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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.
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Category: Air Conditioning pg. 4

Category: Air Conditioning pg. 4

Archive for the ‘Air Conditioning’ Category

HVAC Systems are Less Efficient than You Think

Tuesday, July 30th, 2013

At John’s Refrigeration we pride ourselves on outstanding customer service, in addition to heating and air conditioning service. Whether you’re selecting a new air filter or a new HVAC system, we are here to guide you through the process. When it comes to selecting a new HVAC unit, we want our customers to choose a product that is best for them, their home and family.

The reality is that HVAC systems are less efficient than you think.

What is a SEER Rating? The SEER Rating is the Seasonal Energy Efficiency Ratio. It is the rating of the HVAC unit cooling output during a typical summer divided by the total electric energy output during that same time. The higher the SEER rating is, the more efficient the unit.

Homeowners often use a SEER rating as a benchmark for selecting a new unit. The problem with using this as a benchmark is in understanding how the SEER rating is derived.

A SEER rating is derived in a laboratory setting with a steady temperature of 85 degrees with perfectly installed ductwork including proper duct sizing and no leaks.

This is great except there are no homes with this type of environment. The average operating efficiency is 63% of the rated capacity due in large part to improperly sized ductwork and poor system installations.

 

What can be done to make the HVAC system more efficient? As we discuss in Reasons to Renovate a Duct System, the duct system is key to energy efficiency within the home. As much as 20% of the air that moves through the duct system is lost to leaks and improper installation.

At John’s Refrigeration we understand the value of an efficient HVAC system and can help you create an efficient and clean home environment.

Air Conditioner Filters: How to Choose an Air Filter for Your Home

Friday, July 26th, 2013

The dry, dusty Arizona climate makes it especially important to change the air conditioner filters in your home. Indoor air filtration is your first line of defense in achieving good health but is often overlooked. You’ve seen the air filter commercials on television; what the manufacturers don’t tell you is how restrictive some of these filters can be. Restricting air flow makes the system work harder which in turn increases your electric bill.

Resistance and Efficiency: Select a filter that is low resistance and high efficiency. If the filter you use is “sucked” into the space, you are using a filter that has too high a resistance. You’re actually making the system work harder; it’s like it is breathing through a small tube or having an asthma attack – the system has to work hard to cool your home. Less resistance is like breathing without asthma – it is smooth and efficient.

What size do you need? Not all homes or HVAC systems are the same. The proper size filter will help reduce the dust, dirt and other allergens that enter your home through the system. The technicians at John’s Refrigeration can verify whether your current filter is the proper size for the current system and filter selection.

Has your system been serviced recently? At John’s Refrigeration we offer preventative maintenancepackages to help keep your system running efficiently even through the heat of the Arizona summer. We check the HVAC system of your home or business annually making recommendations as we walk through our complete assessment. Regular maintenance means catching issues before they become major repairs.

What is a MERV Rating for an air filter? MERV Ratings measure the ability of an air conditioning filter to remove dust from the air as it passes through the filter. The higher the rating the more particles removed before they reach the air in your home. Ratings range from 1-16. The most common particles are pet dander, dust, smog, viruses, smoke, spores, pollen, bacteria and environmental contaminants such as pesticides. A rating of 5-8 is good for a residence; a rating of 9-12 is better for a residence. Our technicians can verify whether the current filter is the proper size for the current system and filter selection.

Changing the filter: Whichever air filter you choose for your home, it is important to change them regularly, perhaps once a month especially during the high-use, dry, dusty summer. Not cleaning or replacing the air filters causes the system to work harder. The results can be higher utility bills and repair costs.

At John’s Refrigeration, we want you to feel comfortable breathing clean air in your home or business. We recommend the Air Care electrostatic filters Silver Series which are low resistance and 84% efficient.

 

Call us to learn more about these filters and any HVAC questions and concerns.

