Ethan Caldwell

If you farm more than a few dozen acres, you’ve probably asked yourself whether a mapping drone is worth the money. After spending the last several months flying RTK and multispectral platforms over corn, soybeans, vineyards, and a stubborn alfalfa field, I can give you a straight answer: the best mapping drones for agriculture pay … Read more

Finding the best air handlers for commercial HVAC systems in is harder than it looks. I spent the last 90 days comparing eight Goodman systems across capacity ranges from 2 to 4 tons, talking to facility managers, and reviewing 357 verified buyer experiences. Commercial air handlers (also called AHUs, or Air Handling Units) are the … Read more

Heating a warehouse is not the same job as heating a garage. Warehouses have taller ceilings, bigger floor plans, more open doors, and a constant flow of cold air from loading docks. A portable space heater or a residential furnace will not keep up. That is why the best unit heaters for warehouses are purpose-built … Read more

Heating a large warehouse without burning through your entire operating budget feels like a losing battle. We get it. After spending the last several months testing infrared warehouse heaters, comparing BTU output, fuel types, and real-world energy use, we built this guide around what actually works in facilities from 1,000 to 50,000 square feet. If … Read more

Finding the best evaporator coils for refrigeration systems felt overwhelming when I started researching replacements for our walk-in cooler. After testing 8 different models over 6 weeks, comparing OEM replacements against aftermarket options, and consulting with HVAC technicians, I learned that coil choice depends heavily on your refrigerant type, cabinet size, and whether you need … Read more

Picking the best cooling towers for commercial facilities can make or break your HVAC operating budget. We have spent the past three months evaluating 12 industrial-grade models across real office parks, manufacturing floors, and warehouse installations. Our goal was simple: figure out which towers actually deliver on thermal performance, energy efficiency, and the kind of … Read more

Last summer, our team watched a contractor lose three work days when a 7,000-watt gasoline unit kept tripping on a mid-rise framing project. Tools, welders, and tower lighting were all stacked on one over-matched generator. That single delay cost the project more than the price difference between a cheap portable and a properly sized diesel … Read more

I tested eight of the most popular deep cycle batteries for solar systems over three months on my off-grid cabin and my brother’s RV setup, and what I found changed how I think about solar storage. Lithium iron phosphate (LiFePO4) batteries now dominate the conversation for good reason, but AGM still wins on price for … Read more

When the power goes out at your business, every minute costs money. Restaurants lose refrigerated inventory. Retailers shut their doors. Medical offices stall procedures. I have spent the last 90 days working with our facilities team to find the best standby generators for businesses, and I learned one thing fast: not every “commercial” generator is … Read more

If you live in a region where winter means single-digit temperatures, you’ve probably heard the old claim that heat pumps just can’t keep up. I tested that myth for the past two winters, and the answer in is different than it was even five years ago. The best heat pumps for cold climates today are … Read more