Lots of things can cause your blower to have trouble, especially if it gets too dirty. A fan clogged by dirt, a stuck wheel, broken motor, or a loose fan belt are all common problems that reduce the amount of airflow you feel coming from your vents.
Clogged or dirty air filters can restrict airflow and reduce your AC system's efficiency. Locate the air filters in your system and inspect them. If they're dirty or clogged, replace them with new ones. Solution: Check your air filter.
Common causes of airflow problems include dirty air filters, blocked vents, and debris in the air ducts. If you suspect that your airflow is being restricted, it's essential to identify the cause and take action to resolve it. One simple fix for this issue is to replace your air filters.
Common issues like leaks, disconnections, or obstructions within the ducts disrupt the flow of cooled air, causing rooms farther from the HVAC unit to suffer the most. In some cases, inadequate insulation of ducts can allow heat to infiltrate, further exacerbating the problem.
Check your vents to see if they are not obstructed in any way. Remove any furniture or drapes blocking the airflow. While you are checking all the vents in your home, take a piece of cloth to clean the dust off the vents' grills. Fix any leaks and holes in your HVAC ductwork.
There are several reasons your vents are not putting out the amount of air they should. These include: Dirty or clogged air filters. Blockage in the vents.
There are several reasons why a blower may stop working, including a clog, a stuck wheel, or a loose fan belt. The good news is that these problems are common and can be fixed. However, you will have to hire a professional to fix them.
There are many reasons your AC might not be cooling your home properly. The solution could be as easy as flipping a switch on your thermostat, cleaning a dirty air filter, or clearing debris away from your outdoor unit. There are also more complex problems that may need the help of a professional.
Installing a new heating and air conditioner blower motor could cost around $150 to $250, with most of that coming from labor costs. HVAC technicians usually go for around $75 to $125 per hour. A blower motor replacement might take anywhere from one-and-a-half to two-and-a-half hours.
Check system (suction and discharge) pressures. Lower-than-normal pressure readings may indicate a dirty coil. Then check the airflow. This should be a routine part of the annual check-up anyway, and will give you a good idea if dirt is reducing the airflow through the evaporator coil.
To resolve weak airflow issues, it is recommended to: check and replace air filters regularly. clear any obstructions near vents or registers. inspect and maintain the blower motor.
How Often Do I Need to Change Out My Air Filter? Generally, most air filter manufacturers and HVAC companies recommend changing your air filter every 90 days, or 3 months. That can change based on where your home is located (ex. dusty, dry climates), if you have any pets, and the age of your system and equipment.
Most ACs nowadays come shipped from the manufacturer with the exact amount of refrigerant that it will need for the duration of its life. So, unlike a car, your AC won't ever need to “fill up” on refrigerant unless something goes wrong with the system.
Find the blower motor, check for excessive dirt and clean it with a rag. If that doesn't d the airflow, the AC blower might be broken, which means you need to contact a professional. Next, you should check your evaporator coil. As you may know, the evaporator coil is responsible for creating cool air.
Obstructed Vent
One of the most common causes for poor airflow is a blocked vent. To properly heat or cool your home, the air needs to be unobstructed. To see if there are any blocked vents, look by the baseboards or on the ceiling. Furniture, bedding, and the vent damper could all be possible obstacles to the vent.
The most common problems that cause a lack of airflow include frozen coils, broken fan and restricted airflow due to dirty air filters or vent obstruction. However, there are many other issues that can lead to minimal airflow, so it may be necessary to ask the professionals.