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Call for reliable AC replacement in Mesa AZ.
For AC repair in Mesa AZ, like us on Facebook!
For AC repair in Gilbert AZ, visit us on Google!
To schedule your Air Conditioner installation in Chandler AZ, just email us!
see what your neighbors say about the AC repair or installation we performed near Mesa AZ on Pinterest!
For AC repair in Gilbert AZ, follow us on Twitter!
For Ductless AC repleacement in Mesa AZ, watch our videos on YouTube.
Call Us Today!
Call John's Refrigeration today for AC repair service in Chandler AZ
Call for reliable AC replacement in Mesa AZ.
Call John's Refrigeration today for Air Conditioner repair service in Gilbert AZ
Schedule an Appointment

Blog Index 16

Blog Index 16

John’s Refrigeration Blog

Why You Shouldn’t be a Thermostat Jiggler

September 4th, 2014

Thermostat jigglers, you know who you are. You’re the ones who change the thermostat temperature whenever you feel a little too hot or too cold. Continue Reading

When is it okay to turn A/C off?

August 28th, 2014

We are often asked when is it okay to turn A/C off?

The answer is when the summer is over. Continue Reading

3 Problems Caused by Leaky Refrigerant

August 22nd, 2014

One of the essential components that makes an air conditioner work is refrigerant, a chemical blend that courses through the cooling system and changes from gas to liquid and back again. As the refrigerant absorbs and releases heat, it moves heat from the inside of a home and deposits it outside. This is calledheat exchange, and it’s the secret to how electro-mechanical air conditioning works.

During heat exchange, the amount of refrigerant inside an AC doesn’t lower. As long as the system is working normally, the air conditioner will not lose of its charge of refrigerant. However, the charge can drop if leaks develop along the refrigerant lines or inside the compressor. Loss of refrigerant is a serious repair problem that will impair an AC and possibly cause it to break down permanently if not dealt with.

If you notice a loss of cooling from your AC or hear an unusual hissing noise coming from its cabinets, call Johns Refrigeration right away. Since 1970, we’ve handled air conditioning repair in Scottsdale, AZ that keeps customers coming back to us.

Here are the troubles you may encounter with your AC due to leaking refrigerant:

Loss of Cooling/Rise in Bills

With less refrigerant inside an air conditioner, the balance of heat exchange will weaken. The indoor evaporator coil will be able to absorb less heat, and the outdoor condenser coil will be able to exhaust less heat. The air conditioner as a whole will start to lose its cooling power, and consequently it will strain harder to reach its target temperature, leading to a spike in electrical bills.

Ice along the Evaporator Coil

One of the major warning signs of leaking refrigerant is ice and frost developing along the indoor coil. Although it might seem strange that losing refrigerant would cause ice to appear, the reason this happens is that the remaining refrigerant in the coil doesn’t warm up enough, and the cold along the coil will start to freeze the water vapor in the air. This creates a downward spiral, since ice will further prevent the coil from absorbing heat, leading to more ice. Eventually, a solid ice block will form over the coil and prevent any heat exchange from occurring.

A Burnt-Out Compressor

This is the most serious consequence of a loss of refrigerant: if the compressor burns out, usually the entire air conditioner will need replacement. The danger to the compressor is that a reduced level of refrigerant inside it will cause it to overheat, eventually melting its wiring and ruining it. For this reason, you cannot delay when you notice any sign of lowered refrigerant.

One way to avoid the troubles from refrigerant leaks is to enroll your AC in a maintenance program. During a yearly inspection, a technician will check the refrigerant level to make sure that it hasn’t lost charge. If there are leaks, the technicians will locate and seal them, and then recharge the refrigerant to its proper level.

When you need air conditioning repairs in Scottsdale, call up the experienced team at Johns Refrigeration. We will have your cooling restored in no time.

Tips from Air Conditioning Repair Technicians

August 21st, 2014

We asked our air conditioning repair technicians to share the most common stories they hear from our customers and we’ve listed a few air conditioning  tips based on what they hear the most: Continue Reading

Can I Run My AC with Low Refrigerant?

