Yes
Silver is a valuable metal, and is thus not used in radiators.
radiators need to dissapate heat, and metal can dissapate heat quickly
aluminum and copper
The easiest way to cool an older home that heated with radiators, is to use window AC units. Storing these window AC units during the winter can be a lot of work. What is are some suggestions for properly storing window AC units during the winter?
convection
The cheapest option between electric, radiators and central heating is Gas Central Heating. The reason that gas is cheaper than electric is because electricity costs 4-6 times more than gas.
You have approximately 1200 square feet home and it is known by the Manual J method that 1 ton central AC will cool down approximately 500 sq ft. Based on this fact, you would need 2-2.5 ton central AC.
On/Off valves in radiators turned off or clogged Another possibility is an air bubble in the loop that services the radiators that are not heating. Correction is to bleed the loop.
how do you check freon on central ac and what should the guages read.
They transfer heat by the radiation
can a faluty thermostat affect your central ac working?
The color black neturally magnifies heat.