Musty Air Conditioner and How to Fix it? Click for the Solution!

Air conditioners smell musty when turned on. What is the reason behind it? Not only musty but there are many other common strange smells that folks often complain about from their air conditioners, especially when they are on it after a long time.

The question is, what causes a musty smell inside AC units? The purpose of constructing this awareness post is to let you learn how to get rid of bad smells from an air conditioner.

Keep reading to learn what musty means, what causes the musty smell, and what other common AC smells are with a solution to remove them. Voila!

Musty Smell in Air Conditioners – Do I Need Air Conditioning Repair?

“Musty” refers to a stale, moldy, or damp odor, which can come from various sources, including an air conditioner. If you suspect your air conditioner smells musty, you should investigate the possible causes to determine how to address the odor and solve the problem.

A musty odor usually indicates contaminants in your air conditioning system. Bacterial growth thrives in your system due to its dark and humid environment.

Another reason why an air conditioner smells musty is clogged filters. As part of routine maintenance, change the AC filters at least once every three months. Other indicators that it’s time to change the AC filter include an increase in energy bills, dust near the registers, and an increase in allergy symptoms.

How Can It Be Fixed?

Whether it’s your window AC smell musty or the central air conditioner, the best way to avoid the musty smell from air conditioners is to replace your air filter regularly and schedule routine air conditioning maintenance with Services Tech.

We will clean the evaporator coil and keep the drainage system flowing, as standing water can also create nasty odors.

Why do Air Conditioners Smell Musty When First Turned On?

Below are a few possible reasons for a musty smell

1. Mold or mildew may be present in the vents or ducts.

When you notice a musty odor wafting through the house, you may panic and wonder, “How does mold smell?” Mold and mildew can give off that musty odor, so inspect (or hire someone to inspect) the vents or ducts for signs of growth.

Mold and mildew in an air conditioner or ductwork can pose a health risk to residents. When inhaled, mold spores can cause headaches, sore throats, and respiratory distress.

2. A full drain pan can produce a musty odor

If a house smells musty but has no mold, check to see if the drain pan is full. A water-filled pan can indicate a clogged drainpipe, leading to serious problems.

Because leaving a full drain pan can result in flooding or mold and bacteria growth, you should regularly check and empty AC drain pans. Most air conditioners have two drain pans: one beneath the indoor evaporator coils and another beneath the auxiliary pan.

3. Musty odors can be Due to frozen evaporator coils or a clogged drain line.

A musty odor from an air conditioner can indicate frozen evaporator coils or a clogged drain line. If the evaporator coils to freeze and is not treated, it can lead to costly repairs. Ice outside the refrigerant line, condensation and moisture around the air handler, a full condensate drain pan, and noticeable ice around coils are all signs of frozen evaporator coils.

If you notice any of these symptoms, turn off the thermostat and power to the unit and call an HVAC repair technician.

Apart from musty, people often complain of other bad smells in their air conditioners, which they assume is a dominant sign asking for air conditioning repairs in Fort Lauderdale, Florida. Bad smells don’t denote the need for repair only, but they can be fixed by other means.

How to Get Rid of Bad Smells From Air Conditioners?

1. AC Smells Like Chemicals

When you turn on your air conditioner, it smells like a chemical odor. You might also notice that your:

  • The air conditioner smells strongly of paint thinner.
  • The aroma of the home air conditioner is pleasant.

These sweet, chemical odors frequently indicate that your air conditioner has a refrigerant leak. Your system uses this gas to move heat through copper coils, which can corrode over time.

These sweet, chemical odors frequently indicate that your air conditioner has a refrigerant leak. Your system uses this gas to move heat through copper coils, which can corrode over time.

How Can You Fix It?

Repairing a refrigerant leak typically costs between $225 and $1,600, depending on location and severity, and requires skilled assistance from a heating and cooling company.

