Furnace System GuidePayne and Carrier both sell gas furnaces, with Payne positioned as a value line and Carrier topping out at a modulating flagship. This page collects the specs each brand publishes on its own site, brand by brand, then notes where they differ on paper. It does not pick a winner.
How to Read This Comparison
Every spec below is taken from each manufacturer's own furnace pages, and each brand describes its lineup differently, so direct one-to-one matching is imperfect. AFUE figures are the top-of-line numbers each brand advertises.
AFUE measures fuel-to-heat efficiency only. It does not capture install quality, duct losses, dealer network, or price. Treat this as a paper-spec reference, not a verdict.
Where a brand did not publish a number on the page reviewed, this comparison leaves it out rather than estimating it.
Payne, As Published
Payne lists its PG97VTA gas furnace with an up to 97.0 percent AFUE rating. Payne states that a variable 25-speed blower motor and a two-stage gas valve provide enhanced levels of even temperature control, and describes the blower as a variable-speed, constant airflow ECM motor.
On coverage, Payne states that the PG97VTA carries a 10-Year Parts Limited Warranty upon timely registration and a 20-Year Heat Exchanger Limited Warranty, and notes that the model is ENERGY STAR qualified.
These are the figures Payne publishes on its PG97VTA page as of this review.
Carrier, As Published
Carrier positions the Infinity 98 Gas Furnace, model 59MN7, as its most advanced, energy-efficient furnace. Carrier states the Infinity 98 uses modulating operation that adjusts heat in 1 percent increments, paired with variable-speed blower motors.
On efficiency, Carrier's furnace page states that Comfort Series furnaces can provide energy savings with AFUE ratings of up to 95 percent. Carrier's lineup steps down from the modulating Infinity 98 to two-stage and single-stage models.
These are the figures Carrier publishes on its furnace overview page as of this review.
Where They Differ on Paper
The top of each lineup is built differently. Payne's published flagship, the PG97VTA, is a two-stage variable-speed furnace at up to 97.0 percent AFUE, while Carrier's flagship, the Infinity 98, is a modulating variable-speed furnace with efficiency framed as up to 95 percent for its Comfort Series.
Both brands use ECM variable-speed blowers. Payne publishes specific warranty terms, a 10-Year Parts and 20-Year Heat Exchanger warranty, while Carrier highlights modulation in 1 percent increments as its comfort feature.
The published specs do not settle which furnace is better for a given home. Price, the local dealer, install quality, and warranty registration all sit outside these numbers.