Author: justin@morrowmechanical.com

You walk into your home on a scorching Spring day, expecting relief from the heat – only to be met with warm air blowing from your vents. If you’re wondering why your AC is blowing hot air, you’re not alone. This frustrating issue is common for homeowners, but identifying the cause can help you get back to comfort, faster.

At Amazing Morrow, we’ll walk you through the most common reasons your AC may be blowing warm air and what you can do to fix it.

How Your Air Conditioner Should Work

Your air conditioner cools your home by pulling warm indoor air over an evaporator coil filled with refrigerant. The refrigerant absorbs the heat, cooling the air before circulating it back into your home.

If your AC is blowing hot air, something has disrupted this process, and a faulty component or airflow issue is likely to blame.

7 Reasons Your AC Is Blowing Hot Air

If you’re asking, “Why is my AC blowing hot air instead of cool?”, one of these issues is likely the cause:

1. Incorrect Thermostat Settings

Before assuming there’s a major issue, check your thermostat. Ensure it’s set to “COOL” and the fan is on “AUTO”, not “ON.” If the fan is set to “ON,” it will run constantly – even when the AC isn’t cooling, pushing out warm air.

2. Dirty Air Filters Blocking Airflow

A clogged air filter restricts airflow, preventing warm air from reaching the evaporator coil. Without proper airflow, your AC can’t remove heat effectively, causing it to circulate warm air instead.

SOLUTION: Replace your air filter every 1-3 months to keep your system running efficiently.

3. Frozen Evaporator Coil

A frozen coil prevents heat absorption, leading to warm air blowing from your vents. Signs include ice buildup on refrigerant lines and reduced airflow.

How To Fix:

• Turn off your AC and set the fan to “ON” to help melt the ice.
• Replace dirty air filters to restore airflow.
• Check for blocked air vents that could be restricting circulation.

4. Refrigerant Leaks

Your AC relies on refrigerant to cool the air. A low refrigerant level means the system can’t absorb heat properly, leading to warm air circulation.

SOLUTION: If your refrigerant is low, you likely have a leak that needs professional repair, as your AC is a closed system that shouldn’t lose refrigerant.

5.Dirty or Blocked Condenser

The outdoor condenser unit is responsible for releasing heat collected from inside your home. If it’s clogged with dirt, debris, or blocked by vegetation, the heat exchange process is disrupted, making cooling less effective.

How To Fix:

• Clear at least two feet of space around your condenser.
• Clean the unit by gently spraying it with a hose (avoid using high pressure).

6. Compressor Malfunction

The compressor pumps refrigerant through your AC system. If it fails, refrigerant won’t circulate properly, and your AC won’t cool the air.

Warning Signs:

• Unusual noises (banging, clicking, or hissing).
• Circuit breaker trips when the AC turns on.
• AC runs but doesn’t cool your home.

A failed compressor requires professional repair or replacement.

7. Power Problems

If your indoor fan is running but your outdoor unit isn’t, there may be a power issue. A tripped circuit breaker or blown fuse could have shut off power to your outdoor unit while the indoor fan keeps circulating air.

SOLUTION: Check your electrical panel for a tripped breaker and reset it if necessary. If it trips again, call an HVAC technician for further diagnosis.

Get Expert AC Repairs in Spring, TX

If your AC is blowing hot air, some issues – like thermostat settings, clogged filters, or blocked vents – can be fixed easily. However, problems with refrigerant, the compressor, or electrical components require professional attention.

At Amazing Morrow, we provide fast, expert AC diagnostics and repairs throughout Spring, TX and surrounding areas. Our licensed technicians can quickly identify the problem and restore cool air to your home.

Call Amazing Morrow today at (281) 370-1566 to schedule your AC repair in Spring, TX!

When you discover that a major component of an appliance or home system needs repair, it’s easy to wonder whether you should fix that component or invest in an entirely new system. If you discover that you need a new AC evaporator coil, you may be wondering the same thing. Let’s explore the details of this challenge including when it makes sense to replace the coil and when it makes sense to replace your whole system.

What is an Evaporator Coil and Why is It Broken?