2. Air Conditioner Smells Like Vinegar

If you smell mildew in your air conditioner or a pungent, vinegar-like odor, it could be due to several issues, including:

  • A clogged filter
  • Excessive condensation
  • Condensate pan or drain line clog
  • Air conditioner or ductwork mold

How to fix it?

First, inspect your filter. It’s time to replace it if you haven’t changed it in the last three months and can’t see the light through it.

3. Air Conditioner Smells Like Burning Plastic

If you have a burning air conditioner smell or your air conditioner smells like fish, there could be a couple of issues. These are as follows:

The motor is overheating due to a faulty capacitator.

  • An engine requires lubrication.
  • The fan belt is broken.
  • There is an electrical problem.

Do not take a risk fixing electrical problems at home. If you smell burning plastic while your air conditioner is running, turn it off and call professional right away. If you’re dealing with an air conditioner burning smell or your air conditioner smells like fish, there could be some things wrong. These entail:

  • Broken capacitator that’s overheating the motor.
  • Motor that needs lubrication.
  • Broken fan belt.
  • Electrical issue.

Electrical problems should be checked right away to prevent a fire. If you smell burning plastic when your air conditioner is on, switch it off and reach us at 314-262-4541

4. Air Conditioner Smells Like Cat Pee

A powerful ammonia odor means there might be mold flourishing inside your air conditioner or ductwork. The smell is not the mold itself but the mycotoxins that mold creates.

How to Repair It?

Hire an expert to identify the source of a musty smell and make any repairs. Exploring an AC unit requires understanding the system to avoid more expensive issues or damages.

Contact Services Tech for Quality AC Service in Central Florida

Services Tech AC is counted among most reputable Air conditioning repair and AC installation Fort Lauderdale, Florida.

Our experienced HVAC technicians have the proper training and equipment to find and remedy areas of concern. Hiring a professional will also ensure you are not missing mold or mildew growth—which can harm your health and well-being.

Is It Bad to Leave My Windows Open When the AC is On?

Just like there is a reason behind a cause, similarly, there are certain reasons (probably common mistakes) behind AC malfunctioning and AC breakdowns. One of the biggest mistakes, reason, or a RED FLAG, is, running AC with windows open.

It counteracts all of the hard work that your HVAC system is doing. Besides, there are other repercussions as well for which residents look for the best air conditioner repair companies in Boynton Beach, Florida.

Let’s shed light on the possible effects of running AC with windows open and better alternatives. We know summers hit insanely in Florida, but not avoiding few mistakes can evacuate it further. We have enlisted some best solutions for you!

What Happens When You Run AC With Windows Open?

Opening windows interferes with the operation of an air conditioning or HVAC system. When the windows are open, the system’s airflow will not function as intended. Air escapes, and untreated air – in terms of temperature and cleanliness – enters.

Below are some adverse effects of running AC with windows open.

AC Breakdown

When cool air is escaping from your home, you must leave your air conditioner in a higher setting to do the job. As a result, your HVAC system will likely need to be kept on longer, therefore getting little rest.

This will put more strain on your HVAC system and may cause it to fail prematurely. Going easy on your air conditioner can result in a longer lifespan and lower energy costs.

Wear & Tear

Outside air brings dust and higher humidity into the house. These additions, especially at high levels, can wear and damage system components, including a thermostat. Dust and particulates can accumulate and cause problems for thermostats, filters, and other HVAC components. Furthermore, you and your family inhale more dust, pollen, and humidity.

The AC system will have to work harder to cool and filter or treat the air that isn’t entering the system as it should. Expect your utility bills to skyrocket because of all this extra work on the HVAC system. The additional cost may be worthwhile.

The more stress you put on AC, the worse it functions and has parts break. You end up with more repairs at some point. You may even reach the point of the worn parts or components needing to fix more cost-effectively.

Unexpected Problems

A sudden, unexpected rain – which never happens on hot days in the Carolinas – could create a mess inside an open window.

