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Ruud UBHC-17AOONFA heat exchanger

What function does a heat exchanger have when used with a boiler
in a hydronic, radiant, system installed in cement floor?

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Instead of air , it uses water to extract heat and send it thru the tubings.

Posted on Sep 04, 2008

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Recently purchased and moved into older home with a hydronic radiant heat system with boiler. Upon running the system in the colder temps, we are hearing a gurgling sound recurring in some of the runs


typically hydronic systems like that need to be bled, start with the highest radiator, the bleed valve have a little square head and you need to have a key that fits them, most supply HVAC houses have them sitting on the counter but you can ask them for one.

Jan 14, 2015 | Heating & Cooling

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How to Install Radiant Heat


Over the past twenty years plus,radiant heating has come to be a very acceptable way of heating. I have watched this heating become more and more popular every year. I also have seen many jobs where people do it all wrong and then wonder and get upset because this latest and greatest "state of the art" heating system does not perform properly or save them any money.

Radiant heating is best known for the fact that it is one of the most comfortable heating systems. The next best thing about radiant heating is the efficiency that it provides. Unfortunately there are way too many systems that are installed without efficiency in mind. They really do not peform any better than any other hot water heating system. This deprives the homeowner of one of the most important benefits of a radiant heating system.

The biggest mistake that people make is that they think they can install a radiant heating system for the same amount of money as any other hot water heating system. Nothing could be farther from the truth. If anyone ever tells you that they can do that run as far and as fast away from them as you can! A properly installed radiant heat system will cost you more money! The benefits will offset that, but you must spend the money upfront. Also, just installing a high efficiency boiler does not give you a high efficiency heating system. A great heating system involves much more than just a high efficiency boiler!

To have a radiant heating system that will perform efficiently you have to install radiant heat plates under your tubing, install the radiant tubing in a gypcrete or concrete pour, or install your tubing in a specially prepared sub floor. These methods will allow you to heat your home or building with very low temperature water. Low temperature water is whre you get your high efficiency. If you have to turn up the temperature of the water to get the heat out of the pipes and into the room you are then fighting a losing battle.

So, if you are considering a radiant heating system there really are only three considerations for you. Good quality radiant heat plates that attach to the sub floor with a reflective insulation under them to give the radiant heat the signal to go up. Pouring the radiant tubing into the concrete of a basement floor, or gypcrete (light weight concrete), over the sub floor of upper floors. In either instance make sure that you use a good quality insulation under the floor. Insulation for radiant systems is another topic that I will have to cover in a future article. Thirdly, there are products made that are specifically made to be incorporated into the sub floor that accept the radiant tubing. Grooves are cut into the sub floor and the tubing is inserted into the grooves. Usually these products will have a type of plate and insulation incorporated into the product.

A radiant heating system can be one of the very best types of heat you can have if it is installed correctly! A correctly installed system will give you many years of dependable service with the lowest possible operating cost. It will be nearly maintenance free and trouble free, giving you many years of comfort, with no worry or fuss.

When you are looking to buy a radiant heating system look around for the company that will give you one of these options. Not just be trying to get you to buy on price. If they are cutting price to get you to buy, the chances are that they are also cutting their quality to get to that price. That will never give you the best deal when it comes to a radiant heating system.


on Dec 29, 2009 | Heating & Cooling

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Radiant Electric Floor Heating does not Save Money


There are many great selling points for electric under floor heating. The radiant design of the electric heating system is a great idea. It is easy to install which is very appealing.. You will be warm and feel great on nice warm floors. There are so many things to like about this type of heat. So what is the drawback to it?

One of the latest fads in under floor or radiant electric heating is the continued development of electric radiant heating. This heating comes in many different forms and can be installed easily and at what seems to be a reasonable cost. However before you get stuck with a heating system in your home or business make sure that you take a good look at what it will cost you to heat with electric.

Electricity will only ever make 3,415 BTU’s of heat from one kilowatt of electric. This is something that cannot be changed. No matter what you do to electricity it will always produce the same BTU’s per KW. So for this reason you can change the effect of the heat coming from the electric, but you can’t change the fact that you still need a certain number of BTU’s from the electric to feel warm. These BTU’s cost money. Oh and did I mention that of the electricity that is produce by most power plants, only about 1/3 of the electric makes to your home? This fact alone should make you not want to use more electric.

