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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.
John's Refrigeration is now hiring qualified Air Conditioner technicians in Gilbert AZ.
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
John's Refrigeration is in your  community with our Gives Back program
We are donating $1000 to the organization that gets the most votes! Vote Now
You can vote once per day!

Category: Air Conditioning pg. 3

Category: Air Conditioning pg. 3

Archive for the ‘Air Conditioning’ Category

3 Common Problems with Thermostats

Monday, July 20th, 2015

If you live in Mesa, AZ, chances are you’re very familiar with your thermostat, especially during those summer months when the temperatures soar. Your thermostat provides absolute control over your heating and air conditioning system. That means that when something goes wrong it with, it can affect your entire home. The good news is that those problems can be fixed by a trained technician. The bad news is that you have to be able to spot the problems first. Here are 3 common issues with thermostats that you should look out for. (more…)

AC Efficiency: Don’t Let the Other Guys Fool You

Wednesday, November 19th, 2014

When it comes to the safety, comfort, and energy efficiency of your home, don’t let the other guys fool you into thinking they have the best deal or service for your AC efficiency. Do your homework. Ask questions. And choose an A/C company that is reliable, trained and certified, and focused on customer care. (HINT: That’s the team at John’s Refrigeration)


You get what you pay for

You’ve probably heard that phrase a number of times from a number of different people, but what does it really mean? It means that on the front end you might choose an HVAC company based on price and you end up having to call another company to fix the AC efficiency problem – either the original problem or a new one. John’s has a commitment to quality workmanship and customer satisfaction that influences every decision we make.

We offer a 100% satisfaction guarantee on all of our services, have an A+ rating with the Better Business Bureau, a 2011 Angie’s List Super Service Award, and were awarded the 2013 Gilbert Chamber of Commerce Family Business of the Year award. In other words, John’s can back up what it says and is worth the cost.

Commitment to Service

We are dedicated to making the air in your home safe and comfortable for you and your family. We work with you until you are 100% satisfied with our work.

Our certified technicians will perform a complete inspection of the HVAC system so that we understand where there may be a need for repair in order to maximize your AC efficiency. We want you to be able to make an informed decision about the level of service we will provide to you.

The inspection includes the unit as well as the ductwork and can, as requested or as part of the Peak Performance Club, test indoor air quality and carbon monoxide levels.

Red Carpet Treatment

We understand HVAC work is a dirty job and we’re committed to keeping your home clean. Each time our technicians visit your home, they will literally roll out the red carpet and cover their shoes before entering your home. In the month of October, we covered our shoes with pink covers to support Breast Cancer Awareness Month. This is just one of the ways we support the community.

Community Involvement

We’re active members of the Gilbert Chamber of Commerce and our own Andrew John is a member of the Board at East Valley Institute of Technology (EVIT).

Service is about more than a great price. It’s a commitment to customers and community. The next time you need an A/C professional, Just Call John’s. We’re here to help

What is a radiant barrier and is it worth the cost to install in your home?

Wednesday, November 12th, 2014

The Department of Energy describes a radiant barrier as a highly reflective material that reflects radiant heat rather than absorbing it. It is installed in homes, usually attics, to reduce summer heat gain and reduce cooling costs.


Sounds great, especially for the Arizona summer, at least in theory. Before you’re sold on the idea, let’s look at whether or not a radiant barrier is worth the cost.

  1. The easiest homes to install radiant barriers are new builds. In an existing home, it is best to install in an open attic.
  2. As with A/C units, the efficiency is dependent on the installation. While you can install yourself, we recommend hiring a RIMA International certified installer who understands which type of barrier is best for your home and the proper place for installation.
  3. Choose the type of barrier that is most appropriate for your climate and home. Radiant barriers are available in reflective foil, reflective laminated roof sheathing, and metal roof shingles. In Arizona, it is recommended that you use reflective foil.
  4. Location of the barrier is as important as the type of barrier you select. Simply laying a foil barrier on the attic floor will not be effective as it will gather dust, dirt, and other contaminants quickly.
  5. Other factors to consider are the cost of hiring a contractor for installation, the size of your house, and how accessible the attic is.