Leaving windows open may clog filters. You will have to change them more frequently now, assuming you remember to change them at all. An old, clogged filter will perform less effectively than it should, and a filthy filter can make a home and the air dirtier, causing more problems than not using a filter at all.

Dust Accumulation

Dust will accumulate throughout the house when you leave the windows open while the air conditioner runs. As a result, indoor air quality will begin to deteriorate, particularly if you live in a densely populated city.

You will notice a layer of dust on your furniture and household appliances. If you have asthma or respiratory problems, this can be extremely dangerous.

The AC will need more time to cool the space.

Open windows will help your air conditioner cool your home faster. However, this is different.

When you leave your windows open in the summer, hot air from outside will enter your home. You will gradually feel the heat of the sun. In this case, your air conditioner will need more time to cool your space. It may not even reach the desired cooling temperature in some cases.

Temperature Variation

If you leave the windows open while the air conditioner runs, you will notice uneven temperatures and hot and cold zones because hot air from outside will constantly enter your home.

Then, even if your air conditioner produces cold air, it will not be enough to maintain an even temperature in your home.

Inconsistent AC Cycling

When you turn on your AC, it stays on until you reach the desired temperature. When the temperature is reached, the air conditioner turns off. It will again begin to function when the temperature reaches to preset level. As a result, the entire cooling process continues, which is known as air conditioner cycling.

Precaution is better than cure! If you do not want to invest in frequent AC repairs in Boynton Beach Florida, try alternatives that will retain your AC functioning and save your money.

Best Alternatives than Opening Windows – Say No to Frequent AC Repairs

Using Blinds or Curtains

When you see sunlight coming in, it heats a room or area of a house by the minute. You can hang curtains and blinds, but remember to use them. Keep your rooms shaded to keep them cool. In hot climates, this may make little difference. It works by preventing sunlight from heating the inside of the house.

Tinted Windows

Along with curtains or blinds, window tinting can be a good idea. If you have tinted windows and curtains, they can help you keep cooler temperatures in certain rooms or areas of your home.

The Ideal Temperature

What temperature is ideal, even on the hottest days? Personal preferences vary, but 78 degrees is typically the most balanced and efficient setting for an air conditioner during the summer. You should be able to either change it 2-3 degrees away with very little cost or function difference.

It effectively cools the air while also conserving energy. Remember that it’s best to keep the windows closed usually.

Whether you have window AC or any best central air conditioners, running AC with windows open will always disturb your AC functioning and keep you coming to ac repair companies in Florida. Never mind, being dedicated experts, we are always up to assist.

Come to Services Tech for the Best AC Repair in Boynton Beach, Florida!

Contact us at any time for a no-obligation consultation and estimate. We will evaluate your system and recommend the best value. After all, we want you to stay cool throughout the summer.

What Is the Ideal Temperature for Home AC in the Summer?

Summers in Florida are so brutal at times! It even feels like our Sunshine State is standing right over the sun. As the temperature rises in Florida, residents start counting on air conditioning systems to stay cool and comfortable.

Especially, if you live in a place like Coral Springs, Florida, you would be more prone to catch heat waves since the summers can be quite intense in this city. Though this climatic season demands using HVAC systems, but excessive use of these systems often results in issues like malfunctioning and breakdowns. This is the reason why residents become conscious about AC repairs Coral Springs during summer.

The main concern is, what is the ideal AC temperature for summers in Florida? Should I set it lower to stay cool or higher to save money on your energy bills? What is the best AC temperature for summer to save money?

This blog post will discuss the ideal temperature for your home AC during the scorching summers in Florida. You will learn the best tips and insights to help you stay comfortable while saving money on your energy bills.

Before you Call For AC Repair, Learn What is Ideal AC Temperature?

Ideal AC temperature is a perception based on your personal preferences. Some people prefer a cooler environment at home, while others prefer a warmer one. However, the average summer AC temperature to save money and cope with summers should be around 76 and 78 degrees Fahrenheit.

