Homeowner Help: Furnace, AC & Water Heater Problems
Homeowner help for heating, cooling and hot water problems: what you can safely check yourself, what an error code means, and when to call a licensed technician in Vaughan, Toronto and the GTA.
Common problems
- Furnace Not Turning On: What to Check
- Furnace Blinking Light: What the Flash Codes Mean
- Tankless Water Heater No Hot Water: What to Check
- AC Running But Not Cooling: What to Check
- Heat Pump Not Heating or Blowing Cold Air
- Boiler Not Heating: What to Check
- Gas Fireplace Won't Light or Stay Lit
Look up an error code by brand or model →
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.