Ethan Caldwell

When I first picked up a drone for surveying back in 2019, my team thought I was wasting money. Five years and roughly 4,000 acres of topographic data later, that drone has paid for itself twelve times over. The best survey drones for land surveyors have gone from a curiosity to essential kit, and choosing … Read more

I still remember my first proper crosswind landing in Microsoft Flight Simulator with no rudder pedals. I was 15 degrees off the centerline, the instructor in the YouTube tutorial kept yelling “RUDDER!” and my Xbox controller’s left thumbstick simply could not keep up. That is the moment every flight simmer eventually has. Without proper foot … Read more

Every pilot I know keeps a handheld aviation radio in their flight bag, and for good reason. The moment your panel-mounted COM radio dies, that little VHF transceiver becomes your lifeline to ATC. I started flying with a backup handheld years ago after a friend had an alternator failure at 5,500 feet, and watching him … Read more

Sizing a walk-in cooler starts with picking the right condensing unit, and that decision quietly decides your electric bill, your food safety, and how often you’ll be on the phone with a refrigeration tech. After spending weeks comparing 8 commercial-grade models and talking with foodservice operators and brewery owners, I pulled together the condensing units … Read more

Finding the best exhaust fans for commercial kitchens in means balancing airflow capacity, grease handling, noise, and code compliance. Our team spent eight weeks testing 8 different models in real restaurant and food truck settings, measuring how well each one pulled smoke, heat, and grease-laden air out of working kitchens. Commercial kitchen ventilation is not … Read more

When the grid goes down on a working farm, the clock starts ticking. Milk coolers stop, ventilation fans stall, irrigation pumps go silent, and grain dryers lose their heat. I’ve spent time talking to operators across small acreages, mid-size dairies, and large cattle ranches, and one truth comes up every time: the best diesel generators … Read more

A power outage in a retail store is more than an inconvenience. Refrigerated inventory can spoil in hours, Point of Sale systems go dark, and security cameras stop recording. After watching three grocery store clients lose thousands of dollars during a single ice storm, I started testing commercial generators for retail stores on every project … Read more

If you operate a retail store, strip mall, or showroom, choosing the best rooftop units for retail buildings can change the way customers experience your space. A properly sized RTU (rooftop unit) keeps your sales floor comfortable, protects merchandise from humidity damage, and can cut energy bills by 15 to 30 percent compared to older … Read more

I have spent the last three months helping a friend who owns a 48-room mid-scale hotel in coastal South Carolina pick out new PTAC units. We went through seven brands, sat through three sales calls, and read more spec sheets than I would like to admit. This guide is what I wish I had on … Read more

Choosing the best ERV systems for commercial buildings is one of those decisions that quietly shapes every utility bill, every sick day your tenants take, and every code inspection you pass. An Energy Recovery Ventilator (ERV) is a mechanical ventilation system that transfers both heat and moisture between outgoing stale air and incoming fresh air, … Read more