by Haglid Engineering | Nov 16, 2022 | Classroom Health, Corsi-Rosenthal boxes, COVID-19, Energy Recovery, ERV, HVAC, School Ventillation, ventilation
Do you have an uncomfortable indoor air story in your past and perhaps your present? Sure, you do. Was it a stifling classroom in the heat of summer and a freezing one in winter? Did you fight a sleepy, lethargic malaise while taking a test in high school? As an...
by Haglid Engineering | Oct 4, 2022 | COVID-19, IAQ, Indoor Air Quality, ventilation, Ventilation Systems
As the premiere indoor threat to our health, Covid-19 often tops HVAC conversations–especially since there is no definitive method to detect its viral load in the air. And while the virus is nothing to make light of, it’s not as if many buildings weren’t in dire...
by Haglid Engineering | Jun 2, 2022 | Climate, COVID-19, Energy Recovery Ventilators, EPA, Indoor Air Quality, Long Ass ERV, ventilation
Okay, so it isn’t exactly our challenge; technically, the Clean Air in Buildings Challenge comes from the EPA and the White House. We do stand behind it, however, and we certainly enjoy helping building owners and managers heed the call. When COVID-19 came along, more...
by Haglid Engineering | Jan 28, 2022 | America Rescue Plan, COVID-19, Energy Efficient, Healthy Schools, School HVAC, ventilation
The American Society of Civil Engineers’ 2021 Infrastructure Report Card gave the United States’ public school building stock (K-12) a D+–the same grade garnered in 2017. With many buildings aging past fifty years, vital facility repairs are many and corrective...
by Haglid Engineering | Nov 30, 2020 | COVID-19, Energy Recovery, Energy Recovery Ventilators, ERV, HVAC, Indoor Air Quality, mechanical ventilation
Hearing about the hobby some folks are discovering during the pandemic set our mechanical engineering instincts alight! While you’d be hard-pressed to think of any good coming out of COVID-19, many amateur engineers are spending the extra time at home flexing creative...
by Haglid Engineering | Nov 6, 2020 | COVID-19, Energy Recovery, ERV, Indoor Air Quality, Indoor Pollution, mechanical ventilation
Clients of Grateful Heads, a new hair salon in North Carolina, have more to be grateful for than they might realize. Sure, they leave their appointments with stunning styles, but owners April and Sam Kuhn seek to offer more than beauty to their clients. ...