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Maintenance · Lindenhurst, NY · September 2026
Gas Furnace Safety Tune-Up in Lindenhurst
Member tune-up on a Rheem Classic Quiet 80 gas furnace, with CO checks at the furnace and two supply registers
Before
AfterPhotos are lightly enhanced for clarity. The work shown is as installed or serviced.
The problem
A Home+ member in Lindenhurst booked a heating tune-up for their Rheem Classic Quiet 80 gas furnace in September, ahead of the heating season. A gas furnace is easiest to check before it has to heat the house through a cold night. Going in, we wanted to know two things: whether the filter was letting air move freely, and whether any carbon monoxide was reaching the living space.
Our solution
We did a heating performance and safety tune-up under the homeowner's Home+ membership. The member tune-up's scope covers a full system inspection, a combustion safety check, electrical testing, airflow verification, filter inspection, temperature-rise measurement and an operational performance check. The photos show two parts of that visit. We tested for carbon monoxide with a digital CO meter at the furnace cabinet, then at a wall supply register and a floor supply register in the living space. We also inspected the filter and photographed what we found.
The result
The CO meter read 0 PPM at the furnace cabinet and at both supply registers we checked. The filter photos and the meter readings went into the homeowner's records. The heating tune-up was covered under the homeowner's Home+ membership, and the furnace went into the heating season inspected, tested and documented.
Serviced
- Rheem Classic Quiet 80 gas furnace (serviced)
Highlights
- 0 PPM carbon monoxide at the furnace cabinet, a wall supply register and a floor supply register
- Rheem Classic Quiet 80 gas furnace serviced under a Home+ member heating tune-up
- Filter inspected at the return grille (12x20x1, MERV 11) and photographed, including a close-up of a heavily dust-loaded pleated filter
- Member tune-up scope covers combustion safety, electrical, airflow and temperature-rise checks
- CO readings photographed, including a timestamped meter screen at the furnace cabinet
Scope of work
- 01Heating performance and safety tune-up on a Rheem Classic Quiet 80 gas furnace (Home+ member tune-up)
- 02Member tune-up checklist per the service scope: full system inspection, combustion safety check, electrical testing, airflow verification, temperature-rise measurement and an operational performance check
- 03Filter inspection, with filter condition photographed
- 04Carbon monoxide testing with a digital CO meter at the furnace cabinet and at a wall and a floor supply register
- 05Photo documentation of the CO readings and filter condition for the homeowner
More photos from the job
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The Rheem Classic Quiet 80 gas furnace in its utility closet, with its vent pipe and yellow flexible gas line. -
The same test in the living space at a wall supply register: 0 PPM. -
We tested a floor supply register too. The meter still reads 0 PPM. -
Filter inspection at the return grille: a 12x20x1 MERV 11 pleated filter seated in the hinged grille.
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