Air Conditioner Blowing Warm Air?
Discover Potential Causes Alongside Troubleshooting Tips
Before You Call a Professional Like Us
Just Want a Professional to Come Out?
Skip the hassle — schedule service directly with us. We guarantee same-day repairs for ACs blowing warm air, backed by our no-breakdown guarantee for lasting peace of mind.
Warm Weather has Arrived in Columbus, OH
If your air conditioner is blowing warm air, you’re certainly not alone.
Warm weather has officially arrived in the Columbus, OH area, and many local homeowners are facing this exact issue—especially when turning on their air conditioners for the first time in months. It’s frustrating, but there’s good news.
This issue can often be resolved fairly easily, and possibly without professional help. That’s exactly why we’re sharing the practical troubleshooting steps listed below—along with the most common reasons your air conditioner may be blowing warm air.
We get it. The last thing you want to do is call a heating & cooling company and shell out money for what ends up being an easy fix. Truly, it becomes a lose-lose situation for both parties. You regret not trying to fix the issue yourself, and we may appear to be overcharging.
So, before calling a professional like us, try the troubleshooting steps listed below to see if you can resolve the issue on your own.
Note: These tips were personally compiled by our team at Fast Response.
- Why Your AC is Blowing Warm Air
Common Issues & Troubleshooting Tips
A wrong thermostat setting can cause your AC to blow warm air. It's one of the most common — and easiest — issues to overlook.
Tip: Make sure it’s set to “cool” and the fan is on “auto”. Replace batteries if needed
Without enough refrigerant, your system can’t remove heat from your home. This often results in warm air and poor cooling.
Tip: Look for ice buildup or hissing sounds near refrigerant lines — then call a pro for a recharge and leak check.
A clogged filter restricts airflow and can lead to warm air or even system shutdowns.
Tip: Check your filter. If it looks dusty or gray, replace it — ideally every 1–3 months.
If the indoor unit runs but the outdoor unit doesn’t, the air won’t get cooled.
Tip: Step outside and listen. If the unit is silent, check the breaker panel for a tripped switch.
Dirty coils make it harder for your system to cool, causing longer run times and warm air.
Tip: Rinse the outdoor coil with a hose if you see dirt buildup. Heavy grime? Call for a professional clean.
A frozen coil blocks airflow, leading to weak or warm air from your vents.
Tip: If you see ice on the system, turn it off and set the fan to “on” to thaw it — then call for service.
If these parts fail, your outdoor unit may not start — leaving you with warm air.
Tip: If the unit hums but doesn’t start, it’s likely a failed capacitor or compressor. This needs a technician.
Air leaks in the ductwork can send cooled air into attics or crawlspaces instead of your home.
Tip: Check visible ductwork for loose or collapsed sections. Uneven cooling is another warning sign.
Can’t Identify the Root Issue?
Contact our dedicated support line at (614) 635-7708 for real-time troubleshooting assistance. You’ll be connected with a cooling expert who can help you identify the root issue with your system — with absolutely no obligation.
- Dealing with a Severe Issue?
If you’ve identified the issue as being more severe (e.g., low refrigerant levels or a dirty condenser), we recommend calling a professional. We get it — it might not be the answer you were hoping for, but it’s absolutely necessary. Attempting to fix a more serious issue yourself can lead to mishaps that cause even greater damage to your system — and much higher repair costs. With a professional’s touch, you can rest assured that your system has been properly serviced and that the issue won’t reoccur down the line. This ultimately saves you money in the long run.
Contact Fast Response for Guaranteed Same-Day Service
We’re a professional HVAC company you can contact in the Columbus, OH area
and we guarantee to fix this particular issue on the very same day you reach out to us—or we’ll put you in a hotel for free. Before you contact your usual HVAC provider or look elsewhere, here are a few reasons to choose us for your repair:
Book today and get service today — it’s that simple, and we guarantee it. At Fast Response, it’s in our name and exactly how we set ourselves apart from other HVAC providers in the Columbus, OH area. If we don't repair your air conditioning system within 24 hours, we’ll put you in a hotel. That said, in our three decades of experience, this has rarely ever happened.
When you choose us for air conditioning service, you receive free protection through our No-Breakdown Guarantee. Essentially, if your system breaks down at any point after we perform service, we are obligated to return and address the issue at absolutely no cost to you. This ensures our repairs are completed with the highest level of quality and workmanship — and that your system is properly repaired.
Our technicians are not salespeople. Their only objective is to repair your system with the highest quality workmanship possible — and that’s it. When you call us for service, you won’t be pressured into unnecessary repairs or told you need a new system. Our goal is to earn your trust and business over the long run.
Based in Grove City – Servicing Greater Columbus, OH
With our service hub located in Grove City, we proudly serve the entire Columbus, OH area, including several notable communities listed below:
• German Village
• Short North
• Clintonville
• Upper Arlington
• Grandview Heights
• Bexley
• Westerville
• Grove City
• Hilliard
• Dublin
• Worthington
• Gahanna
• New Albany
• Pickerington
• Reynoldsburg
• Canal Winchester
Repair Your AC Today – Save While You're At It
If your air conditioner is blowing warm air — or experiencing any sort of issue — save on the repair costs with our specials listed below. These specials are not being promoted anywhere else.
Haven’t Used Us for Cooling Service Before?
Here’s What You Need to Know About Us
If you haven’t heard of us before, here’s what you should know: we’re not a fly-by-night heating and cooling company. We bring over three decades of HVAC experience to the greater Columbus, OH area and remain on standby 24/7 to handle incoming service requests — especially emergencies. Most importantly, we are a family-owned and operated business, with many of our technicians being siblings. Simply put, when you request heating and cooling service from us, we aim to deliver the same quality of service we would expect for our own family.