As with any home improvement project, it is important to ask a lot of questions of professionals as well as from your neighbors and friends. You also want to research the options yourself so you’re an informed consumer.

For questions about radiant barriers and other ways to make your home more efficient, contact the team at John’s Refrigeration and download our e-book today!

Energy Efficiency – Will this DOE change matter?

Wednesday, November 5th, 2014

In an effort to continue making American homes more energy efficient, the U.S. Department of Energy (DOE) is increasing the minimum federal standard for air conditioners in the southern United States, including Arizona, from SEER 13 to SEER 14 effective 1/1/2015.


At John’s Refrigeration, we are dedicated to keeping our customers safe and comfortable and will, of course, comply with these changes. We also believe that the energy efficiency of your home depends on much more than the SEER rating of your AC unit.

Let’s start by defining Seasonal Energy Efficiency Ration (SEER)

Seasonal Energy Efficiency Ratio (SEER) is the total cooling output (in British Thermal Units or BTUs) provided by the unit during its normal usage period divided by its total energy input (in watt hours) during the same period. The higher the SEER rating, the more efficient the unit. In theory, the SEER 14 is a more efficient unit than the SEER 13.

The SEER Challenge

The rating is derived in a laboratory setting with a steady temperature of 85 degrees, well below temperatures we see here in Arizona. In addition to the temperature, the testing room has perfectly installed ductwork. In other words, it’s a closely controlled environment that represents almost no home in America or anywhere else.

The Solution

While we believe the SEER 14 units will provide greater energy efficiency, our team of certified and trained technicians will continue to inspect and repair duct systems, as they are the key to energy efficiency. As much as 20% of the air that moves through a duct system can be lost to leaks and improper installation. We strive for efficiency, not only in the units we install, but in the entire system of your home.

Just Call John’s today to schedule a FREE ESTIMATE and learn how we can help you create an efficient and clean home environment.

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

Wednesday, 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.

Air Conditioning Unit or Installer? Tips to Make the Right Choice

Thursday, August 29th, 2013

We are often asked, “What is the right air conditioning unit for me?” When selecting a new heating, ventilating, and air conditioning unit (HVAC unit) for your home it is almost unimportant which unit you select.


Each unit receives a Seasonal Energy Efficiency or SEER rating. The higher the rating, the more efficient the system is. The challenge with the rating system is that is based on a perfect laboratory setting of 85 degrees, perfect duct work and no air leaks. More than likely these conditions do not exist in your home.

The true value comes when you choose the right HVAC installer.

A good company such as John’s Refrigeration, will ask what you want for your home. Factors to consider include the optimal temperature for the occupants, including pets, air quality and energy efficiency. These factors, in large part, have to do with the quality of the installation rather than the actual unit.

Here are Tips for Choosing the Right HVAC Installer:

  1. Licensed and Insured: Your peace of mind, safety and protection mean everything to us. We will show you our $2 million policy so you know we’re serious.
  2. Our technicians take part in ongoing training and education so they understand the latest HVAC trends and technology.
  3. Guarantee of Work Quality: We offer a 100% money-back guarantee to all customers as well as a lifetime workmanship guarantee. We don’t rest until our customers are happy with our work.
  4. We aren’t just going to switch out the HVAC box. We care about finding solutions to your family’s needs and expectations. It is important to us for our customers to establish a safe, healthy and comfortable home environment.
  5. We understand the needs of your family go beyond having hot and cool air on your home at the appropriate times of year. A customized comfort system for your home is about more than switching out the HVAC box.

