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Two-Stage vs. Variable Speed Gas Furnace
QUESTION:I am having a 24 year-old gas furnace replaced in my home and am
considering units by Trane and American Standard. I have several
questions, which are listed below, that I hope some of you can answer:
1. Is there a difference in quality between Trane and American
Standard, given that Trane is owned by American Standard?
2. Each of the above manufacturers offers the following types of gas
furnace models, which are rated at 80% efficiency:
a) Single-stage
b) Two-stage
c) Variable speed with two-stage gas valve
The two-stage model is about $200 more than the single-stage and the
variable speed model is about $500 more than the two-stage model.
My question is what are the trade-offs between the three types of
models listed above. For example, what advantages does the variable
speed model offer over the two-stage model? Similarly, what advantages
does the two-stage model offer over the single-stage model?
ANSWER: two-stage and variable cost more , but will save you more in the long
run . the parts cost more also but worth it in savings. i have always
liked train , but dont know the differences in the two .
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