cooler, more comfortable home and fewer surprises. By spotting potential issues early, you can stay ahead of problems and enjoy reliable, efficient cooling all year long. Watch for these common signs:
Warm Air from the Vents – If your AC isn’t blowing as cold as it should, it’s a sign your system could use a quick tune-up to get back to peak performance.
AC Running Constantly or Short Cycling – A system that turns on and off too often or runs nonstop can indicate it needs attention to keep your home consistently comfortable.
Unusual Noises – Grinding, banging, hissing, or rattling can signal that a small adjustment or repair will help your AC run smoothly again.
Higher Energy Bills – A spike in electricity usage often means your AC is working harder than it needs to — fixing it early can save you money.
Uneven Cooling – If some rooms feel warmer or cooler than others, a professional check can restore balanced airflow and comfort throughout your home.
At Blue Dot Air Conditioning & Heating, we help San Antonio homeowners catch these issues early so your system stays efficient, reliable, and worry-free.
Frequently Asked Questions
If your system is running but the air coming out isn’t cool, it could be something as simple as a clogged filter or as serious as low refrigerant or a failing compressor. Sometimes airflow is restricted due to dirty coils or a blocked return. A quick inspection by a qualified technician can pinpoint the issue and get your system back on track.
This might be a sign of a problem called short cycling. It can be caused by something as simple as a dirty air filter or something more complex like a faulty control board or low refrigerant. Either way, frequent cycling adds wear and tear on your system and can drive up your energy bill.
This could be caused by a tripped breaker, a clogged drain line, a broken capacitor, or even something simple like a dead thermostat battery. We’ll help you figure it out fast.
In most cases, yes. Our trucks are stocked with common parts, so we can often get your system running again during the same visit. If a special part is needed, we’ll explain your options clearly and keep you updated every step of the way.
Repair costs depend on what’s wrong, but we always provide upfront pricing before any work is done. Whether it’s a simple fix or a bigger issue, we’ll explain the problem and your options—no pressure, no surprises.
WHY CHOOSE BLUE DOT
TRUSTED HONEST SERVICE
Our Customers rely on us for honest recommendations, transparent pricing, and no unnecessary upselling. We genuinely care and ensure you’re always fully informed with clear communication – no surprises, no pressure.
EXPERIENCED PROFESSIONALS
Our Customers value our skilled, knowledgeable technicians who explain issues clearly. We’re committed to accurate diagnoses and fixes that stand the test of time – with guaranteed work backed by warranty.
Responsiveness Reliability
We are committed to responding quickly – whether it’s an emergency or a routine service. You can count on us to be there when you need us – ready to be of service, so you never feel forgotten.
COMPETITIVE PRICING WITH REAL VALUE
We offer reasonable costs for repairs, maintenance, and installations, with clear understandable options and no surprise fees. You get great value without compromising quality.
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The Help You Need.
When You Need It.
Whether you need a repair, a full system replacement, or system maintenance, Blue Dot is Here to Help. We show up on time, do the job right, and treat your home with care – because that’s how it should be. We stand behind everything we do, with work that’s guaranteed and backed by warranty. Call or text us today, or book online – we’re ready when you are.