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Evaporative Coolers

Evaporative Cooler Chart (Humidity, Efficiency, Temperature Swamp Coolers)

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Will using an evaporative cooler be effective? This is exactly what the evaporative cooler chart (also called the swamp cooler chart) tells you. In this chart, we are going to look at the relationship between temperature and humidity for the use of evaporative coolers; this will tell us how efficient a swamp cooler can be … Read more

Categories Evaporative Coolers 2 Comments

5 Best Mini Portable Air Conditioners In 2023 (Personal Air Coolers, Actually)

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Let’s face it. Summer working days can be quite sweaty. Conventional A/C units might not be enough to cool us down (meaning our face and upper body). For personal cooling, you really do need a personal air conditioner. We talk about the tiny desktop air conditioner that can be put next to your face. Specifically, … Read more

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5 Best Evaporative Coolers (Swamp Coolers): With Ice Packs

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“Evaporative coolers can be a cost-effective cooling option.” (Energy Saver 101, Department Of Energy) Summers can be crazy hot. If you have a patio picnic, or just want the cool 15°F to 40°F breeze indoors, the best option is to choose an evaporative cooler. That’s why we have compiled a list of the best evaporative … Read more

Categories Evaporative Coolers 4 Comments

5 Best Ventless Air Conditioners In 2023 (No Window Access)

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air conditioner that don't need venting through the window

Cool air in. Hot air out. That’s the basic thermodynamics of every air conditioner. For that ‘Hot air out’ part, every air conditioner needs an exhaust hose to vent the hot air out. Of course, you’re probably looking for a ventless air conditioner. What is a ventless air conditioner? “Ventless air conditioner is an AC … Read more

Categories Air Conditioners, Evaporative Coolers, Portable Air Conditioners 11 Comments

4 Best Tent Air Conditioners For Camping (Truth About Tent Cooling)

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list of 2-person, 3-person, 4-person tent air conditioners for cool tents

We love camping. According to Statista, every year more than 40 million Americans go camping. Favorite season: Summer. If you don’t want to sweat profusely in your tent during those hot afternoons, you really need to check for the best tent air conditioner for camping. The tent air conditioner you can use on camping trips? … Read more

Categories Air Conditioners, Evaporative Coolers, Portable Air Conditioners 3 Comments

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HVAC metrics:

SEER = (1 × EER100% + 42 × EER75% + 45 × EER50% + 12 × EER25%)/100

EER = BTUcooling/W

HSPF = BTUheating/W

COP = Q (useful heat)/W (input work)

ACH = CFM x 60/Area x Heightceiling

Total Heat (BTU/hr.) = 4.5 x CFM x Δh (std. air)

Sensible Heat (BTU/hr) = 1.1 x CFM x Δt (std. air)

Latent Heat (BTU/hr) = 0.69 x CFM x Δgr. (std. air)

1 HP = 746 Watts

1 kW = 3413 BTU

 

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