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You can ask any company to offer evidence of general liability professional insurance. Any business that is not prepared to offer proof of general liability (GL) insurance should be avoided. A minimum basic for GL insurance coverage is $1 million for residential work and $2 million for light industrial.
There are other approaches for researching cooling, heating and ventilation companies such as: call your local Better Business Bereau (BBB), perform online searches and reviews and ask the business in question for recommendations. However, all of these approaches disappoint detailed openness. The BBB actually works for the companies it represents as they are just rated if the company in question pays them a repeating charge. Online review sites seldom show all the evaluations received, and post reviews from sources that are not always trustworthy. This supplies a platform for business to post their own evaluations and people to quickly publish evaluations without the company in question's capability to expertly resolve the problem. Moreover, no business would give out a negative referral; only those that are incredibly positive. None of these are perfect characteristics for consumers looking for totally impartial reviews and recommendations. It is encouraged to utilize these approaches as an informed customer and think about the details source for exactly what it deserves.
Among the best methods to discover a brand-new air conditioning, heating and ventilation contractor is via the "word-of-mouth" technique. If the business recommended was budget friendly, expert and reputable for a friend or member of the family, there is a likelihood that company will do the exact same for you. Excellent business utilize the word-of-mouth approach to constantly provide a brand-new customer stream by keeping their customers pleased.
Other conventional techniques for finding a brand-new cooling, heating and ventilation contractor include carrying out online searches, telephone directory directories or online directories and other advertisement mediums. Keep in mind that of these techniques are bought and paid for by the companies in concern. None of these approaches must function as a review and should be utilized only as locating sources.
3rd celebration companies such as Angie's list, Discover Local and other online companies are the most recent platforms for sourcing and rating cooling, heating and ventilating companies. Although these companies do offer a service with some benefit, they are, in reality, adding expense to the consumer. Angie's List, along with some other online organisation directories, charge the client straight for their rankings and companies' contact info. Other third-party websites offer customers with cooling, heating and ventilation companies and add the expense of being a middle-man to the business formula. Remember that none of these are "free" which customers need to understand the expense and worth of using entities like these.
Numerous estimates are recommend when employing a cooling and heating contractor. There are no market requirements for rates HVAC associated product or service. Comparable jobs can vary thousands of dollars from one business to the next. A minimum of three price quotes is recommended prior to the repair or replacement of any major air conditioning and or heating unit component and prior to the style and setup of new systems.
A second viewpoint can be of value if the repair or replacement is pricey. Not all technicians or companies are equal or reputable. Repairing cooling and heating systems is extremely intricate. It is not unusual for a repair work service technician to be unable to separate the issue or for a representative to recommend an unneeded purchases. Contacting a competing a/c and heating company can conserve money and time and remorse.
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Frequently Asked Questions:
Whats The Basic Difination Of Sub Cooling And Super Heat In Air Conditioning System?
I M Working In Air Condition Company But Its Make Me Confusion To Understand Whats The Mean Of Super Cooling And Super Heat..Why It Is Necessary In Airconditioning System,,,
Papa C gives a very good overview of superheat and sub-cool, my hat's off to you Papa!
You asked for a basic definition and I think I can add just a little more by getting down to those basics. Every liquid has a boiling point where the liquid turns to vapor, and conversely every liquid has a condensing point where vapor and/or gas will turn back into a liquid. Just as water boils into steam (water vapor) at 212 F at sea level and conversely if enough heat is removed from water vapor it will condense back into liquid at the same temperature, refrigerant does the same thing. Different refrigerents will do this same thing at different temperatures and pressures. This is what your pressure/temp. chart for refrigerants tells you. In Papa's answer above, at 67 PSIG R22 boils at 39 degrees. If you add more heat to the refrigerant you are heating it above it's boiling point or "super-heating" it. The refrigerant will first turn to vapor and as you superheat it even more, will turn into a gas. Within any kind of refrigeration system (a/c, cooler or freezer) you can measure how much the refrigerant has been superheated in the evaporator the way Papa states above.
