DIY
HVAC Airflow Troubleshooting
HVAC Airflow Troubleshooting: What Causes Weak Airflow? • Weak airflow may be caused by filters, blocked registers, blower problems, or other HVAC system issues.• Proper airflow helps maintain more consistent temperatures throughout the home.• Professional diagnosis can identify the source of an airflow problem before it becomes a larger repair. When certain rooms never seem […]
MERV Ratings Explained
MERV Ratings Explained: Which HVAC Filter Actually Protects Your Air? If you have ever compared a MERV rating chart at the store, the numbers can make choosing a filter feel more complicated than it should. MERV is a way to compare air filter efficiency ratings, but the highest number on the shelf is not always […]
Thermostat Not Working
Thermostat Not Working THERMOSTAT BLANK or THERMOSTAT DOESN’T WORK– The display on a digital thermostat shows no information or the thermostat does not function properly. POSSIBLE PROBLEM & DESCRIPTION Bad Batteries Most digital thermostats require batteries. Try replacing the thermostat batteries and see if the display returns. Watch Video. Loss of Power to the Furnace Low voltage power […]
Thermostat Blank
Thermostat Blank THERMOSTAT BLANK or THERMOSTAT DOESN’T WORK– The display on a digital thermostat shows no information or the thermostat does not function properly. POSSIBLE PROBLEM & DESCRIPTION Bad Batteries Most digital thermostats require batteries. Try replacing the thermostat batteries and see if the display returns. Watch Video. Loss of Power to the Furnace Low voltage power for […]
Odor
Odor ODOR – On a unusual smell coming from the furnace or ductwork. POSSIBLE PROBLEM & DESCRIPTION Seasonal Start-Up It is normal to have a burning smell (and sometimes even a small amount of smoke) from the furnace the first time that it comes on in cold weather. This is the result of heating the dust […]
Noise
Noise NOISE – An unusual sound is coming from the furnace. POSSIBLE PROBLEM & DESCRIPTION Loose Belt Some older furnaces use a belt-drive motor and blower system. When the belt becomes loose it can generate a squeaking or squealing noise (especially on start-up). A damaged belt may cause a thumping noise. Bad Blower Bearings – Qualified […]