Energy recovery ventilators (ERVs) are designed to improve HVAC system performance by taking the energy from exhausted building air and using it to precondition incoming outdoor ventilation air. This ...

ROCKLAND, Mass.--(BUSINESS WIRE)--In times of extreme health risk such as the current pandemic, it’s important to have a good understanding of how outdoor air ventilation systems can reduce the spread ...

We have no idea whether [Nick Goodey] is a trained engineer or not. But given the detailed design of this DIY energy recovery ventilator for his home HVAC system, we’re going to go out on a limb and ...

Dear Jim: During winter when we heat or summer when we air condition, the indoor becomes stale. How can we get fresh air into the house without losing a lot of heat or letting in hot sticky humid air?

Sapphire Technologies develops and manufactures energy recovery systems such as turboexpanders that harness the power of gas expansion to produce reliable and clean electricity – reducing global ...

Natural gas pressure reduction systems play a pivotal role in ensuring the safe and efficient distribution of natural gas from high-pressure transmission pipelines to city-level distribution networks.