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How does under floor heating work and what physics concepts and ideas does this method use?

September 14th, 2011 1 comment

Question by DrinkingPenguin: How does under floor heating work and what physics concepts and ideas does this method use?
my teacher told me about how lots of physics concepts are used to make house heat efficient and he mention under floor heating. what benefits does it bring and how does it actually work?

Best answer:

Answer by Mr Fixit
first of all there are three ways heat is transferred, convection, conduction and radiation. Underfloor heating uses conduction and radiation…It places heat more evenly in the house and uses a lower temperature to do it. Other types of heating; ie baseboard depend mostly on convection. Also when the floor is warm it feels good without being stifiling. Usually now they are running red pex; a plastic pipe that allows radiant heat to escape. This is the heat type that is transferred from the sun to the earth by infra-red light waves.

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Q&A: How much of a heating bill is used for heating water?

September 13th, 2011 2 comments

Question by andreraf: How much of a heating bill is used for heating water?
My household of 4 people uses a total of 3,128.02 ccf of natural gas. How should I go about trying to find the AVERAGE amount of this that is used for heating water?
Thanks.

Best answer:

Answer by billrussell42
what else is the gas used for besides heating water?

There is no real way to determine how much is used for water heating, as some may be used for house heating, some for water heating, some for cooking, and there is no way to determine what percentage is used for each, without putting meters in each line.

In your other question you implied that your hot water came from electricity, which is it?

But in the electricity case, again, there is no way to determine this.

.

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How do I find out which thermostat will work with my heating/cooling system?

September 12th, 2011 3 comments

Question by Yak Rider: How do I find out which thermostat will work with my heating/cooling system?
I’ve got a Ruud heating/cooling system with a heat-pump in my home. I want to install a modern digital, programmable thermostat. The dealer has some, not really what I want, at an outrageous price and will offer no advice. Lowe’s and Home Depot have a wall full of them at good prices but nobody to tell me which ones will work and which ones will not.

Any advice?

Best answer:

Answer by SandShark
The best thing you can do before buying one is to look at your old thermostat and tell me which (color) wires you have connected to the terminals on your present thermostat. I will need to know each terminal’s designation, i.e., Y, W, W2, G, O, B, etc. That will give me an idea which thermostat HD has that will work with your system. It would help to know the model number of your air handler and outside unit.

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How much heating oil does a normal house use and whats the average cost?

September 12th, 2011 Comments off

Question by Hannah B: How much heating oil does a normal house use and whats the average cost?
We are looking at moving to a property that uses heating oil rather than gas and as this is a brand new concept to us both we have no idea how much a four bedroomed property would use or roughly how much this costs.Any information or links to websites that can help would be great.

Best answer:

Answer by Tom
More important is how well insulated the house is. How cold are the winters where the house is at. How efficient the heater system is. What level the thermostat is kept at.

Some of these heaters and boilers can be very efficient. Even then, if the heat distribution system is not efficient, or the house is real old, an efficient heater can only help so much no matter what the fuel type is. My mom lives in a 160 year old farm house with rusty radiators in Western Illinois that cost her $ 3,000 a month in heating oil during the worst winter months. OUCH!

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When it comes to heating a home which is cheaper Gas, Electric, or Heating Oil?

September 11th, 2011 Comments off

Question by KeefUps: When it comes to heating a home which is cheaper Gas, Electric, or Heating Oil?
In and around Washgton D.C. area is where I live.
Currently I’m using heating oil and the monthly rates seem outrageous!

Best answer:

Answer by Spoiled Angel
i have used Gas & Electric n Heating Oil in time in many places. I would say Electric or Gas. Heating Oil is not very cheap. Maybe in some areas it might be. But, if it’s a problem price wise i’d go to something else. If the place you current live in only uses Heating Oil. You can have it changed over which may cost some good money. Unless you know what your doing. They do sell electric & kerosene heaters. i wouldnt go for the kerosene if small children are around. those can seriously burn someone, happened to me when i was a kid, but good luck.

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Geothermal Heating for Your Home – Who and Why?

September 10th, 2011 Comments off

Geothermal heat pumps are a relatively new technology. This technology can save homeowners soe energy bill money. These ground-source heat pumps use the natural heat storage capacity of the earth or ground water to provide energy efficient heating and cooling.

