Why Your HVAC System Isn’t Working As Well As It Should

Your HVAC system sends temperature-regulated air through ductwork into different areas of your home. The blower in an all-electric HVAC unit runs on propane, oil, or natural gas as fuel to heat the furnace.

Vents (or registers) are found in the ceiling or on the floor of each room. If possible keep them open to ensure air is flowing properly throughout your home.


A thermostat is one of the most vital components of your HVAC system. It regulates the temperature in your home by turning on and off the fan and compressor until they reach a set temperature. It also turns on the air exchanger to pull fresh, outside air into your home, while exchanging stale indoor air out through your ductwork.

Most thermostats are digital, although some older models still exist. Digital thermostats are controlled by the thermostat. The device is made of metals that change resistance as temperatures change. The thermistor is connected to a control unit, converts the resistance change into a temperature. Thermostats come in a range of models including programmable and intelligent thermostats that let you monitor your home’s energy consumption and adjust it accordingly.

Thermostats are installed on the walls of your home, usually in rooms where they are used the most. The position of your thermostat could affect its accuracy. A thermostat located in direct sunlight, for example, may show an upper temperature than the actual temperature of the room. This can cause your system to run more or less. If your thermostat isn’t working correctly, try resetting the device. If this doesn’t solve the problem, call an AC technician.

You should consider a programmable thermostat if you are replacing your existing thermostat. You’ll reduce your energy costs. A thermostat that can be programmed will automatically adjust the temperature of your home to suit your needs, rather than having you manually adjust your HVAC system on a daily basis. It’s also worth a look to see if you can find an alternative that will provide you with even greater savings on energy, like an energy-efficient or ENERGY A STAR-certified thermostat.


Condensers are typically the culprit when your air conditioner isn’t working in the way it should. The condenser consists of several components that work together to function. If any of these components become damaged or wear out, then the entire system could be affected. Condenser issues can include a damaged control board for the condenser, or leaks of refrigerant.

The compressor moves the refrigerant into the condenser, where a fan blows cool outside air over the coils. This allows the refrigerant gas to cool and return to a liquid state. This liquid at low pressure is removed and cooled before being returned to the evaporator to continue the cooling process. The process is repeated to achieve the desired temperature for your office or home.

The most important thing you can do to ensure that your condenser working effectively is to ensure that the area around it is free of any debris. Leaves, twigs, grass, and other debris can be sucked into the unit by the condenser’s fan and result in clogs that can hinder the operation of the cooling system. It’s also a good idea to keep the bushes and trees in good shape so that they don’t encroach on the unit. This will decrease the chances that berries, nuts, or branches can fall into the system and block it. Keeping your condenser free from debris can add two or three years to the lifespan of your AC system.


The evaporator is used to move warm air around your home. It is made up of a set of tubing which is shaped like a U and then formed into panels. The coils are blown by air from the blower. This draws heat from the indoor air and then transfers it to the refrigerant. The refrigerant’s liquid is converted into a gas and circulated throughout the cooling system in order to cool your indoor air.

The thermodynamics law states that heat flows from hotter to colder objects. If the evaporator operates correctly, the energy is transferred from warm air to the refrigerant that is colder. This causes the refrigerant to vaporize or boil. During this process, the latent heat (which cannot be measured with a thermometer) is transferred from air to refrigerant.

These coils have been created with specific shapes that improve heat transfer. These are also known as fins, and they expand the surface area to aid in the transfer of heat. Both aluminum and copper are used to make evaporators, each having its own advantages.

One of the most common problems with an evaporator is the accumulation of organic growth. This is usually caused by mold or mildew. If this happens, the bacteria will produce a smell that will spread throughout the house. This can cause discomfort.

To avoid these issues, it’s crucial to choose an evaporator that is easily cleaned and maintained. It is also an ideal idea to take into consideration the environment you will be working in when choosing an evaporator. Some are designed to withstand harsh conditions, while others can be used in moderate conditions. Lastly, you will want to make sure your evaporator comes with a solid warranty that will ensure your investment.


Your HVAC system’s blower motor works to circulate hot or cold air throughout your home until the temperature you set is reached. The fan can be set to auto or continuous. We suggest keeping the fan on continuous to maximize efficiency and to cut down on electricity costs. If your system’s fan keeps running, we can replace it with a new ECM blower motor that is up to 70% more efficient than old PSC motors and will pay for itself in savings over the lifetime of the unit.

If your fan is only operating at the high setting, a broken relay switch or short circuit could be blocking the settings you set on the thermostat from reaching the fan.


The filter is used to circulate the air throughout the house before it is heated or cooled. It removes impurities and keeps dust and pet dander from getting into the system and contaminating internal components. It shields the family from illness spread by airborne pathogens. It also ensures that the system functions efficiently. A dirty filter makes the system work harder and can cause it overheat or to fail.

Homeowners need to change their filters regularly. The label will inform them if they should do it every 30 days or every 90 days. A homeowner should consult a HVAC professional when they aren’t sure of the type of filter they need. A professional can assist homeowners select the best filter for their home, based on factors like climate, how often they use their system, and even personal preferences, such as whether there are allergy or smokers sufferers in the home.

The filter is located in the return air duct, or in some cases the blower compartment of the furnace. The return air duct is normally located on the ceiling, wall or floor of the storage closets. It usually has a large metal grille that protects the filters. Ideally, the filter should be easily accessible to homeowners and service technicians to facilitate cleaning and replacement.

Filters are assessed based on the MERV (Minimum Efficiency Reporting Value) rating, which indicates how efficient they are at collecting different sizes of particles. A filter with a low MERV will be able to capture larger contaminants such as dust mites or pet dander but not fine allergens or germs. High-MERV filter can capture many kinds of contaminants without affecting the normal flow of air.

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