Frequently Asked Questions - Heating, Cooling, Electrical

Brown Service Company has compiled a list of some of the most commonly asked questions our technicians get about heating, cooling, air ducts, and more. Select from the set of popular questions or browse an entire category.

Don’t see your question listed? Contact us today at 817-284-9204.

 

Air Conditioning FAQs

Understanding how your air conditioner works will help you know when to call an air conditioner repair man. All air conditioners use heat transference to move energy. AC units circulate pressurized chemical refrigerant through a sealed system of tubes and chambers. One side of the system is high- pressure, and the other is low-pressure. As refrigerant passes through the low-pressure chamber (the evaporator), liquid refrigerant changes into a vapor in a process that takes heat energy out of the ambient air. The vapor carries the energy to the high-pressure chamber (the condenser). As the vapor changes back into liquid inside the condenser, the stored energy is released. A compressor pump moves the refrigerant, and a calibrated restriction in the lines maintains the pressure differential. Fans circulate air across both chambers to facilitate the heat transfer.If you have any questions or just want to learn more, ask one of our experts for a more details about the components of an air conditioner.

A frozen AC unit indicates a problem. There are some common reasons for air conditioners to freeze up, but the best way to identify the issue is through a troubleshooting procedure. Freezing often occurs on older units that have been improperly maintained. Restricted airflow over the internal components, caused by dust buildup and clogged filters, can prevent an AC unit from absorbing heat efficiently. Condensation trapped along the internal components can freeze to the unit. Leaking refrigerant lines or internal damage to the working mechanical components can create pressure zones that lead to freezing conditions. While it may be possible to simply flush or clean the system to restore functionality, you should always call a qualified HVAC expert for a professional air conditioning diagnostic service before you attempt to diagnose or solve the problem on your own.

As a homeowner, you should routinely perform basic home air conditioner maintenance to ensure that your unit is functioning safely and efficiently. Before you inspect your AC, isolate the power by switching off the breaker.Examine the mechanical and electrical components for potential problems, and take note of any loose wires, corroded contacts, signs of vermin or other red flags. Clean up any noticeable dust and change dirty or clogged filters. Next, listen to your AC unit run. A properly working unit will hum with a consistent tone. If you hear unusual mechanical noises, you’ll probably need to repair or replace your AC.Finally,test your thermostat and check the temperature of the air coming out of your vents.

Once you get to know your AC unit, you’ll be able to identify and address potential problems early.If you suspect that you need a repair – or a new unit – call a professional HVAC technician for help.

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Air Duct FAQs

Understanding how your air conditioner works will help you know when to call an air conditioner repair man. All air conditioners use heat transference to move energy. AC units circulate pressurized chemical refrigerant through a sealed system of tubes and chambers. One side of the system is high- pressure, and the other is low-pressure. As refrigerant passes through the low-pressure chamber (the evaporator), liquid refrigerant changes into a vapor in a process that takes heat energy out of the ambient air. The vapor carries the energy to the high-pressure chamber (the condenser). As the vapor changes back into liquid inside the condenser, the stored energy is released. A compressor pump moves the refrigerant, and a calibrated restriction in the lines maintains the pressure differential. Fans circulate air across both chambers to facilitate the heat transfer.If you have any questions or just want to learn more, ask one of our experts for a more details about the components of an air conditioner.

A frozen AC unit indicates a problem. There are some common reasons for air conditioners to freeze up, but the best way to identify the issue is through a troubleshooting procedure. Freezing often occurs on older units that have been improperly maintained. Restricted airflow over the internal components, caused by dust buildup and clogged filters, can prevent an AC unit from absorbing heat efficiently. Condensation trapped along the internal components can freeze to the unit. Leaking refrigerant lines or internal damage to the working mechanical components can create pressure zones that lead to freezing conditions. While it may be possible to simply flush or clean the system to restore functionality, you should always call a qualified HVAC expert for a professional air conditioning diagnostic service before you attempt to diagnose or solve the problem on your own.

As a homeowner, you should routinely perform basic home air conditioner maintenance to ensure that your unit is functioning safely and efficiently. Before you inspect your AC, isolate the power by switching off the breaker.Examine the mechanical and electrical components for potential problems, and take note of any loose wires, corroded contacts, signs of vermin or other red flags. Clean up any noticeable dust and change dirty or clogged filters. Next, listen to your AC unit run. A properly working unit will hum with a consistent tone. If you hear unusual mechanical noises, you’ll probably need to repair or replace your AC.Finally,test your thermostat and check the temperature of the air coming out of your vents.

