What are the the five most important things I should know?
Check your quotes – not all glass are equal, Different brands and specification claims can confuse and may not give you the best value.
Low E glass is better and higher end Low E glass is better still. If you can afford it, it makes sense to do it once as best you can, but… glass is still not as warm as an insulated wall and curtains are still important too.
You don’t have to have all the same glass in every room – prioritise living and sleeping areas – that is areas where you mostly live in and heat.
Always get Argon Gas and go for the thickest space between the glass in the unit.
Don’t wait – If you can only afford a room or two do them, treat it like a project.
