by Haglid Engineering | Jul 12, 2023 | Energy Recovery, ERVs, HVAC Installs, HVAC Tech
The Upper Fan has a Louver and fan box in front of it that is normally attached. This photograph is to show the fan module before the louver is added. The DOAS (Dedicated Outdoor Air System ) is shipped with the fan modules removed and packed around the ERM (Energy...
by Haglid Engineering | Apr 18, 2023 | energy efficiency, ERVs, HVAC, HVAC Installs
An ERV product line should accommodate the simplest to the most unique HVAC design needs–and efficiency should not suffer for it. Here’s a look at the heart of a high-efficiency commercial/industrial ERV followed by a variety of system layouts and duct...
by Haglid Engineering | Dec 18, 2020 | Carbon-neutral, Energy Recovery, ERVs, HVAC, Indoor Air Quality, Passive House
Referring to anything as ‘passive’ is rarely a compliment. Oddly enough, adopting passive methods to power our homes and buildings can ignite the fastest, most powerful sprint toward… cutting energy use by 80%, saving heaps of money. offering healthier indoor air...