An evaporator coil is a critical component of your air conditioning system. It is part of the inside component of your AC system, which absorbs heat and humidity from your home before sending the refrigerant to the condenser and compressor outside.

Over time, the refrigerant that travels through the evaporator coil can erode the inside lining and cause coolant leaks. These leaks are both costly for the homeowner and bad for the environment. When this occurs, you are faced with the decision on whether to replace the coil or the AC system.

When to Replace the Coil

Evaporator coils are generally designed to last the life of your air conditioning system. Although some people may try to patch or repair an evaporator coil, this is a bad idea. Coolant leaks will still continue, increasing both your energy bills and damage to the environment.

The only time it makes sense to replace just the evaporator coil is if your air conditioning system is still under warranty and relatively new. A trained, certified professional can then ensure that the evaporator coil still matches your overall system

When to Replace Your AC System

If your air conditioning system is near the end of its 10- to 12-year lifespan, it may make more sense to replace your whole AC system.

First, you don’t want to mismatch your inside and outside unit because you may create energy inefficiencies, reduce your comfort, and overwork the newer components of your system. Both portions of your air conditioning system should match in SEER rating, refrigerant and age.

A mismatched system causes multiple problems because the components need to work together to gain the most efficiency. For example, if you put a new evaporator coil in an old AC system, you’ll lose the efficiency gains on the inside unit because your outside unit won’t be able to keep up. In addition, the inefficiency of the older unit will make the new equipment work harder than necessary, shortening its overall lifespan.

Older systems traditionally used R-22 refrigerant, which is no longer being produced because it’s harmful to the environment. As a result, purchasing this coolant for recharges will be increasingly difficult and expensive. By investing in a new system, you’ll be switching to one that uses the modern, safer R-410A refrigerant.

When you discover that a major component of an appliance or home system needs repair, it’s easy to wonder whether you should fix that component or invest in an entirely new system. If you discover that you need a new AC evaporator coil, you may be wondering the same thing. Let’s explore the details of this challenge including when it makes sense to replace the coil and when it makes sense to replace your whole system.

What is an Evaporator Coil and Why is It Broken?

An evaporator coil is a critical component of your air conditioning system. It is part of the inside component of your AC system, which absorbs heat and humidity from your home before sending the refrigerant to the condenser and compressor outside.

Over time, the refrigerant that travels through the evaporator coil can erode the inside lining and cause coolant leaks. These leaks are both costly for the homeowner and bad for the environment. When this occurs, you are faced with the decision on whether to replace the coil or the AC system.

When to Replace the Coil

Evaporator coils are generally designed to last the life of your air conditioning system. Although some people may try to patch or repair an evaporator coil, this is a bad idea. Coolant leaks will still continue, increasing both your energy bills and damage to the environment.

The only time it makes sense to replace just the evaporator coil is if your air conditioning system is still under warranty and relatively new. A trained, certified professional can then ensure that the evaporator coil still matches your overall system

When to Replace Your AC System

If your air conditioning system is near the end of its 10- to 12-year lifespan, it may make more sense to replace your whole AC system.

First, you don’t want to mismatch your inside and outside unit because you may create energy inefficiencies, reduce your comfort, and overwork the newer components of your system. Both portions of your air conditioning system should match in SEER rating, refrigerant and age.

A mismatched system causes multiple problems because the components need to work together to gain the most efficiency. For example, if you put a new evaporator coil in an old AC system, you’ll lose the efficiency gains on the inside unit because your outside unit won’t be able to keep up. In addition, the inefficiency of the older unit will make the new equipment work harder than necessary, shortening its overall lifespan.

Older systems traditionally used R-22 refrigerant, which is no longer being produced because it’s harmful to the environment. As a result, purchasing this coolant for recharges will be increasingly difficult and expensive. By investing in a new system, you’ll be switching to one that uses the modern, safer R-410A refrigerant.

It’s easy to understand why most people skip scheduling an AC tune-up in the spring. When the weather is pleasant, you don’t really worry about whether your air conditioner is working or not. And when it gets hot enough to finally turn it on, you’re just happy that it’s working well enough to cool down your home. As a result, most homeowners don’t reach out to an AC professional until their air conditioning is not working at all.

