Split System Repair

Hometown HVAC & Refrigeration provides expert split system repair in Hernando, MS for homes and small businesses. We fix common problems like low airflow, no cooling, electrical faults, and thermostat issues to restore comfort fast.

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Split System Repair in Hernando, MS

Split system repair is essential when your heating or cooling system stops working properly. At Hometown HVAC & Refrigeration, we provide professional split system repair in Hernando, MS for residential and commercial customers. We diagnose and fix issues with air handlers, condensers, refrigerant lines, thermostats, and electrical components. Common problems include no airflow, system short cycling, frozen coils, and tripped breakers. Our technicians inspect the full system to find the root cause and complete repairs using quality parts. We test the system in both heating and cooling modes to confirm it works as expected before we leave. Fast, reliable repair helps restore comfort, lower energy use, and extend the life of your split system.

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24/7 EMERGENCY HVAC SERVICES AVAILABLE

We offer 24/7 emergency HVAC in Hernando for homes and businesses that can’t wait. Call anytime to restore your comfort without delay.

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Locations We Offer Our Split System Repair Service

Hometown HVAC & Refrigeration proudly serves homeowners and businesses across Hernando and the surrounding communities, delivering reliable Split System Repair services. Check out our service area to see if you are eligible for Split System Repair service:

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Split Air Conditioner Repair

Split system repair involves diagnosing and fixing problems with either the indoor air handler or the outdoor condenser unit. At Hometown HVAC & Refrigeration, we repair all types of split system issues, including no heating or cooling, weak airflow, short cycling, and refrigerant leaks. We begin with a full system check to identify the problem and confirm the exact component that is failing. Common repairs include replacing capacitors, contactors, fan motors, control boards, and thermostats. We also check the refrigerant level and inspect the coils for dirt or ice buildup that could affect system performance. If ductwork or airflow is a concern, we inspect the return and supply paths for blockages or damage. After repairs are completed, we test the system to make sure it runs correctly in both modes.

Many split system issues stem from electrical faults or neglected maintenance. A blown fuse, tripped breaker, or faulty sensor can cause the system to shut down or blow the wrong temperature air. Our technicians use accurate tools to test voltage, check component response, and locate shorts or disconnects. If the issue involves low refrigerant, we locate the leak, repair it, and recharge the system to manufacturer specs. Some systems fail due to clogged drain lines, stuck dampers, or fan problems that limit airflow. These are all checked during service to make sure your system is safe and functional. Quick repair prevents further wear and helps avoid full system replacement. We service all major HVAC brands and use quality parts for every repair.

Split system repair is one of the most common HVAC services requested by homeowners and small business owners. At Hometown HVAC & Refrigeration, we handle repairs for all split system brands, including both straight cool and heat pump units. A split system includes an outdoor condenser and an indoor air handler, which must work together for proper performance. When one part fails, the whole system is affected. Common symptoms that require repair include no airflow, incorrect temperatures, loud noises, and high energy bills. Our team starts each repair by performing a full diagnostic check of both the indoor and outdoor units. This process helps us find the true source of the problem and complete the correct repair.

One of the most frequent issues we see is electrical failure. Components like capacitors, contactors, transformers, and relays can wear out over time or get damaged by voltage surges. When these parts fail, your system may not start or may shut off unexpectedly. We test each electrical component with professional tools to verify its condition. If anything is out of range or showing signs of failure, we replace it with a high-quality part rated for your system. We also inspect all wiring and connections for damage or loose contacts that may cause intermittent problems. Safe and accurate electrical repair prevents further issues and helps restore full function. Electrical faults are one of the top causes of system breakdown and should always be handled by trained technicians.

