Barely used Energy Auditing equipment for sale. Retrotec blower door and duct blaster, (Full kits, nothing missing, everything included). Both come with a DM32 Manometer (2 total, 1 with Wi-Fi capability). Blower door used only a handful of times, duct blaster has never been used other than to check it's operation. Total price new is $5,750.00. I'm asking $3,000.00. Please email me (Travis) at email@example.com anything.