Who is the app for?

Owners of whole-house evaporative coolers benefit most from the app. A whole-house cooler is the kind mounted permanently in a window, through the wall (like an A/C), and even some are roof mounted. These cooler units have a permanent connected water supply from the main water supply and are not portable, i.e. not on wheels. (Portable units are best used on outdoor patios, not indoors.)

What if I don't have an evaporative cooler? Yet? Or never?

All is good! You can use the app to look at your historical weather conditions to help you device if it even makes any sense to use an evaporative cooler at your location. The historical weather data is sourced from the Copernicus Programme's ERA5-Land dataset, which provides historical weather model data for every point on land on the planet for many years into the past.

You don't have to guess whether your location is suitable for evaporative cooling! Try out the app, provide your location in order to generate a weather forecast and history profile. Then take a look at how well evaporative cooling would have worked in recent years at your home! Seeing the past performance is a great way to put your location into context for the future. Of course, the future is always elusive, but the app gives you the information you need to help make your own decisions.

Check out the "Savings" tab in the app to explore your home's historical climate, in terms of evaporative coolability.

Can I use it for running a house fan, only? No evaporative cooler, just a house fan or window fans?

The app will recommend "Fan Mode" from time to time, which you can use to judge whether to open your windows and run ventilation fans. Just remember to make note of the forecast for the next change in the forecast. This is located in the "My Guide" sub-tab on the Home screen.

Fan mode is only recommended when the outdoor temperature falls within your comfort range. You can customize the comfort range in the "Settings" tab.

Using fans to bring fresh air through a home is a wonderful joy in certain climates. You can even save on air conditioning by using overnight cool air as "free air conditioning" to pre-cool your home, using far less electricity and much more clean fresh air than an air conditioner.

What exactly does the app DO?

The app uses complex equations to project the indoor conditions that your evaporative cooler will generate, based on the current forecast.

The best way to understand this is to install the app, allow for providing your location for the weather forecast (just once is fine, it doesn't need or use persistent tracking), and then in a moment or two, your current weather forecast will update on the screen along with the details about whether whole-house evaporative cooling will work well or not. You can check the "Savings" tab to look at the historical record as well, to help view your past weather. If you adjust your comfort settings, the indoor forecast will refresh with updated suggestions about when and if evaporative cooling will work for your personal preferences, and within a minute or so, the historical analysis under the "Savings" tab will also refresh with new numbers.

Basically: What you get is an indoor forecast for the indoor temperature and indoor humidity, because an evaporative cooler is not really like an air-conditioner... Instead of a setting a specific temperature set-point like you would on a thermostat, most whole-house evaporative coolers have a much simpler control, where you choose from: On, Off, Fan-Mode Only, and Cooling Mode (wet). The "Cooling" mode is the same as "Fan" mode, except that it also turns on a water pump that circulates fresh water through the evaporative pad, providing the means for air drawn by the fan to transfer heat from the air into the water, and in arid regions: blowing amazingly cool and refreshingly moist air, as good if not better than the output of refrigerant-based air-conditioners.

However, as owners of evaporative coolers know- you only get cool and comfortable air indoors when the outdoor conditions are favorable: only when it's dry enough out, with a low enough humidity.

This app lets you know in advance when the swamp cooler will actually deliver cool and dry enough air or not! Also, the app will let you personalize the limits for how high you prefer the relative humidity to rise in your home, and how warm you prefer, to avoid getting too humid, and/or too warm inside.. The app is pre-set with reasonable default comfort settings, but you can easily adjust the app to accomodate your personal comfort preferences.

The app answers the following questions:

• Will my swamp cooler work right now? (Using the current forecast for your location.)
• How warm and what humidity will my cooler produce right now? (Based on your current forecast.)
• Should I prefer to run the cooler in Fan-Only mode instead? If the outdoor temperatures are within your comfort ranges.
• When should I switch between cooler modes, based on the current forecast?
• E.g. When should I switch from cooling to fan mode this evening?
• E.g. When should I switch from fan mode to cooling mode tomorrow morning?
• E.g. Will it be too humid at any point to run the cooling mode today? Tomorrow? This week?

Eliminate your cooling uncertainty with this app! Enjoy the "superpower" of knowing that the forecast bodes well for your evaporative cooler, or get a step ahead when the forecast indicates your cooler won't work well in the upcoming hours or days.

Remember though that every forecast is a guess, and weather sometimes doesn't follow the predictions. With this app, you get easy to use insights into the conditions for evaporative cooling for your forecast. Instead of using a tool like the static Arizona Almanac tabular grid, to know if this is going to be a swamp cooler day or week ahead, you can use the app to see your outdoor forecast translated into an indoor forecast.

Swamp Cooler Pads

Initially, only swamp coolers (aka evaporative coolers) using Celdek™ pads are well-supported. The Celdek™ pads are the rigid cardboard-like honeycomb type pads, usually 2 inches thick. The app's projections for indoor conditions using Celdek™ pads has been rigorously tested for over two years, to help refine the underlying math to get very precise projections.

Stay Responsible

Of course, no projection and no forecast is ever perfect... Always monitor and manage your home's indoor humidity and temperature levels with the responsibility and care that it requires. Always follow the manufacturer's recommendations.