How to replace old home thermostat?

My home thermostat is one of those old round dial jobs from the 1970s. I want to replace it with a new digital one. I have absolutely no clue about this sort of thing. Can anyone give me instructions? Thank you!How to replace old home thermostat?Well it should be pretty straight forward (notice I said should be)



I would recommend a programmable replacement. (pretty useful)



Not knowing what you have other than an old rotary and not knowing what your going to get I would hate to get into it and give you bad advice.



Get yourself to a Home Depot or Lowe's and find someone that works in the heating and cooling department to help with your decision on what will work. Ask them what the do's and dont's are. That way you will have a basic understanding then when your ready to install it there will be a hot line # you can call and they will be able to walk you step by step in correctly wiring it up.



Tools needed:

2 smaller screwdrivers one regular(flat blade) and one Phillips (star) depending on the included screws



Make sure before you start you turn the system off at the breaker and when your finished turn it back on and check to make sure it operates.



You can do it,



Good luck



.How to replace old home thermostat?The new digital one will come with instructions. More than likely, your old thermostat has two wires connected to it, it is a fairly easy job to replace it.How to replace old home thermostat?the instructions on the new one will probably make referance to a red and a white wire. this is the normal color code for a heat only 24v system. so assuming you have a 24v system (you probably do) then the 2 wires currently connected to your round thermostat should connect to the r and w spots on the new one. just read the instructions, they are usually really good, but often include a bunch of different variations that won't apply to you.How to replace old home thermostat?Here are instructions to replace a thermostat...