My Bryant Hot Air Heating unit pilot is on but it is not blowing hot air - no visual of flame through the glass. System motor only works when the thermostat is set to Fan-on but not on Auto.

When I turned my heat on, it failed to heat properly. I put the settings on( Auto and Heat). It still failed to heat properly. So then I proceeded and put the settings on (On and Heat) It then started to heat properly. But, I know the settings should be (Auto and Heat). But, when I put it on...

How do I hook two heaters to one thermostat? Would like to see diagram.

My central air runs and cools good but, water is pooling at the base of the inside unit?

My house was built in 1999. Now I am having trouble with my furnace, since las year in October every time it wants to run; the flame comes on & off about 4 to 6 times before it really works & sometimes it shuts off and won't work at all & it gets very cold in the house. I have paid twice to replace...