HVAC Resource Center
Straight Answers for North Florida Homeowners
How heating and cooling equipment actually behaves in this climate. Practical HVAC information for Tallahassee homeowners, free to use while we prepare to launch.
Cooling
Cooling articles
Why Is My AC Running but Not Cooling?
Air is moving and the unit is running, but the house stays warm. These are the usual culprits, in rough order of likelihood.
Learn more CoolingSigns Your AC May Need to Be Replaced
Age alone does not condemn a system. These are the signals that actually matter when weighing repair against replacement.
Learn more CoolingWhy Is My AC Freezing Up?
Ice on an air conditioner in 95-degree weather always has a cause. Here is how to find and fix it.
Learn more CoolingHow Long Do Air Conditioners Last in Florida?
National lifespan figures assume a much shorter cooling season. Here is what drives equipment life in North Florida.
Learn moreMaintenance
Maintenance articles
How Often Should You Service Your AC in Florida?
National maintenance advice assumes a four-month cooling season. Here is what the schedule should look like in North Florida.
Learn more MaintenanceWhy Is My AC Drain Line Clogging?
Drain clogs are close to inevitable in a humid climate. Here is why, and what keeps them from flooding your ceiling.
Learn more MaintenancePreparing Your HVAC System for Florida Storm Season
A short checklist for before the storm, during the outage, and the moment power comes back.
Learn moreEfficiency
Efficiency articles
What Temperature Should I Set My AC in Tallahassee?
Comfort in a humid climate is about more than the number on the thermostat. Here is how to set yours sensibly.
Learn more EfficiencyHow to Lower Cooling Costs During a Tallahassee Summer
Start with the free changes, then the cheap ones, then the ones worth spending real money on.
Learn more EfficiencyWhat Size HVAC System Does My Home Need?
The square-footage rule of thumb is how homes end up cold, clammy, and short cycling. Here is what sizing actually involves.
Learn morePractical HVAC information for Tallahassee homeowners
Seminole Heating & Air is not yet accepting service requests. Until launch, this site is a practical HVAC resource for North Florida homeowners.