Reflecting on the Origins of Airtightness Testing with Harold Orr
Introduction At Retrotec, we have always been passionate about innovation in airtightness testing, which is why it was an absolute privilege to sit down with one of the pioneers of…
A Reflective Journey in Building a Sustainable Floral Cooler
Introduction As Co-CEO of Retrotec, a company at the forefront of building performance technology since 1995, I’ve had the privilege of contributing to the development of some of the industryās…
Determining Envelope Hole Size: ELA vs. EfLA vs. EqLA
One great feature of the DM32 and DM32X digital gauges is the ability to show the total hole size if all of the holes, cracks, and gaps in the building…
New Blower Door Tax Incentives/Fiscal Benefits in the Netherlands
A blower door test is a way to measure the air permeability of buildings. The test is used to measure air infiltration, air leakage, and general air tightness in a…
How to Build a Training Lab for Airtightness Testing
By Sam Meyers, Retrotec If you are a trainer or educator in the building science field, having a visual aid to demonstrate scenarios that occur in real buildings is the…
Detecting Thermal Bridges Requires More than Infrared Images
This article was originally published from Vakblad Heat Pumps in Dutch. A home must be sufficiently insulated to use a heat pump.Ā An infrared camera is often used to find out…
What if Houses Came with Manuals?
A guide to the āHouse As A Systemā approach to understanding comfort, IAQ, durability, and energy consumption issues caused by building air leakage and HVAC driven pressure imbalances in single-family…
5 Questions To Ask Yourself When Choosing A Duct Tester
Introduction Duct leakage is a large contributor to comfort issues, indoor air quality and energy consumption in a home. Typical duct systems lose 25 to 40 percent of the heating…
Historic Homes: Handle with Care
If youāve ever lived in a historic home, youāve likely noticed the level of comfort can change throughout different parts of the house. This can typically change throughout different times…
5 Questions to Ask Yourself When Choosing a Blower Door System
Introduction For those looking to improve building and HVAC performance, a blower door is a must-have. This tool measures and exposes air leaks in buildings, one of the most vital…