 

 

Ways to Stay Cool in Phoenix

Wednesday, July 24th, 2013

With temperatures still above 100°, the metro Phoenix area continues to experience extreme heat. We’ve all heard the mantra to drink more water, draw the curtains in your home to keep out the sun, and to limit the amount of time spent outdoors in order to not become overwhelmed by the desert heat. But there are other ways to stay cool in Phoenix, too.

 

  • Something as simple as eating smaller meals, or grazing, instead of eating three large meals a day can help keep you cool. The body has to work to digest what we eat, which heats us up. 
  • Placing a bed sheet in a baggie in the freezer an hour or so before bedtime and then sleeping under or on it can help cool your body temperature down, too.
  • Filling a hot water bottle with ice instead and keeping it near your feet while you sleep also helps.
  • Submerging your feet and/or arms into cool or cold water almost instantly cools our core body temperature. Even the occasional ice cube placed on the wrists offers quick relief.

Years ago, before air conditioning became as commonplace as it is now, people placed bowls of ice in front of fans and the air moving across the ice would cool down a small room or anyone who sat in front of it. Hanging a wet sheet in front of a fan – taking care the sheet doesn’t get pulled into the fan’s blades – also works to cool down an area. These tips would be great to use outdoors on a porch during the hot summer months.

The Center for Disease Control and Prevention states “Air-conditioning is the number one protective factor against heat-related illness and death.” Making sure your a/c is running correctly is what John’s Refrigeration Heating and Cooling does. As your home comfort partner, John’s has Certified Service Consultants ready to help keep you and your family cool and safe. But we’ll still remind you to drink water, too.

Six DIY Energy Saving Tips for Homeowners

Monday, July 22nd, 2013

Making your home energy efficient is complicated business. From sealing and insulation to how we live in our home, there are many ways to lose energy efficiency. At Johns Refrigeration we offer a 51-point inspection of the HVAC system including the ductwork of the home. Our Peak Performance Home Evaluation includes air and pressure balancing or pressure checks, an option for incorporating a fresh air component to the system and more. As a homeowner, there also things you can do to make your home more efficient.

Did you know? As much as 80% of energy savings comes from 20% of needed repairs which is why we offer the following six DIY energy saving tips for homeowners:

  1. Sealing around wall or ceiling registers: By sealing the registers you are helping to eliminate dust, dirt, pollen, other contaminants and hot air from entering your home via the attic and air-conditioning system.
  2. Insulating and sealing the attic hatch is a forgotten task for many homeowners. It’s a place where air can be lost or drafts can occur decreasing the efficiency of the HVAC system and increasing energy costs to you.
  3. Install shade screens on the outside of the home. This actually has a greater return on investment (ROI) than replacing windows and doors, at least here in the Arizona desert. The shades prevent the sun from heating the home as much as its non-shaded counterparts. It will take less energy too cool it saving homeowners energy costs.
  4. Stop closing doors. Many homeowners are under the false assumption that closing doors helps save energy when the opposite is actually true. Ideally the entire home should be at a neutral pressure. Closing doors causes a positive or negative environment which causes cool air to escape or brings hot air and contaminants in from outside the home. Keeping the doors open helps keep pressure closer to neutral and your system working more efficiently saving you money.
  5. Programmable thermostats are a great way to regulate energy use and utility cost. Some even have the option of controlling the HVAC system right from your cell phone! Check out our article about selecting and installing the right thermostat for your home.
  6. Choosing the right air filter can not only make your home energy efficient, it will also lower your energy costs. Select a filter that is low resistance and high efficiency. If the filter you use is “sucked” into the space, you are using a filter that has too high a resistance. You’re actually making the system work harder; it’s like it is breathing through a small tube or having an asthma attack – the system has to work harder to cool your home. Less resistance is like breathing without asthma – it is smooth and efficient. We recommend the Aire Care filters which are low resistance and 84% efficient. Call us to learn more about these filters.

 

If you have questions or concerns about these energy saving tips and the energy efficiency of your home, please contact us at 480-648-2400 to schedule an appointment.

