HVAC Troubleshooting Guides
Try these fixes before calling a tech. Most are free and take under 5 minutes. If these don't work, we're here to help.
Furnace Blowing Cold Air
Your furnace runs but only cold air comes out? Check these 3 things before calling for service.
3 min readThermostat Screen Blank
Dead thermostat display? It's usually something simple. Check these common causes.
2 min readAC Leaking Water Inside
Water pooling around your indoor unit? Stop the leak before it causes damage.
4 min readAC Not Cooling
Air conditioner running but not cooling? Check the most common culprits.
5 min readFurnace Making Strange Noises
Banging, squealing, or rattling? Different sounds mean different problems.
6 min readThermostat Not Working Right
Temperature swings, unresponsive controls, or wrong readings? Troubleshoot here.
5 min readAC Short Cycling
System turning on and off every few minutes? That's short cycling, and it's bad for your equipment.
4 min readFurnace Leaking Water
Water around your furnace? High-efficiency furnaces can leak. Here's why and what to do.
4 min readFurnace Burning Smell
Smell something burning when the heat kicks on? Sometimes it's normal. Sometimes it's not.
3 min readWhen to Call a Professional
Some problems need a trained technician. Call us immediately if you notice any of these:
Gas Smell
If you smell gas, leave immediately and call your gas company. This is an emergency.
Electrical Sparks
Sparking, burning electrical smell, or tripped breakers that keep tripping need a pro.
Carbon Monoxide Alarm
If your CO detector goes off, evacuate and call 911. Don't re-enter until cleared.
Prevent Problems Before They Start
Change Filters
Every 1-3 months. Dirty filters cause most HVAC problems.
Schedule Tune-Ups
Twice a year catches problems early and keeps your system efficient.
Clear Vents
Keep furniture and curtains away from supply and return vents.
Clean Outside Unit
Remove leaves, debris, and keep 2 feet of clearance around the unit.
Still Need Help?
If these guides didn't solve your problem, we're just a call away. No judgment—we know not everything can be DIY'd.