Guides
Numbers-based reading on coop ventilation, sized off the same extension-service publications the calculator uses.
The basics of chicken coop ventilation
How airflow works inside a coop, why moisture is the real enemy, and the cooperative-extension numbers every flock-keeper should know.
Winter ventilation without drafts
Why winter coops need more airflow than most keepers think, and how to keep it without chilling roost-height birds.
Summer ventilation and heat stress
When passive vents stop being enough, how to spot heat stress before it kills, and where a small fan earns its keep.
Ammonia and moisture: causes and fixes
Where ammonia comes from in a coop, why a sharp smell means the flock is already breathing it, and the order to fix it in.
Vent placement: high, low, and ridge options
Why a single vent never works, what to use for low inlets and high outlets, and where ridge vents earn their cost.
When to add a fan and when passive vents are enough
The conditions that push a coop past passive ventilation, what kind of fan actually helps, and where keepers waste money.
Seasonal Chicken Coop Inspection Checklist
Four times a year, a 30-minute walk-through catches ventilation gaps, structural rot, and hardware failures before they cost you birds. Here is exactly what to check and when.
What Size Chicken Coop Do I Need?
The standard rule is 4 sq ft per bird inside and 10 sq ft per bird in the run. Get the sizing math right before you build, and see how floor area drives your ventilation requirements.
How Much Space Do Chickens Need in a Coop
Minimum square footage per bird for standard hens, bantams, and large breeds, plus how stocking density drives your ventilation math.
How to Reduce Flies Around the Chicken Coop
Flies breed in wet manure and damp litter. Fix the moisture with better ventilation, manage the litter properly, and use traps or fly parasites for the population that remains. Here is the order of operations.
How to Clean a Chicken Coop: Step-by-Step Guide
Dirty litter produces ammonia that overwhelms even good ventilation. Clean on the right schedule, use the right bedding, and your airflow can actually do its job. Here is the order of operations.
How to Winterize Your Chicken Coop
Winterizing a chicken coop is mostly a ventilation problem. Here is a practical five-step process for balancing airflow, moisture, and bedding before cold weather arrives.
How to Predator-Proof Your Chicken Coop and Run
Five things that stop predators from taking your birds: the right wire, buried aprons, raccoon-proof latches, covered runs, and a door that closes before dark.
How to Prevent Frostbite in Backyard Chickens
Frostbite in chickens is a moisture problem, not a cold problem. Here is exactly how ventilation prevents it, with the numbers to back it up.
How to Keep Mice and Rats Out of the Chicken Coop
Rodents are drawn to feed, moisture, and shelter. Seal feed in metal containers, block every entry point with 1/2-inch hardware cloth, and keep bedding dry. Here is how to do each one right.
Sand vs Pine Shavings: Best Chicken Coop Bedding
Sand and pine shavings handle moisture differently, and that difference drives your ammonia levels. Here is how to choose based on your coop setup and climate.