Welcome to the forum.
Our 2015 Jay Flight has the 'Thermal Package'. The only easily visible thing on ours is the enclosed underbelly. It does not have double pane windows.
Hopefully someone will have better information for the 2006 Jayco (JayFlight?).
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Sherm & Terry w/rescue Eydie (min Schnauzer) & Charley (std Poodle)
SOLD:2015 Jay Flight 27RLS, GY Endurance (E), Days: 102 '15, 90 '16, 80 '17, 161 '18, 365+ '20
SOLD: 2006 Ford F350 PSD, 4WD, CC, LB, SRW, Camper pkg., 375,000mi
Full timing: Some will think you're crazy, some will be envious, just enjoy the freedom!
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