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Call for reliable Heater replacement in Mesa AZ.
For Heater repair in Mesa AZ, like us on Facebook!
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see what your neighbors say about the Heater repair or installation we performed near Mesa AZ on Pinterest!
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For Air Conditioning repleacement in Mesa AZ, watch our videos on YouTube.
John's Refrigeration is now hiring qualified Furnace technicians in Gilbert AZ.
Call Us Today!
Call John's Refrigeration today for Heater repair service in Chandler AZ
Call for reliable Heater replacement in Mesa AZ.
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Posts Tagged ‘Mesa’

Improper Voltage and Air Conditioning Repair

Friday, September 19th, 2014

Your air conditioner needs a good amount of electricity to operate – this is why it likely has its own circuit breaker in your electrical box. Problems with voltage can affect your whole system, because the system itself and various parts and components all need a specific amount of electricity in order to operate properly. Working with electricity requires training and expertise, so it is not advisable to try and repair electrical problems with your AC on your own. Instead, call the people you can trust for air conditioning repair in Mesa, AZ: John’s Refrigeration.

How Problems with Improper Voltage Can Occur

There are a few ways improper voltage can occur in your system:

  • Faulty wiring – it’s not unusual for the wiring in your system to fray or corrode with use. When wires breakdown, their connection can become faulty, which can result in uneven electrical flow.
  • Failing capacitors – your air conditioner runs on alternating current (AC). This kind of current comes in varying voltages, so in order to smooth out the voltages and deliver an even flow of electricity to the motors in your system, start and run capacitors are used. Start capacitors store electricity and provide the boost of energy (torque) the motors need to start; the run capacitor smooths out the electrical current and flows it to the motors at 1.5 times its normal current. If the capacitors malfunction or fail, the voltage regulation can be interrupted.
  • Issues with the breaker – as we mentioned above, your air conditioner most likely has its own breaker in your electrical box to help manage the amount of electricity it draws. Sometimes the breaker can be faulty and cause the circuit to trip (turn off). A breaker can also be too small to handle the electrical load needed by your AC, which can also cause it to trip. In either case, the voltage isn’t being handled correctly, and the breaker will most likely need replacing.

As tempting as it may be, it is never a good idea to try and repair your air conditioner’s electrical problems on your own; you can put yourself and your system at risk. John’s Refrigeration is here to help with all your air conditioning repair needs in Mesa, AZ, and we are available 24 hours a day, 7 days a week. Having electrical problems? Call us today!

3 Common Heat Pump Repairs

Friday, September 12th, 2014

Heat pumps are ingenious devices, providing both heating and cooling to your home. But like any other heating and/or cooling device, your heat pump will need repair at some point. Our cooling season is much longer than other parts of the country, so it’s not an option to be without AC. This is why it’s important to make air conditioning repairs quickly, and with a company you can trust – like John’s Refrigeration.

Common Heat Pump Repairs

There are some common heat pump repairs that our technicians see with relative frequency:

  • Reversing valve gets stuck – the reversing valve on your heat pump is the component that allows it to switch between heating and cooling. However, this switch can get stuck in a single mode (cooling or heating) or in between. Sometimes repairs can fix problem, but many times the valve will need replacement.
  • Bad solenoid – each reversing valve has a low-voltage electrical component called a solenoid, which helps move the heat pump setting from one position to the other. The solenoid has two wires that can fray, corrode or disconnect, causing the solenoid to malfunction. Solenoids can be replaced, so typically you don’t need to replace the entire valve when experiencing a solenoid issue.
  • Refrigerant leaks – refrigerant leaks can occur in multiple areas of your heat pump system; however, if there is a refrigerant leak inside your reversing valve, the valve will need replacement. Refrigerant leaks can be challenging to locate, and certification is required when handling refrigerant, so it’s important to call a professional for any kind of refrigerant leak issue with your heat pump.

Maintenance Helps Prevent Repairs

Maintenance is a great weapon when it comes to preventing repairs with your heat pump. Why? Your heat pump is thoroughly inspected, including the electrical components, refrigerant levels, the reversing valve, the heat pump controls and the air filter. Components will be adjusted, cleaned and lubricated as needed, allowing your heat pump to run optimally.

Heat pumps can offer your home both heating and cooling, and they can last a long time – but not without proper care. If your heat pump is giving you problems, call the people you can trust for air conditioning repair service in Mesa: John’s Refrigeration.

