Why do radiators go under windows?

As the hot air rises from the radiator, the cold air that is coming in through the window pushes against the warm air, circulating it around the room much more efficiently. If you were to place a radiator in the middle of the room instead, the heat wouldn't fill the room.
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Should a radiator be under a window?

The traditional place to position your radiator is the coldest part of the room. Whether that's beneath your window or against the wall. This is due to conduction, with incoming cold air causing more effective heat conduction and pushing the hot air from your radiator into the middle of the room.
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Why are radiators below window?

In the past, radiators have often been located under the window in a room because this is the coldest area in the room. Historically, older windows would be single glazed, and this type of window used to let a lot of cold air into the room.
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Do radiators under windows cause condensation?

This can cause moisture in the air to condense out onto the window. In cold enough conditions, the window will accumulate frost or even layers of ice on the inside surface. The hot air rising off a radiator will have less tendency to deposit moisture onto the window (the glass surface will be somewhat warmer).
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Where is the best place to site a radiator?

The best place for a radiator is in the coldest part of the room. This used to be under windows. However, in more modern double-glazed homes, there may not be a cold area, so you can put radiators where they won't affect the use of walls. A general rule is to have one radiator for every 4m or so in a room.
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Why are radiators under windows Spanish flu?

CHANG: This design philosophy took off after the 1918 flu pandemic and its threat of airborne viruses. So these radiators were designed to heat a room on the coldest day of the year with the window wide open, and then these radiators got even hotter as people switched from coal to other fuels.
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How close can a radiator be to a window sill?

Aim for a minimum of 100mm (4") between the top of the radiator and the bottom of the sill. More is fine. Less than that and the radiator begins to look a little cramped.
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Do radiators make mould worse?

The truth is, radiators can often be a major culprit of mould creation. An uncalibrated radiator BTU, especially under a window can be a major cause for mould, especially for accumulation under windows.
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Should I put foil behind my radiators?

Silver foil placed down the back of a radiator will reflect heat back into a room rather than letting it uselessly escape through the walls of a house. Do-it-yourself buffs suggest wrapping the foil round pieces of cardboard which have been cut to the right size to make it easier to fit.
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Why do my windows steam up when I put the heating on?

In summer and fall, when homes pick up moisture from damp air. Condensation can also form on the outside of your windows. This reverse condensation usually happens when it is hot and humid outside. When the air is cooler inside your home, it makes the surface of the glass cooler than the dew point.
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Can you change the position of a radiator?

It is entirely possible to move your designer radiator into a whole new position in the room so that it gets the prominence it deserves without getting in the way of the rest of your DIY and décor plans.
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How high from the floor should a radiator be?

Radiators should typically be mounted so that the foot of the radiator is positioned a minimum of 150mm from the floor. The height of nearby floorboards could influence how high a radiator is fitted, if only for aesthetic reasons.
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Where is the best place to put a heater in a room?

Heaters are best placed under windows. If you do not have the space for panel heaters, you can also choose wall strip panel heaters, which are lower and longer variants. By placing heaters under the windows, you heat up cold air descending from the window glass, and avoid cold draughts along the floor.
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Is it OK to put a sofa in front of a radiator?

It's not a good idea to place a sofa, or any other large furniture, in front of a radiator. A sofa would block heat from travelling freely around the room, and could suffer potential long-term damage from a close level of heat exposure.
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Should you tuck curtains behind radiators?

The main mistake that people make is to fit heavy floor-length curtains over both the window and the radiator below. This traps the heat in the window space and does not let it into the room. Correctly fitted curtains should not cover the top of the radiator, but should stop just below the window ledge.
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Do tall radiators give out heat?

yes. That's because even though, as a general rule of thumb, vertical designer radiators do not achieve the same heating performance of more traditional, horizontal radiators, if you do your homework and choose the right model, you can find a solution that not only looks great, but heats your room efficiently too.
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Why do I need to keep bleeding radiators?

Radiators need bleeding when they have air trapped inside them. This trapped air stops warm water circulating around your radiator. That can make the radiator cold at the top, but warm at the bottom. It means your central heating system isn't working efficiently and it can take longer to warm up your room.
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How do I know if my radiator needs bleeding?

A good way to check if your heating system needs bleeding is to see if your radiators have cold patches at the top but are warm at the bottom. If so, you need to bleed them to let the trapped air escape and the hot water to circulate freely once again.
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Does leaving windows open prevent mould?

Does Opening Windows Help Reduce Mold? As you might've guessed, opening windows can help reduce mold. Doing so lets excess moisture flow outside instead of settling on your walls, floors, and ceiling. Without the proper amount of moisture indoors, mold won't be able to grow.
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What temperature should your house be to prevent mold?

The ideal temperature is between 77 and 86 degrees Fahrenheit. During the summer months, temperatures are often higher than normal inside the home. Make an effort to keep temperatures inside the home lower during the summer months. Setting the thermostat to the low 70s makes it more difficult for mold to grow.
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Why is there so much condensation on my windows?

Excessive humidity is the cause of most window condensation. As the outside temperature drops, the window glass temperature also drops. When moist air comes in contact with the cold glass pane, the moisture condenses and forms water droplets.
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Should radiator be above skirting board?

If the pipework is coming from the wall, the pipes should never penetrate through the skirting. The radiator should move higher on the wall so that the pipes come through the wall above the skirting's.
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Can you have long curtains over a radiator?

Floor-length curtains work best with radiators under the windows, but closing them means they'll block the heat generated by the radiator. Generally, pairing up floor-length curtains with other window coverings can do the trick.
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Why are New York radiators so hot?

Most New York buildings are steam-heated, which means that water is heated by a boiler in the basement and distributed as steam to apartments via a network of sturdy, cast iron radiators. And not only are they noisy but they can get very hot extremely quickly, or worse, not turn on at all.
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