3Zebras: Tech News, Smart Home Guides and Digital How-To Tutorials
Battery Operated Heaters: Why Most Do Not Work as Advertised
A battery operated heater cannot warm a room, and the watt-hour math shows why. Compare real power station run times and what actually works off-grid.
Wall Mounted Space Heaters: Wiring and Clearance Requirements
A wall mounted space heater is hardwired, so check the manual. Compare Stelpro and Cadet clearances, 120 V vs 240 V current, and cutout sizes before you buy.
Small Space Heaters: Watts vs Room Size, and What It Costs to Run
Size a small space heater by watts, not marketing. See the 10 watts per square foot rule, the 1,500 W plug ceiling, and what an hour costs in Ontario.
Car Dash Cams: Parking Mode, Heat Failure, Storage and Loop Recording
Compare the car dash cam specs that matter: parking mode voltage cutoffs, heat and charging limits, loop clip length, and real microSD endurance ratings.
Solar Security Cameras: Winter Uptime and Panel Sizing
Will a solar powered security camera last a Canadian winter? Compare the 0°C charging cutoff, camera cold ratings and NRCan December yields before you buy.
Wired Outdoor Security Cameras: PoE Cabling and Night Range
Choosing a wired outdoor security camera? Compare PoE types, the 100 metre cable limit, real IR night range and cold ratings from manufacturer spec sheets.