This is main home?

Trilevels are notorious for heating and cooling.

My recommendation on furnace is high eff modulating furnace that modulates both up and down based on demand.

What are your electric rates{{gwi:807}}? I would consider pairing with a high eff heat pump to help offset expensive propane winter heating fuel.

How would you describe home's building and insulation qualities?

Here is a link that explains operation in simple terms.

IMO

Here is a link that might be useful: High Eff Modulating Furnaces

This post was edited by tigerdunes on Tue, Jun 4, 13 at 13:02