Services

The purpose of performing maintenance inspections is to find potential problems, and ensure peak efficiency which increases the life of your system & saves you money in the long run.

Motors cleaned, lubricated (if possible), inspected and tested.

  • Dirty non lubricated motors run hotter, less efficient and will fail sooner.

CAPACITORS tested:

  • Capacitors & motors work together. Without a properly functioning capacitor the motor can overheat or stop running. Usually the capacitor will slowly loose its capacity over time, therefore necessitating a periodic test to determine how much loss there has been, if any. If the loss is greater than 10% the capacitor should be replaced.

CRANKCASE HEATER tested:

  • Crankcase heaters that do not work can lead to a compressor failure.

RELAYS & CONTACTORS inspected & tested:

  • Worn contacts & loose wire connections can lead to unit, compressor and motor failure.

SAFETY CONTROLS inspected & tested:

  • Safety controls that do not function properly can cause other components to fail or create unsafe conditions. Like anything else in life, don’t assume these safety devices are working unless they are operationally checked periodically.

CONDENSER COIL inspected:

  • Dirty condenser coils raise refrigerant pressure above the normal operating range, making it harder for the compressor to pump, thereby increasing your electrical costs and wear & tear on the compressor.

EVAPORATOR COIL inspected:

  • Dirty evaporator coils decrease capacity & efficiency. Air flowing through the system first enters the air filter and then passes through the evaporator coil. Because the typical fiberglass filter is only 7% efficient, over a period of time dirt is deposited on the coil surfaces, which can lead to several problems including compressor failure.

BLOWER WHEEL inspected:

  • Dirty blower wheels reduce airflow. Reduced airflow causes longer operating time and increased cost. Again, most fiberglass filters are only 7% efficient, so the remaining 93% of dirt in the air can collect on the evaporator coil and blower wheel. This leads to several problems including compressor failure.

REFRIGERANT CHARGE checked:

  • A low or high refrigerant charge can easily go unnoticed. It will increase operating costs and lead to shorter compressor life. This is a very common problem. An evaluation of new homes by APS showed an alarming 78% were not properly charged with refrigerant. Older homes can have a more significant loss of refrigerant. Texas Power & Light found that a 23% undercharge of refrigerant could result in a 52% efficiency loss! Texas A&M University test results showed the SEER rating of a unit would decrease from 9.6 to 8 with just a 10% undercharge!

THERMOSTAT checked:

  • Malfunctioning thermostats can run equipment too long or short a time for optimum operation and comfort. You can have the best equipment in the world, but if you control it with a problematic or improperly adjusted thermostat, you will not achieve the potential efficiency and comfort the equipment is capable of

AIR FILTER:

  • A restricted air filter reduces airflow. This will waste energy and shorten the compressor’s life. The most important & easiest thing to do is replace the air filter often (once a month) and use a throwaway polyester pleat type filter. Cost is about $3. per filter (varies with size) but this type of filter is capable of holding more dirt and is about four times more efficient that the fiberglass throwaways.

CONDENSATE DRAIN inspected:

  • A condensate drain line can become plugged with debris & algae, which can cause expensive water damage.

TEMPERATURES & PRESSURES checked:

  • An accurate record & analysis of your equipment’s “vital signs” can indicate potential problems. Trustworthy Services keeps a history of your equipment.

UNIT DISCONNECT inspected:

  • An overheated disconnect can fail prematurely.

UNIT FUSES inspected:

  • Old or overheated fuses can fail and shut down your equipment.

UNIT WIRING inspected and loose connections tightened:

  • Loose connections can easily lead to equipment outages.

Motors cleaned, lubricated (if possible), inspected and tested.

  • Dirty non lubricated motors run hotter, less efficient and will fail sooner.

CAPACITORS tested:

  • Capacitors & motors work together. Without a properly functioning capacitor the motor can overheat or stop running. Usually the capacitor will slowly loose its capacity over time, therefore necessitating a periodic test to determine how much loss there has been, if any. If the loss is greater than 10% the capacitor should be replaced.

CRANKCASE HEATER tested:

  • Crankcase heaters that do not work can lead to a compressor failure.

RELAYS & CONTACTORS inspected & tested:

  • Worn contacts & loose wire connections can lead to unit, compressor and motor failure.

SAFETY CONTROLS inspected & tested:

  • Safety controls that do not function properly can cause other components to fail or create unsafe conditions. Like anything else in life, don’t assume these safety devices are working unless they are operationally checked periodically.

CONDENSER COIL inspected:

  • Dirty condenser coils raise refrigerant pressure above the normal operating range, making it harder for the compressor to pump, thereby increasing your electrical costs and wear & tear on the compressor.

EVAPORATOR COIL inspected:

  • Dirty evaporator coils decrease capacity & efficiency. Air flowing through the system first enters the air filter and then passes through the evaporator coil. Because the typical fiberglass filter is only 7% efficient, over a period of time dirt is deposited on the coil surfaces, which can lead to several problems including compressor failure.

