9,000 BTU 115V wall mount system (WYS-19)
Out of stock
No longer sold new. Pioneer WYS Inverter+ (R-410A) is a legacy line, so it is kept out of the cross-brand comparisons and listed under legacy & discontinued instead. Prices below are the last ones recorded. For what Pioneer sells today, see Pioneer Diamante Essenza, Pioneer Diamante Pro, Pioneer Quantum Ultra, Pioneer Quantum Hyperformance, Pioneer Quantum Fresh.
Single-zone systems 8
12,000 BTU 115V wall mount system (WYS-19)
Out of stock
9,000 BTU wall mount system (WYS-19)
Out of stock
36,000 BTU wall mount system (WYS-19)
Out of stock
30,000 BTU wall mount system (WYS-19)
Out of stock
24,000 BTU wall mount system (WYS-19)
Out of stock
18,000 BTU wall mount system (WYS-19)
Out of stock
12,000 BTU wall mount system (WYS-19)
Out of stock
Nothing in this line matches those filters.
About Pioneer WYS Inverter+ (R-410A)
WYS-19 high-wall systems. Previous generation: R-410A. Pioneer's store tags these units "R410aFinalSellout" (seen 2026-10-14); most are sold out.
Pioneer WYS Inverter+ questions
What is in the Pioneer WYS Inverter+ lineup?
MiniSplit Facts lists 8 Pioneer WYS Inverter+ products: 8 single-zone systems.
What warranty if you install it yourself does Pioneer WYS Inverter+ have?
8 of the 8 Pioneer WYS Inverter+ products we list have a published warranty if you install it yourself (Kept), for example the Pioneer WYS Inverter+ 9,000 BTU 115V wall mount system (WYS-19) and the Pioneer WYS Inverter+ 12,000 BTU 115V wall mount system (WYS-19). What the brand's warranty says when the owner installs the unit: kept, reduced, or void without a licensed installer. The quote is on the product page.
What is the largest Pioneer WYS Inverter+ system?
By size, the Pioneer WYS Inverter+ 36,000 BTU wall mount system (WYS-19) at 36,000 BTU/h.
Where can I buy Pioneer WYS Inverter+?
The stores with the most Pioneer WYS Inverter+ listings on file are Pioneer (8 products). Each product page lists every store we track, with the price and the date it was checked.
Answered from the catalogue data, as of October 14, 2026. How we compare.