Danville · Local Project
Lennox Two-Stage Furnace Replacement & Installation
In Demand Plumbing, Heating & Air replaced an older gas furnace with a Lennox SL280 two-stage, variable-speed furnace. The installation included updated duct connections and integration with the existing HVAC system, providing modern heating equipment for the home.
Real work completed by In Demand Plumbing, Heating & Air for a local Danville property.
Project completed October 26, 2026.
The problem
What we found.
The home had an older gas furnace installed inside a narrow interior equipment closet. The existing system featured aging equipment, older duct connections, and a basic return-air filter arrangement. A furnace replacement was planned to modernize the home's heating equipment.
The solution
What our team did.
Removed the existing gas furnace and installed a Lennox SL280DF080NV60CK two-stage, 80% AFUE variable-speed gas furnace. The installation included new sheet-metal duct transitions, connection to the existing supply and return ductwork, and integration with the existing HVAC system. The completed installation was photographed inside the equipment closet.
Project photos
See the work.
Photos from this Danville project completed by In Demand Plumbing, Heating & Air.
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