Your fan's expected blow rate can be calculated from the amount of power it consumes and the pressure at which it works. The calculation will determine the fan's CFM value -- meaning how many cubic feet of air it displaces each minute. This value is essential to know when designing a ...
The Pick HVAC CFM Calculator is featured– and it gives you the ACH number you’re looking for. From there, you can determine if your current system is powerful enough to meet the airflow and air changes needs in your home. How many CFM do I need? Answer #1: 350 – 400 CFM per to...
This means that a 4” pick-up on a machine will use 395 CFM from the filtering system; or, if you know that a machine will require approximately 400 CFM to remove the waste, you should use a 4” pipe for that purpose. How do you calculate CFM for duct size? Duct CFM Calculation ...
Making aDIY dust collectorcan be a game-changer for maintaining a clean and safe workshop environment. With25 homemade dust collector plansto choose from, finding the right fit for your space and skills is easier than ever. These guides are crafted to help you construct a system that efficie...
Furnace or HVAC system filters can also remove particles and improve air quality. But they only work when the furnace or the HVAC system is running. You will increaseelectricity costsif you run them for more extended periods. But if you still want to use them to filter the air in your ho...
I would be interested in your opinion on the merits of use existing heating data rather than Manual J on sizing equipment for existing structures. I have extensive data on my HVAC system including power usage. Some professionals tell me this data is useless and the only way is Manual J. I...
Alright, let’s presume that you have 2,000 square feet home and want to figure out how many CFM you need for that. Here, we can use the 0.67 CFM per square foot average and calculate the CFMs for a 2,000 sq ft house like this: ...
Calculate the best size cooler for your home To determine the size of a swamp cooler, calculate the volume of space you need to cool and cut the number in half. The resulting number is the ideal value of the swamp cooler, which are measured and rated in cubic feet per minute (cfm), ...
According to The U.S. Department Of Energy recommendation for the size of room air conditioners: “…an air conditioner generally needs 20 BTU for each square foot of living space.” Based on room size, ceiling height, and other conditions, you can calculate how many BTU air conditioner you...