The Guide to Underfloor heating
November 15, 2008
By Oliver Banks
Underfloor heating , the low maintenance option for your home is becoming more and more popular, This week Largom investigates the pros and cons of the system.
Underfloor heating is a form of central heating which utilizes heat conduction and radiant heat for indoor climate control, rather than forced air heating which ultimately relies on convection.
In terms of aesthetics, underfloor heating is invisible from above which frees up valuable wall space. In essence the entire floor is a radiator. Air-infiltration (heat loss) is reduced significantly compared to forced-air systems, in other words underfloor heating can save you money.
However, there are some things to consider.
Many people prefer the old fashioned look of radiators against the wall, especially if the residence is a period or traditional property .
Converting from radiator heat to underfloor heat can also mean expensive repairs to plug up unsightly holes in floors and walls.
Modern underfloor heating systems are generally run by either warm water systems or electric systems.
Wet systems, where warm water circulates through polyethylene pipes, generally circulate low temperature water (typically 50˚C). They are great for New-build properties, complete renovations, extensions and large areas, and are relatively cheap.
Electric/dry underfloor heating can be bought in the form of cable systems - either flat cables, or heating films, made from carbon or aluminum. These systems don’t run water through pipes and are perfect for small rooms. They are also good for refurbishment projects if you want to keep disruptions to a minimum. Generally speaking, they are easier to fit.
So, whether you decide on a wet or a dry system, do you research and always speak to a professional .
Trade secret: During installation it is a good idea to add some floor insulation to help lock in heat that may be lost in the sub-floor
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