Once you get to know your AC unit, you’ll be able to identify and address potential problems early.If you suspect that you need a repair – or a new unit – call a professional HVAC technician for help.

Load More

Electrical FAQs

Understanding how your air conditioner works will help you know when to call an air conditioner repair man. All air conditioners use heat transference to move energy. AC units circulate pressurized chemical refrigerant through a sealed system of tubes and chambers. One side of the system is high- pressure, and the other is low-pressure. As refrigerant passes through the low-pressure chamber (the evaporator), liquid refrigerant changes into a vapor in a process that takes heat energy out of the ambient air. The vapor carries the energy to the high-pressure chamber (the condenser). As the vapor changes back into liquid inside the condenser, the stored energy is released. A compressor pump moves the refrigerant, and a calibrated restriction in the lines maintains the pressure differential. Fans circulate air across both chambers to facilitate the heat transfer.If you have any questions or just want to learn more, ask one of our experts for a more details about the components of an air conditioner.

A frozen AC unit indicates a problem. There are some common reasons for air conditioners to freeze up, but the best way to identify the issue is through a troubleshooting procedure. Freezing often occurs on older units that have been improperly maintained. Restricted airflow over the internal components, caused by dust buildup and clogged filters, can prevent an AC unit from absorbing heat efficiently. Condensation trapped along the internal components can freeze to the unit. Leaking refrigerant lines or internal damage to the working mechanical components can create pressure zones that lead to freezing conditions. While it may be possible to simply flush or clean the system to restore functionality, you should always call a qualified HVAC expert for a professional air conditioning diagnostic service before you attempt to diagnose or solve the problem on your own.

As a homeowner, you should routinely perform basic home air conditioner maintenance to ensure that your unit is functioning safely and efficiently. Before you inspect your AC, isolate the power by switching off the breaker.Examine the mechanical and electrical components for potential problems, and take note of any loose wires, corroded contacts, signs of vermin or other red flags. Clean up any noticeable dust and change dirty or clogged filters. Next, listen to your AC unit run. A properly working unit will hum with a consistent tone. If you hear unusual mechanical noises, you’ll probably need to repair or replace your AC.Finally,test your thermostat and check the temperature of the air coming out of your vents.

Once you get to know your AC unit, you’ll be able to identify and address potential problems early.If you suspect that you need a repair – or a new unit – call a professional HVAC technician for help.

Load More

HVAC System FAQs

Understanding how your air conditioner works will help you know when to call an air conditioner repair man. All air conditioners use heat transference to move energy. AC units circulate pressurized chemical refrigerant through a sealed system of tubes and chambers. One side of the system is high- pressure, and the other is low-pressure. As refrigerant passes through the low-pressure chamber (the evaporator), liquid refrigerant changes into a vapor in a process that takes heat energy out of the ambient air. The vapor carries the energy to the high-pressure chamber (the condenser). As the vapor changes back into liquid inside the condenser, the stored energy is released. A compressor pump moves the refrigerant, and a calibrated restriction in the lines maintains the pressure differential. Fans circulate air across both chambers to facilitate the heat transfer.If you have any questions or just want to learn more, ask one of our experts for a more details about the components of an air conditioner.

A frozen AC unit indicates a problem. There are some common reasons for air conditioners to freeze up, but the best way to identify the issue is through a troubleshooting procedure. Freezing often occurs on older units that have been improperly maintained. Restricted airflow over the internal components, caused by dust buildup and clogged filters, can prevent an AC unit from absorbing heat efficiently. Condensation trapped along the internal components can freeze to the unit. Leaking refrigerant lines or internal damage to the working mechanical components can create pressure zones that lead to freezing conditions. While it may be possible to simply flush or clean the system to restore functionality, you should always call a qualified HVAC expert for a professional air conditioning diagnostic service before you attempt to diagnose or solve the problem on your own.

As a homeowner, you should routinely perform basic home air conditioner maintenance to ensure that your unit is functioning safely and efficiently. Before you inspect your AC, isolate the power by switching off the breaker.Examine the mechanical and electrical components for potential problems, and take note of any loose wires, corroded contacts, signs of vermin or other red flags. Clean up any noticeable dust and change dirty or clogged filters. Next, listen to your AC unit run. A properly working unit will hum with a consistent tone. If you hear unusual mechanical noises, you’ll probably need to repair or replace your AC.Finally,test your thermostat and check the temperature of the air coming out of your vents.

Once you get to know your AC unit, you’ll be able to identify and address potential problems early.If you suspect that you need a repair – or a new unit – call a professional HVAC technician for help.