Another major area of split system repair involves refrigerant issues. Low refrigerant levels can cause the system to freeze, blow warm air, or run continuously without reaching the set temperature. Our technicians use precise gauges to check refrigerant pressure and compare it to factory specs. If refrigerant is low, we locate the source of the leak using approved leak detection methods. Once we identify the problem, we repair the leak, pressure test the system, and recharge it to the correct level. We also check the condition of the coils and the expansion valve to ensure refrigerant flows properly through the system. Addressing refrigerant problems early helps protect the compressor and restore cooling performance. Refrigerant-related repairs are critical to maintaining system efficiency and comfort.

Airflow issues can also cause poor split system performance. If the blower motor, fan blades, or ductwork is blocked or damaged, the system will struggle to move air through the home. During repair, we inspect the blower assembly, clean or replace dirty components, and check that all vents are delivering air evenly. We also inspect the return duct and air filter to make sure nothing is restricting airflow. Poor airflow can lead to overheating, short cycling, and high utility costs. Fixing airflow problems improves indoor comfort and helps the system run more efficiently. We also check the condensate drain for blockages that can affect indoor air quality and cause water damage. Addressing airflow during every repair ensures the system works at full capacity.

At Hometown HVAC & Refrigeration, we focus on long-term reliability with every split system repair. We do not just fix the immediate issue. We inspect the entire system and recommend any additional service that will help prevent future breakdowns. If your system is older or has recurring problems, we provide honest guidance on repair versus replacement. Every repair includes full system testing in heating and cooling mode and a detailed explanation of what was fixed. We also offer maintenance plans to help prevent future repair needs. Our goal is to keep your system running efficiently and reliably all year. With professional split system repair, you get better performance, lower bills, and longer system life.

(901) 413-8903 Book Now
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Tom Martin
Tom Martin
April 12, 2025

Excellent job by Mark and helper. Great communicator, great personality. Serviced ac units and helped with an issue I was having. Best service I have ever had.

Andrew Eaton
Andrew Eaton
February 14, 2023

Quality work, arrived at scheduled time, didn't try to sell me stuff I didn't need, 10 out of 10 would recommend!

Drew Dunn
Drew Dunn
August 27, 2021

AC had gone out middle of summer I was out of town with work and my wife and kids were here in a hot house, he came out put a brand new unit in and helped them not melt lol. great guy, great prices and most of all hometown country guy I like him!!!

View All HVAC, Refrigeration, And Plumbing Services

Hometown HVAC & Refrigeration provides expert heating, cooling, refrigeration, and plumbing services for homes and businesses in Hernando, MS. We handle installations, repairs, and maintenance for all major brands, delivering fast, reliable service with lasting results.

Fast Response Times


We respond quickly to HVAC calls across Hernando and nearby areas, especially when it can’t wait.

No Upselling


We give real recommendations, not sales pitches. If you don’t need it, we won’t sell it.

Free Estimates


Get a free, no-pressure estimate before we start any HVAC service.

Split System Repair Questions

Split system repair is important for restoring heating and cooling when one or both units stop working correctly. Fast, accurate repairs help improve efficiency, lower energy bills, and extend the life of your HVAC system.

The most common problems that require split system repair include electrical failures, refrigerant leaks, coil issues, and airflow restrictions. Electrical issues such as failed capacitors, contactors, or relays can cause the system to shut down, fail to start, or cycle irregularly. Low refrigerant levels from leaks in the coil or line set reduce cooling and may cause the system to freeze up. Dirty coils or filters restrict airflow and reduce system efficiency, causing overheating or poor temperature control. Thermostat malfunctions are also frequent, leading to inaccurate temperature readings or failure to communicate with the system. Drainage problems like clogged condensate lines can cause water leaks and even system shutdown. Each of these problems affects comfort and increases strain on the system.

A trained HVAC technician will perform a full system inspection to determine which components have failed and why. During the repair, they test refrigerant pressure, electrical current, and system airflow to pinpoint the issue. Once identified, the damaged parts are replaced or cleaned, and the system is re-tested to confirm it operates correctly. The repair may also include resetting the thermostat, clearing drain lines, or sealing refrigerant leaks.

