What people keep running into with air conditioning
Complaints tagged air conditioning, each raised by more than one person. One-off posts are not included.
86 recurring problems · 1007 people · 24 forums we read
Raised more than once
Most people first.
- 2How to check refrigerant charge on a new AC unitNew HVAC installations often force guesswork with refrigerant weights due to missing manual subcooling targets and reused or buried line sets. This leaves people dealing with slow cooling and poor dehumidification while struggling to figure out whether the system is undercharged or overcharged.
- 2How to get air bubbles out of the cooling systemTrapped air pockets remain in the system even after refilling coolant and running the engine with the heat on full. This leaves the cabin without hot air and causes indoor temperatures to slowly creep up by afternoon despite the AC being set low.
- 2How to protect an outdoor AC unit for winterOutdoor air conditioner condensers exposed to heavy snow, ice, and falling leaves from nearby trees need weather protection to prevent debris buildup and moisture damage. Covering the unit improperly or leaving it completely exposed can trap moisture and cause mechanical issues, making it frustrating to figure out the right way to winterize it yourself.
- 2Why is my car AC blowing hot on one side?The air conditioning system blows cold air on one side and hot air on the other due to issues like a malfunctioning blend door actuator or refrigerant flow problems. This causes the climate control to fail completely after running for a while or when idling in traffic.
- 2Is it safe to vent AC exhaust into a drop ceiling?Routing an exhaust vent above ceiling tiles in older buildings risks disturbing asbestos particles and making the room hazardous. Additionally, standard tiles cannot support the weight of the vent on their own, forcing people to build reinforced frames or modify tubing to secure the setup.
- 2Why is my brand new AC condenser fan not spinning?Browned or burned electrical cables and a bad resistor can prevent even a brand new fan from spinning. This wiring damage stops the fan from operating normally, though the system may still blow excessively cold air while the vehicle is moving. Fixing the root cause requires replacing the damaged cabling along with the blower components.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.