Before installing a garage door opener, you should
ensure that the door operates easily manually. The rule of thumb is
that if a ten year old child can lift the door with little or no effort,
the door is well balanced. If the door is hard to lift, you should have
Texas Garage Door and Opener check the springs and other hardware on
the door before installing an opener. Generally speaking, if you have
a two car garage door, you can use either a 1/2 horsepower opener or
for heavy wood doors, we now offer powerful 3/4 horsepower garage door
openers. Remember that the easier it is to open the door manually, the
easier it will be for the garage door opener to open the door and that
means the longer your garage door opener will last.