If you often stay out of the home, set the thermostat a few degrees higher rather than cooling it. You might want to turn down the heat when you are in bed. It takes different temperature requirements depending on the time you stay at home. For instance:

  • When people are at home or sleeping, the temperature is 75°F.
  • When no one is home, the temperature should be 80°F
  • When you often out on a commute, then the temperature should be 82°F

Many people ask:

  • Is 75 A Good Temperature for Home ACS?

Since summers in Florida are quite humid, setting your temperature in this range might help you save money on energy costs.

  • What Is “Normal” AC Temperature?

Although air conditioners aren’t used half the year in Florida, temperatures drop enough to turn off the AC and use the heat for a few months. When people are at home, the average AC temperature in the summer to save money is between 68 and 72 degrees. 62 to 66 degrees is ideal when the house is empty, or people are sleeping

.According to the DOE, the best AC setting for summer is 78 degrees. If you lower the temperature below 78 degrees, you risk increasing your energy bill by 4-6 percent per degree. While reducing the temperature to 68 degrees Fahrenheit may seem appealing on a hot summer day, it will come at a cost—and there are better ways to do so.

–          When Is It Safe to Exceed 78 Degrees?

The same DOE study that declared 78 degrees the best summer AC temperature provided another important nugget. Raising your home’s temperature by 7-10 degrees for about eight hours a day can save up to 15 percent on your energy bills.

Of course, no one wants to stay inside when it’s 85 degrees outside. When can you go above 78 without jeopardizing your comfort?

  • When is the right time to go for AC repair Coral Springs, Florida?

The best time to consider AC repair Coral Springs, Florida, is before the summer months arrive. By scheduling AC repair or maintenance services before the summer months, you can ensure that your system is in good working order and ready to handle the season’s demands.

How to Set Ideal Temperature for Home AC in Summer?

Setting the ideal temperature for your home’s AC during the summer can help you stay comfortable and save money on your energy bills. Below are a few tips on setting the ideal temperature for your home AC in summer:

  • Aim for a Temperature Between 72-78 Degrees Fahrenheit

The ideal temperature for your home AC during summer is 72-78 degrees Fahrenheit. This temperature range can help you stay cool and comfortable without overworking your AC system or increasing energy bills.

  • Determine your optimal temperature range.

The optimal temperature range for your home AC during summer is 72-78 degrees Fahrenheit. This range can help you stay comfortable while saving energy and money on your utility bills.

  • Use a programmable thermostat.

Using a programmable thermostat can help you set your AC temperature to adjust automatically throughout the day, depending on your schedule and preferences. For example, you can select the temperature to be slightly higher when you are away from home to save energy.

  • Consider zoning

Zoning involves setting different temperatures for different areas of your home. By only cooling the areas of your home that are in use, you can save energy and money.

  • Keep your AC well-maintained.

Regular maintenance for your AC system can ensure it works efficiently, saving you money on energy bills. Schedule an annual maintenance visit with a professional HVAC technician to keep your system running smoothly.

Whether you need assistance with the average AC temperature in Florida, especially in summer, the professionals at Services Tech will address your issues amicably and effectively.

Come to Us for Air Conditioner Repair Coral Springs FL

If your appliance is not operating at peak time, we will have you back to comfort in no time with our comprehensive diagnostics and pinpointed professional repairs.

Our technicians are trained to provide the best service possible, ensuring that we provide the most thorough repair services every time.

Call us today for AC repairs Coral Springs; our expert technicians will make all the difference in improving the performance of your system!

How to Install a Window AC Unit? A Step-by-Step Guide

As the temperature rises in the summer months, folks start looking for AC repair Broward, Boca Raton, and other areas of Florida where summers hit insanely. Shall I tell you the secret to saving your money from frequent AC repairs?

Install a window AC unit; it takes less maintenance than split AC. Yes, installing a window air conditioning unit can be a lifesaver, providing soothing relief. How to install a window AC unit on a wall or sliding window?