August 15th, 2014

The refrigerant in your air conditioning system facilitates the transfer of heat from your indoors to the outdoors. Every air conditioner is manufactured to operate with a specific amount of refrigerant. This specific amount is added to your system during installation, and decreases only if a leak occurs in the system. When an AC’s refrigerant level is off – either too high or too low – system-wide problems will develop that can affect many different aspects of your cooling. It may take a while to notice these problems, but one thing to know about refrigerant leaks is they don’t go away on their own. No one wants to think about needing air conditioning repairs during August, but when it comes to low refrigerant, it’s necessary to call professionals, like the ones here at John’s Refrigeration.

Problems Caused by Low Refrigerant

There are multiple problems that can be caused by low refrigerant:

  • Decrease in cool air – as we mentioned above, refrigerant facilitates the transfer of heat in the air conditioning cycle. When this process becomes unbalanced due to a leak, the refrigerant can stay too warm, disabling it from achieving the cooling needed for your home.
  • Ice formation – when the refrigerant level is too low, the warm parts of your system stay too warm, and the cool parts get too cold; this creates condensation that, because of the cold parts, freezes over and forms ice. Scraping the ice off does not repair this problem; it requires professional repair for the refrigerant leak.
  • Compressor problems – your compressor is made to operate with the exact amount of refrigerant needed for your system. When too little refrigerant enters the compressor, it can malfunction in a few ways, including overheating and breakdown. Compressors are complex to repair and even more expensive to replace, so it’s best not to risk this by running your AC with low refrigerant.

Refrigerant Repairs Need Repair

Refrigerant leaks can throw off your entire system, and it’s important to hire professionals to fix them. Why? It can be difficult to find a refrigerant leak, and you need to be certified to handle refrigerant. If you suspect you may have a refrigerant leak and require repairs, call John’s Refrigeration to set up your air conditioning repair service in Phoenix today.

Tips for Back to School in Gilbert

August 14th, 2014

If you thought traffic was busier this week, you’re not alone. It’s back to school in Gilbert, which means being extra mindful in and around schools. Kids aren’t always paying attention, making it important for adults to be on alert to keep everyone safe. Continue Reading

3 Common Compressor Repairs

August 8th, 2014

There are 3 main components to your air conditioner: the condenser, the evaporator, and the compressor. Each is important to the function of your air conditioner, and each has different responsibilities. There are a few common problems that occur with compressors that can create a need for air conditioning repairs. One thing to keep in mind is that the compressor is a complex component, so you should always call a professional like the ones at John’s Refrigeration to conduct AC repairs in Queen Creek.

Here’s a List of Common Compressor Problems

  • Motor issues – if your air conditioner is short-cycling, it can cause your compressor to overheat or even burnout. This can also happen if something like a faulty thermostat is constantly triggering your system to turn on and off. Motors can sometimes be repaired, but in cases of burnout, they usually need to be replaced.
  • Low refrigerant – your compressor isn’t the cause of low refrigerant, but it can suffer problems when this happens. Why? Your AC runs on a specific level of refrigerant; when the level is lower than it should be, the entire heat release/cooling process is thrown out of balance. This is a problem for your compressor because the refrigerant needs to be in certain states – gas or liquid – when it enters different parts of your system. When it comes to your compressor, the refrigerant needs to be a cool gas, but sometimes, when the refrigerant is low, it may enter as a liquid. Your compressor wasn’t made to work with liquid refrigerant, and will most likely break down in this scenario. A second problem with low refrigerant is that too little refrigerant is being pressurized, which can cause your compressor to overheat.
  • Electrical issues – wires throughout your system can corrode, fray or disconnect, and this includes the parts in your compressor. One common sign of an electrical issue is “hard starting” – a noticeable stuttering when the compressor motor turns on.

Your compressor is a complex component, which is why it’s important to call a professional when you need compressor repairs for your air conditioning. John’s Refrigeration has been helping customers in Queen Creek, AZ since 1970, so if you have a problem with your AC’s compressor, call us today!

