Airflow, Indoor Air Quality, NCI Article Library
Adding fresh air to a heating or cooling system accomplishes two primary indoor air quality goals: It helps control building pressures and improves indoor air quality by diluting polluted or stale indoor air. Outside air enters the system through a roof or sidewall...
Best Practices, Duct Renovation, Home and Building Performance, NCI Article Library, Performance-Based HVAC, Testing and Balancing
In Kingsville, Texas it's been over 100 degrees every day since early June. It hasn't rained for over a year and unless you've been watering your front lawn constantly, your yard is now only dirt. But if your cooling contractor is Four Seasons Air Conditioning and...
HVAC Sales, HVAC Service, NCI Article Library
Dan Foley is the President of Foley Mechanical serving the Washington DC Metro area. Foley Mechanical specializes in designing and installing hydronic heating systems, enhanced frequently by airside work. Dan started in the HVAC industry the Monday after he graduated...
Best Practices, HVAC Sales, NCI Article Library, Performance-Based HVAC
Our customers are different creatures than they were a decade ago; and they're a whole new species than what they were in the 80's. Some of us old timers remember scribbling a model number and a price on a proposal, pushing it across the table and hearing them mumble,...
Airflow, NCI Article Library, Technician Tips
Let's say you are working on a furnace, boiler or water heater, and when you take a draft reading the draft goes off scale. This is a good sign you have plenty of combustion air but the excess draft can cause poor fuel-air mixture or increased loss of energy. Using...
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