Old house, old windows. Ways to save on gas this winter

windows

We have an old tudor revival house in the Pacific Northwest. Our winters are mildly warm, but long. Our old house had insulation blown into the walls which may have done something… but the windows are still big, single pane leaded things, and there are a lot of them.

For about 5 months over the last winter we were footing $300/month bills to keep the place decently warm. We'd like an option that will be cost effective over another two winters, if not this winter.

  1. Ripping them out and installing new windows all around is too ambitious.
  2. Wrapping them in plastic is not possible because the plaster is sort of set around the sill in a quasi-adobe way/
  3. Is throwing on storm windows a good middle-of-the-road option?

I estimate we can do some if not all of them for less than $2K. Will that reduce drafts and heat loss? Would it pay off in the long run? And lastly, is it worth it to hire a contractor for a second eye and/or to measure out/order/install the storms at the turn of Autumn?

Best Answer

You should have a thermography of your house to address where major leaks are (leaky windows and thermal bridges at least).
Best option, if you don't want to replace all windows, is, at least, to have the ones you already have, at least for north north/east side double-glazed.
Another effective, and not as expensive as double glazing, thing that help is insulating your roof from outside, if attic i living space, or just put some centimetres of insulation on attic's floor. Also you can go haunting for draughts and seal them with silicone.