| Most homeowners have little HVAC knowledge | | | | light switch. Some digital thermostats have two |
| beyond using the thermostat. If your thermostat | | | | different power sources: battery and wired from |
| fails, many people end up calling a Denver HVAC | | | | the external unit. The batteries power the display, |
| company thinking there is something wrong with | | | | so if the batteries go out, the display stops |
| their air conditioning equipment when in reality, | | | | working but the ac unit does not stop cooling. You |
| there is something wrong with the thermostat. | | | | can save yourself a lot on calling a Denver air |
| When the AC refuses to turn on, it can be hard | | | | conditioning repair company by simply replacing |
| for someone who is not an HVAC expert to | | | | the batteries. The batteries are there to maintain |
| determine if the problem is in the equipment or in | | | | your programmed thermostat settings in case the |
| the thermostat. | | | | power goes out. |
| However, before you call a Denver HVAC | | | | If the problem with the thermostat is not the |
| company, try and follow this troubleshooting guide | | | | power, it could be the location the thermostat is |
| to see if you can get to the root of the problem. | | | | installed. Except in very advanced models with |
| Even more advanced digital and zone-control | | | | multiple temperature sensors over the building, |
| thermostats really just function as thermometers | | | | most thermostats have the thermometer built in. |
| that switch the HVAC system on and off | | | | That means if the thermostat was built into an |
| depending on the temperature. As an electronic | | | | area that does not represent the air temperature |
| switch, the thermostat needs to be hooked up to | | | | in your home then it will give false readings. |
| power in order for it to work and communicate | | | | Thermostats with mercury bulbs need to be level |
| with the heating and air conditioning equipment. | | | | to give accurate temperature readings. Heating |
| Usually the power for the thermostat comes | | | | anticipatory can also get out of whack when not |
| from the air conditioning unit itself. So any break | | | | properly calibrated. The anticipatory needs an amp |
| along this line could cause the thermostat to turn | | | | meter in mechanical thermostats to adjust to |
| off. You can check the circuit breaker in the air | | | | make sure it properly keeps the blower running |
| handler or heating split system to see if it has | | | | past the burner time to get excess hot air out of |
| flipped off. Sometimes the handling unit also has a | | | | the ducts. |
| power switch outside the unit that looks like a | | | | |