Tip & How-To about Heating & Cooling

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.

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worcester combi gas boiler 3.5 highflow is constantantly dripping water at the external flue position over flow pipe


water vapour is one the main products of combustion of gas. With a standard efficiency boiler, upon initial heat up when the flue is cold this vapour can condensate on the inner wall of the flue but should stop once the flue heats up, to stop this condense dripping back on to the heat exchanger the flue should be tilted towards the outlet and thus on initial heat up water can drip from the flue. with high efficiency (condensing) boilers, condensation will occur in the flue and secondary heat exchanger during normal operation, dispense of this condensate is accommodated for in the boiler and therefor the flue should be tilted towards the boiler, if not the flue will drip constantly.

Apr 06, 2010 | Water Heaters

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