On the other hand, Sub-cooling is simply the amount of heat removed below the refrigerants condensing temperature at a particular pressure measured in deg. F. For instance let's say your compressor is raising the pressure of the R22 in your condenser coil to 240 PSIG, the corresponding condensing temperature is 114 Deg. F. This is the temperature where the superheated gas turns back into a liquid when enough heat is removed. If you continue to remove heat from the refrigerant, you are "sub-cooling" the liquid below it's condensing temperature. So if the temp. of the liquid line leaving the condenser is 95 Deg. F. you have sub-cooled the liquid 19 Deg. F below it's condensing temperature at 240 PSIG.
As for why super-heat and sub-cooling is necessary, The more you sub-cool the liquid from the condenser, the more efficient and stable that liquid will be in the run from the condenser to the metering device and will also make the evaporator more efficient at collecting heat. Super-heat on the other hand is a little more critical. Most a/c compressors are depending on the refrigerant coming back to them with some vapor still left (not completely gas) for the purposes of cooling the motor windings. For this reason you want to make sure the refrigerant charge is correct. In a capillary tube or fixed orifice system the refrigerant pressure on the high side will determine the superheat through the evaporator. On a system with a TXV, the TXV determines the amount of super-heat through the evaporator. This is assuming the condenser coil is doing its job and there is solid and sub-cooled liquid refrigerant at the metering device. A typical a/c system will run a super-heat somewhere between 10 and 20 deg. F. Super-heat any lower than 10 means there is very rich vapor coming back to the compressor that can damage bearings and/or valves and super-heat much more than 20 will not provide enough cooling for the compressor windings.
Good luck in the trade! It is a very good one to be in. There are a couple of good real world books on the subject. One is the Modern Air Conditioning Manual and another is Doolin's Troubleshooting Manual. Both take a real world approach to a/c.
What Could This Condition Be?...When Running, Chest Cavity And Throat Has &Quot;Pain&Quot; And Breathing Shortens
This Question Is Not For Me. I Ran/Run Cross Country Meets Sometimes Among Other Things. I Had A Girlfriend(Who Is Now My Friend) Who Was On The Less Active Side Of Our Society. She Wanted To Do Activities With Me, But Whenever We Attempted To Jog A Bit, You Slowed Down Maybe 28 Or So Meters And Said That Her Chest Was Hurting And It Was Painful To Breath.
When I First Started Running I Came Across Fatigue, But Nothing Of This Sort. I'Ve Sort Of Chastised Her About It, But She Swears It Is Actual Pain And She Is Not Being A Wuss. She'S Not (Too)Fat(Relevant To The Question At Least), And Her Bmi Isn'T Too Much Lower Than Her Weight. She'S Asian, 4'11 And Weighs Like 135/40 Or Something Like That.
Has Anyone Come Across This, And What Condition Would It Be? She Refuses To See A Doctor As She Doesn'T See The Relevance In It. But Me Being The &Quot;Smart&Quot; One Thinks Otherwise.
EIA/EIB- Exercise induced asthma/bronchospasm
If you cough, wheeze or feel out of breath during or after exercise, you may have exercise-induced asthma. As with asthma triggered by other things, exercise-induced asthma occurs when the main air passages of your lungs, the bronchial tubes, become inflamed. The muscles of the bronchial walls tighten, and cells in the lungs produce extra mucus, further narrowing your airways. This can cause signs and symptoms that range from minor wheezing to severe trouble breathing.
If you have exercise-induced asthma, physical exertion may be the only thing that triggers your symptoms. Or exercise may just be one of several things that trigger an asthma attack. The good news is that exercise-induced asthma doesn't have to limit your athletic goals — whether your aim is a weekly jog or elite competition. Proper treatment can help you keep symptoms under control — and help you exercise as much as you want.
Common signs and symptoms, which occur during or after exercise, include:
Chest tightness or pain
Shortness of breath
Additional signs and symptoms of exercise-induced asthma include:
Fatigue during exercise
Poor athletic performance
A long recovery time after exercise
Typically, signs and symptoms of exercise-induced asthma start after five to 15 minutes of exercise. In some cases, signs and symptoms of exercise-induced asthma start after your workout is over.
What Car Should I Get?