Geothermal heat pumps use the relatively constant temperature of the ground or water several meters below the earth’s surface as source of heating and cooling. Geothermal heat pumps are appropriate

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AmeriVap Systems Announces The Bl?Steam Xtreme Heat Steam Generator

September 10th, 2011 Comments off

AmeriVap Systems Announces The Bl?Steam Xtreme Heat Steam Generator











Atlanta, Georgia (PRWEB) July 29, 2011

AmeriVap Systems, an industry pioneer in industrial dry steam generators, has pushed the envelope even further with the introduction of its Bl?Steam unit. The unit, so-called because the steam is actually blue at the tip, reaches temperatures up to 500 degrees internally, and approximately 320 degrees at the point of contact.

The Bl?Steam unit was developed over the past few years in response to customers who needed extra high heat and the lowest possible moisture for critical cleaning applications. Normal AmeriVap Xtreme Steam units are already robust, delivering 365 degrees internal boiler temperature, and 220 degrees at the point of contact. The new Bl?Steam units reach 500 degrees internally and approximately 320 degrees at the point of contact.. With these extreme temperatures, the AmeriVap steam generators come with specially designed hoses to contain the heat.

Applications for such dry heat vary from critical pharmaceutical and neutraceutical operations to the semi-conductor and aeronautic industries. For industries like food processing, it is typical to have a three prong effort to kill harmful pathogenic bacteria: chemicals, dwell time of the chemicals, and proper temperature. The Bl?Steam turns this on its ear: chemicals are no longer needed, dwell time is cut to seconds, and temperature is, well, extreme. In fact, with pathogen death at 165 degrees, 100% bacterial kills are all but certain.

A second beneficial byproduct of all of this heat is extremely low moisture, approximately 1%. This dry hot steam is so pure it is actually clear blue at the tip, hence the name. This dry hot steam is capable of removing exceedingly stubborn residues like flux solder and other corrosion inhibiting compounds used in specialty metal processing and the semi-conductor industry. In addition the company is experimenting with corrosion inhibiting solutions to inject into the available chemical reservoirs (these are available on all Xtreme Steam models, but are rarely used as the heat precludes the need for any chemicals) for specialty part treating.

Available in 20kw-80kw units, the Bl?Steam models are very versatile: the operator has full control of moisture and steam volume as well as the steam temperature. This enables the Bl?Steam to tackle a variety of applications, using the wide assortment of available attachments.

AmeriVap Systems, the industry pioneer in dry steam vapor cleaning, is committed to delivering environmentally friendly fully sustainable cleaning solutions to industries as diverse as food processing and packaging to the pharmaceutical industry. For more information about the company’s products for commercial and industrial sanitation as well as to view archived webcasts and videos, please visit http://www.amerivap.com or 800-763-7687.

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Q&A: How much should the labor to replace the heating/ac control module in a 2001 Volkswagen Beetle cost?

September 9th, 2011 1 comment

Question by Coldplayer: How much should the labor to replace the heating/ac control module in a 2001 Volkswagen Beetle cost?
I have a 2001 VW bug that needs the heating/ac module replaced. I’m trying to find out where in the car the part is located, and how much labor to replace it should cost. I know the part itself is relatively cheap, but I’m trying not to get ripped off with the labor. I live in a small town, so any info or insight would be tremendously helpful.

Best answer:

Answer by Motorhead
There are 2 types available, manual and microchip controlled. But both are under $ 200 for the part and both should take less than 2 hours to install.
The manual have more cable and fewer wires and vacuum lines, while the electronic one is reverese.
But the electronic one is probably the easier one, even though it has more connections, because the cables of the manual are stiffer and harder to line up.
Shop rate is around $ 80 – $ 100 and hour these days.
So be prepared to spend $ 150 to $ 200 on labor.
That should include diagnostics to determine it really is the control unit.
For example, the mechanic should have already tried shunting power to the AC clutch to make sure the compressor works, etc.
But anyone good at AC should have no problem.
VW AC is no different than any other.

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How much does it cost to replace heating coils in a heater?

September 8th, 2011 Comments off

Question by Jason F: How much does it cost to replace heating coils in a heater?
I have a rental property. The tenant complained that the heater doesn’t work. He called the electric company and they sent someone out that said that the heating coil needed to be replaced.

How much would this cost to have someone do? Is this something that you can take care of by yourself? He just called and said he might be able to do it and just have us reimburse him.

Any thoughts?
It is a gas HVAC unit.

Best answer:

Answer by jayktee96
Don’t know what type of heater you are referring to, but by ‘coils’ it may be a convector?? If so- don’t waste money on repairing, time and parts will cost more than buying a new one, get an oil filled type if it just a room heater, less to go wrong with them.