We review the entire system to find areas of improvement for energy efficiency including the following:

  • Size the unit properly for the size of the home and number and lifestyle of occupants.
  • Identify insulation issues
  • Identify major attic-to-home issues
  • Pressure check and balance air to create an efficient system
  • Address safety and health issues
  • Establish good air quality and distribution

At John’s Refrigeration we understand HVAC installation is about more than switching out the box. We want to help create safe, healthy and comfortable home environment that meets the needs and expectations of our customers.

3 Tips to Fresh Indoor Air Quality with Purification or Filtration

Monday, August 19th, 2013


According to the government’s Energy Star program, “Dirt and neglect are the top causes of heating and cooling system inefficiency and failure. To ensure efficient system operation, it’s important to perform routine maintenance.” The most frequent causes of poor airflow include inadequate return duct and return grille sizing, dirty filters and coils, closed registers, and high pressure loss duct designs and installations.

Ensuring these issues are addressed results in a higher efficiency system, a better heated/cooled home, and lower utility bills. More importantly, though, a clean and efficient system results in cleaner indoor air quality within a home. Filtering pollutants keeps you and your family healthier, which also reduces healthcare costs.



Fresh Air

By incorporating a fresh air component into your HVAC system, this will help ensure a steady supply of clean air while working to keep airborne pollutants out. With a fresh air system in place, a certified technician can check to see if an indoor air quality system might also work to your advantage.

Using the correct type of air filter helps keep your system running efficiently while also keeping the air in your home clean. Installing an electrostatic air filter that attracts and holds airborne particles like a magnet keeps the air inside your home fresher by reducing pollen, dust, and airborne pollutants. Since these filters are designed to be reusable, they save you money in the long run, as well. They are easily cleaned by either vacuuming or hosing off the dirt and are far more efficient than any other type of filter on the market.


Cleaning the Unit

Regularly cleaning an electrostatic air filter or changing a traditional, albeit less efficient, filter cuts down on repair costs and results in lower energy bills. But you should also check and inspect the condensate drain in your central air conditioner, furnace, and/or heat pump (when it’s in cooling mode). If the drain is plugged, it can cause water damage in the house, affect indoor humidity levels, and breed bacteria and mold. All of these issues add to air quality problems and will negatively affect your health.

The blower components should also be cleaned and adjusted in order to provide proper airflow through the system. Proper airflow over the indoor coil is necessary for efficient equipment operation and reliability. Maintaining a flow of clean air throughout the home is the optimal goal. With an efficient filtration system in place and a clean unit, your family will be less likely to be exposed to the airborne pollutants that irritate asthma and other respiratory ailments.

Air Conditioning Appreciation Week

Monday, August 12th, 2013


In honor of Air Conditioning Appreciation Week (which should be a public holiday in Mesa, AZ!) John’s Refrigeration Heating and Cooling would like to point out a few cool facts about air conditioning and why we should be grateful for a/c:

  • The first air conditioner was invented by Willis Carrier for a publishing company in 1902 in order to keep temperature and humidity low so that the paper did not expand and contract. A/C also helped ink to dry faster and smudge free.
  • The term “air conditioning” came from a North Carolina textile manufacturer in 1906 because the technology actually improved the quality and condition of the cloth being made in his plant.
  • During the Depression, movie theatres were one of the few buildings that had air conditioning, making them the coolest places in town. People would flock to theatres just so they could enjoy the cooled air. This is why movie studios started releasing their most lavish productions in the summer, creating the tradition of the summer blockbuster.
  • Before air conditioning, many businesses and industries used to slow down or even stop during the summer because the buildings were just too hot, affecting production. American workers used to get a month-long vacation in August due to these breaks and some European businesses continue this practice.
  • Air conditioning actually helps us live longer, since the cool, controllable environments in laboratories and hospitals have allowed us to create medicines that conquer malaria, inhibit bacteria, and advance developments in surgery.

Have John’s service your system at the beginning and end of each cooling season to ensure efficiency because if you treat your air conditioning unit well, it will continue to give you comfort. We want your family to be cool and comfortable all summer long and our Indoor Comfort Specialists will take the heat out of your summer.