We have constructed this insightful blog for your convenience, so you can learn a step-by-step guide on installing a window AC unit, whether you are installing it on a standard window or a sliding window.

So, let’s get started and ensure you can stay cool all summer!

How to Install Window AC Unit On a Wall?

Installing a window AC unit can be a great way to cool a room without investing in a central air conditioning system. You will need a complete window AC installation kit

for a successful installation.

This step-by-step guide will walk you through installing a window AC unit.

Step 1: Choose the Right Location

Before installing, choose the right location for your window AC unit. Look for a window close to an electrical outlet with enough space to accommodate the unit.

You should also consider the window’s orientation, as a north-facing window would receive less sunlight and require less cooling.

Step 2: Prepare the Window

Once you have chosen the location for your window AC unit, it’s time to prepare the window. Remove any screens or storm windows, and clean the windowsill and surrounding area. You should also measure the dimensions of the window opening to ensure that the AC unit will fit properly.

Step 3: Install the Mounting Bracket

Most window AC units come with a mounting bracket that attaches to the bottom of the unit and rests on windowsill. Follow the manufacturer’s instructions to attach the mounting bracket to the team and position the crew on the windowsill.

Step 4: Secure the Unit in Place

Once the unit is in position, use the screws to secure the mounting bracket on a windowsill. You should also use foam weather stripping to seal gaps between the window and the AC unit.

Step 5: Connect the Electrical Cord

Next, plug in the electrical cord and make sure it is properly grounded. You should also use a surge protector to protect the unit from electrical damage.

Step 6: Adjust the Thermostat

Once the unit is installed and plugged in, you can adjust the thermostat to your desired temperature. Be sure to refer to the manufacturer’s instructions for information on how to operate the thermostat.

BEWARE! When installing a window AC unit, follow certain instructions to make it hassle-free. Have a look at a few Dos’ and Don’ts.

Do’s & Don’ts of Installing Window AC Unit On a Wall & Sliding Windows


  • Measure the window opening to ensure that the AC unit will fit properly.


  • Use a level to ensure that the unit is installed straight and level.


  • Use foam weather stripping to seal gaps between the AC unit and the window frame.


  • Use a surge protector to protect the unit from electrical damage.


  • Follow the manufacturer’s instructions for information on how to operate and maintain the unit.


  • Hire a professional AC repair service if you encounter any issues or require assistance.




  • Install the unit where it may be exposed to direct sunlight or other heat sources.


  • Overload the electrical circuit by plugging too many devices into the same outlet.


  • Use an extension cord to connect the AC unit to the electrical outlet.


  • Leave gaps or openings around the AC unit, as this can reduce efficiency and effectiveness.


  • Attempt to modify or alter the AC unit in any way, as this can void the manufacturer’s warranty and may cause damage to the unit.

Tips for Installing a Window AC Unit in a Wall or Sliding Window

How do you install a window AC unit on a sliding window? If you are installing a window AC unit in any one of both places, the process may be slightly different. Here are some tips to help you install a window AC unit in a wall or sliding window:

  • For a wall installation, you may need to cut a hole in the wall to accommodate the unit. Be sure to follow local building codes and regulations when cutting into walls.


  • For a sliding window installation, you may need a special bracket or kit to secure the unit.


  • In both cases, it’s important to ensure the unit is properly secured and sealed to prevent air leaks and provide efficient cooling.

By following these do’s and don’ts, you can ensure that your window AC unit is installed safely and effectively, whether you’re installing it on a wall or sliding window. If you consult any trustworthy source to help you with AC installation, maintenance, or even AC Repair Broward or Boca Raton, you will find new information you haven’t learned before.

Installing a window AC unit can be a great way to cool a room without investing in a central air conditioning system. All you need is a reliable source to guide you, and the best HVAC system to invest in.

At Services Tech, we get you covered in both aspects!