The price that the electric will cost you is the problem. There is nothing efficient about electric heating. Electric is expensive now and it will be going higher as more states deregulate electricity. Now electric radiant heat is probably the best way to heat with electric because of the radiant feature you will be able to “feel” warm at lower air temperatures. That will save you money. However the cost of the electricity to get the heat to that point will still have you wondering why you ever installed that system.

Under floor radiant electric heating is a very good heat and there are ways such as hydronic heating systems that use warm water to make your floor nice and warm. Today’s high efficiency boilers will give you a nice heat from LP gas or natural gas at near 100% efficiency. If you are looking to heat a very large space with radiant heat make sure that you compare all of the ways to produce radiant heat.

If you do decide to go with electric under floor heating then here are a few suggestions. Insulate your house like you were living on the moon with the ultimate in temperature extremes. The money you will spend on extra insulation will pay back many tomes over if you use electric to heat with. Use electric if you are only using the house for seasonal use and you want a heating system that is easy to maintain. Another good way to use it is if you only want radiant floor heating for a small part of your house like the bathroom.

on Dec 25, 2009 | Heating & Cooling

1 Answer

Hi - I have a RUUD system, the heat won't come on


sounds like the "Fan/Limit" switch. It is to turn on the fan as the heat exchanger warms up. I believe it has failed. Check it out.

Hope this helps.

Feb 15, 2010 | Ruud UBHC Air Conditioner

1 Answer

Ruud UBHC AC System - Provides no Aux Heat


Tried this on my unit today, and observed the same results, but got Aux Heat (with A setting), if the H (blue wire) connected to B terminal, as per instructions for my 6036 Ritetemp. However, in this case, when the set temp is reached, I hear the click, but HVAC still blows aux heat indefinitely.

I also have RUUD UBEA 17J10..., and replaced my old honeywell with 6036, and can't get heat pump working. Both of my units are 14 years old, so I'm thinking to replace them soon.

Jan 06, 2010 | Ruud UBHC Air Conditioner

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Home Electric Heat Heating and Electric


Electric heat can come in many different forms. Some of these methods are resistance heating, electric arc heating, induction heating, and dielectric heating. The most common of these is the resistance heating. With the resistance heating of electric baseboard heating, water heating and kitchen ranges, you don't have to worry about carbon monoxide or unvented gases. However, direct with electric is really not considered ecologically sound because most electricity uses fossil fuels. This is because about two-thirds of the energy of the fuel is lost within the power stations, and in transmission line losses.

Some of the most popular choices for electric heating systems are thermal storage systems, electric radiant heating, hydronic electric heating and even convective heating. You can also install an off-peak system that can save money and also give you the convenience of electric heat. An example of an off-peak electric heating system that is very common today is an electric plenum heater. Another newer form of heating is a convective electric heating system. Both use electric heaters to heat the air that is then circulated with blowers throughout your home.

Electric heating has several unique advantages. It can be precisely controlled to allow a uniformity of temperature within very narrow limits, it is cleaner than many other methods of heating. It does not involve any combustion and it is considered very safe because it is protected from overloading by automatic breakers. It is quick to use easy to adjust and it is relatively quiet. The main disadvantages of electric heating in industry are the higher cost of electrical energy compared to direct use of fuel, and the capital cost of both the electric heating unit itself and the electrical wiring required to deliver large quantities of electrical energy to the point of use.
Electric heat does have a place. One place where it does shine is in a seasonal cottage that will only be used a few times a year. It is very easy to shut down the heat and turn it back on when you get back there. There is also very little that can go wrong or go bad from the long periods of non-use. For this situation electric is a very good choice. This is really the only situation in which I recommend electric heating.

As you can easily see, electric heating has some advantages and some disadvantages. The cost of electricity has continued to rise and will be skyrocketing even higher in the future. Many states have or will be deregulated electric or are going to do so in the very near future. With the future uncertainty of the cost of electric and the great amount of waste in the transmission system of electric, many owners of electric heating systems are debating whether or not to convert to hydronic baseboard heating. With the super high efficiency of today's gas and oil boilers, they are quickly becoming much more attractive to many homeowners. Combining a high efficiency gas or oil boiler with hot water baseboard or radiant heating gives you great comfort and will give you low utility costs for many years to come.

on Dec 25, 2009 | Heating & Cooling

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Gas Condensing Boiler High Efficiency Heating



Ultra high efficiency boilers have become one of the best buys in home heating. These high efficiency boilers have changed dramatically from the first pulse boilers that I had the privilege of installing twenty years ago. Today’s condensing boilers are much more reliable and will not shake and rattle the windows of your house like those old beasts did.