Addressing common problems early prevents larger failures and protects system performance. Scheduling service as soon as you notice a problem helps avoid higher costs and ensures your home stays comfortable.

You can tell your split system may need repair if it is blowing warm air, making unusual noises, short cycling, or showing higher than normal energy bills. These signs often point to a problem with the blower motor, compressor, thermostat, or refrigerant level. If the system is less than 10 years old and has not had frequent issues, repair is often the most cost-effective solution. A technician can test each component and recommend which part needs to be fixed. If the system is over 12–15 years old, has frequent breakdowns, or major parts like the compressor or coil are failing, it may be time to consider replacement. Repairs may offer a temporary fix, but older systems usually lose efficiency and cost more to operate over time.

A licensed HVAC technician will provide a detailed system evaluation and explain the condition of key components. They may compare the repair cost to the replacement cost, along with estimated energy savings from a new system. If the repair is minor and the rest of the system is in good shape, the technician will proceed with the repair. If the system is outdated or uses a discontinued refrigerant, replacement may be the better long-term option.

Knowing the difference between a short-term fix and a long-term solution helps you make the best decision. A professional inspection gives you the facts needed to choose between repair and replacement.

Yes, we offer emergency HVAC service if your split system stops working and you need fast, professional help. System failure during extreme temperatures can lead to discomfort and possible health risks, especially in homes with children, elderly residents, or medical needs. Emergency HVAC service covers problems such as no airflow, no cooling, thermostat failure, electrical shorts, or refrigerant loss. When you request emergency service, a technician is dispatched to inspect the system, diagnose the issue, and perform immediate repairs when possible. We carry common replacement parts to complete most repairs on the first visit. If a full repair cannot be done right away, we provide a safe temporary fix and schedule a follow-up. Every emergency repair includes a safety check to make sure the system is safe to operate after service.

Our technicians check all major components including the thermostat, control board, contactor, capacitor, and refrigerant lines. The goal is to find the failure point quickly and restore comfort to your home or building. You will receive a clear explanation of the issue and what is needed to complete the repair. If replacement parts need to be ordered, we communicate the expected timeline and schedule the final repair visit.

Emergency HVAC repair is designed to resolve urgent problems and prevent further damage. Contact us immediately if your split system fails and you need emergency service.

If your split system is running but not cooling, the issue is often related to low refrigerant, dirty coils, airflow restrictions, or thermostat problems. Low refrigerant caused by a leak will reduce the system’s ability to absorb and release heat, which prevents it from cooling properly. Dirty indoor or outdoor coils also block heat transfer and force the system to run longer without delivering the expected results. A clogged air filter or blocked return vent can limit airflow, which lowers cooling efficiency and may cause the coil to freeze. Sometimes the thermostat is set incorrectly, has dead batteries, or fails to signal the system to cool. Electrical issues with the control board or a stuck reversing valve in heat pump systems can also cause cooling failures. A technician will inspect all components to identify the root cause of the issue. Once diagnosed, they will explain the needed repair and restore proper cooling performance.

During the service visit, the technician will measure refrigerant pressure, inspect the evaporator and condenser coils, and test airflow. If refrigerant is low, they will locate the leak, seal it, and recharge the system to the correct level. If dirt buildup is found on the coils, it will be cleaned to restore efficiency. If airflow is blocked, the technician will check the filter, blower motor, and ductwork for problems.

A system that runs without cooling wastes energy and increases utility bills. Fast repair helps prevent further damage and brings the system back to full function.

Before calling for split system repair, there are a few steps you can take to rule out simple issues. First, check the thermostat to ensure it is set to “cool” and that the temperature is set lower than the current room temperature. Replace the thermostat batteries if it has them and verify that the display is active. Next, check the air filter and replace it if it is dirty, as restricted airflow can affect system performance. Make sure the circuit breaker for the indoor and outdoor units has not tripped and that the system has power. Look outside to confirm the condenser fan is spinning and the unit is not blocked by leaves or debris. Also check for any ice on the indoor coil or refrigerant lines, which indicates a possible airflow or refrigerant issue. If all of these checks appear normal and the system still does not work, contact a licensed technician for professional repair.

