What a whole-system replacement should feel like on the first night
From the estimate to the first cool, quiet night, a complete system is one decision made well. Three questions decide whether it was.
From estimate to the first night
Day one. A Cook’s advisor measures the house, runs a load calculation, looks at the ducts and the panel, and asks about the rooms that never feel right.
Day three. Two or three complete Lennox configurations arrive with the quote, each a matched set: outdoor unit, air handler or furnace, thermostat, and the accessories the house needs.
Install day. The old system comes out, the new one goes in as described on the installation page, and the crew leaves after a commissioning that proves both seasons work.
The first night. This is where a complete system shows itself, and where three questions get answered.
Is it quiet?
A matched system with a variable-speed outdoor unit and a variable-speed air handler starts without a thump, runs at the lowest speed that holds the setpoint, and is quieter than the refrigerator. Single-stage systems are louder because they only run flat out. Where the air handler is in a hallway closet, Cook’s isolates and seals it so the ductwork doesn’t carry the sound. The first night in a Jacksonville house that had a 2006 single-stage system usually features someone getting up to check whether it’s on.
Is it dry?
The central promise of a complete system in Florida. A properly sized, multi-stage Lennox system runs long gentle cycles that hold the coil cold and pull humidity down into the low 50s, where the house feels comfortable at a higher thermostat setting. An oversized or single-stage system cools fast and leaves the moisture behind, which is the clammy-at-74 feeling the old system had. On a communicating Lennox system the thermostat can be told to prioritize dehumidification on sticky evenings.
Is it clean?
A complete system includes a filter cabinet sized for the airflow, a sealed return, a UV lamp at the coil where the house’s history calls for it, and the option of the Lennox Healthy Climate line for homes with allergies or documented particle problems. The startup smell the old system had, from a coil that grew things for fifteen years, is gone because the coil is new and protected.
The options on top
Two configurations deserve their own pages. The Lennox Ultimate Comfort System is the top of the line: the highest-tier components, purification and zoning working from one thermostat. Zoning systems divide the house into areas with their own temperatures, and are the answer for two-story homes and houses with a wing that’s always off.
Cook’s installs complete Lennox systems in all ten markets, registers the warranties in your name, and maintains the system afterward. Models, prices and the labor warranty term appear on your quote; ask for the term specifically. [[CONFIRM WITH JERRY]]
Whole-system questions
What counts as a complete system versus a replacement?
A replacement swaps a failed component. A complete system replaces the outdoor unit, the indoor unit, the controls and usually the accessories together, engineered as a match. The second costs more and performs like a single machine; the first is often a compromise.
Can zoning or Healthy Climate be added later?
Yes, and on a Lennox communicating system they integrate cleanly. Planning for them at install, with the right air handler and thermostat, is cheaper than retrofitting.
How many efficiency tiers are there to choose from?
Lennox groups its equipment into good, better and best collections, from single-stage through variable-speed. Cook’s quotes two or three configurations so the differences in comfort and cost are side by side.
Ready to replace the whole thing properly?
Free estimates on complete Lennox systems. Financing with low monthly payments.