If you're having a problem with your system,
try these simple tips.
- Find your problem category below.
- When you get to your problem, check for each sign and follow
the path to the end.
- If you find that the information listed below isn't solving
your problem, contact Denson Heating and
Air.
no cooling
no heating
no airflow
high utility bill
equipment runs all the time
system makes noise
components fail regularly

| No
cooling |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| Check for open doors or windows
in your home. |
|
If your doors or windows are
open. >> |
|
Close them! Cool air may be escaping
through them. |
| Check to see if your thermostat
is on, and what temperature it's set at. |
|
Did you find that the thermostat
is off or set incorrectly? >> |
|
Turn on and/or reset thermostat. |
| Check your home's circuits and
fuse box. |
|
Is there a burned out fuse or
flipped circuit? >> |
|
Switch on the circuit or replace
fuse. |
| Hold your hand in front of your
indoor vents. Do you feel air, but air that hasn't been cooled?
|
|
Most likely, your indoor unit
is running, but the outdoor unit is not. If this is the case.
>> |
|
You might have a frozen line
between your fan and compressor. Temporary solution:
Turn off your thermostat and leave it off for 1-3 hours.
Permanent solution: Contact
Denson HVAC |
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to top  |
| No
heating |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| Do you have a new or newly remodeled
home? Was any work done on your fuel lines recently? |
|
Check to see if your gas has
been turned off. If this is the case. >> |
|
Have gas turned back on. |
| Check to see
if your thermostat is on, and what temperature it's set at. |
|
If your thermostat
is turned off or set wrong. >> |
|
Turn on and/or
reset thermostat. |
| Check your heating unit. |
|
If the unit is switched off
or unplugged... |
|
Check your user care manual. |
| Check your
heating unit. |
|
If your safety
device is open. >> |
|
Contact
Denson HVAC |
| Check your owner's manual to
determine what kind of component failure it might be. |
|
If you can determine what kind
of component failure you're dealing with. >> |
|
Contact
Denson HVAC. The info you've determined from the owner's
manual will prevent your us from having to make multiple visits. |
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to top  |
| No
airflow |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| Check to see if there is any
air coming through your vent. |
|
Your indoor blower may not be
operating. If this is the case. >> |
|
Contact
Denson HVAC |
| Check around your outdoor unit. |
|
If there are any leaves, hedges
or property walls butting up against it. >> |
|
Your system may have frozen up
due to a dirty coil. Make sure your outdoor unit has 1"
of clearance all around it. Contact
Denson HVAC |
| Check the filters in each of
your system components. |
|
If any of your filters are dirty.
>> |
|
Determine which of your filters
is a problem. Consult your manual to clean or replace it. or
Contact Denson HVAC |
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to top  |
| My
utility bills seem unusually high |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| Consider whether you have new
appliances (e.g. a hot tub or pool heater) that might be using
lots of power. |
|
-- |
|
It may not be your heating and
cooling system that's raising your bills. |
| Check to see if your local utility
company had a recent rate increase. |
|
-- |
|
It may not be your heating and
cooling system that's raising your bills. |
Check to see that your system
is cycling constantly. |
|
If your system IS cycling constantly,
and IS reaching its set point... |
|
This usually means that your
system's working fine, but your local temperatures are constantly
in the extreme, so your system's working extra hard to meet
that set point. |
| Check to see that your thermostat
is reaching its set value. |
|
If your system IS cycling constantly,
but ISN'T reaching its set point... |
|
Contact
Denson HVAC |
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to top  |
| My
equipment runs all the time |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| Check the set point on your thermostat. |
|
If your thermostat is set unusually
low (summer) or unusually high (winter)... |
|
Your system may be trying to
reach a set point that is too extreme.
Reset thermostat or Contact
Denson HVAC |
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to top |
| My
system is making noise |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| - |
|
-- |
|
Contact
Denson HVAC |
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to top |
| Various
components of my system fail pretty regularly |
| Check
for signs: |
 |
Possible
cause: |
 |
Possible
remedy: |
| -- |
|
-- |
|
Contact
Denson HVAC |
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to top  |
|