These basic steps can help you identify easy-to-fix problems and prevent unnecessary service calls. However, if your system is blowing warm air, short cycling, making unusual noises, or leaking water, those are signs that professional service is needed. A trained technician will safely handle electrical and refrigerant-related issues that homeowners should not attempt.

Doing a basic inspection before calling saves time and gives you helpful information to share with your HVAC contractor during scheduling.

Yes, split system repairs can be covered under warranty if your equipment is still within the manufacturer’s coverage period and the issue is related to a covered part. Most split systems come with a manufacturer warranty that covers key components like the compressor, coils, and certain electrical parts for a specific number of years. Labor may not be included unless you purchased an extended labor warranty or it is within a limited initial coverage window. To use your warranty, the repair must be performed by a licensed HVAC technician using approved parts. Damage from improper maintenance, incorrect installation, or power surges is usually not covered. Proof of regular maintenance may also be required to keep the warranty valid. Always check your warranty documentation or register your product online after installation.

When you schedule service, provide the technician with your system’s model and serial number so they can check warranty status with the manufacturer. If a covered part fails, they will file the claim and replace it according to the terms. You may still be responsible for labor or diagnostic fees depending on the warranty policy.

Understanding your warranty coverage can save you money on repairs and help you plan for future maintenance or part replacement.

Short cycling in a split system means the unit turns on and off too frequently without completing full cooling or heating cycles. This problem increases wear on the compressor, reduces efficiency, and prevents proper temperature control. Common causes include a thermostat that is not calibrated correctly or placed too close to a vent or heat source. Low refrigerant from a leak can also cause the system to shut down prematurely due to pressure imbalances. Dirty coils, clogged filters, or blocked airflow can make the system overheat or freeze, triggering a safety shutdown. Oversized equipment can short cycle because it cools the space too quickly and shuts off before humidity is removed. Electrical problems such as faulty relays, control boards, or capacitors can also lead to inconsistent operation. Each of these issues requires a detailed diagnostic from a trained HVAC technician.

The technician will begin by testing the thermostat, checking refrigerant levels, and inspecting coils and filters for blockages. If airflow is restricted or system components are failing, they will be cleaned or replaced. If the system is oversized or poorly installed, the technician will explain your options for correcting the problem.

Short cycling puts extra stress on the system and shortens its life. Repairing the root cause quickly improves comfort, lowers energy use, and prevents long-term damage.

A split system that freezes up usually has a problem with airflow, refrigerant level, or coil cleanliness. When airflow is restricted, the evaporator coil cannot absorb enough heat, causing the moisture on the coil to freeze. Common airflow issues include clogged filters, blocked vents, or a malfunctioning blower motor. Low refrigerant also leads to freezing by lowering the coil temperature below normal operating levels. A dirty evaporator coil can block heat transfer and lead to ice buildup even if airflow and refrigerant are otherwise normal. If the system continues to run while frozen, it can damage the compressor and reduce system efficiency. Ice on the coil or refrigerant line is a sign that the system needs immediate attention from a licensed technician.

The first step in addressing a freezing issue is to turn off the system and let the ice fully melt. Once the system is thawed, a technician will check the filter, inspect the ductwork, and verify that the blower motor is running properly. They will also test refrigerant pressure to confirm it is within the correct range and check for any leaks in the coil or line set. If the coil is dirty, it will be cleaned carefully to restore heat transfer. The technician will also check for a faulty thermostat or control board that may be causing the unit to run too long without cycling off.

Freezing is not a normal condition for any HVAC system. Prompt repair prevents additional damage, improves efficiency, and helps keep your system operating as it should.

Need Split System Repair?

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