Are 13 SEER AC units being phased out?
Yes. In the U.S., new minimum efficiency rules have effectively phased out installing new central air conditioners rated at 13 SEER; most new systems must meet higher SEER (or SEER2) minimums depending on region. This does not affect keeping or repairing a GE ARC13AACBL2 room air conditioner.
Room air conditioners are regulated differently than whole-home (central) split systems. If your ARC13AACBL2 still cools well, it is normal to keep using it and replace parts as needed.
Common repairable issues on room A/C units include:
- Fan not running or noisy fan operation
- Weak airflow from the grille
- Unit trips the breaker or won’t start
- Intermittent cooling due to wiring or sensor problems
- Vibration from a damaged blade or loose shroud
It matters when you are shopping for or installing a new central air conditioner or heat pump (outdoor condenser plus indoor coil/air handler). In that case, the minimum efficiency is higher than 13 SEER, so a contractor typically cannot install a new 13 SEER system.
| Equipment type | Where “13 SEER” comes up | Typical impact today |
|---|---|---|
| Central A/C (split system) | SEER/SEER2 ratings | New installs must meet higher minimums |
| Room air conditioner (window/through-wall) | Uses different efficiency metrics | Not tied to the 13 SEER central A/C rule |
If your ARC13AACBL2 has a fan or airflow problem, these model-matched parts are often involved:
- Room air conditioner fan motor WJ94X25405
- Outdoor fan blade WJ73X25397
- Run capacitor WJ20X25406
- Main harness WJ35X25408
Mixing up central A/C SEER rules with room A/C efficiency can lead to unnecessary replacement. For a room air conditioner, the practical decision is usually based on cooling performance, noise, electrical reliability, and whether key parts (motor, capacitor, harness) are in good shape.
Last updated: February 2026
How many square feet will a 13500 BTU air conditioner cover?
A 13,500 BTU room air conditioner (like many GE window units in this class) typically cools about 550 to 700 square feet in average conditions. For your GE ARC13AACBL2, the real-world coverage depends most on insulation, sun exposure, ceiling height, and how often doors open.
- Strong sun / west-facing windows: plan closer to 550 to 600 sq ft
- Shaded room / good insulation: plan closer to 650 to 700 sq ft
- Ceilings over 8 ft: reduce effective coverage (more air volume to cool)
- Open floor plans: treat connected spaces as one larger area
- High heat loads (kitchen, many people, electronics): size up or expect longer run times
- Measure length and width in feet.
- Multiply to get square footage.
| Room size | What to expect from 13,500 BTU |
|---|---|
| 450 to 550 sq ft | Fast pull-down, strong comfort margin |
| 550 to 700 sq ft | Typical target range for this BTU class |
| Over 700 sq ft | May run constantly and struggle on hot days |
Right-sizing helps your GE ARC13AACBL2 control temperature and humidity without excessive run time. If the unit is undersized, it can run nonstop and still feel warm; if oversized, it can cool quickly but leave the room feeling clammy.
If airflow is weak or the unit is noisy, these model-matched parts are common suspects:
Last updated: February 2026
What are common 2 ton AC problems?
A “2 ton AC” usually refers to a central air system (about 24,000 BTU), but many comfort and cooling problems are similar to a GE room air conditioner like model ARC13AACBL2: restricted airflow, dirty coils, weak electrical components, and fan issues that reduce cooling and increase run time.
- Dirty air filter or clogged coil: weak airflow, icing, musty odor
- Outdoor fan not moving enough air: unit runs hot, poor cooling, loud fan noise
- Weak run capacitor: fan or compressor struggles to start, humming, intermittent operation
- Loose or damaged wiring: random shutoffs, burning smell, no-start
- Sensor problems: short cycling, temperature swings
- Unplug the unit and let it sit 5 minutes.
- Clean or replace the filter; vacuum dust from the front grille.
- Inspect coils for heavy lint buildup; gently clean accessible surfaces.
- Confirm the fan spins freely by hand (power disconnected).
- If symptoms point to electrical testing, use a meter and follow a proven process like how to use a multimeter to test electrical parts video.
| Symptom | Likely area | Example part for this model |
|---|---|---|
| Fan won’t start or runs weak | Motor or capacitor | Room air conditioner fan motor WJ94X25405, run capacitor WJ20X25406 |
| Loud fan, vibration | Fan blade or shroud | Outdoor fan blade WJ73X25397, outdoor fan shroud WJ76X25398 |
| Intermittent power, no-start | Wiring harness | Main harness WJ35X25408 |
| Icing or erratic temperature | Sensor/airflow | Indoor coil sensor WJ26X27378 |
Airflow and heat transfer problems (filter, coils, fan) are the top causes of “not cooling” complaints and can also trigger icing. Electrical issues (capacitor, harness) often show up as hard-starting, humming, or random shutdowns.
Last updated: February 2026