Load More

Insulation FAQs

Understanding how your air conditioner works will help you know when to call an air conditioner repair man. All air conditioners use heat transference to move energy. AC units circulate pressurized chemical refrigerant through a sealed system of tubes and chambers. One side of the system is high- pressure, and the other is low-pressure. As refrigerant passes through the low-pressure chamber (the evaporator), liquid refrigerant changes into a vapor in a process that takes heat energy out of the ambient air. The vapor carries the energy to the high-pressure chamber (the condenser). As the vapor changes back into liquid inside the condenser, the stored energy is released. A compressor pump moves the refrigerant, and a calibrated restriction in the lines maintains the pressure differential. Fans circulate air across both chambers to facilitate the heat transfer.If you have any questions or just want to learn more, ask one of our experts for a more details about the components of an air conditioner.

A frozen AC unit indicates a problem. There are some common reasons for air conditioners to freeze up, but the best way to identify the issue is through a troubleshooting procedure. Freezing often occurs on older units that have been improperly maintained. Restricted airflow over the internal components, caused by dust buildup and clogged filters, can prevent an AC unit from absorbing heat efficiently. Condensation trapped along the internal components can freeze to the unit. Leaking refrigerant lines or internal damage to the working mechanical components can create pressure zones that lead to freezing conditions. While it may be possible to simply flush or clean the system to restore functionality, you should always call a qualified HVAC expert for a professional air conditioning diagnostic service before you attempt to diagnose or solve the problem on your own.

As a homeowner, you should routinely perform basic home air conditioner maintenance to ensure that your unit is functioning safely and efficiently. Before you inspect your AC, isolate the power by switching off the breaker.Examine the mechanical and electrical components for potential problems, and take note of any loose wires, corroded contacts, signs of vermin or other red flags. Clean up any noticeable dust and change dirty or clogged filters. Next, listen to your AC unit run. A properly working unit will hum with a consistent tone. If you hear unusual mechanical noises, you’ll probably need to repair or replace your AC.Finally,test your thermostat and check the temperature of the air coming out of your vents.

Once you get to know your AC unit, you’ll be able to identify and address potential problems early.If you suspect that you need a repair – or a new unit – call a professional HVAC technician for help.

Load More

Thermostat FAQs

Understanding how your air conditioner works will help you know when to call an air conditioner repair man. All air conditioners use heat transference to move energy. AC units circulate pressurized chemical refrigerant through a sealed system of tubes and chambers. One side of the system is high- pressure, and the other is low-pressure. As refrigerant passes through the low-pressure chamber (the evaporator), liquid refrigerant changes into a vapor in a process that takes heat energy out of the ambient air. The vapor carries the energy to the high-pressure chamber (the condenser). As the vapor changes back into liquid inside the condenser, the stored energy is released. A compressor pump moves the refrigerant, and a calibrated restriction in the lines maintains the pressure differential. Fans circulate air across both chambers to facilitate the heat transfer.If you have any questions or just want to learn more, ask one of our experts for a more details about the components of an air conditioner.

A frozen AC unit indicates a problem. There are some common reasons for air conditioners to freeze up, but the best way to identify the issue is through a troubleshooting procedure. Freezing often occurs on older units that have been improperly maintained. Restricted airflow over the internal components, caused by dust buildup and clogged filters, can prevent an AC unit from absorbing heat efficiently. Condensation trapped along the internal components can freeze to the unit. Leaking refrigerant lines or internal damage to the working mechanical components can create pressure zones that lead to freezing conditions. While it may be possible to simply flush or clean the system to restore functionality, you should always call a qualified HVAC expert for a professional air conditioning diagnostic service before you attempt to diagnose or solve the problem on your own.

As a homeowner, you should routinely perform basic home air conditioner maintenance to ensure that your unit is functioning safely and efficiently. Before you inspect your AC, isolate the power by switching off the breaker.Examine the mechanical and electrical components for potential problems, and take note of any loose wires, corroded contacts, signs of vermin or other red flags. Clean up any noticeable dust and change dirty or clogged filters. Next, listen to your AC unit run. A properly working unit will hum with a consistent tone. If you hear unusual mechanical noises, you’ll probably need to repair or replace your AC.Finally,test your thermostat and check the temperature of the air coming out of your vents.

Once you get to know your AC unit, you’ll be able to identify and address potential problems early.If you suspect that you need a repair – or a new unit – call a professional HVAC technician for help.

Load More

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To make an appointment to see our HVAC parts showroom call, 817-284-9204.

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