Two-Stage vs Modulating Furnace: Best Choice for Durham Region Homes

HVAC Zack technician installing a high-efficiency furnace plenum in an Oshawa basement.

Two-Stage vs Modulating Furnace: Best Choice for Durham Region Homes Homeowners replacing a furnace want quieter comfort, steady temperatures, and predictable bills. Builders want clean specs that pass inspection and make clients happy on day one.  This guide explains how two-stage and modulating furnaces differ, when each makes sense, and how they pair with heat […]