Contractors in Wellington County

Guelph shares Kingston's limestone building tradition, and much of the older core is solid masonry rather than framed construction. The same cautions apply: interior insulation strategies that work on a stud wall can cause moisture problems in solid stone, and contractors who work on these buildings regularly are worth seeking out.

The city has grown steadily and has an active renovation market, with a notable local emphasis on energy efficiency retrofits. That is a good thing for homeowners, but it does mean encountering a wide spread of competence in a relatively young specialty - deep energy retrofit work rewards checking references carefully.

Guelph's water supply is entirely groundwater-based, and the city has long run among the more assertive water conservation programs in the province, which occasionally intersects with fixture and irrigation choices.