It depends on what type of plants they are. More information is required.
Urm... They can't. They'll need light and water. As well as to be kept warm.Tropical plants can't cope with winter.
Why were your house plants outside? If they are outside they are not house plants. If they are tender and will not survive the winter slow down on the water and let them rest. In the SPRING INCREASE THE WATER AND THEY WILL FLOURISH FOR NEXT YEAR .
You should be able to root english ivy over winter. Just don't let the plants dry out as inside air is quite dry especially in winter.
yes
In the Winter put all the furniture in the shed or a garage and cover it up. In the summer make sure you clean it before taking it outside. It will be really clean outside and beautiful.
As long as it is well covered then a Guinea Pig can be out all winter. Preferably a Guinea Pig should be kept in a hutch in a Shed or Garage over winter but you can get some wonderful covers now called Hutch Huggers.
If the system is functioning, it should display a near value. Sometimes in summer, a higher value may be shown if the car has been sitting in the sun and is hot to the touch. Parking a car in a heated garage in the winter can make for high readings for a while until everything cools down to the outside temp.
yes it can
In winter, your guinea pig should be indoors. Ask someone to help you search for it.
If you live in a cold place, you can put the can outside. This works especially in the winter and at night. You can also place the can on the floor of a garage. Garage floors, especially at night, are fairly cold.
I HAVE BEEN HAVING TVs in the garage with heat and not to well below zero in Iowa and cant say i have had any difacultys. i also have a computer in here durning the winter.
you should mabey cover it with tree covers I think