Model 300 Passive House Blower Door System

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Product code: 300 PH

Model 300 Passive House

$3,925.00

Overview Features
Included Items
Tech Specs

The Most Accurate Passive House System

The Model 300 Passive House System is the ultimate solution for airtightness testing in high-performance buildings. Designed with groundbreaking flow measurement innovation, it delivers more power with less weight, making it the most advanced system available for Passive House and similar applications. This system includes the industry-changing DM32X gauge, ensuring precise and reliable measurements with every test.

Why Choose the Model 300?

The Model 300 is ideal for small, tight houses, apartments, and duct systems, offering the precision required for stringent Passive House standards. Its engineered square corners on the door panel make it 75% tighter than any other system, ensuring unmatched accuracy in airtightness testing.

The aluminum frame features quick-connect, injection-molded corners, reducing setup time with a snap-together, snap-apart design while also decreasing leakage by 75%. The flow nozzle and centrifugal fan provide extreme accuracy, measuring from 3 to 0.03 air changes per hour at 50 Pa, making this the perfect system for Passive House certification and beyond.

Who Uses the Model 300?

Energy auditors, HVAC contractors, building contractors, remodelers, and home inspectors rely on this system for accurate airtightness testing in ultra-efficient buildings.

1 x 300 Series Fan Set

300 Series Calibrated Fan
4″ Plug – Range 74
4″ Plug – Range 47
4″ Plug – Range 29
4″ Plug – Blank
End Plate 300 – Range 102
Power Cord
Control Panel
Blower Door Tubing Kit
Tubing Umbilical
Power Cord
System Calibration Verification Report

1 x SmartCloth™ Door Panel & Frame

SmartCloth™ Wind Dampening Cloth Door Fit for 300 Series Fan
Aluminum Frame, Etched with Sizing Markings
Traveling Case

1 x DM32X Gauge Package

DM32X Gauge
Gauge Case
USB-C Charging Cable
Cat5 Cable
ISO17025 calibration of DM32X
Gauge Calibration Verification Report

Fan Model #	300x
	Flow Into:	CFM	liters/sec	m3/h
Maximum Flow, CFM	Free Air	798	376.6	1355.8
Maximum Flow, CFM	25 Pa	719.8	339.7	1222.9
Minimum Flow	Range 102 – Standard	164.3	77.5	279.1
	Range 74 – Standard	28.1	13.3	47.7
	Range 47 – Standard	12.5	5.9	21.2
	Range 29 – Optional	5.2	2.5	8.8
	Range 18 – Optional	2.2	1.0	3.7
	Range 11 – Optional	0.9	0.4	1.5
	Range 07 – Optional	0.3	0.14	0.51
	Range 03 – Optional	0.1	0.04	0.17
Dimensions	14″ × 12.5″ × 14.5″ (35.5 x 32 x 37 cm)
Weight	14 lb (6.3 kg)
Flow Accuracy	+/-3% ISO 17025 accredited certificate available
Power Supply	Input: 120V/60Hz, 240V/50Hz, or 110V/50Hz Output: 48V DC/ 3.31A
Power Output	0.213 hp, 159 Watts
Maximum Fan Calibration Interval	Every 5 years or sooner depending on standard
Digital Gauge Model	DM32X (Click Here)