🔥❄️ Furnace Runs, But the House Still Feels Cold? Low Airflow Is a Common Cause ❄️🔥

🔥❄️ Furnace Runs, But the House Still Feels Cold? Low Airflow Is a Common Cause ❄️🔥

If your furnace is on but your home won’t warm up, you may not have a “heat problem” — you may have an airflow problem. Your furnace can produce heat, but if the air can’t move through the system properly, that warmth won’t reach your rooms. Low airflow can also cause the furnace to overheat and shut down early, leading to short cycling and bigger repairs.

At Uptown Heating & Air Conditioning, we test airflow, blower performance, static pressure, filter condition, and duct delivery to get your heat back strong, steady, and even.

⚠️ Common Signs of Low Airflow
✔️ Weak air from vents (even when the furnace is running)
✔️ Some rooms warm, others stay cold
✔️ Furnace runs longer than normal to keep up
✔️ Filter gets dirty very fast
✔️ Furnace turns off before reaching the set temperature

⚠️ Most Common Causes
✔️ Dirty/clogged air filter
✔️ Dirty blower wheel / weak blower motor
✔️ Coil buildup restricting airflow
✔️ Blocked returns or closed vents
✔️ Duct restrictions, crushed flex duct, or duct leaks
✔️ Fan speed not set correctly

💡 Quick Tip: Replace the filter and make sure vents/returns are open. If airflow is still weak, it needs a professional airflow diagnostic.

📅 Schedule your heating check today!
📍 Houston, Katy, Cypress, Spring, Tomball & surrounding areas

🔖 Hashtags
#UptownAC #FurnaceService #LowAirflow #HoustonHVAC #HeatingService
#HomeComfort #WinterReady #HVACTech #UptownHeatingAndAir

🔥❄️ Furnace Blowing Cold Air? Here’s What It Usually Means ❄️🔥

🔥❄️ Furnace Blowing Cold Air? Here’s What It Usually Means ❄️🔥

If your furnace is running but the air coming from the vents feels cold (or only slightly warm), don’t ignore it. A furnace should blow consistently warm air after the first minute or two of startup. If it stays cold, the system may not be heating properly—or it may be shutting the heat off for safety.

At Uptown Heating & Air Conditioning, we diagnose the problem fast and get your heat back safe, strong, and steady.

⚠️ Common Signs
✔️ Air feels cold or lukewarm for long periods
✔️ Home temperature won’t rise to the set point
✔️ Furnace turns on/off repeatedly
✔️ You hear clicking/ignition attempts but no steady heat
✔️ Some rooms feel colder than others

⚠️ Most Common Causes
✔️ Thermostat set to FAN ON (blows air even when heat isn’t running)
✔️ Dirty/clogged air filter restricting airflow
✔️ Dirty flame sensor (burners won’t stay on)
✔️ Weak ignitor or ignition failure
✔️ Limit switch tripping from overheating/airflow restriction
✔️ Duct leaks pulling in attic/crawlspace air
✔️ Heat strips not working (electric furnaces)

✅ Quick Checks You Can Do (Safe)
Set thermostat to HEAT and FAN AUTO
Replace the air filter if it’s dirty
Make sure supply vents/returns aren’t blocked

If it still blows cold after that, it’s time for a professional diagnostic—continuing to reset it can cause lockouts and bigger repairs.

📅 Schedule your heating service today!
📍 Houston, Katy, Cypress, Spring, Tomball & surrounding areas

🔖 Hashtags
#UptownAC #FurnaceRepair #ColdAir #HoustonHVAC #HeatingService
#NoHeat #HomeComfort #WinterReady #HVACTech #UptownHeatingAndAir