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Overcharged

Posted on June 11, 2014 at 4:10 AM Comments comments (56)
According to recent reports, there is an abundance of units that show symptoms of not cooling, freezing and so forth.The homeowner's ac unit or heat pump has actually been overcharged. If your unit is not cooling, we have instruments that can measure superheat and subcooling temperatures and make sure the unit is charged to manufacturer's specifications. Overcharging a unit can shorten the life. If your unit is cooling well, it does not need to have the refrigerant tinkered around with. It does need to be inspected, filters changed regularly, airflow checked, wiring checked, volts and amps, evaporator condensation clogs and leaks, and others. 

Adding Freon

Posted on May 15, 2014 at 11:34 AM Comments comments (40)
Adding Freon

DuPont came out with a product called r-22 Freon. There are several manufacturers of refrigerant and it will be called r-22. Older units like mine use r-22.
Some of the ac's don't cool because not enough refrigerant, but there are other reasons that should be checked also. 
Like a couple of folks I visited had huge holes in their duct work.
Some coils have been dirty. 
I have seen airflow blocked because of plastic bags of stuff being place in front of the return air vent.
I talked to folks that not only did not change the filter, but did not know how to or where it was.
This year I have seen fans working but compressors not working.

I buy enough refrigerant to get a pretty good deal and charge a "lower than most" price.
I weigh the refrigerant that I put in. I know how many pounds, but always round down because unless we have our scales certified and re-certified,we shouldn't charge by weight, but  we are not in the business of getting you cool.I use "add refrigerant" and how much I charge. I use forty dollars a pound as a guideline. (at this time) Some people indicate a hundred dollars a pound. They include their higher overhead to stay in business.
My overhead is lower.
Call or text to save money.205-215-0553

Lawn Mower Blues

Posted on March 27, 2014 at 2:25 PM Comments comments (35)
This is not about a/c but it is Spring and we are getting the house and yard ready, so here goes. Lawn Mower says "Guaranteed to start every time".It lied.No big deal it is either air filter or spark plug. I inspect air filter and it is ok. Now I will remove the spark plug. Not so fast. The wrench is too short. I can't grip the plug and turn it. I go to the hardware store and get a longer spark plug wrench that also fits two different sizes. Neither is  the right size. I call Kholer. Is this metric? Yes 18mm. I go to auto parts store. No 18 mm deep socket.. Just 17mm and 19mm and every other size. Three different places give this answer. Now to the small engine repair place. Spark Plug is five dollars and they have the wrench. They happened to order some Kholer plugs. Praise the Lord. Now I'm ready. It only took two and a half hours. I change plugs every year and it usually takes two minutes.

Maintenance Checklist

Posted on March 26, 2014 at 10:09 PM Comments comments (32)
Maintenance Checklist
Maintain your equipment to prevent future problems and unwanted costs. Keep your cooling and heating system at peak performance by having a contractor do annual pre-season check-ups. Contractors get busy once summer and winter come, so it's best to check the cooling system in the spring and the heating system in the fall. To remember, you might plan the check-ups around the time changes in the spring and fall.A typical maintenance check-up should include the following.
  • Check thermostat settings to ensure the cooling and heating system keeps you comfortable when you are home and saves energy while you are away.
  • Tighten all electrical connections and measure voltage and current on motors. Faulty electrical connections can cause unsafe operation of your system and reduce the life of major components.
  • Lubricate all moving parts. Parts that lack lubrication cause friction in motors and increases the amount of electricity you use.
  • Check and inspect the condensate drain in your central air conditioner, furnace and/or heat pump (when in cooling mode). A plugged drain can cause water damage in the house and affect indoor humidity levels.
  • Check controls of the system to ensure proper and safe operation. Check the starting cycle of the equipment to assure the system starts, operates, and shuts off properly.
Cooling Specific
  • Clean evaporator and condenser air conditioning coils. Dirty coils reduce the system's ability to cool your home and cause the system to run longer, increasing energy costs and reducing the life of the equipment.
  • Check your central air conditioner's refrigerant level and adjust if necessary. Too much or too little refrigerant will make your system less efficient increasing energy costs and reducing the life of the equipment.
  • Clean and adjust blower components to provide proper system airflow for greater comfort levels. Airflow problems can reduce your system's efficiency by up to 15 percent.
Heating Specific
  • Check all gas (or oil) connections, gas pressure, burner combustion and heat exchanger. Improperly operating gas (or oil) connections are a fire hazard and can contribute to health problems. A dirty burner or cracked heat exchanger causes improper burner operation. Either can cause the equipment to operate less safely and efficiently.
Actions To Do Yourself
  • Inspect, clean, or change air filters once a month in your central air conditioner, furnace, and/or heat pump. Your contractor can show you how to do this. A dirty filter can increase energy costs and damage your equipment, leading to early failure.
  • Source:EPA Energy Star website

Duct Work Should be Inspected and Repaired

Posted on March 26, 2014 at 10:01 PM Comments comments (51)
Click here to learn more       Ducts account for a lot of energy loss and you can do something about it.

When and What To Replace

Posted on September 18, 2013 at 1:23 PM Comments comments (31)
When to replace and what to replace
 
From American Standard Heating & Air Conditioning FAQ (from website)
Q: I need to replace my air conditioner, but my furnace works just fine. Is it true they need to be replaced at the same time?
A: Think of your air conditioner and furnace as part of a total system. That system will work better, longer and more efficiently if all of its components are matched in capacity and efficiency. By the same token, a mismatched system—one that mixes old technology with new—could decrease system performance and overall comfort.
For example, your new air conditioner will be capable of reaching a certain SEER efficiency rating. Because SEER is determined by a complete system combination, if your existing furnace and indoor coil are older or don't match in efficiency and capacity, you might not get the efficiency level you paid for or be able to receive accurate information on what your rating actually is. Plus, an older indoor coil may even be dirty and clogged with particles, meaning more energy will be required to push air through the system.
 
