Vent Problems? What Homeowners Can Safely Check
Weak, noisy, dirty, or uneven airflow at a vent can come from the register itself, the filter, duct…
Read guideHomeowner guidance
Heating & Cooling Help
Understand common heating and cooling problems, safe first checks, and when professional help may make sense.
Heating & CoolingBrowse by problem
What Are You Experiencing?
Start with the issue that sounds closest to what you’re noticing.
Cooling Problems
Airflow & Ventilation
Heating Problems
Controls & System Signs
Heating & CoolingNeed HVAC help?
Call for HVAC Help
If the issue you found needs professional attention, use the matching Heating & Cooling connection below.
Call for HVAC HelpConnection availability can vary by location, routing availability, campaign conditions, and provider participation.Related homeowner guides
Start With Clear Information
Read practical guides for common heating & cooling problems.
Heating Not Working? Safe First Checks
When the heat does not come on, start with thermostat settings and visible system conditions while avoiding gas,…
Read guideHeat Is On but the Home Is Still Cold? What to Check
If the heating system runs but the home does not warm up as expected, airflow, thermostat settings, room-by-room…
Read guide
Unusual HVAC Noise? What the Sound Can Tell You
Rattling, buzzing, squealing, grinding, banging, or other new HVAC sounds can help identify where a problem is occurring,…
Read guide
Strange HVAC Odor? What to Notice Before You Call
A new smell from the HVAC system can be related to dust, a dirty filter, moisture, electrical overheating,…
Read guide
AC Not Turning On? Safe Things to Check First
If the AC does not start at all, check the thermostat and a few visible power-related basics before…
Read guideA simple path forward
Understand Before You Decide
1
Notice the Symptoms
Start with what you can see, hear, smell, or feel.
2
Review Guidance
Understand common possibilities, basic checks, and warning signs.
3
Connect if Needed
Where available, use the matching heating & cooling connection only.
Need HVAC Help?
HomeService Path can help homeowners reach local heating & cooling professionals where an approved route is available.