Air Conditioning Repair Phoenix

Thursday, July 18th, 2013

Because of the extreme heat we experience during the summer, air conditioning repair in Phoenix is an important facet of everyday life in Arizona. Hiring a reputable company that can fix your home’s a/c unit quickly is also vital. When the outside temperatures reach 115°, the temperatures inside your home can quickly soar, too. According to the National Weather Service, heat kills more people in the U.S. than tornadoes, hurricanes, floods, and lightning combined, making summers in the Valley of the Sun a dangerous prospect without air conditioning.

In Phoenix’s desert climate, air conditioning is the backbone of our existence. Heat tolerance only goes so far and no one wants to be hot in their home. Staying insulated from the heat in a climate controlled environment is why you should call John’s to repair your home’s a/c. We will look at the entire HVAC system, make recommendations before beginning any repairs, and present you with a guaranteed price up front so there are no surprises later on. And all of our repairs, parts and labor come with a two-year warranty.

 

Our Service Consultants aim for 100% customer satisfaction.

John’s Refrigeration Heating and Cooling will send a Service Consultant to your home the same day if you have problems with your cooling unit. Our goal is to make your home as comfortable for you as you want as quickly as we can. We’ve been in business in the Phoenix area since 1970, so our certified technicians know all there is to know about air conditioning repair. We know exactly what to look for and how to fix it so that you and your loved ones are safe, cool, and happy.

John’s Refrigeration Heating and Cooling is a family business that treats you like family…25 hours a day, 8 days a week. We want our families to be cool and comfortable and we want the same for you and your family.

Monsoons, Haboobs and Air Conditioning: Phoenix Dust Storms

Friday, July 12th, 2013

Arizona’s official monsoon season is June 15ththrough September 30th. These storms range from minor dust storms to intense thunderstorms. The monsoon usually starts with heavy winds, which can turn into a wall of dust hundreds of feet high moving across the Mesa area Valley. Phoenix dust storms, called haboobs, are often accompanied by thunder and lightning and sometimes lead to heavy downpours. It’s the only season during which Arizonans don’t use the phrase “it’s a dry heat”.

The Arizona Division of Public Health Services describes AZ heat as “more than a nuisance – it is lethal.” And the severity of annual monsoons affects our roadways – including driving visibility and flash flooding – as well as air quality. A 10,000 foot-tall wall of dust, 30 or more miles wide can do a lot of damage, especially to a home’s HVAC system.

Since a home’s air conditioning system filters the outside air, the dust storms that are part of a monsoon can put strain on your unit, making it work harder and less efficiently. Because the a/c unit may run longer than normal due to the higher humidity, homeowners may need to lower the thermostat setting in order to keep comfortable. 77 degrees in a 50% humid home does not feel good.

Cleaning the unit’s condensate drain will help keep your HVAC system clean and clear out any debris, which makes the unit more efficient. Not cleaning the drain out can put so much strain on the system that it can cause damage. Air conditioning pulls humidity out of the air while it cools, and that moisture has to go somewhere. Making sure your unit’s condensate drain is clean and clear of debris will prevent the drain from overflowing and potentially causing property damage (from a ceiling caving in, for example).

When the electricity goes out during a monsoon, it’s best to turn your air conditioning unit off so there’s not a huge power draw when the electricity comes back on. In fact, investing in surge protection is also a wise move, considering your a/c is the biggest power draw in your home.

You should call John’s Refrigeration Heating and Cooling if you have issues with your a/c unit during the monsoon. After all the dust has settled, make an appointment to have our certified technicians check your home’s HVAC, including duct work and air quality, to ensure your family is breathing fresh air. After all, we are your indoor comfort specialists.

Yard Sign AC Promotion: $10 Off

Friday, July 5th, 2013

John’s Refrigeration Heating and Cooling handles new installations, expert repairs, and ongoing maintenance. We offer many other home comfort services, too, including home performance testing, air balancing, humidification, a central air conditioner refrigerant charge, and air flow optimization. John’s is also authorized by both SRP and APS for duct testing and repair.

