Frequently Asked Questions

Have questions about HVAC repairs, system replacement, indoor air quality, comfort diagnostics, or whole-home upgrades? Dickerson Services helps homeowners in Guntersville, Arab, Albertville, Huntsville, and surrounding areas understand what is happening inside their homes and what solutions make the most sense. Browse answers to common questions below, or book a visit if you need help with a specific comfort or air quality concern.

  • Why is my AC running but not cooling?

    If your AC is running but not cooling in Arab, AL, Huntsville, AL, or Albertville, AL, it’s usually due to issues like incorrect thermostat settings, a dirty air filter, blocked outdoor unit, low refrigerant from a leak, or a failing component; a professional diagnostic can quickly pinpoint the cause and prevent expensive damage.

  • Why is my furnace blowing cold air?

    If your furnace is blowing cold air in Arab, AL, Huntsville, AL, or Albertville, AL, it’s often caused by something like the thermostat being set incorrectly, a dirty air filter restricting airflow, an overheated system that shut the burners off for safety, or a problem with the ignition or gas supply, so it’s important to have a professional check it before it causes further damage or leaves you without heat.

  • Why is my heater running but no heat?

    If your heater is running but not producing heat in Arab, AL, Huntsville, AL, or Albertville, AL, common causes include incorrect thermostat settings, a tripped breaker, a dirty filter restricting airflow, or a failed ignition or heating element; you should check the thermostat and filter first, then have a professional inspect the system if it still doesn’t warm up.

  • How to fix temperature difference between upstairs and downstairs?

    If you notice a big temperature difference between upstairs and downstairs in Arab, AL, Huntsville, AL, or Albertville, AL, it’s usually due to airflow and duct issues, insulation problems, or a system that isn’t properly balanced for the home. Simple fixes can include adjusting dampers and vents, using the fan setting correctly, and sealing obvious leaks, but a professional can measure airflow, check duct design, and recommend balancing, zoning, or other targeted improvements to even out the comfort.

  • What is a major repair in HVAC?

    In Arab, AL, Huntsville, AL, or Albertville, AL, a major HVAC repair typically means work that involves critical components like the compressor, heat exchanger, blower motor, refrigerant lines, or control boards, often costing significantly more and taking longer than routine fixes. These repairs usually require specialized parts, advanced diagnostics, and careful safety checks, which is why many homeowners weigh them against the age and condition of the system to decide whether to repair or replace.

  • What is the most common HVAC repair?

    In Arab, AL, Huntsville, AL, or Albertville, AL, one of the most common HVAC repairs is replacing failed electrical components like capacitors or contactors that keep your system from starting or running correctly; clogged filters and dirty coils are also frequent issues that restrict airflow and reduce performance, which is why regular maintenance can prevent many of these breakdowns.

  • How long does it take to fix an HVAC system?

    How long it takes to fix an HVAC system in Arab, AL, Huntsville, AL, or Albertville, AL, depends on the problem and parts availability, but many common repairs are done the same day, while larger issues that need special-order parts or major components can take a day or two to complete.

  • How much does heater repair cost?

    In Arab, AL, Huntsville, AL, or Albertville, AL, heater repair costs can range from a simple service call for minor issues to higher prices for parts like motors or ignition components, so the best way to know is to have a technician diagnose the problem and provide an upfront estimate.

  • How much does it cost to fix a heating system in a house?

    The cost to fix a home heating system in Arab, AL, Huntsville, AL, or Albertville, AL, depends on what’s wrong, the type of system you have, and whether any major parts need to be replaced, which is why a professional inspection and written quote is the most accurate way to budget.

  • How to fix a heater that blows cold air?

    If your heater is blowing cold air in Arab, AL, Huntsville, AL, or Albertville, AL, you can start by checking the thermostat settings, changing a dirty filter, and making sure the system hasn’t tripped a breaker, but if it still blows cold, it’s time for a professional to diagnose the furnace or heat pump.

  • How to fix your heater at home?

    For basic heater issues in Arab, AL, Huntsville, AL, or Albertville, AL, homeowners can safely check the thermostat, replace the air filter, confirm breakers are on, and make sure vents are open, but anything involving gas, electrical components, or internal parts should be left to a licensed technician.

  • How do you fix a heater that won’t heat?

    If your heater won’t heat in Arab, AL, Huntsville, AL, or Albertville, AL, first verify the thermostat is set to “Heat,” the temperature is set above room temperature, and the breaker and switch near the unit are on, then call a professional if it still won’t start or shuts off quickly.

  • How do I reset my HVAC system?

    To reset your HVAC system in Arab, AL, Huntsville, AL, or Albertville, AL, turn the thermostat off, switch the system’s breaker off for a few minutes, then turn the breaker back on and restore power at the thermostat, but if it keeps tripping or won’t restart, you should have a technician check for an underlying problem.

  • How do I reset my AC unit?

    To reset your AC unit in Arab, AL, Huntsville, AL, or Albertville, AL, turn the thermostat off, switch the breaker for the AC off for a few minutes, then turn the breaker and thermostat back on, and call a technician if it still won’t start or cool properly.

  • How to reset AC not cooling?

    If your AC is not cooling in Arab, AL, Huntsville, AL, or Albertville, AL, you can try resetting it by turning the thermostat to “Off,” switching the outdoor unit’s breaker off for a few minutes, then turning everything back on and giving it time to run; if it still doesn’t cool, it needs professional diagnosis.

  • How do I reset a house heater?

    To reset a house heater in Arab, AL, Huntsville, AL, or Albertville, AL, set the thermostat to “Off,” turn the furnace switch and breaker off for a few minutes, then turn the breaker and switch back on and set the thermostat to “Heat,” and call a pro if it keeps shutting down or blowing cold.

  • How to diagnose what’s wrong with my AC?

    To diagnose what’s wrong with your AC in Arab, AL, Huntsville, AL, or Albertville, AL, start by checking the thermostat settings, air filter, breakers, and outdoor unit for obvious issues like ice or debris, then have a technician test refrigerant levels, electrical components, and airflow if the problem isn’t obvious.

  • How do I diagnose my HVAC system?

    When diagnosing an HVAC system in Arab, AL, Huntsville, AL, or Albertville, AL, homeowners can safely check filters, thermostat settings, vents, and breakers, but a full diagnosis usually requires professional tools to measure pressures, temperatures, and electrical readings.

  • How to troubleshoot a HVAC system?

    To troubleshoot an HVAC system in Arab, AL, Huntsville, AL, or Albertville, AL, begin with simple steps like confirming power, checking the thermostat mode and setpoint, replacing a dirty filter, and making sure vents are open, then schedule a professional visit if it still doesn’t run or can’t keep the home comfortable.

  • Can I fix my heater myself?

    You can fix some simple heater issues yourself in Arab, AL, Huntsville, AL, or Albertville, AL, by checking the thermostat, replacing the air filter, confirming breakers and switches are on, and making sure vents are open, but anything involving gas, wiring, or internal components should be left to a licensed professional for safety.

  • How much does it cost to replace a furnace inducer?

    In Arab, AL, Huntsville, AL, or Albertville, AL, the cost to replace a furnace inducer motor depends on the furnace model, part availability, and how difficult it is to access and install, so we start with a diagnostic, then give you clear, all-in pricing before any repair work.

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