manfred said:
Question is, approx. 25 ft up and limb is 7 inch or so diameter. Can a pole saw do that?
Thanks in advance
Oh, back to the question, no, not from the ground. I have pruned hundreds of limbs from atop roofs, but only if it looks to be quicker than climbing the tree. The pitch of the roof has to be fairly shallow. I do not recommend cutting from the roof, however, but neither do I recommend cutting from a ladder.
At 25 feet up, 7" diameter and close to the house, I would be tying that limb off with a rope. Something that big, if it seperates from the tree and comes down crown-first (without rope), it could spring back and boing through a window or into your gas meter or do something that would obliterate the 'savings' you're anticipating. Also, with the rope, a second person can control the rope from the ground, allowing you to focus on cutting and maintaining your own personal safety during those few brief seconds of mahem, chaos and iminent destruction. Seems like a ladder job, but ladder work is frickin dangerous in and of itself, even without a saw in hand.
You will also want to then tie the rope higher up so you are able to pull the tree away from the house or at least tension it so there's no way the tree can fall backwards.
At 25 feet up, that big a limb, working from a ladder or the roof there's a lot that could go wrong. Really think about what you're doing. We don't want you getting hurt.