3.5 Ton - 100,000 BTU - 80% AFUE - Downflow Heat Pump & Furnace Systems
4 matched systems, cheapest first. A 3.5 Ton system usually suits a home of roughly 1,750 to 2,100 square feet, paired here with a 100,000 BTU 80% AFUE downflow furnace. This is a standard efficiency furnace that vents through a metal flue. Every system ships with the outdoor unit and the matching indoor side together.
Same size, different furnace:
40K BTU · 92% · Horizontal80K BTU · 80% · Downflow80K BTU · 80% · Horizontal80K BTU · 80% · Upflow80K BTU · 92% · Horizontal80K BTU · 92% · Upflow80K BTU · 96% · Downflow80K BTU · 96% · Horizontal80K BTU · 96% · Upflow100K BTU · 80% · Horizontal100K BTU · 80% · Upflow100K BTU · 92% · Horizontal100K BTU · 92% · Upflow100K BTU · 96% · Downflow100K BTU · 96% · Horizontal100K BTU · 96% · Upflow
Goodman 3.5 Ton 15 SEER2 Heat Pump + 100k BTU 80% AFUE Gas Furnace System – GLZS4BA4210 / CAPTA4230C3 / GD9S801005CN15 SEER2 · 80% AFUE · 100,000 BTU · Downflow · Single Stage
$5,860.00
Goodman 3.5 Ton 15 SEER2 Heat Pump + 100k BTU 80% AFUE Gas Furnace System – GLZS4BA4210 / CAPTA4230C3 / GD9T801005CX15 SEER2 · 80% AFUE · 100,000 BTU · Downflow · Single Stage
$5,945.00
Goodman 3.5 Ton 15 SEER2 Heat Pump + 100k BTU 80% AFUE Gas Furnace System – GLZS5BA4210 / CAPTA4230C3 / GD9S801005CN15 SEER2 · 80% AFUE · 100,000 BTU · Downflow · Single Stage
$6,720.00
Goodman 3.5 Ton 15 SEER2 Heat Pump + 100k BTU 80% AFUE Gas Furnace System – GLZS5BA4210 / CAPTA4230C3 / GD9T801005CX15 SEER2 · 80% AFUE · 100,000 BTU · Downflow · Single Stage
$6,817.00
Not sure what you have? Send us a photo of the data plate on your outdoor unit and furnace, or call our team in Winder, GA at (877) 843-4822. Free shipping on orders over $99, and financing is available at checkout through Affirm. Need help with size? Try the sizing tool.