However, an AC tune-up is actually a very important preventive maintenance task that can provide you with many benefits you might not have considered before. Here’s a short list so you can make a well-informed decision.

Reduce Your Energy Bills

A well-functioning air conditioner will use energy more efficiently. By scheduling an annual AC tune-up, you’ll have the benefit of a pair of expert eyes who can inspect every component of your air conditioning system. One of our certified technicians will perform a thorough cleaning and inspection as well as lubricate, tighten and adjust dozens of components to make sure they are ready to take on a hot summer. Your AC unit can then provide maximum cooling with minimal energy usage, saving you money on your monthly utility bills.

Extend the Life of Your Air Conditioner

Just like any other appliance or piece of equipment, a well-maintained air conditioner will last longer. Most AC units have an average lifespan of 10 to 15 years; however, if you invest in tune-ups each year, you may extend that lifespan even longer. That means you’ll be able to defer the cost of purchasing and installing a major appliance into the future, freeing up funds for other financial priorities.

Improve Air Quality

Air conditioners not only remove heat from your indoor space but also help manage humidity levels and air quality. By ensuring that filters are changed regularly and your whole AC system is tuned-up annually, you can improve the indoor air quality of your home. If you have family members who suffer from allergies or other respiratory illnesses, this can increase their quality of life significantly.

Minimize Problems and Stress

Let’s face it. Most people lead busy lives in our modern world, and anything you can do to make daily things run more smoothly or reduce potential problems help reduce stress. When an air conditioner breaks during the heat of the summer, especially in Houston, TX, it can be an uncomfortable or even life-threatening situation. By investing in a simple AC tune-up, you’ll reduce the chances of a malfunction and take one more potentially stressful situation out of your life.

The professionals at Morrow Mechanical want to keep you and your family safe and comfortable this summer. Call us today for information about our AC tune-ups and maintenance offerings. Compared with the cost of a new air conditioner or an emergency repair call, an AC tune-up is a small investment for the benefits and peace of mind you’ll receive in return.

The decision to replace an old air conditioning system can be a tough one for most homeowners. A new system can be a large investment, and the question becomes one of “Can I get a few more years by repairing it, or should I simply invest in a new one and not waste money on repair work?”. Although a new air conditioning system can be a big investment, so can the costs of continuing to repair and operate an old, inefficient system. Here are a few things to consider and evaluate.

What is the age of your unit?

You can expect a well-maintained air conditioner to last 10 to 12 years. However, if you’re in need of expensive repairs and your air conditioner is more than 8 years old, it will often make more financial sense to replace it.

A major component has failed and the warranty has expired!

Repair costs will be expensive if a major piece of the equipment has failed and is no longer covered by any kind of warranty. Serious consideration should be given to replacement if repair costs are in excess of a third of the price of a new system. New equipment will come with a 10 year manufacturer parts warrant in most cases.

Air conditioner uses R22 refrigerant

R22 refrigerant is being phased out by the EPA in order to comply with various governmental agency clean air laws. If your air conditioner uses R22 refrigerant, you’ll eventually need to replace the system in order to change to the newer R410a refrigerant. Consideration should be given to replacement if you’re having a major component failure with a system that uses R22 refrigerant.

Your home isn’t comfortable

You’re having a hard time keeping your home comfortable. This could be the sign of an aging air conditioner or even an incorrectly sized system. Regardless of the cause, you want your air conditioner to do its job! If it’s not going to keep your home cool, you’ll want to replace it with a unit that will.

Noticing higher utility bills?

Increased utility bills could be a sign that your air conditioner has to work harder to cool your home. Over time, an air conditioner becomes less efficient. So, even if your air conditioner is old and fully functioning, your cooling costs may be excessive. Some of the more efficient models can save you up to 30% on cooling costs.

Our company has successfully installed thousands of replacement air conditioning systems in the Houston area. We offer a professional evaluation and estimate on replacement systems at no charge. If you would like to know more contact us today and we’ll schedule a convenient time and show you all of the options you have.