- How To Determine What Size Dehumidifier You Need
- Whole House Dehumidifier Cost
- How Do I Calculate How Many And What Size Dehumidifier(s) I Need For Bldg?
- Dehumidifier Sizes And Capacities
How To Determine What Size Dehumidifier You Need – We are doing some water management, mold mitigation, air sealing and insulation repairs on our church building, an old concrete block gymnasium.
On top of the above repairs/improvements, we want to adequately dehumidify the building.
How To Determine What Size Dehumidifier You Need
It won’t be a very tight building, but it won’t leak much either. We want to have more than we need, so the dehumidifier can hold more than it can’t.
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We like to use the plugged in style, we can put them in a corner and run a hose outside the doors to our drain so they can be easily replaced when they are out of service.
I read how on Amazon they list them for square footage, but I don’t know what that means. Is it to be believed? Shall we double it?
The building has 64000 cubic feet of air space, so if it’s a 50×80 footprint, a house with 8 foot ceilings has about 8000 square feet of air space.
You should avoid the cheap plug in Chinese dehumidifiers – they are poor quality and short cycle because the sensor is too close to the coil and poorly designed. Estimated life – during warranty period only.
Whole House Dehumidifier Cost
How do I calculate unit size? After the improvements we will have a blower door test. How can we do the calculations and unit sizes ourselves? I know the technical language is shrouded in arcane terms, but how does one calculate a DIY for HVAC needs?
How is the building cooled/heated? The largest dehumidifier installed in the ductwork may receive the next. What % are you trying to achieve?
Your drawing is helpful, but without measurements of current, I don’t believe there is an easy answer after that.
Whatever you do, make sure the units are piped to a drain so no one has to empty them.
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Before a show we’ll turn on the ac and try to get the building to 55F. Usually close. The units made so much noise that we had to slow down the fans to crawl between shows. The building was usually over 80F when the show was over.
SW Dweller said: How is the building cooled/heated? The largest dehumidifier installed in the ductwork may receive the next. What % are you trying to achieve? Your drawing is helpful, but without measurements of current, I don’t believe there is an easy answer after that. What about a blower test? What quality are you trying to achieve? Whatever you do, make sure the units are piped to a drain so no one has to empty them. I worked at a university and we had a theater that could seat 3100 people. Before a show we’ll turn on the ac and try to get the building to 55F. Usually close. The units made so much noise that we had to slow down the fans to crawl between shows. The building was usually over 80F when the show was over. Click to expand… The blower door test is to find the leak and make sure it’s too high. the aim? I do not know. If it is 7ach, more must be sealed. If 4 ach we call it good.
An inline dehumidifier costs more and costs more when it’s time to replace it. So we’ll skip that.
What does an HVAC guy do? Some I used when building 3 houses guessed the size as I didn’t see any actual tests. I have also seen them replaced with the same size unit. I imagine that energy codes are working towards better practices in more stringent areas.
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Of course that’s just esoteric knowledge, and how to size a unit isn’t rocket science. If I can’t get help here, I’ll contact some HVAC people and ask them how I can find a solution before hiring them.
This is an old thread, you may not get a response, and may be reviving an old thread. Consider creating a new thread. Proper humidity levels are essential to maintaining optimal air quality in a grow room, but effectively monitoring and controlling these levels can be challenging.
When designing and engineering an indoor garden, it is important to consider the amount of moisture produced as a result of plant transpiration, as too much moisture can dramatically affect crop production and quality. Molds like powdery mildew can destroy your entire harvest.
Investing in a high-quality dehumidifier can help ensure optimal humidity levels, but first, the right dehumidifier size must be determined; This will depend on the specific needs and wants of your grow room.
How Do I Calculate How Many And What Size Dehumidifier(s) I Need For Bldg?
To properly size a dehumidifier for your indoor grow house, first consider the specific environment you’ll be working in and the day-to-day operations you’ll be running. For example:
Below are some key factors to consider when determining the right size for your grow room dehumidifier:
To determine how much humidity you will need in your grow room, make a rough estimate of the number of plants in your space and how much water they will receive. For example, 30 plants receiving 1 gallon of water per plant per day means 30 gallons of water should be provided.
There are 8 pints in each gallon, which is 240 pints of water per day. This is converted to pounds per hour; 1 pint equals about 1 pound of moisture. So, in this example, 240 pints of water would equal 240 pounds of water per day. This means 10 pounds of moisture per hour must be removed in 24 hours.
Dehumidifier Sizes And Capacities
Plants exchange about 97% of the water they are given, so pinpointing the amount of watering you plan to do is an easy way to calculate how much moisture you need to remove each day.
Different types of grow rooms and plants require different temperatures to thrive, and different growing cycles require different temperature ranges.
For example, a cloning room can be started at 75 °F, and a flowering room for the same plant can be run at 78-80 °F. Temperatures in the drying and curing room may approach 65°F.
Dehumidifier solutions are rated based on their total moisture removal capacity. Capacity is measured in pints of moisture removed in a 24-hour period – a 30-pint dehumidifier model, for example, removes 30 pints of moisture every day.
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Again, with the understanding that 1 pint is approximately equal to 1 pound of moisture, daily pints can be converted to pounds per day or hour.
Also consider the type of media used for your grow room: What will the plants be grown in? Can they be mixed with soil and watered? Give them another underwear? Are they constantly irrigated? Transpiration rates will vary depending on your particular drainage and irrigation systems.
Ready to learn more about indoor farming and moisture management? Check out our free eBook, “Indoor Farming: Ensuring High Yields and High Quality Crops with Custom Dehumidification and Air Quality Systems.”
Or, reach out to the team today to discuss how we can help with your specific grow room needs. Dehumidifier Corporation of America (DCA) experts are ready to answer any questions you may have.
Best Dehumidifiers (2023 Guide)
We’ve only looked at three common problems here, but there are many other problems that can cause dehumidifier malfunction.
To read more about what can go wrong with dehumidifiers and how to fix problems quickly and efficiently, download our free dehumidifier troubleshooting guide today. Industrial buildings tend to have high ceilings, hence greater airflow from outside. Therefore, you need to consider for a stronger unit space than the house. Great care must be taken in what is stored in the space: for example, agricultural products will contain more water than sealed goods. High roofs take 30%, and high humidity conditions take 50%.
Use this simple guide to determine the right size dehumidifier for your home environment.
Go to the approximate size of the house and go to the severity of the problem to get an idea of the right product for the house.
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Simple to use yet an upgrade to traditional dehumidifiers used by professionals in flood restoration applications. Ecore Pro dehumidifiers have the advantage of being able to direct dry air into the space using flexible or plastic disposable ducting. All have a basic shape and controls on wheels with a drag handle.
A typical house will be comfortable to live in at around 50-70% relative humidity. Moreover, it depends on the preference of the home owner.
All dehumidifiers have a tolerance level regarding their accuracy. Thus, it can vary from 5-15%. Scales should be taken relative.
It depends on the size of the room, the drying in the room and the rate of air renewal