If you are looking to purchase or install a new boiler for your new or existing heating system then you need to look a condensing boiler to heat your home with. In the past twenty years the condensing gas boiler has evolved to be a reliable, very efficient way to heat your home.

Radiant heating systems with the right design feature can easily heat your home at temperatures that use just warm water. At these temperatures the water is pulling the exhaust temperature of the boiler to very low points. This gives you extremely efficient boiler operation.
The boilers of today are made to operate continually at temperatures of 100F or less. At these temperatures it is not uncommon to have the combustion analyzer give me readings of 98-99 % efficiency. To get these types of readings and still heat your home the heating system has to be designed to work at these temperatures.

The right condensing gas boiler coupled with the right heat transfer system to get the heat into your home the right way will give you the most efficient heating system possible with today’s technologies.

Do a bit of research and find a heating contractor that knows exactly how to install a condensing boiler with a radiant heating system properly. For your radiant heating system to perform well at these temperatures, your boiler will need to be installed in exactly the right way. There is not a lot of room for error when designing very high efficiency heating systems. To wring every BTU of heat out of the fuel that is being burnt means that you are also on the ragged edge of supplying just enough heat to the building to over come the heat loss of the building at any given time.
http://www.fixya.com/support/r3706364-gas_boiler_condensing_best_features

http://www.fixya.com/support/r3597748-the_extra_benefit_of_a_modulating_boiler

http://www.fixya.com/support/r3583943-condensing_gas_boilers__the_best_radiant

on Dec 24, 2009 | Heating & Cooling

2 Answers

IS A HYDRONIC ELECTRIC BASEBOARD MORE EFFICENT THEN THE STANDARD ELECTRIC BASEBOARD HEATER


I have some confusion about what you are asking......

There is no such thing as "Hydronic Electric Baseboards"......

I am assuming you are referring to the oil filled baseboard heaters. If so....

The same amount of btu's required to heat a space remain the same whether the elements heat a liquid to warm the air or whether they heat the air directly, the same amount of wattage will be consumed. So, their is no more or less efficiency between the two.

If you are referring to "Hydronic Baseboard Heaters" (these baseboards are fed from a boiler with a pump) Then....I will assume that it is a gas boiler. In which case, the gas boiler would be more cost efficient to operate. If it is an electric the same rule applies as above......the cost is the same.

Oct 04, 2009 | Fahrenheat FBE15002 Baseboard Heater

1 Answer

Ruud heat pump outside fan won't run


Tell him to make tight connections.

Jun 23, 2009 | Ruud UBHC Air Conditioner

Tip

Condensing Gas Boilers - The Best Radiant Heat Boiler


The right condensing gas boiler coupled with the right heat transfer system to get the heat into your home the right way will give you the most efficient heating system possible with today’s technologies. There are a few things that need to be taken into consideration for this combination to work well and serve you well.

For this type of heating system to work you first need to have a radiant heat system that will supply enough BTU’s to your home at very low water temperatures. By low I mean under 100F. To get the output that you need at this low a temperature you of ten will need to design the radiant heat system with heat transfer plates. The heat transfer plates will make the transfer of the heat from the tubing that the water flows in to the floor as efficient as possible. Getting the floor warm enough to heat your house with low water temperatures should be the goal.

Now that you have a great heat transfer system you can set up your boiler to run at very low temperatures also. Most of today’s condensing boilers use out door reset technology to assist in keeping the water temperature just high enough to help the heat transfer plates produce just enough heat to keep you warm. On the coldest day of the year you want your water temperature to be no more than 100F and still be keeping your house to the temperature that you want it to be.

A great high efficiency heating system coupled with a good high quality condensing gas boiler will give the best in comfort, quiet heating at the lowest cost possible. Sure this type of system will have a bit higher upfront cost. And the contractor that you hire to install this type of heating system may require a higher rate to perform the work, But once you experience the comfort and efficiency of a top notch heating system like this you will soon forget the money and enjoy your nice warm comfortable home.

on Dec 06, 2009 | Heating & Cooling

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