Ways to Reduce the Strain on Your Air Conditioner

Friday, September 5th, 2014

If you’ve ever had to schedule air conditioning repair for a broken down AC on a hot day, it’s probably an experience you don’t want to repeat. Our air conditioners run for long periods of time here in Mesa, AZ, so it’s not surprising that they may need repairs from time to time. But isn’t there something you can do to prevent problems from occurring in the first place? Here are some of the ways to reduce the strain on your AC, thus decreasing repairs and lowering your energy bills.

Clean Your Air Filters

One of the best ways to keep your air conditioner working its best is by cleaning the air filter about once a month. The air filter is responsible for helping with the indoor air quality by filtering pollutants before they reach your home. But if it becomes too clogged, your AC struggles to work properly, and components may freeze.

Visually Inspect Your Unit

Keep an eye out for anything that may put some extra strain on your air conditioner. Clear any debris away from the outside unit and make sure the vents indoors are not blocked. Listen for unusual noises, and keep an eye out for ice on the coil, thermostat trouble, or high energy bills. Call a technician at the first sign of problems.

Program Your Thermostat

Instead of keeping your air conditioner running all day, use the programmable thermostat to set your AC to a comfortable temperature while you are home and a higher temperature while you’re away. You can even set your unit to adjust to your preferences 30 minutes before you come home, so you’re greeted by a cool house. If you do not already own a programmable thermostat, call an air conditioning technician for installation.

Schedule Regular Maintenance

Just as you should regularly service your car, your air conditioner needs regular attention as well. When you call for air conditioning maintenance, a technician will inspect and clean various components of your system. This is useful because dirty coils often lead to repairs and inefficiency, as do other issues found during maintenance, such as a clogged condensate drain.

If you want to schedule air conditioning maintenance in Mesa, AZ, or if you have any concerns about air conditioning, call Johns Refrigeration today!

Sounds That Can Mean It’s Time for Air Conditioning Repair

Friday, September 5th, 2014

One of the easiest ways to tell that it’s time to call an expert for air conditioning repairs is if you hear unusual sounds from your air conditioner. You’re used to the sounds of the compressor starting outside and the familiar humming noise indoors, but anything strange can signal trouble. Don’t ignore the warning signs of a failing system. Even a small repair can cause big problems for other parts of your air conditioner.

Here Are Some Troubling Sounds to Listen for That Indicate It’s Time to Repair Your Air Conditioner

  • Hissing: A hissing noise may indicate a refrigerant leak. Refrigerant is a chemical blend that continuously cycles through your system whenever it is turned on. Refrigerant actually absorbs the heat from your home, which is how the air is cooled. And while the heat dissipates outdoors, the refrigerant will not—unless there is a leak. Without refrigerant, your home may never reach the desired temperature, and other important components of your system may suffer as well.
  • Banging/Clanking: A loud banging or clanking noise can have many different sources. A loose, bent, or otherwise damaged fan blade from the indoor or outdoor fan may bang against the inside of the unit, causing wear and tear to your system and inhibiting the airflow that is necessary for heat exchange. The banging noise may also indicate compressor damage, which requires the immediate attention of an air conditioning technician.
  • Buzzing: A buzzing sound often indicates an electrical problem, such as a problem with the wiring, the motors, or a capacitor. A loose contactor may affect the capacitor, so that the motors in your system do not receive enough electricity to operate properly. You should not attempt to diagnose or fix an electrical issue on your own.

While this list can give you a good indication of what a noise may mean in your air conditioning system, you should allow a professional to pinpoint the problem. Do you need air conditioning repair service in Mesa? The experts at Johns Refrigeration are trained to recognize repair needs and find the source of the problem to get your air conditioner running like normal. Give us a call today!

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

Friday, 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.

What is the Condensate Pan?

Friday, July 25th, 2014

When you have a glass of cold water on a hot day, condensation forms outside of the glass as the water comes into contact with the warm outside air. Similarly, the evaporator coil of your air conditioning system collects condensation that needs somewhere to go as it forms. This is where the condensate pan comes in, an important component of the air conditioning and dehumidifying process.