I'M Going To Be Getting A Car Soon And I Would Like To Get A Muscle Car. It Must Have Automatic Transmission And Be Under $50000
I would say you choose between a Ford mustang GT or Dodge challenger R/T or SRT-8
here is some info to help u choose =)
2010 FORD MUSTANG GT
The 4.6-liter three-valve V8 engine for New 2010 Mustang benefits from horsepower gains (up to the present 315hp with 325 lb.-ft. of torque) achieved by the addition of a cold-air induction system pioneered through Ford Racing Technology. The intake is tucked behind the driver-side headlamp, mounted in an air box that's specific to the Mustang. Extensive sealing modifications ensure cold air from the front of the Mustang feed the engine. The redline for the V8 engine is increased 250 rpm to 6,500 for 2010, and revised calibration ensures the customer fully feels these changes. What's more, the 4.6-liter, three-valve SOHC V-8 engine is the most-accessorized engine in the marketplace. The engine is mated to a smooth-moving standard five-speed manual transmission. A responsive, tight, five-speed automatic transmission is also available.
2009 DODGE CHALLENGERThe 6.1-liter SRT® HEMI® V8 is the highest naturally aspirated specific-output engine ever offered in a Challenger. It features:
•Performance-oriented camshaft profiles
•Aggressively designed cylinder heads and intake and exhaust systems to help maximize airflow and increase engine
The 5.7-liter HEMI® V8 available with Multi-Displacement System (MDS) delivers:
•Variable Cam Timing, bringing more power and optimal performance
•Greater efficiency when equipped with MDS
•Dual ignition (two spark plugs per cylinder) to increase peak power and torque
The 3.5-liter High-Output SOHC V6 engine offers:
•Consistent speed and reduced emissions with a dual-tuned intake manifold and a sophisticated electronic throttle control system
•Tailored pedal-movement response based on operating conditions
The srt-8 engine has 425hp 420 torque
Both the mustang and challenger has very nice interior and the look on the outside is even better both very Sleek cars you can tell their all muscle =) also they both come in automatic
I really hope this helps
hey if you can look for a truck A DODGE RAM SRT-10 they are sooo nice and very fast 500hp 525 torque it puts you back in the seat the 4 door comes in automatic but the single cab is a 6speed But i love them trucks i got in a wreck in one last year
Car Air Conditioning?
Hey Guys I Bought A 91 Accord With New Engine And Everything Works But The Air Conditioning. It Blows But It Does Not Get Cold. My Mom'S Car And Sisters Car Do The Same Thing. The Heater Works Fine Though.
I Am Not Sure What Consists Of A Car Ac Or How It Works. Can Someone Explain? And Explain What Could Be The Problem? I Have Tried Adding Frion Freon Or However It'S Spelled To My Sisters Car And It Only Worked For About A Month! That Stuff Is 20 Bucks A Can And I Can'T Afford It. I Also Think I Would Know If It Was Leaking Because I Would See It Where I Park.
Please Give Me Prices Or Even Ballpark Prices Will Work. I Just Need To Get An Idea On How Much This Will Cost.
First of all, check the compressor to see if its locked or not. Find the compressor and try and spin it, it is does not turn, its locked and you will need to change it.
If the compressor is spins with your hand, try and find some wet spots. It is indicative of a leak.
If you have gauges (which i think you dont, you can vacuum it out to a negative pressure) which is around -30. leave it alone and if the pressure goes back to 0. you have a leak.
If you want to do it the hard, way, just charge some freon into it. Being that it is a 1991 model, it uses R-12 freon which is very expensive and you wont be able to buy it because you need a license. The cheaper way is to convert it to R-134 freon which is a third of the cost of R-12. You can go to autozone and they will sell you a conversion kit. While youre there, buy some refrigerant oil, I hope that you know how to charge the system. Charge it and see what happens. Each can has 16 oz. you can look under the hood to see the capacity that the system hold. you can convert it and see how many cans you need.
Hopefully after half a can, the compressor kicks in and you have some cold air. If the a/c only works for a month as you indicated, you have a leak. Find the wet spot. if its a small leak, they sell a stop leak can. it might seal up some small leaks. for bigger leaks, you would have to correct it.
Hope this helps.
Is Running In The Cold Bad For You?
I Want To Run On A Tread Mill That Is In My Garage. The Garage Termperature Is The Temperature Outside. Right Now It'S Snowing So It Is Cold. If I Were To Run In This Condition Would Breathing In The Cold Air Make Me Sick? Would I Increase The Chances Of Catching A Cold, Flu, Or Bronchitis?
Running in the cold is definetely bad for...jk...I just don't like running. Plus when you run you naturally get heated up...but dude why run in the garage when you can always run inside, and move you're treadmill there...