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You can ask any company to offer evidence of basic liability specialist insurance. Any business that is not happy to provide evidence of general liability (GL) insurance must be prevented. A minimum standard for GL insurance is $1 million for property work and $2 million for light commercial.

There are other approaches for investigating air conditioning, heating and ventilation companies such as: call your regional Better Business Bereau (BBB), carry out online searches and reviews and ask the business in concern for recommendations. However, all of these techniques disappoint detailed openness. The BBB really works for the business it represents as they are only ranked if the business in concern pays them a recurring fee. Online review sites rarely show all of the evaluations got, and post reviews from sources that are not always trustworthy. This offers a platform for business to publish their own reviews and people to hastily publish evaluations without the company in question's ability to professionally deal with the concern. Furthermore, no business would provide a negative reference; only those that are incredibly positive. None of these are ideal characteristics for consumers seeking totally impartial reviews and references. It is encouraged to use these techniques as an informed consumer and think about the info source for exactly what it deserves.

Among the very best ways to discover a new cooling, heating and ventilation professional is via the "word-of-mouth" approach. If the business advised was budget-friendly, professional and reliable for a pal or relative, there is a great possibility that business will do the very same for you. Good companies utilize the word-of-mouth approach to constantly offer a new client stream by keeping their consumers happy.

Other standard methods for finding a brand-new a/c, heating and ventilation professional consist of performing online searches, telephone directory directory sites or online directory sites and other ad mediums. Remember that all of these methods are bought and spent for by the business in question. None of these methods need to serve as a review and needs to be used just as locating sources.

3rd party suppliers such as Angie's list, Discover Local and other online business are the latest platforms for sourcing and ranking cooling, heating and ventilating companies. Although these business do provide a service with some merit, they are, in fact, adding cost to the consumer. Angie's List, along with some other online company directory sites, charge the customer directly for their ratings and business' contact details. Other third-party sites provide customers with cooling, heating and ventilation business and add the expense of being a middle-man to business equation. Bear in mind that none of these are "free" which consumers should comprehend the expense and worth of using entities like these.

Numerous quotes are advise when working with an air conditioning and heating professional. There are no market standards for pricing HVAC related product or service. Comparable tasks can vary countless dollars from one company to the next. A minimum of 3 estimates is suggested prior to the repair work or replacement of any major air conditioning and or heating unit component and prior to the style and setup of new systems.

A 2nd opinion can be of value if the repair work or replacement is costly. Not all service technicians or business are equivalent or credible. Fixing cooling and heater is exceptionally complex. It is not unusual for a repair specialist to be unable to isolate the issue or for an agent to suggest an unneeded purchases. Getting in touch with a contending air conditioning and heating business can save money and time and regret.

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Frequently Asked Questions:

How Can Heat Be Converted To Electricity?
Just Curious. Electricity Easily Can Create Heat, But How Can This Process Be Reversed To Create Electricity?

It is a thermodynamic challenge to convert heat to electricity. You cannot convert all of it, as an upper limit of efficiency exists based on the temperature of the source heat, and the temperature at the rejection of the waste heat (do a search on Carnot engines to understand this better).

You convert heat in to work by sending a working fluid, such as steam or air, through pressure transformations (turbine expansions, compressions, pumping) capturing a net work output, and thermal processes (boiling, condensing, combustion) which provide the heat input and allow for the heat rejection.

Various arrangements of these fluid processes exist. Selections we commonly use are named the following:
1. Rankine cycle: steam power plants, either with fossil fuels or nuclear fuel as the source of heat
2. Brayton cycle: gas turbine power plants and aircraft jet engines
3. Otto cycle: used in the internal combustion engine with spark iginition, as observed on a typical automobile. You may also find these in gasoline powered generators.
4. Diesel cycle: used with an internal combustion engine, which uses compression igintion. As the name implies, diesel truck engines use this cycle. The difference from the Otto cycle is the boundary condition during the combustion process.

What ever the cycle choice the net work output is received as torque on drive shaft, outputting the energy to an electric generator, which uses oscillating magnetic fields in wire coils to induce an electric voltage.

Where Can I Buy A Mini Air Conditioner?
Is There A Mini Air Conditioner That I Can Buy For My Dorm Room? I'M Going To School In Pittsburgh And The Windows To My Dorm Room Don'T Open All The Way To Fit A Standard Air Conditioner In Them. Is There An Air Conditioner I Can Buy For My Dorm Room. My Dorm Room Isn'T Air Conditioned And I Get Nose Bleeds When My Nose Is Dry, So That'S Why I Need One. Is There A Mini Air Conditioner That I Can Buy? If So, Where? What Kind Should I Get?