From Goodman, A Repair or Replace Guide  (please Click)
 
Energy Star Information (please Click)
 
BOJIFFY is an Independent Contractor and offers brands to fit your needs and budget.
Financing on Heat Pumps for qualified clients offered through Alabama Power

Dead Compressor What Now?

Posted on September 9, 2013 at 4:59 PM Comments comments (36)
When To Replace
In my neighborhood, There are many vehicles showing up to work on Heat Pumps and Air Conditioners. Many people have systems that are designed to be phased out, and the units may not be that old. There are several times that you should evaluate your decision on whether to pay for a major repair or continue to fix leaks.
Have you ever heard of an auto accident where the car was totaled? How was that decision made? The car value was depreciated because it likely had lost economic value anyway. Factored into the value would be reliability, usefulness, gas mileage and so forth. The market determined this.
With Indoor Air Quality, similar forces come into play You have an R-22 (refrigerant) unit that is inefficient when it is working correctly. It uses an environmentally blacklisted refrigerant. When it leaks it is polluting the atmosphere. Then it quits working, It has a bad compressor. That is a major repair. Now you have to decide whether to fix it or something else. We’re not talking a one or two hundred dollar repair. That would be like new tires on a car  We’re talking putting a new engine in.here  and the brakes and tires are worn , old battery and so on. Maybe they won’t have the parts at some point.
 
Not only is the compressor motor often the most costly part in the system, but it is not a simple "bolt-in" replacement. The service technician will:
  • Confirm that the compressor has failed and needs replacement. Often the circuit breaker would blow because the compressor was shorted out or grounded.
  • Identify the compressor model and capacity so that a proper replacement can be obtained
  • Shut down the air conditioning system, including turning off electrical power
  • Remove all refrigerant from the system. Modern procedures require that the refrigerant be captured rather than released to the environment in order to reduce environmental pollutants
  • If the air conditioner system used a now-obsolete refrigerant such as R11 or R22, a the new compressor will be one designed to use a new, approved refrigerant and other changes may be needed to the system to accommodate this change, such as changes in thermal-expansion valves, coils, or other components. Not all components need replacement, however; ducts and blower assemblies, for example, are retained.
  • The refrigerant lines are  separated. and the old compressor is removed.
  • The new compressor is installed in place in the compressor/condenser unit (usually all of this equipment is located outside).
  • and its refrigerant lines are connected (brazed with  silver solder) to the existing refrigerant lines
  • .Nitrogen is pumped into lines during brazing.
  • New coils or other controls may need to be cut out and replaced if the refrigerant is being changed too.(should be but if so would you not have replaced the unit?}
  • A vacuum is pulled on the entire system both to evacuate all air from the refrigerant lines and compressor and to check for leaks in the system. Air contamination, if allowed to mix with the new refrigerant would change its operating characteristics and would prevent proper operation. A flush is used on burnouts
  • Any water or moisture in the system is also removed and the technician may install a drier  in the system to remove any trace moisture that remains behind after reassembly. A special HVAC compressor burnout dryer / filter may be installed on the refrigerant line(s) to provide extra debris and moisture and oil filtering capacity to protect the new equipment from debris clogging. Capillary tubes and TEVs as well as coils and compressors are vulnerable to damage from debris, stray oil, or water in the system.
  • Refrigerant is added to the system at the proper charge amount. Residential air conditioner systems use a hermetically sealed compressor motor  not designed to be reaired.The charge must be measured precisely (including temperature, pressure, and volume during charging) for the system to work properly. Both overcharging and under-charging refrigerants will lead to improper system operation.
  • The air conditioning system, with its new compressor installed, will be re-started and checked for proper operation.
  • Skip any of these steps and it could run and cool, but  you could have problems down the road just like now..
  • “The Techs got in and out fast and we were cool quick”. REALLY?
Future topic: Why not just replace the outside unit?
Portions of the above were inspired by  www,Inspectapedia.com

Energy Saving Tips and Financing Option

Posted on August 27, 2013 at 7:05 AM Comments comments (54)
Alabama Power is now working with BOJIFFY to help qualified clients finance certain energy upgrades and you can make your payments with your utllity bill. We will be happy to discuss how thiis arrangement might be of benefit to you.
There are some good videos abouit energy savings that will help you understand some of the energy saving ideas.Click or cut and paste the link below to learn more.
 

What to Check Before You Call

Posted on August 14, 2013 at 10:14 AM Comments comments (64)
Sometimes the solution to your air conditioning problem is simple. Here is a list of easy to spot problems.
1. Your filter is dirty or absent.
2. There is furniture and other items blocking your return air.
3. Your circuit breaker at your breaker box is off.
4. Your inside unit should create condensation. Is the drain stopped up? Do you clean it out regularly?
5. If your inside unit is in the attic, is your secondary pan filled and triggering a shut-off?
6. Is water running out of your condensation drain. If your outside pipe is dry and your unit is running, check for blockage.
7. Does your thermostat have a battery? Is it good?
 
A service call costs money. You may be able to check some or all of these items yourself. If not, call us and we can help. It has been reported that 80 percent of the problems are electrical.Checking the refrigerant can release some of it, so have that done on a when needed basis..
 

New Alabama Regulations to Help You

Posted on August 9, 2013 at 6:41 PM Comments comments (197)
Alabama Board of Heating and Air Conditioning Seal

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