15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served
Straightforward pricing
- $99 dispatch on every truck roll. Free on new-install estimates.
- $210 flat residential service call: $99 dispatch plus $111 diagnostic. The diagnostic does not reduce the repair price.
- Written repair estimate: I give you a written repair estimate before repair work starts.
- Free estimates on new installs. No charge to walk through replacement options.
Call (405) 375-4822. 4.8 stars, 300+ Google reviews.
Why Is My AC Leaking Water?
Quick Answer
If your air conditioner is leaking water inside your home, the issue is often related to a clogged condensate drain line, frozen evaporator coil, damaged drain pan, or improper installation. Some issues are minor. Others require professional repair to prevent water damage.
In Oklahoma’s humid summers, this is a common HVAC service call.
Why Does an AC System Produce Water?
Air conditioners remove humidity from indoor air. As warm air passes over the evaporator coil, condensation forms and drains through a condensate line.
If that drainage system becomes blocked or damaged, water can leak inside your home.
Common Reasons Your AC Is Leaking Water
1️⃣ Clogged Condensate Drain Line
Dirt, algae, and debris can block the drain line, causing water to back up into the unit or drip into the home.
2️⃣ Frozen Evaporator Coil
When airflow is restricted or refrigerant is low, the coil can freeze. When it melts, excess water may overflow.
3️⃣ Cracked or Rusted Drain Pan
Older systems may develop corrosion in the drain pan, allowing water to escape.
4️⃣ Improper Installation or Leveling
If the unit is not level, water may not drain properly.
5️⃣ Dirty Air Filter
Restricted airflow can contribute to freezing and excess condensation.
What You Can Safely Check
Before calling for service, you can:
✔ Look for water from a safe distance, and turn the system off at the thermostat if water is near the equipment
✔ Check your air filter
✔ Check the thermostat mode and setpoint
✔ Write down any error code
✔ Turn off the system if ice is present, then call me
If water continues leaking, professional inspection is recommended to prevent structural damage.
When to Call for AC Repair
Contact a technician if:
- Water is pooling around the indoor unit
- Water is dripping from ceiling vents
- Ice is visible on refrigerant lines
- The drain line repeatedly clogs
- You notice mold or mildew smells
Preventative Maintenance Helps
Routine HVAC maintenance includes checking and clearing drain lines to prevent water leakage problems.
Could It Be Time for Replacement?
If your AC system is older and experiencing repeated drain issues, replacement may be the better long-term solution.
Oklahoma Climate Considerations
Oklahoma’s summer humidity increases condensation production. Proper drain maintenance is especially important in central Oklahoma homes.
Serving Central Oklahoma
Hartzell’s Heat & Air is based in Kingfisher County and provides AC repair services throughout central Oklahoma across my 7-county service area, including Oklahoma City and surrounding communities.
Frequently Asked Questions
Is AC leaking water dangerous?
It can lead to water damage, mold growth, and system malfunction if not addressed.
Should I turn off my AC if it’s leaking?
If water is pooling or ice is present, turning off the system can prevent further damage until it is inspected.
How often should drain lines be cleaned?
Drain lines should be checked during routine maintenance visits, typically twice per year.
Frequently Asked Questions
Why is my AC leaking water inside the house?
The most common cause is a clogged condensate drain line. Other causes: a frozen evaporator coil thawing, a cracked drain pan, or a dirty air filter restricting airflow. Check your filter first, look for water from a safe distance, and turn the system off at the thermostat if water is near the equipment.
Can I fix a clogged AC condensate drain myself?
I do not recommend it. Turn the system off at the thermostat if water is near the equipment, check the air filter, and look for water from a safe distance, then call me. Flushing or vacuuming the line, opening the unit, or resetting the float switch is service work, and the drain pan or float switch may need service too. Clearing a drain does not guarantee against future blockage or leaks, and I am not responsible for water damage from an existing or later drain restriction, leak, backup or disconnected piping. Call 405-375-4822.
Is water leaking from my AC an emergency?
It depends on location and volume. A small drip from a drain port is urgent but manageable. Water dripping onto electrical components or into walls or flooring is an immediate concern, turn the system off and call 405-375-4822.
Is AC leaking water dangerous?
It can lead to water damage, mold growth, and system malfunction if not addressed.
Should I turn off my AC if it’s leaking?
If water is pooling or ice is present, turning off the system can prevent further damage until it is inspected.
How often should drain lines be cleaned?
Drain lines should be checked during routine maintenance visits, typically twice per year.
Ready to Schedule?
Call 405-375-4822 or book online. Same-day appointments often available. Free estimates on new systems.
Nearby Communities I Serve
Related HVAC Help
- AC Not Cooling Properly
- AC Blowing Warm Air
- AC Repair Services
- HVAC Maintenance
- Contact Hartzell’s Heat & Air
Schedule AC Service
If your AC is leaking water, contact Hartzell’s Heat & Air for professional diagnostics and repair.
Common HVAC Questions › · Current Specials › · Equipment Warranties › · See Pricing ›
Ready to Schedule Service?
A repair visit is my $210 service call: $99 dispatch plus $111 diagnostic, not credited toward the repair. I give you a written repair price before any work starts.