Your split system air conditioner has two major components, the indoor evaporator unit and the outdoor condenser unit. As refrigerant cycles throughout your home, heat is absorbed at the evaporator coil and released at the condenser coil. Cool air is supplied to your home as a fan blows warm air over the cool evaporator coil. But this process not only cools your home; it also removes some humidity from the air to keep you comfortable. If there is moisture in the air, it collects on the evaporator as condensation when warm air blows over the cool coil.

Of course, this moisture needs somewhere to go. Condensation must drain quickly so that it does not overflow or back up into your system. First, it flows into the condensate pan, a shallow tray that collects water before it moves to the condensate drain line. The water then drains either outdoors or directly into a drain pipe.

One common air conditioning problem often caused by the condensate pan is water leaks. If your air conditioner is leaking it is most likely due to the condensate pan or drain. There may be cracks or tears in the pan, which would then need replacement. Alternatively, the drain line may clog, which means water backs up into your AC or overflows into your home. An AC technician can repair these leaks and check for other damages to your system.

Air conditioning repair and maintenance technicians are the best people to call when you run into leaks or other problems with your air conditioner. Call Johns Refrigeration for more information or to schedule air conditioning service in Mesa.

AC Services You May Need During the Summer

Friday, July 4th, 2014

The summer is the time of year when you need to take care of your air conditioning the most, because it’s the time that you need it to take care of you the most. A harsh summer in Arizona can almost refine harsh, and you need to have a good company ready to provide you with AC service in Mesa, AZ when your comfort comes under threat.

Here are some services you might need for your air conditioner during these summer months. Call Johns Refrigeration for the quality work from NATE-certified technicians that will keep your AC humming away.

Some Services for the Summer Air Conditioning Season

  • Maintenance: If at all possible, you should have maintenance done for you air conditioner in the spring, before the heavy summer heat hits. However, if you didn’t get it done during the spring, it’s never too late schedule it! (Please, don’t decide to put it off until “next year.” Skipping even one year will result in a loss of efficiency and puts the system at risk of repairs or even a breakdown.) A maintenance visit won’t take long, and it will make sure that your system will be able to make it through the rest of the summer providing you with efficient performance.
  • Thermostat upgrade: If you want an improvement in your air conditioner’s cooling and efficiency, you can upgrade your thermostat—it’s an easy way to increase performance without needing to have a major interruption in service. If you have an older manual thermostat, than upgrading to a digital programmable model will give you a level of precision that will save energy and deliver better comfort. You can also upgrade to a Wi-Fi thermostat and control the temperature in your house from wherever you have a wireless connection.
  • Repairs: No matter how well you maintain your AC, it can still encounter malfunctions that will cause serious inconvenience to you if you don’t act on it quickly. The moment you receive a warning from your air conditioner that something is amiss—odd noises from the cabinet, acrid smells from the vents, drop in airflow, ice appearing along the indoor coil, compressor shutting off early—call for repairs. Remember, the sooner you have repairs done, the more future repairs you avoid.

Preparation is the best way to stay cool with your air conditioner during an Arizona summer: call Johns Refrigeration today and schedule a maintenance visit; the peace of mind alone is worth the investment.

You can call us for any AC service in Mesa, AZ you need.

3 Common Problems with Air Conditioning Blowers

Monday, June 30th, 2014

It’s hot here in Mesa, with average daily temperatures landing somewhere between 104-105 degrees. Clearly, this is not the best time of year for your air conditioner to breakdown, but it does happen. A common area in which breakdowns occur is the indoor unit, also known as the blower or air handler. This unit houses a fan and the evaporator coils, and is responsible for blowing the cool air into your home. Different problems can affect the components in the blower as we’ll outline below, but all can lead to air conditioning repairs in your home.

Fan Issues

The fan in your blower can experience a few different problems:

  • Motor issues – motor can overheat or burnout
  • Electrical/wiring issues – wires and connections can corrode and fray, which may impair connections and delivery of electricity
  • Problems with loose or bent fan blades – fan blades can bend, loosen or break, which may interfere with other parts of your system

Any of the above problems can cause your blower’s fan to either slow down or stop turning completely. The result is low/no airflow in your system, which can cause warm air to blow through your air conditioner vents, or none at all.


