by Haglid Engineering | Dec 29, 2022 | CNC, Energy Recovery, humidity control, HVAC, Long Ass ERV, machine shops, Thermal Comfort
Machine shops, notorious for indoor air nightmares, take on added environmental concerns when CNC is the heart of the shop. Proper Computerized Numerical Control or computerized manufacturing requires a good deal of temperature and humidity control to achieve...
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 | Jul 21, 2022 | air conditioning, Cooling, Energy Efficient, HVAC, Long Ass ERV
Air Conditioning Appreciation Days are celebrated from July 3 to August 15 of every year to honor the invention and role of air conditioning in modern society. An engineer named Willis Carrier invented the first cooling system (aka air conditioner) to help dry ink...
by Haglid Engineering | May 23, 2022 | Air Flow, centrifugal fans, Clean Energy, Cooling, energy efficiency, Heating, HVAC
At BPE, you could say FanTech made us ‘big fans’ of its FKD series of centrifugal fans. In particular, we use FKD-14 models often; they are high quality, 100% speed controllable, single-phase, and 120 VAC with 4.8 amps...
by Haglid Engineering | Apr 22, 2022 | Cooling, Demand control ventilation, Energy Bills, Energy Recovery, ERV, Heating, HVAC, Long Ass ERV, Save Money
Most people agree that reusing something rather than disposing of it is beneficial to the planet and the bank account. Fewer people understand that this principle can reduce the planet-snuffing emissions coming from the world’s building stock. Frankly, some folks...
by Haglid Engineering | Mar 14, 2022 | America Rescue Plan, Clean Energy, Energy Efficient, Energy Recovery, ERV, HVAC, School Building
In an earlier article, we discussed how schools can take advantage of the American Rescue Plan to retrofit and green up their HVAC systems. (Can the American Rescue Plan Help Public Schools Make the Grade?) As we’ve pointed out, the best way to achieve healthy...