Could be,
low on coolant,
faulty thermostat,
plugged heater core,
faulty temp blend door actuator.
She will, yes.
Cold does not necessarily come into a building from the floor. Heat rises in a room, so the room may, indeed, be cooler at the bottom, but that is because the heat in the room has risen.
contractions in cold /expansion in heat
That is the reaction of the cold lens meeting with the heat from the inside.
Yes, If the thermostat isn't working, It cant tell the heat to come on. Thermostat is the brain of a heating & cooling system. Most likely the thermostat itself has worn out and does need to be replaced. You can get another digital one or you can change to an older style if you so desire.
The heat migrate from hot to cold by conduction.
They can. Some mares continue to have heat cycles even during the cold months.
Bad or frozen thermostat
2005 nissan altrema 4 cylinda heat on blows cold when i speed up warm air will come out
The heater blower may not be working properly. Without the heater blower working, the air will not come through the vents.
My dogs didnt come in heat till they were 1 year old so give her a few months and she should come in heat.
No. The sizzling sound is from the fat contained in the sausages as they come into contact with heat.