Common HVAC Problems To Note - House Sitters Top Tips

As a house sitter, it is your duty to take care of the house. It’s good to be aware of common HVAC problems because unfortunately, heating, ventilation, and air conditioning (HVAC) systems can break down without warning. Read on to learn more about the most frequently occurring issues experienced in domestic HVAC units.

House Sitters Top Tips – Common HVAC Problems To Be Aware Of

HVAC unit in a bedroom with twin beds — Many homes experience common HVAC problems so it is good to understand their cause and solutions

Photo by Rachel Claire

By learning how to spot HVAC problems, you can prevent complications and figure out an effective way to fix the issue.

Understanding Basic HVAC Components

Before you can work on HVAC troubleshooting, you first need to understand the basic components of the HVAC system. Each component must be working properly or the system won’t run.

Thermostat

The thermostat plays an important role in regulating your home’s temperature. It has a sensor that detects when the air temperature is out of range. Then, the thermostat signals the HVAC system to kick on.

Incorrect thermostat settings are one of the more common HVAC problems. For example, turning on fan mode will cause your AC to circulate air without cooling it. If there’s a problem, try checking the temperature settings or resetting the thermostat.

Homeowners often call Tyler’s AC Contractor for help with thermostat calibration and system diagnostics. Professional guidance on thermostat use and system settings keeps your HVAC running efficiently and helps prevent avoidable service calls.

Air Filters

Clean air filters remove contaminants from the air and ensure proper airflow. If the filter is dirty, it can increase the odds of the evaporator coil freezing. One of the most important house-sitting tips is to change the air filter as frequently as the manufacturer’s guide recommends. Normally, this is every 30 to 90 days.

Use the following tips to replace the air filter.

Turn off the HVAC system.
Find the air filter. It’s normally near the air supply, furnace, or air handler.
Remove the cover if you need to. Then, take out the old filter.
Put the new filter inside and replace the cover.
Turn the HVAC system back on.

Outdoor Unit

Photo courtesy of ‘ready made’

The outdoor unit is also called the condenser unit. It contains the compressor, fan, refrigerant, and condenser coil. Being outside it is exposed to the weather and external rubbish and so might experience common HVAC problems.

What to do

You should remove any debris within 2 to 3 feet of the outdoor unit. Otherwise, this debris can clog the unit. Because the debris holds moisture, it can cause mold, mildew, and rust.

Contact a reputable firm like Walnut Creek HVAC Contractors to help you manage the situation.

Common HVAC Problems House Sitters Might Encounter

As a house sitter, there are a few HVAC problems you are more likely to face.

Inadequate Cooling

One of the most common air conditioning issues is inadequate cooling. This typically happens because of low refrigerant levels or dirty filters. You’ll know if this is the problem because there will be reduced airflow or warm air blowing out of your AC.

Strange Noises

Sometimes, your AC will make weird noises. These can indicate major problems, so you should never ignore them. Here are some of the most common noises you might hear.

Banging: Banging noises can happen when there’s a compressor issue, like a loose part.
Buzzing: This kind of noise often means a weak capacitor or a compressor malfunction.
Clicking: A single clicking noise may occur when the AC switches on. It could also indicate a malfunctioning thermostat or compressor.
Grinding: This generally means a compressor problem.
Hissing: Hissing noises may indicate a refrigerant leak.
Screaming: Often, screaming sounds indicate high internal pressure or a refrigerant leak.

Poor Airflow

Poor airflow can occur if there are blocked vents or duct issues. You should check each room to make sure nothing is over the vents. Notice if any vents lack cold or hot air because this may mean some of the air is escaping through a duct leak.

Frequent Cycling

When the HVAC system turns on and off too frequently, it may mean you have an oversized air conditioner, electrical problems, a clogged air filter, or low refrigerant.

Frequent cycling can also occur on really hot days because the AC works harder to keep up. This frequent cycling can increase wear and tear on the HVAC system and reduce its energy efficiency.

Basic Troubleshooting Steps

A few HVAC maintenance tips can help you prevent and fix any problems. However, it’s important to exercise caution when doing DIY HVAC troubleshooting because many components are dangerous to handle.

Checking the Thermostat: Make sure the thermostat is at the right temperature. Replace the batteries as needed.
Replacing Air Filters: Use the steps mentioned earlier to replace the air filter every 30 to 90 days.
Clearing Vents and Registers: Vents and registers should not be blocked by furniture. The vents should periodically be removed, washed with soapy water, and dried. Before replacing them, vacuum the duct.

When to Call for Professional Help

Many common HVAC problems need to be addressed by a professional technician. For example, capacitors store energy, so a bad capacitor can cause an electric shock if you try to fix it. If you encounter any of the following issues, you should call an HVAC technician for help.

Persistent Problems: If a problem keeps happening after you’ve tried fixing it, you need professional help. For example, house sitters will sometimes flip a breaker switch after the breaker trips. If the breaker keeps getting tripped, there may be faulty electrical wiring that needs to be repaired.
Strange Odors or Leaks: Sweet smells could indicate refrigerant. Meanwhile, burning scents often mean a worn-out fan belt, overheating, or electrical problems. Leaks are also a concern because they signify water damage or refrigerant issues.

It’s important to contact professional services if you’re experiencing any of these common HVAC problems and find you are unable to solve them. Before the homeowner leaves, get the contact information for their preferred HVAC service company. Then, you can schedule an emergency AC repair if you run into problems.

Learn How to Prevent These Common HVAC Problems From Happening

By using these tips, you can handle common HVAC problems so the don’t cause serious problems while you’re house-sitting. Proper maintenance can also prevent future problems, which is important if you’ll be house-sitting for an extended period of time.

If a problem does occur, getting emergency AC repair can help you quickly diagnose and fix the issue.