And we are excited about a new promotion that offers our customers a discount off any kind of work done by John’s. Let us put a promotional sign in your yard for one week and in exchange, we’ll take $10 off your bill! This can be an AC promotion or any other work you need done. We’ll let you keep the sign longer than that and we hope you’ll want to. The sign tells your neighbors you trusted John’s enough to provide the expert service for which we’re known on your own house.

 

 

Because John’s repairs all makes and models and all kinds of heating and cooling systems, including central air conditioning, ductless air, heat pumps, and gas furnaces, what better time is there to ensure you and your family remain cool in the record breaking heat we’ve already experienced this summer? We fix it right the first time so you stay cool and comfortable all summer long.

We also offer two levels of AC Preventative Maintenance and Heating System service, a 21- and 51-point inspection, and we back all of our repairs, parts and labor, with a two-year warranty. So, for the best and most reliable service, contact John’s Refrigeration today and we’ll take $10 off your bill just for allowing us to place one of our signs in your yard after any service, repair, or installation!

At John’s Refrigeration, we’ll make it happen.

 

Tips to Keep Your Pet Cool from John’s Refrigeration Family Heating and Cooling

Wednesday, July 3rd, 2013

 

With the heat warnings in Phoenix, John’s Refrigeration your family heating and cooling company, would like to consider your furry family members. When you are hot, they must be miserable. After all, how would you like to be outside in a fur coat?

Pets die every year from heat stroke according to the Humane Society, and the worst part for pet owners is knowing it was preventable.  John’s Refrigeration gives quick and easy tips on preventing these tragedies by explaining how to help keep four-footed furry friends cool.

 

  • Never leave your pet in your car. It takes very little time for a car to heat up: In 100 degree weather, it takes only 15 minutes to get to 140 degrees inside the car.
  • Keep your pet hydrated. Supply a large bowl full of water in the shade. Make sure it’s fresh to keep out germs from birds and bugs.
  • Make sure your pet has plenty of shade. Especially if they are bound to a limited space.
  • Do not run with your pet during the hot part of the day. Dogs are so loyal, they will put themselves at risk if we ask them to.
  • Spray your pet down with cool water before leaving for work.
  • Know the signs of heat stroke and call your veterinarian right away. DANGER SIGNS: rapid panting • bright red tongue • red or pale gums • thick, sticky saliva, depression • weak/dizzy • vomiting/diarrhea • shock • coma. An overheating dog may appear sluggish, unresponsive or disorientated. Gums, tongue and conjunctiva of the eyes may be bright red. Eventually he will collapse, suffer a seizure and may go into a coma.
  • If you think your pet is suffering from heatstroke, immediately remove him or her to a cool, shady area. Try to lower the animal’s temperature by placing in cool, not cold, water. Apply ice to the head and neck. Get to a veterinarian as soon as possible–follow-up care will be critical to survival.

 

118° and Your Air Conditioning

Friday, June 28th, 2013

Just like your body works harder when it’s hot out, so does your air conditioning system.

The average air conditioning system moves 9,000 pounds of air every hour.  So you can imagine that when we hit our extreme temps of 110° plus it takes a toll on the system.

So what can you expect?

The design temp for air conditioning systems in The Valley is 75° inside and 110° outside.  When the temps are over 110° the unit is technically too small to keep up.  Two things can happen:

  • The unit will not shut off. It may run for hours to keep the set point, but that’s OK.
  • If your unit is old, marginally sized, or you have a high load in the home it may run continually and the inside temp will increase. Unfortunately there is not really anything you can do.  Just wait it out.  There may not be anything wrong other than it’s just too hot out.

So how can you help?

Don’t do things in the home that create heat like cooking or using the drier.  No hot showers or using the dish washer.  Keep the exhaust fans off, and keep the blinds closed as much as possible.

If you are going to be entertaining you really should turn the A/C down before everyone arrives, that way you get a head start on the extra heat load on the home.

Make sure your filters are clean and all the interior doors are open.

Remember, don’t panic, a couple of degrees above set point may not mean a problem. Any more than that be sure to give us a call.

24 Hour Emergency Service • Call Us Today • (480) 648-2400 • or • Fill Out Our Online Form
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Mesa, AZ 85210
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