Your AC system wastes up to 40% cooling energy through insufficient insulation and air leaks. Money flows right out when your unit runs without cooling your space.
Our service team meets homeowners daily facing this exact problem – AC units that spin but don’t cool. Dirty filters choke your system’s cooling power. Refrigerant leaks shut down cooling completely, even while your unit keeps running.
Old AC units past 15 years often lose cooling strength naturally. Yet brand new systems face troubles too. Blocked vents cut airflow. Bad thermostats fail to signal cooling cycles.
Let our expert team walk you through the most common AC cooling problems. We’ll show you exactly what to check and how to get cool air flowing again. Our straightforward solutions help restore your home comfort fast.
Quick AC Fixes Before Calling Us
Your house stays warm while the AC runs? Try these money-saving checks before scheduling service. Our team sees these simple fixes solve cooling troubles daily.
Check Those Thermostat Settings
Look at your thermostat is set to “Cool” mode. Sounds basic, but this quick check fixes more problems than you’d think. Make sure you’ve set the temperature lower than what you’re feeling in the room.
Blank thermostat screen? Pop in fresh batteries or peek at your breaker box. For the fancy digital ones, double-check your “Fan” setting. Keep it on “Auto” instead of “On” – you’ll dodge that warm air cycle between cooling rounds.
Give Your Air Filter a Look
Dirty filters top our list of AC troubles. Your system works extra hard pushing air through crud-filled filters.
Pull that filter every 2-3 months. Got pets? Old house? AC running non-stop? Check monthly. Here’s our quick test: hold it up to light – can’t see through? Time for a new one.
Quick filter check steps:
-
Kill the power first
-
Find your filter (check return duct or air handler)
-
Pull it out and look for dust
-
Clean or replace based on what you see
Skip this basic care and watch your AC struggle, freeze up, then quit altogether.
Clear Space Around Your AC Units
Your AC needs room to breathe – about 400 cubic feet per minute for each cooling ton.
Outside unit needs 2 feet of clear space all around. Clear those leaves, trim those bushes. Blocked units can’t dump heat outside, so no cool air inside.
Inside tip: Don’t close vents in empty rooms. Sounds smart but actually hurts your system – cranks up duct pressure and cuts cooling power.
Take a walk through your house. Move furniture, curtains, or decorations blocking vents. Even small blockages rob you of cool air flow.
AC Running But Not Cooling? Hidden Problems to Watch
Your AC needs more than basic fixes sometimes. Let’s look at serious issues that need expert hands. Knowing these problems helps you spot trouble early.
Frozen Evaporator Coils: Ice Means Trouble
Ice builds up when coils stop grabbing heat from your home. Bad airflow, dirty filters, or refrigerant troubles cause this headache. Looks minor, but ice can wreck your whole system and empty your wallet.
Watch for these red flags:
-
Ice coating the coils
-
Water puddles near indoor unit
-
Warm air from your vents
Spot ice? Shut off your AC fast – save your compressor. Don’t chip that ice! You’ll damage coils and leak refrigerant.
Fix it right: Switch fan to “On,” cooling to “Off”. Let nature melt that ice – takes 1-4 hours.
Refrigerant Leaks: Serious Business
Refrigerant pulls heat from your home. Unlike your car’s oil, it shouldn’t need topping off unless something’s wrong.
Hear hissing or bubbling? See your bills spike? Feel more humid inside? Your coils might have holes. Ice-covered coils often mean refrigerant leaks too – low refrigerant lets condensation freeze.
Warning: Leaking refrigerant hurts more than your AC. It damages our ozone layer and can make you sick – dizzy, short of breath, even poisoned. Without help, that’s deadly within 72 hours.
Dirty Condenser Coils: Silent System Killer
Outside coils dump indoor heat to outdoor air. Dirt between fins blocks this process.
Dirty coils force harder work at higher temps. Result? Less comfort, bigger bills, wasted energy. Worse – early death for your expensive compressor.
Smart move: Let pros clean those coils regularly. Keeps your system healthy, saves money long-term.
Electrical and Mechanical Troubles: What Our Experts Find
Your AC’s heart beats with electrical and mechanical parts. Problems here need expert hands, but knowing the signs helps you speak our language when you give us a ring.
Circuit Breaker Blues and Wiring Woes
AC won’t start? Check that breaker box first. Your AC lives on its own breaker – might trip when overworked. But watch out – breaker keeps tripping? That’s your AC crying for help.
Safety First: Don’t play breaker flip-flop! Constant resetting spells fire danger. Usually means your AC pulls more juice than that breaker can handle.
Watch for these electrical gremlins:
-
Burnt or corroded wire terminals
-
Bad thermostat connections
Hear buzzing or humming? Could be failing capacitors or loose wires dancing. Kill the power right away – safety beats sweating any day.
