Replacement & installationEast Norwich, NY·Central AC
Corroded Air Handler Out, New Central AC In: East Norwich
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Replacement & installation · East Norwich, NY · June 2026
Trane Furnace and Central AC Replacement in East Norwich
A Lennox Pulse gas furnace and an existing central AC, replaced with a two-stage Trane furnace and an R-454B Trane AC.
BeforeAfter
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- Before
- Install day, before removal: the Lennox Pulse furnace (right) in its narrow basement bay, with venting and ductwork overhead.
- After
- After: the new Trane furnace in the same bay, with its new gray vent pipes and foil-wrapped ductwork overhead.
Photos are lightly enhanced for clarity. The work shown is as installed or serviced.
The problem
During an estimate visit, our team documented a Lennox Pulse gas furnace tucked into a narrow basement bay. The homeowner chose to replace the furnace and an existing central air conditioner together, as one project.
Our solution
Indoors, we removed the Lennox Pulse and set a Trane S9X2 gas furnace in the same spot: 100,000 BTU, two-stage, 96% AFUE. Because it is a condensing furnace, it needs its own intake and exhaust venting and a condensate drain. The installation included new gray intake and exhaust vent connections, a PVC condensate drain assembly, a combustion kit, a gas flex connector, an electrical whip and a new filter, all fitted into a tight space. Outside, the existing air conditioner was replaced with a Trane 3.5-ton single-stage air conditioner that uses R-454B refrigerant. It went in with our central AC install kit, which covers the copper line set, condenser pad, brazing, refrigerant, drain pan, electrical whip and disconnect.
The result
This system now runs on Trane equipment for both heating and cooling: a two-stage, 96% AFUE gas furnace in the basement and a 3.5-ton R-454B air conditioner outside. The vent piping is neatly routed in a narrow bay, and the new outdoor unit sits square on its pad with a clean disconnect and whip. The installation carries a 2-year labor warranty. The project also included a Home+ Comfort Membership, which comes with two tune-ups a year, one for heating and one for cooling.
Installed
- Trane S9X2 96% AFUE 100,000 BTU two-stage gas furnace, model S9X2C100U5PSBB (installed)
- Trane 3.5-ton single-stage air conditioner condenser, R-454B, model 5TTR5042A1000B (installed)
- Lennox Pulse gas furnace, model not recorded (removed)
- Existing central air conditioner condenser, model not recorded (removed)
Highlights
- Lennox Pulse gas furnace replaced with a Trane S9X2 two-stage, 96% AFUE, 100,000 BTU gas furnace
- Existing outdoor air conditioner replaced with a Trane 3.5-ton single-stage unit using R-454B refrigerant
- New intake and exhaust vent connections and a PVC condensate drain assembly for the condensing furnace
- Furnace fitted into a narrow basement bay with neatly routed vent and gas piping
- Outdoor unit set on a new condenser pad with a disconnect and electrical whip
- Backed by a 2-year labor warranty, with a Home+ Comfort Membership included in the project
Scope of work
- 01Removed the existing Lennox Pulse gas furnace
- 02Installed a Trane S9X2 96% AFUE, 100,000 BTU two-stage gas furnace in the same location
- 03Gas furnace install kit: combustion kit, gas flex connector, PVC condensate drain assembly, electrical whip and filter
- 04New intake and exhaust vent connections at the furnace
- 05Removed the existing outdoor air conditioner condenser
- 06Installed a Trane 3.5-ton single-stage air conditioner using R-454B refrigerant
- 07Central AC install kit: copper line set, condenser pad, brazing, refrigerant, drain pan, electrical whip and disconnect
- 082-year labor warranty on the installation
- 09Home+ Comfort Membership, which includes two annual tune-ups (heating and cooling)
More photos from the job
-
Before: the badge on the home's Lennox Pulse gas furnace, photographed ahead of the replacement. -
The new Trane S9X2 furnace (lower left), with its gray intake and exhaust pipes rising from the top of the furnace. -
Outside: the new Trane 3.5-ton R-454B air conditioner on its new pad, with the disconnect and electrical whip.
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