Reasons to Renovate a Duct System: Heating and Air Conditioning Repair

Friday, August 9th, 2013

The efficiency of the HVAC system of your home is dependent on many factors including the duct system. A properly sized and sealed duct system eliminates dust and contaminants as well as hot air from being brought into your home through the air conditioning system. Air conditioning repair isn’t just about the A/C unit. The team at John’s Refrigeration can help you cut as much as 20% from your heating and cooling related energy costs by testing and repairing the duct system of your home.

Did you know?

  • As little as 70% of the work the HVAC unit does actually ends up in your home. This is due in large part to the duct system being inefficient.
  • As much as 20% of the air that moves through the duct system is lost due to leaks or improper installation.
  • Our high quality and experienced home comfort specialists are authorized by SRP and APS for duct testing and repair.
  • You may be eligible for SRP and APS rebates for duct testing and repair services.



Your home may have ducts that are not properly installed if you experience:

  • Extremely high energy bills during the hottest or coldest months
  • Rooms that are stuffy or difficult to keep cool or warm
  • Excessive dust and unpleasant odors

What creates the inefficiency? The duct system is basically like the veins in your body. It carries the air from inside, through the HVAC system and back into your home. If the ducts are not sized properly, or the wrong filter is used, it creates high pressure in the HVAC system similar to high blood pressure in your body when your veins aren’t functioning properly. This makes the HVAC system work harder costing you more money.

Renovating the duct system helps the system run efficiently costing you less money.

Typically HVAC units are placed in the attic of the home. The system pulls air from the house, through the system and back into the home. In the summer the air pushed back into the home is cool and in the winter is warm. An efficient HVAC system will take all the air from the home and return the equal amount of air back into the home and will maintain a season-appropriate temperature

A proper duct system is sized, sealed and insulated properly. Having the duct system sized wrong can create high blood pressure in the system. Many times the duct system is sized wrong but it still working because of leaks. This is why we pay attention to both the sizing and the sealing of the system.

At John’s Refrigeration we want to create a healthy and efficient home environment for you and your family. Contact us today to learn more about testing and repairing the duct system of your home and applying for rebates from APS or SRP.

Tips for the Right Thermostat for Heating and Cooling Your Home

Friday, August 2nd, 2013

If you’re a do it yourself homeowner, you may have bought and installed your own thermostat for heating and cooling. Did you know? Thermostats you purchase at the big box stores are not the same quality and grade we use for our customers.

As an HVAC contractor we are able to purchase contractor grade thermostats that generally have a five year warranty and are higher quality. This isn’t to say the box store thermostat you bought isn’t good for your home. There are plenty of great options.


Here are tips for selection and installation of the right thermostat for your home:

  1. Type of HVAC System: The type of thermostat depends on the type of system you have at your home. The most common are heat pump or gas heat. Some thermostats are universal so it important to check the box before purchasing.
  2. Programmable: Most people choose a programmable thermostat to help manage energy costs. Cool the home when rates are off-peak to save money. There are now thermostats that can be accessed through an app. You can turn the fan on and off and manage the temperature of your home right from your cell phone!
  3. Installation: This may surprise you – We recommend* not looking at the installation instructions for wiring. Simply take a picture of the old thermostat and install the new one the same way. Remember to turn off the air handler before beginning uninstall and re-install.

*If the new thermostat has a C terminal and the old one did not, you need to call us for assistance. Please turn off the breaker to the air handler. If the unit is on the roof, please turn off the entire unit before starting any installation and especially of the old thermostat had a C terminal.

At John’s Refrigeration we want you to feel comfortable breathing clean air in your home. Should you have questions about your HVAC unit or the thermostat installation, please do not hesitate to give us a call!

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 Dr, Ste 2
Mesa, AZ 85210
Contact Us
Schedule your Ductless AC replacement in Gilbert AZ.
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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For your Cooling repair in Mesa AZ, trust a licensed, certified contractor.
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