Home depot sells a few different kind. A window unit for $99 which will easily cool a dorm room or single room, They also sell portable units for a bit more but you have to find a way to vent them outside. Either way your good as long as you can accomplish your goal,

Love you and good luck.

Home Air Conditioner. A Coil Froze Up?
Came Home And Seen My A Coil Froze Up. Defrosted It But I Think Its Coming Back. I Cleaned And Replaced All Filters. What Could This Be

The most common reason air conditioning coils freeze is that, during the colder months of the year, the ambient temperature drops below the freezing point of water (32 degrees Fahrenheit). There are, however, other circumstances where coils can freeze at higher temperatures.

Freezing can be prevented by draining the coils of water and circulating antifreeze through them temporarily, leaving antifreeze in them for the winter or simply circulating the water. However, most chilled water coils feature some kind of counterflow measure; cold air comes into contact with the coldest water first, encouraging rather than discouraging freezing.

If air conditioning coils freeze during the summer, the problem is usually inadequate airflow across the coils or a problem with the refrigeration system. The frozen coils can be rectified by switching the air conditioning system into heating mode for a time, but the underlying problem must also be investigated.

An accumulation of grime in the air handler fan (blower) or filters can cause poor airflow and lead to freezing. The blower should be cleaned and the filters replaced once the coil has defrosted and before operating the system in cooling mode again.




Papaw

Air Conditioning Unit Cost?
Hello, My Fiancee And I Bought A Home Last Summer, We Are In The Sacramento Area, Which Can Reach 110 Or So Degrees On The Hottest Days! Our Ac/Furnace Unit Is (I Am Assuming The Age Of The House ), Approx 19 Years Old, And It Really Has Trouble Cooling The House. It Is A 2 Story Home, And The Summers Upstairs Are Almost Unbearable. We Have Had The Salesman Come To Talk To Us About New Unit Price, Install And That Sort Of Thing, And All Of The Efficiency Tax Writeoffs And Credits, And Smud Discounts, But It Still Seems Ridiculously Expensive. Quotes From 3 Different Companies Were In The Vicinity Of 11-13K! And It Seems Lame To Me To Finance An Ac Unit For A 10 Year Period. I Guess I Am Throwing This Out There To See If This Cost Is Typical, Or If There Is Any Hope To Find Something More Reasonable. We Are Currently Saving For A Wedding, So I Am Beginning To Think We Will Have To Sweat Out Another Summer :(. If Anyone Has Similar Stories, Or Suggestions On How To Maybe Find Cheaper Units (In The Sacramento Area Would Be The Best), It Would Be Greatly Appreciated. Thanks.

you can buy a new central air conditioner unit for a couple thousand dollars....where those guys are trying to get you is on high end heat pumps and super high efficiency units

they also have to pay for all of their equipment and labor....keep in mind those guys are really only super busy in the hotter months.....it sounds like a rip off, but the cost of running a business like that and still make a profit is outrageous

i suggest you find a local handyman to help.....also make sure the unit you have is really that bad....just because it is old doesn't mean it's not capable of cooling the home..

clean it up really good....clean the outside unit....change filters.....buy some long vacuum hose and clean out your ducts.....clean the indoor fan.....

make sure you are getting the most of the unit you have

here is an example of how cheap you can get a 3 ton unit

http://www.grainger.com/Grainger/items/6...

also look in to window units

http://www.grainger.com/Grainger/wwg/pro...

Here is one more option that is becoming more and more popular...it's a good product

http://www.mrslim.com/Products/Category....

Who Makes The Best Air Conditioning Units?
York Day & Night Payne Carrier Trane Rheem?

Myself, I prefer trane over everything else, I have worked in the field, and as a technician you see flaws or things you dont like. York, I cant say too much bad about york, they used to have compressor bearing issues but I am sure that has been corrected by now, and now scroll compressors are mostly used so that isnt too much of a concern anymore, now day and night, I cant judge this because I havent seen too many in my area, sounds kinda cheap. I dont know. Payne, this is just builder grade equipment, nothing extravagant and will get you buy, home warranty companies will normaly have a payne air conditioner installed in the event of the original needing replaced cause they are cheap. Carrier, the only problem I have with carrier is some of their control systems, you get an infiniti system try to find parts for that on a 100 degree day at 8 pm, not going to happen, carrier has a hard time leaving well enough alone, they are always trying to up the ante with some kind of crap you dont need. Trane, been running strong for years and their compressors are proven, and always have been, with the exception of a couple lemons here and there, they make good stuff and always have, And thats another thing I think of when I look at these brands, some of the crap they sold to the public that was just junk 15 years ago, seen it all..anyways..Rheem, another company that I think makes good equipment, they keep their units good and simple and they are very realiable, easy to service, and just well put together, If I were going to put a new system in my house, Trane or Rheem, I just dont think you can go wrong with either of them

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