BLOWER WHEEL inspected:

  • Dirty blower wheels reduce airflow. Reduced airflow causes longer operating time and increased cost. Again, most fiberglass filters are only 7% efficient, so the remaining 93% of dirt in the air can collect on the evaporator coil and blower wheel. This leads to several problems including compressor failure.

REFRIGERANT CHARGE checked:

  • A low or high refrigerant charge can easily go unnoticed. It will increase operating costs and lead to shorter compressor life. This is a very common problem. An evaluation of new homes by APS showed an alarming 78% were not properly charged with refrigerant. Older homes can have a more significant loss of refrigerant. Texas Power & Light found that a 23% undercharge of refrigerant could result in a 52% efficiency loss! Texas A&M University test results showed the SEER rating of a unit would decrease from 9.6 to 8 with just a 10% undercharge!

THERMOSTAT checked:

  • Malfunctioning thermostats can run equipment too long or short a time for optimum operation and comfort. You can have the best equipment in the world, but if you control it with a problematic or improperly adjusted thermostat, you will not achieve the potential efficiency and comfort the equipment is capable of.

AIR FILTER:

  • A restricted air filter reduces airflow. This will waste energy and shorten the compressor’s life. The most important & easiest thing to do is replace the air filter often (once a month) and use a throwaway polyester pleat type filter. Cost is about $3. per filter (varies with size) but this type of filter is capable of holding more dirt and is about four times more efficient that the fiberglass throwaways.

CONDENSATE DRAIN inspected:

  • A condensate drain line can become plugged with debris & algae, which can cause expensive water damage.

TEMPERATURES & PRESSURES checked:

  • An accurate record & analysis of your equipment’s “vital signs” can indicate potential problems. Trustworthy Services keeps a history of your equipment.

UNIT DISCONNECT inspected:

  • An overheated disconnect can fail prematurely.

UNIT FUSES inspected:

  • Old or overheated fuses can fail and shut down your equipment.

UNIT WIRING inspected and loose connections tightened:

  • Loose connections can easily lead to equipment outages.

DEFROST TIMER checked:

  • A defrost timer that does not work properly can cause several problems that effect performance and equipment life.

REVERSING VALVE operationally checked:

  • A reversing valve that does not operate properly can cause a loss of capacity and waste energy.

HEAT EXCHANGER inspected for cracks and deterioration:

  • Heat exchangers can develop cracks with age or improper fan speeds. If they exist, there is a risk of serious illness from carbon monoxide fumes. Carbon monoxide kills almost 200 people a year.

BURNERS cleaned:

  • Dirty burners can cause poor combustion, which reduces efficiency and can be a safety hazard.

THERMOCOUPLE replaced:

  • The thermocouple is a safety device and can cause the furnace to shut down unexpectedly. We won’t take a chance with your comfort & safety. It is replaced before it causes a problem. Newer furnaces have flame sensors instead of thermocouples and require periodic cleaning.

ELECTRONIC IGNITION CONTROLS tested & cleaned:

  • Most of the newer furnaces have electronic ignition controls that are responsible for lighting the burners, sensing a flame is present and provide safety shutdown if conditions require.

FAN SWITCH checked and adjusted as needed:

  • A fan switch that is not properly adjusted can waste energy or cause nuisance fan cycling. PILOT cleaned and adjusted as necessary. Weak or dirty pilots can easily be extinguished causing the furnace to shut down.

SAFETY CONTROLS operationally checked:

  • Safety controls that do not operate can cause dangerous problems.

BLOWER WHEEL inspected:

  • Dirty blower wheels reduce airflow, causing longer operating time and increased cost.

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GAS LINE checked for leaks from the furnace shut off valve to the burners:

  • Undetected gas leaks are dangerous.

COMBUSTION AIR openings checked:

  • Blocked or restricted combustion air openings can be dangerous.

FLUE PIPE inspected:

  • Flue pipe corrosion or leaks are dangerous.

MOTORS cleaned, lubricated (if possible), inspected and tested:

  • Dirty non lubricated motors run hotter, less efficient and will fail sooner.

BLOWER MOTOR SPEED checked for proper speed setting:

  • Indoor blower speed will be checked to assure proper airflow. A furnace with inadequate airflow (too low a speed setting) can cause premature failure of the heat exchanger and create unsafe conditions in your home.

CAPACITORS tested:

  • Capacitors work together with motors and without a properly functioning capacitor the motor can stop running, run hot or fail. Most of the time a capacitor will slowly loose its capacity over time and therefor a test is performed to determine how much loss there is, if any.

THERMOSTAT checked:

  • Malfunctioning thermostats can run equipment too long or short a time for optimum operation and comfort. You can have the best equipment in the world, but if you control it with a “standard” thermostat, you will not achieve the potential efficiency and comfort the equipment is capable of.

AIR FILTER:

  • A restricted air filter can restrict the airflow enough to cause the heat exchanger to overheat.