Air flow, as mentioned above, is very important in the operation of your air conditioning system. One of the biggest culprits of air flow obstruction is a dirty air filter. The air filter constantly collects the dirt and dust in your system, so it can become dirty rather quickly. Once the filter is fully suffused with both kinds of particles, it can no longer filter and can obstruct the air going into your system. Low air flow can lead to warm air, icing and other problems.

Dirty Coils

The evaporator coils can gather dust and dirt, and if not cleaned at least once a year, these particles can form a layer that acts as insulation on the coils, inhibiting the heat release and cooling cycle. This can result in warm air and/or ice formation on the coils.

Don’t Blow Up Over Your Blower

Many of the issues we’ve outlined above are addressed during a routine maintenance appointment, so scheduling annual maintenance can go a long way toward preventing these kinds of issues from developing. However, if you do experience a problem with the blower of your system, be sure to call John’s Refrigeration for air conditioning repair service in Mesa, AZ. We’ve been helping customers with their air conditioning since 1970, and we understand how important it is to fix your blower quickly and correctly. Call us today!

How to Improve Your Air Conditioner’s Efficiency

Friday, June 27th, 2014

Air conditioning in Mesa gets tested every summer, as temperatures climb to triple digits and we need our homes to feel cool and comfortable. A lot of us are used to paying higher monthly rates on our energy bills because of this increased use. But while higher bills are inevitable when the mercury rises, are you sure they’re not higher than they need to be? If you know how to improve your air conditioner’s efficiency, you can cut into those pesky bills without skimping on the cool air you need to keep your home comfortable this summer. Besides common-sense tips like dressing in light clothes and setting your thermostat slightly higher than you normally might.

Here Are Some More Extensive Tips to Cutting Those Costs Down

  • Schedule a maintenance session. Maintenance sessions act like a tune-up for your air conditioner. The technician cleans off dust and dirt (which reduces friction and wear), tightens loose bolts (which prevents wasted energy) and recharges refrigerant levels (which will improve efficiency). If further repairs are needed, he or she can note them and set up a schedule before the problem gets out of hand. You’d be surprised home that can improve your system’s performance and cut down on monthly bills.
  • Add insulation. It may sound counter-intuitive, but insulation keeps hot air out in the summer as well as it keeps warm air in in the winter. Adding more will allow your house to retain cool temperatures for longer, easing the burden on your air conditioner and lowering your bills in the process.
  • Add a zone control system. This is a series of vales and controls placed throughout your duct system that lets you alter the temperature in different rooms and even turn off the air conditioner in those parts of the house you aren’t using.

For more ways to improve your air conditioner’s efficiency, or to schedule a repair session for your air conditioning in Mesa, call upon the experts at Johns Refrigeration. We have the skills you need to do the job right, so don’t hesitate to contact us today!

Plan for Air Conditioning Repair Services Now

Wednesday, April 30th, 2014

Arizona’s summers are nothing to sneeze at and without a reliable air conditioning system, your house could quickly turn into a sauna when the temperatures start to rise. Here in Mesa, air conditioning repair services need to be on the ball and ready to go at a moment’s notice, but it helps if you the homeowner can anticipate and prepare for the kinds of problems that repair technicians face. The spring is an excellent time to start that process, and if you plan for air conditioning repair services now, you can save yourself a lot of grief later.

One of the best ways you can do that is to schedule an air conditioning maintenance session, in which a trained expert examines the system for any potential problems. That helps you get a jump on lingering issues before they disrupt your service, as well as letting you schedule the repair session at leisure, before the heat of summer hits and you need the problem to go away as quickly as possible. Maintenance sessions also clean up dust and repair any loose bolts or fittings, which improves the unit’s efficiency and helps save money on monthly utility bills.

Another good way to plan for air conditioning repair services is to perform an energy audit on your home and look for ways to improve its efficiency. For example, you may be able to add more insulation to help retain cool air better, or patch up cracks under your doors or windows with the use of weather stripping. Not only will it make your home more comfortable, but it will reduce the strain on your air conditioner, lowering the chances or a major repair session.

If you plan for air conditioning repair services now, you’re not necessarily eliminating all chances of a breakdown, but you are ensuring that such repairs are less likely to raise their heads. And if you do it in the spring, before the heat index starts to rise here in Mesa, air conditioning repairs don’t become the emergency that they might otherwise. For more on how you can get a jump on trouble this summer, give the Mesa air conditioning repair experts at Johns Refrigeration a call. You’ll be glad you did!

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