2011: Retrotec was the prime developer of the large building airtightness testing Protocol for the U.S. Army Corp of Engineers. 2013: Retrotec released the first Touch Screen WiFi gauge leaving behind all competing gauges. 2015: Retrotec produces 5 test fans, 5 door panel systems and custom software. New applications now complied with every Unfortunately, equipment for a blower door test costs around $3,500. A blower door is basically a ½ to 1 horsepower fan (it should move 300 to 5,000 cfm) placed in a tarp and sealed into a door frame. I set out to do my own testing. I scrounged a couple adjustable poles and taped a carpet drying fan (bought for under $100, an old furnace For the last 30 years, energy raters have been using blower doors to determine a building’s leakiness. The results of a blower-door test — reported as infiltration airflow (in cfm) at a pressure difference of 50 Pascals — usually reveal how tight a building is, but not the location of any leaks. Builders taking the lead in construction sector transformation - blower door testing now happening twice per week !!! The construction sector in Wanaka, New… | 19 comments on LinkedIn Model 3 110V System (with DG-1000) Includes Model 3 Fan (300 CFM to 6,300 CFM) DG-1000 Pressure and Flow Gauge Aluminum frame and nylon panel designed to fit an 8 foot door Fan Control Cable USB communication cable The Minneapolis Blower Door has long been recognized as $ 4,334.00. From $391.18/mo with. View sample plans. Quantity: Add to cart. The room integrity test is assessed with a blower door test. This airtightness test is used to measure the leakage of an enclosure. Based on the leakage, the software predicts the hold time and peak pressure performance of the rooms equipped with a clean agent suppression system. The door fan test will calculate the results considering the Retrotec 5100 Blower Door and 340 Duct Tester w/ DM32X Control Pack (Single DM32X comes with kit) Retrotec US5100 Blower Door System with Model 5000 Fan, Smart Cloth Panel, and Frame. Outsells all other makes & models! Test any residential house. Complete with a gauge, fan, 6 ranges, connectors, software and a 10-year warranty on the fan shell. Sections R402.4.1.2 and R104.5 indicate that a Florida blower door test must be done by an approved third party Energy Auditor or Energy Rater . Both titles require certification – either from the Building Performance Institute (BPI) or Residential Energy Services Network (RESNET) – to qualify. FCcyFo.