Compressor and Fan Motor Headaches
Think of your compressor as your AC’s heart pump. Trouble signs our team spots:
-
Warm air blowing while unit runs
-
Weird noises (grinding, whistling, banging)
-
Short cycling (on-off-on-off)
-
Breaker keeps quitting
Your AC needs two fan motors – one inside, one outside. Fan troubles pop up from:
-
Dirt buildup in cabinets
-
Summer heat wearing them down
-
Dead start capacitor
-
Worn out bearings (skipped maintenance)
See that soda can-sized thing? That’s your capacitor – kicks power to start motors and compressor. Bad capacitor? Listen for that sad hum with no cool air.
Hot Texas days? High-pressure switch might trip your compressor. Keeps your system safe but leaves you warm.
Time to Call the Pros?
Basic fixes help sometimes. But knowing when to call expert help saves money and headaches. Our team brings the right tools and know-how to tackle tough AC problems.
Red Flags – Time to Give Us a Ring!
Watch for these warning signs:
-
Problems keep coming back? Deeper troubles need expert eyes
-
Grinding, hissing, shrieking noises? Your AC needs help now
-
Gas lines, electrical issues, refrigerant leaks? Leave these to the pros
-
Power bills shot up suddenly? Efficiency problems lurk
-
AC playing on-off games? Electrical gremlins at work
-
Breaker won’t stay reset? Serious electrical trouble brewing
Refrigerant leaks? Compressor acting up? Step back – let our skilled team handle these jobs. We pack the right tools and know-how for safe, lasting fixes.
Our Professional Check-Up Process
Our techs dig deep during inspections. First stop – thermostat check and tune. Next, we hunt down duct troubles and leaks.
We test refrigerant levels, peek at electrical connections, inspect those critical coils. Don’t forget that condensate drain check – water damage ain’t fun!
Count on thorough testing – contractors, capacitors, wiring, filters, pressure levels. You’ll get our detailed findings and straight talk about fixing things right[202].
Emergency or Regular Service?
Some fixes can’t wait – system deaths and safety risks need immediate attention. Call us right now if you spot:
-
Burning smells or gas odors – Fire risk!
-
Dead AC during Texas heat
-
Grinding or screaming noises
-
Water pooling near your unit
Regular check-ups? Schedule these money-savers when it fits your calendar. No rush, no fuss – just smart maintenance.
Remember: 24/7 emergency service costs more than regular visits. Smart move? Regular care stops most emergencies cold!
Give us a ring at (512) 609-8103 – we’ll keep your AC running right!
Keep Your Cool – We’ve Got Your Back!
AC troubles range from quick fixes to expert-only jobs. Smart maintenance catches most problems early. Quick action on warning signs keeps small troubles from growing big.
Safety first – always. Handle those basic jobs like filter changes and airflow checks yourself. But step back when you spot electrical troubles or refrigerant issues. That’s where our skilled team steps in.
Texas Reliable Services brings family values to every AC job. Our local, family-owned team knows Austin’s AC needs inside and out. From routine check-ups to midnight emergencies, we serve Austin, Buda, Kyle, Lakeway, Leander, Manor, Pflugerville, Round Rock, and San Marcos with pride.
Need expert AC help? Give us a ring at (512) 609-8103. We’ll treat your home like our own.
Keep your AC happy with regular tune-ups. Clean filters and clear space around units go a long way. Watch for trouble signs, act fast when you spot them. Your comfort is our family business – let’s keep that cool air flowing!
FAQs
Q1. Why is my AC running but not cooling the house? This issue can occur due to several reasons, including a dirty air filter, low refrigerant levels, frozen evaporator coils, or a faulty compressor. Regular maintenance and prompt attention to warning signs can help prevent such problems.
Q2. What should I check first if my AC is not cooling properly? Start by examining your thermostat settings, ensuring it’s set to “Cool” mode and at a temperature lower than the current room temperature. Also, inspect and replace the air filter if it’s dirty, and ensure proper airflow around both indoor and outdoor units.
Q3. How often should I change my AC’s air filter? It’s recommended to inspect your air filter every 2-3 months at minimum. However, if you have pets, live in an older home, or use your AC frequently, monthly checks are advisable. Replace the filter if you can’t see light through it.
Q4. What are the signs that I need to call a professional HVAC technician? You should contact a professional if you notice recurring problems despite your troubleshooting efforts, unusual noises from the unit, safety concerns involving electrical connections or refrigerant leaks, sudden spikes in utility bills, or if your system is short-cycling (turning on and off frequently).
Q5. Can I replace the AC’s capacitor myself to save money? While it’s possible for a handy homeowner to replace the capacitor, it’s generally recommended to have a professional handle this task. Capacitors can hold an electrical charge even when the power is off, posing a safety risk. If you decide to attempt it yourself, ensure you turn off all power to the unit and wait at least 30 minutes for the capacitor to discharge before touching any components.
