When a furnace reaches the end of its life — a cracked heat exchanger, repeated failures, or simply age plus a heating bill that keeps climbing — replacement becomes the smarter math. The HVAC Doc installs high-efficiency gas and electric furnaces in Overland Park homes and handles the whole changeout, from permit to final startup.
We size the new furnace to your home's actual heat loss, not to the label on the old unit. An oversized furnace blasts, satisfies the thermostat and shuts off, leaving cold rooms at the far end of the duct run and a house that never feels evenly warm. Correct sizing paired with a variable-speed blower is what makes a home feel comfortable rather than merely heated.
Condensing furnaces at 90%+ efficiency need things older equipment did not: PVC intake and exhaust venting run to the correct termination points, a properly trapped condensate drain, and adequate combustion air. Skipping any of it causes nuisance lockouts for years afterward. We install to the manufacturer's spec and to code, and we pull the permit.
Startup includes gas pressure verification, temperature-rise measurement across the heat exchanger, blower speed set for your ductwork, the thermostat configured and run through a full heat cycle, and a walkthrough so you know how to operate and maintain the system. The old equipment leaves with us.
What This Includes
- Heat-loss calculation and equipment sizing
- Code-compliant venting and condensate drainage
- Permit handling and inspection
- Full startup, temperature-rise test and walkthrough