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Q&A: How do you convert inches of home heating fuel into gallons?

September 6th, 2011 2 comments

Question by napa604: How do you convert inches of home heating fuel into gallons?
I have 9 inches of heating fuel in a 550 gallon tank. Is there a conversion to find the number of gallons that would be?

Best answer:

Answer by ca_surveyor
Nope..

Because the SIZE not the capacity of your tank determines the volume per inch.

If your tank was 6″ high and 20′ in diameter, one inch of draw would be a LOT of fuel.

Conversly if your tank was 6″ square and 50 feet tall one inch of fuel would be about a quart.

Measure your tank and compute its surface area in square feet

then divide that number by 12 to get the volume of one cubic inch of fuel. Then just convert that to gallons (that conversion escapes me as I type but it is easy to look up – sorry).

good luck

.

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Overview of Vaporizer Heating Elements

September 5th, 2011 Comments off

Anyone who has taken two seconds to survey the breadth of the vaporizer market quickly notices that various brands tout their heating element as “the best available” while pointing out health risks associated with their competitors’ models. Evaluating all these (sometimes conflicting) statements can be quite a task. The purpose of this article is not to endorse a specific type of heating element, but instead to gather the available information about heating

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Radiant Heat Floors – Electric or Hydronic?

September 5th, 2011 Comments off

Radiant floor heat usually comes in two types: electric and hydronic. Most new homes don’t have this kind of heat anymore because it is more expensive to install than forced air. It is a shame because radiant heat is far superior to the forced heat that is installed nowdays. Also, in the long run, radiant heat is less expensive.


Electric radiant heat works very similar to the way a toaster works. Electric wiring underneath the floor heats up as

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What are cooking devices with no exposed heating elements?

September 4th, 2011 3 comments

Question by Nicole: What are cooking devices with no exposed heating elements?
I am going to college rather soon, and the list of things to bring says that I can not bring something with an exposed heating element. It specified no toaster ovens, but I want to know if I can bring a regular toaster, a rice steamer, a grilled cheese maker etc. This is very important, so can someone please let me know ASAP? It would be greatly appreciated!

Best answer:

Answer by R K
a microwave oven.

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Q&A: Alternative heating/cooling options for house at lower costs than regular?

September 3rd, 2011 1 comment

Question by pittpiratesgirl: Alternative heating/cooling options for house at lower costs than regular?
The bill for heating and cooling for the house is like $ 400. it is crazy- are there good, cheaper, reliable alternatives?

Best answer:

Answer by Anna L
not really, my parents pay like 600

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When heating a hot tub initially, should the jets be on or off?

September 2nd, 2011 1 comment

Question by Tinkskeeper: When heating a hot tub initially, should the jets be on or off?
We are new to the world of hot tubs and we purchased a used DreamMaker Spa and it has no owners manual. We plan on ordering one Monday, but in the meantime, to optimize the initial heating should you have the jets off or on?

Best answer:

Answer by KerriB
hi, congrats on the hot tub….there brill.
on ours we didnt have to have them on or off but they did automatically turn on when it started its warm up.
make sure you have the bubble blowers off/closed as they will blow cold air into the hottub.

also make sure you have first primed the system before you do any button pressing.

hope that helps

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Does heating fuel affect the fuel rail sensors to increase the amount of gas being injected into the intake?

August 30th, 2011 1 comment

Question by Mad Scientist: Does heating fuel affect the fuel rail sensors to increase the amount of gas being injected into the intake?
I have a 2001 Sport Trac with a 4.0 LOHC engine. I have heard that heating changes the density of the fuel, causing the PCM to add more fuel.

Best answer:

Answer by greasytony
It’s not the temp of the fuel, it’s the density of the air change with the outside temperature that causes that. When it’s hotter out, there is less density in the air, which means more fuel will be delivered, so the sensor changes that so the correct amount of air and fuel enters.

As the air gets warmer the molecules are able to expand (lower density); so there’s less oxygen in the same volume of air

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Q&A: What type of heating do you suggest?

August 29th, 2011 3 comments

Question by Rhema’s Child: What type of heating do you suggest?
We presently have oil heat and are looking to get a new heating system for our old home. Would it be best to stick with oil heat, get a heat pump with oil heat for back up, or something else?

Best answer:

Answer by charleslvjy
If you have oil heat,I’d stick with it. Changing over to something else can be costly.and a really big job.Some of today’s boilers are around 95% efficiant. Oil heat is safe,clean and reliable.

