Just I just bought a vacation home. Just and I want to keep pipes from freezing in winter. Present The thermostat has R,R,O, black(W label) and G. BoughtI bought Honeywell RTH9585WF smart thermostat. Can I hook up AC and heat? Though only controlling heat remotely. WITH a 24v transformer? Option B (approved by Honeywell) is to switch out thermostat each change of seasons. Doable but a [aom
fixed up some of it, but there's a few things that probably needs someone who know these things better than I do to fix