04:14AM | 06/21/03
Member Since: 06/20/03
1 lifetime posts
I'm working with a builder to finish the specs for a new home construction. The builder typically installs Carrier equipment.

The house will be a single story 2500 sf home located in Oklahoma City, OK.

The builder recommends I choose between the following setups:

Carrier 58MXA (95.5% AFUE) and 38TXA (13 SEER), or

Carrier 58DLA (80% AFUE) and 38TKB (10 SEER).

The builder also recommends a 4-zone system for either setup with a SpaceGard air filter. He assures me either system would be sized based upon Manual J load analysis.

Does anyone have any recommendations about how I approach the task of determining which setup is preferrable for me? Is it simply a matter of determining if I can afford the more efficient system, or are there other factors I need to consider?



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