6 Ways to Show You Care During A/C Appreciation Days

August 7th, 2014

We LOVE the Arizona summer because it means we’re busy keeping you feeling cool and comfortable in your homes. Help us celebrate National Air Conditioning Appreciation Days July 3 – August 15 with the following tips: Continue Reading

What Are The Benefits Of Adding A Humidifier To My Air Conditioning System?

August 1st, 2014

Our summers here in Mesa bring the heat – and a lot of it. As most people know, we have a very dry heat, which in some ways is nicer to deal with than more tropical heat. However, just as excess humidity can cause problems, so, too, can a serious lack of it. One of the best ways to raise the humidity in your home to a healthy level is with a whole-home humidifier. Since 1970, John’s Refrigeration has helped customers in Mesa with their air conditioning needs, including humidity control.

How Can Low Humidity Create Problems in My Home?

There are several ways low humidity can cause problems in your home:

  • Home damage – lack of humidity can cause wood products, such as your flooring and furniture, to dry out and splinter; it can also cause paint to peel and crack, and high levels of static electricity.
  • Decrease in health – when the air in your home is too dry, it can dry out the mucous membranes in your body. You need these membranes to be healthy in order to fight off bacteria and viruses; when they dry out, you may be more prone to infection. In addition, very dry air can exacerbate allergic reactions and chronic respiratory disorders like asthma.
  • Temperature discomfort – little humidity in your indoor air can make the temperature feel colder than it really is.
  • Bloody noses, etc. – lastly, very dry air in your home can cause bloody noses, dry mouth and eyes, sore throats and dried out, itchy skin.

The Benefits of a Whole-Home Humidifier

A whole-home humidifier brings a healthy level of moisture to your home that can’t really be achieved with a room humidifier. By adding an appropriate amount of moisture to the air through your air conditioning system, you can avoid many of the problems listed above. If you’ve seen the signs of insufficient humidity in your home, schedule air conditioning service in Mesa, AZ with the experts who can help: John’s Refrigeration.

Is it possible to have ice on your air conditioner unit in the Arizona summer?

July 30th, 2014

It’s hard to believe, but the quick answer is YES! There can be ice on your air conditioning unit in the Arizona summer. This is never a good thing, though, and is an indicator of a problem.

Some of the causes of ice on an air conditioner include:

  1. Low refrigerant. Your air conditioning unit requires refrigerant to operate effectively. It cycles through the coils and valves to cool the air. When refrigerant is low, pressure in the coils drops and ice forms, causing the system to work harder to cool your home.
  2. Dirty filter. Just as we breathe, so does your home. A dirty air filter is like having an allergy or asthma attack; the air is restricted, causing the coil to drop below freezing. The result is that ice forms and the system is forced to work harder.
  3. Non-functioning fan. If the fan is not functioning properly, that means air is not being circulated through the ductwork of the home. This can also cause ice to form on the unit.

What can be done to prevent this from happening?

Annual maintenance of the air conditioning unit and entire HVAC system will ensure the system is working properly and efficiently. It is our goal for our customers to enjoy comfortable temperatures in their homes.

Consider joining the Peak Performance Club, where we will perform TWO 51-point inspections, clean indoor and outdoor coils, and clear condensate.

What if you find ice on your air conditioner?

You may see ice on the unit, hear what sounds like ice dropping in the unit, or experience a change in the temperature of your home. If this happens, turn off the unit and call the team at John’s Refrigeration.

We look forward to helping keep your family home clean and healthy.

24 Hour Emergency Service • Call Us Today • (480) 648-2400 • or • Fill Out Our Online Form
We service most AC brands and models near Mesa AZ.
Business Address:
211 E. 10th Drive, Ste. 2
Mesa, AZ 85210
Contact Us
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Company Phone:
Phone: 480-649-1000
We offer 24/7 emergency Air Conditioner repair service in Mesa AZ.
Service Hours:
Monday- Sunday 7 am-7 pm
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