Skip to main content

«  View All Posts

Why Is My AC Blowing Warm Air in Follansbee, WV?

January 27th, 2026

3 min read

By Scott Merritt

AC blowing warm air
Why Is My AC Blowing Warm Air in Follansbee, WV?
6:05

Quick Answer

If your AC is blowing warm air in Follansbee, the most common causes are low refrigerant from a leak, restricted airflow, electrical control failure, or the system shutting down to protect itself. Flood-prone areas, higher ground moisture, and older housing common in Follansbee increase the likelihood of these problems. Continuing to run the system while it blows warm air often causes additional damage.

Why You Can Trust This Explanation

I’m Scott Merritt, and I’ve been working in residential HVAC since 1994.

Over the last 30+ years, I’ve personally diagnosed, repaired, and replaced thousands of residential systems and trained hundreds of technicians across Ohio, including throughout the Upper Ohio Valley.

What follows is based on patterns we consistently see in real Follansbee homes, not generic HVAC advice.

Why Warm Air Happens More Often in Follansbee Homes

Follansbee’s proximity to the Ohio River creates conditions that stress AC systems differently.

We commonly see:

  • Homes located in flood-prone or high-moisture areas
  • Basements with elevated humidity
  • Outdoor units installed close to grade
  • Electrical components exposed to moisture over time
  • Older duct systems routed through damp spaces

Moisture doesn’t always cause immediate failure, but it accelerates wear, making warm air a frequent early symptom.

The Most Common Reasons an AC Blows Warm Air

1. Refrigerant Leaks Linked to Moisture and Corrosion

This is one of the most common causes we find in Follansbee.

Persistent moisture can corrode:

  • Copper line sets
  • Aluminum coils
  • Connection points near the outdoor unit

When refrigerant leaks, the system loses its ability to remove heat, even though it may still run.

2. Airflow Problems From Damp Basements

Basements with high humidity often affect airflow.

Common issues include:

  • Collapsed or softened duct insulation
  • Mold or debris restricting returns
  • Reduced airflow across the indoor coil

Low airflow can cause coil freeze-ups that later thaw, leaving the system running without cooling.

3. Electrical Control Failure From Moisture Exposure

Humidity shortens the lifespan of electrical components.

Failures often involve:

  • Contactors
  • Capacitors
  • Control boards

When these fail, the blower may still run while the outdoor unit does not, producing warm air at the vents.

4. Thermostat and Low-Voltage Wiring Issues

Moisture can also affect thermostat wiring, especially in older homes.

This can lead to:

  • Intermittent cooling
  • Incorrect system operation
  • Air movement without cooling

5. System Safety Lockout

Modern AC systems monitor pressure, temperature, and electrical conditions.

If moisture-related issues push readings outside safe limits, the system may shut cooling down automatically to prevent damage.

6. Overall System Wear

In moisture-heavy environments, systems often lose tolerance earlier than expected.

As wear increases:

  • Efficiency drops
  • Electrical reliability declines
  • Warm air appears more often during hot, humid weather

This doesn’t always require replacement, but it does require careful evaluation.

A Real Follansbee Home Example

We worked on a Follansbee home near the river with a basement air handler that began blowing warm air during a stretch of humid weather.

The causes included:

  • Refrigerant loss from corrosion at the outdoor coil
  • Restricted airflow due to damp basement ductwork
  • Electrical contactor failure linked to moisture exposure

Together, these explained why the system ran but no longer cooled.

The Most Common Mistake Homeowners Make Here

Assuming humidity alone is the problem.

Humidity makes conditions worse, but warm air usually signals a mechanical or electrical issue. Running the system without diagnosis often leads to deeper damage.

Who This Article Is (And Is Not) For

This is for you if:

  • Your AC runs but doesn’t cool
  • Your home has a basement or sits in a damp area
  • Cooling performance drops during humid weather

This may not apply if:

  • You have a brand-new system with a confirmed manufacturer defect
  • You use ductless mini-splits
  • The issue is limited to one room only

What Guarantees Apply If Your AC Needs Repair

Honest Fix Service Trust Guardian (Repairs & Diagnostics)

Repairs and diagnostics are protected by our Service Trust Guardian, which includes:

  • A 5-year labor warranty on covered repairs
  • A 60-day satisfaction guarantee
  • No overtime or after-hours charges
  • On-time arrival and clean-work commitments

These guarantees remain active with documented yearly maintenance, consistent with manufacturer requirements.

If Warm Air Leads to System Replacement

Honest Fix Lifetime Trust Shield (New Installations)

New systems are protected by our Lifetime Trust Shield, which includes:

  • Long-term labor coverage
  • A full money-back satisfaction period
  • A no-lemon replacement guarantee
  • Energy performance accountability
  • Apples-to-apples price protection

These protections are written and designed for homeowners in the Upper Ohio Valley.

Other Ohio Valley Communities With Similar AC Issues

We see similar warm-air problems in nearby towns, including:

  • Steubenville, OH
  • Wintersville, OH
  • Toronto, OH
  • Mingo Junction, OH
  • Brilliant, OH
  • Weirton, WV
  • Wellsburg, WV
  • New Cumberland, WV
  • Colliers, WV
  • Hooverson Heights, WV

Frequently Asked Questions

Should I shut my AC off if it’s blowing warm air?

Yes. Continuing to run it can cause additional damage.

Is warm air always a refrigerant problem?

No. Moisture-related airflow and electrical issues are very common in Follansbee homes.

What guarantees do you offer?

Repairs are protected by the Service Trust Guardian. New installations are protected by the Lifetime Trust Shield.

What To Do Next

Warm air is an early warning sign. A clear diagnosis protects your system and helps avoid unnecessary damage.

Call Honest Fix today for a free exact quote.

You can also learn about our guarantees before you decide.

Scott Merritt

Scott Merritt is a co-founder of Honest Fix Heating, Cooling and Plumbing and brings more than 30 years of experience across HVAC, leadership, and industry education. He serves in a senior leadership and oversight role, providing licensed guidance, reviewing HVAC educational content, and supporting technician training and documentation standards. Prior to co-founding Honest Fix, Scott founded and owned Fire & Ice Heating & Air Conditioning in Columbus, Ohio, which he operated for more than two decades before selling the company in 2025. During that time, he led programs and partnerships including Carrier Factory Authorized Dealer, Trane Comfort Specialist, and Rheem Pro Partner, helping establish high technical and training standards. Scott is the Ohio State HVAC license holder for Honest Fix and provides licensed oversight to help ensure work meets applicable codes and manufacturer requirements. Learn more about Scott’s background and role at Honest Fix by viewing his full leadership bio.