Support
Frequently Asked Questions
You've got questions and the experts at Sun City Heating and Cooling Inc have the answers. Below you'll find a collection of previous questions and the expert answers. If you'd like an answer to your question, just click the link below, enter your question and the experts will get you an answer.
Troubleshooting
Before calling for HVAC emergency service, please read the tips below.
It may prevent a service call or help us diagnose your problem quicker.
List of Services
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Air Conditioner - No CoolingList Item 1
- Check the settings on your thermostat. Make sure the temperature control selector is set below the current room temperature, and the system switch is on the COOL or AUTO position. The fan switch should be set to ON for continuous airflow or AUTO if you want the blower to operate only while the air conditioner is operating.
- Try to get the air conditioner to turn on by lowering the thermostat to its lowest temperature setting.
- If the air flow out of your registers seems low, check the air filter. An extremely dirty air filter can block air flow.
- Make sure all registers are open and not obstructed.
- Check the power disconnect switch by each unit (outdoor and indoor).
- Check the fuse/breaker at the electrical panel for both the outdoor and indoor unit.
- If the problem persists, please call us.
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Heat Pump - No HeatingList Item 2
- Check the settings on your thermostat. Make sure the temperature control selector is set above the current room temperature, and the system switch is on the HEAT or AUTO position. The fan switch should be set to ON for continuous airflow or AUTO if you want the blower to operate only while the heat pump is operating.
- Try to get the heat pump to turn on by raising the thermostat to its highest temperature setting.
- If the air flow out of your registers seems low, check the air filter. An extremely dirty air filter can block air flow.
- Make sure all registers are open and not obstructed.
- Check the power disconnect switch by each unit (outdoor and indoor).
- Check the fuse/breaker at the electrical panel for both the outdoor and indoor unit.
- If the problem persists, please call us.
-
Heat Pump - No CoolingList Item 3
- Check the settings on your thermostat. Make sure the temperature control selector is set below the current room temperature, and the system switch is on the COOL or AUTO position. The fan switch should be set to ON for continuous airflow or AUTO if you want the blower to operate only while the heat pump is operating.
- Try to get the heat pump to turn on by lowering the thermostat to its lowest temperature setting.
- If the air flow out of your registers seems low, check the air filter. An extremely dirty air filter can block air flow.
- Make sure all registers are open and not obstructed.
- Check the power disconnect switch by each unit (outdoor and indoor).
- Check the fuse/breaker at the electrical panel for both the outdoor and indoor unit.
- If the problem persists, please call us.
-
Gas Furnace - No HeatingList Item 4
- Check the settings on your thermostat. Make sure the temperature control selector is set above the current room temperature, and the system switch is on the HEAT or AUTO position. The fan switch should be set to ON for continuous airflow or AUTO if you want the blower to operate only while the furnace is operating.
- Try to get the furnace to turn on by raising the thermostat to its highest temperature setting.
- If the air flow out of your registers seems low, check the air filter. An extremely dirty air filter can block air flow.
- Make sure all registers are open and not obstructed.
- Check the power disconnect switch by the furnace.
- Check the fuse/breaker at the electrical panel for the furnace.
- Check to make sure the gas control valve to the furnace is open.
- Check the pilot light. (Electronic ignitions will not have a pilot light).
- If the problem persists, please call us.
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Oil Furnace - No Heating
- Check the settings on your thermostat. Make sure the temperature control selector is set above the current room temperature, and the system switch is on the HEAT or AUTO position. The fan switch should be set to ON for continuous airflow or AUTO if you want the blower to operate only while the furnace is operating.
- Try to get the furnace to turn on by raising the thermostat to its highest temperature setting.
- If the air flow out of your registers seems low, check the air filter. An extremely dirty air filter can block air flow.
- Make sure all registers are open and not obstructed.
- Check the power disconnect switch by the furnace.
- Check the fuse/breaker at the electrical panel for the furnace.
- Check to make sure you have fuel oil.
- If the problem persists, please call us.
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Gas / Oil Boiler - No Heating
- Check the settings on your thermostat. Make sure the temperature control selector is set above the current room temperature, and the system switch is on the HEAT or AUTO position.
- Try to get the boiler to turn on by raising the thermostat to its highest temperature setting.
- Check the power disconnect switch by the boiler.
- Check the fuse/breaker at the electrical panel for the boiler.
- Check to make sure you have fuel oil or check to make sure the gas control valve to the boiler is open.
- Check the pilot light. (Electronic ignitions will not have a pilot light).
- If the problem persists, please call us.
Product Knowledge
Today's heating and cooling equipment offer advanced technology and systems to dramatically improve energy efficiency and the comfort level of your home. Please click on the equipment's image below to view how we can use these latest systems to meet your comfort and energy efficiency needs.