The motor is either single or two speed. You can change the size of the pulleys if yours has a belt. If it is direct drive, it runs at the speed it does.
No you can't repo a central heating and air unit. Because you are a licensed heating contractor you can put a lien on their home. You can sue them for the money, but the unit is now their property.
Central HVAC provides central air conditioning, central heating, and central ventilation packaged in one unit. As such it will heat, ventilate and cool your home.
British Gas has a website where they publish rates on gas and central heating. They also offer information on how to get a unit installed, and other options for heating and cooling your home.
There could be a draft causing the pilot light to go out.
Depending on what situation it is. If it is a small house central heating works better, if it is a big house then air conditioning works better.
is it really run ning or is it possible that you have a heat pump system and it is the heating portion of the system operating?
Floor heating is when you have heating units beneath your tiles that generates heat that radiates from beneath the home. Baseboard heaters are heater units that usually sit parallel to your baseboard. Each unit of baseboard heater is independent. Floor heating is more of a central heating unit.
look on the side of the fan there should be a few plugs switching them around should get the speed you want it.. just make sure you have the heat on high speed or you risk of burning up your heating elements.
it is the central processing unit
A FLUE is a chimney or vent. IE A flue was fitted to my central heating unit.
The outdoor portion of the central ac unit is what gives up the heat from indoors, so it has to be outside. For a more thorough explanation see the question: How does air conditioning work.
Connection problems, or natural failure after many years.