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How much to install an air and heating system in basement?

August 28th, 2011 1 comment

Question by cutekara34: How much to install an air and heating system in basement?
I plan on finishing my basement (850 sf) and need to know the average price to install a heating and air conditioning unit. Also, are there any cheaper alternatives?

Best answer:

Answer by pendleton4068
1700.00 in ga. per ton you might need 2 tons depending what you are gonig to do in the rooms

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How long does it take to heat up my ZooMed Heating Pad?

August 27th, 2011 1 comment

Question by : How long does it take to heat up my ZooMed Heating Pad?
In regards to ZooMed Heating Pads, how long does it take for the pads to heat up my 5 gallon tank? I’ve had mine plugged in for over 3 hours and it seems liket it’s only gone up a couple of degrees? I bought this tank and pad used from another person so I do not have any instructions.

Best answer:

Answer by Christy C
30 minutes at most.

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How can you cakculate the cost of heating hot water in a domestic household situation?

August 26th, 2011 3 comments

Question by Daniel Burns: How can you cakculate the cost of heating hot water in a domestic household situation?
I would like to compare natural gas to propane gas to electric water heaters in a way that is understandable to a lay person. I understand that heating water is one of the highest energy costs in a home but how would I compare the price of a tank to a tankless water heater?

Best answer:

Answer by xxstexxxxxvexx@rocketmail.com
find out how much each cost….. then the amount of time both last……..

or

find out how much each cost……and then multiply that for however long you use it

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Advantages Of Water Underfloor Heating Compared To Radiator Heating

August 26th, 2011 Comments off

After extensive research it became clear to us that the market for “wet systems” – as they are commonly referred to – was becoming more acceptable for new builds, where heating the room is not an option but an absolute necessity. The traditional form of heating would usually be a boiler and radiator central heating system; however, an alternative solution is now becoming more acceptable in the form of piped, hot water under floor heating. The pipework is embedded

Q&A: Why are my radiators not warming up when the central heating is on?

August 25th, 2011 2 comments

Question by Mystery Person: Why are my radiators not warming up when the central heating is on?
This has happened today, I turned the central heating on for about 30 minutes but all the radiators around my house won’t heat up. The boiler seems to be working perfectly. Whats wrong with it?

Best answer:

Answer by HandyMan
You need to bleed air out of the radiators when you switch on your heating every year.
Normally the top of the rad feels cool only, when air is in the system, but if there’s really a lot of air, the whole thing can be cold.

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Cheap Ways to Heat Your Home

August 25th, 2011 Comments off

The cost of various fuels impact how much people pay to heat their homes. In recent years, fossil fuels have been extremely expensive, and as a result, people have looked for more cost effective heating sources. If you are looking for cheap ways to heat your home, you have several great options that will save you up to 50 percent off the cost of your current heating system.

Minimize Energy Loss From Your Home

The best way to save money on your

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How to Save Money using a Heat Pump

August 23rd, 2011 Comments off

Air, earth and water have always been considered the three most important elements of our life, but in future their significance will become even greater as they are immense sources of free, renewable & thermal energy. Solar radiation from the sun heats the air, earth and water, and heat pumps are capable of extracting this heat and transferring it to a medium (gas or liquid) suitable for heating our homes. A heat pump could save you a lot of money on your

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How to know if something undergoes a chemical reaction on heating?

August 22nd, 2011 Comments off

Question by ka k: How to know if something undergoes a chemical reaction on heating?
John put a sample of a white solid substance, labeled A, into a test tube and then let the laboratory room. While John was out of the room, Mary heated the test tube in a Bunsen burner and then let the test tube cool back down to room temperature. At this point, John returned to the lab and found a white solid in the test tube he had left. What could John do to decide wheather or not substance A underwent a chemical reaction on heating?

Best answer:

Answer by Zech
There’s meant to be a change at least, even if it’s on the test tube. A material like the one you stated probably undergoes a reversible change after heating, otherwise, you can only carry out chemical tests to confirm whether what John left is what’s still in the tube…

tHERE are some substances who decompose on heating and recombine like ammonium chloride. White solid sublimes to form white HCl fumes and NH3. bUT WHEN COOLED AND ALLOWED TO RECOMBINE, you get your white solid back. How do you know there’s been any reaction?

- Physically, you might see some powder on the side of the tube. Chemically, you cannot detect a thing because it’s still the same salt you left behind

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