Resources

Educational guides for homeowners and professional tools for HVAC technicians

Homeowner Resources

Free guides to help you understand your home's air quality and comfort systems

Florida HVAC Research Library

Every HVAC topic specific to Florida's climate — searchable, filterable, written for homeowners not engineers.

Library

HVAC Glossary

TXV, SEER2, delta-T, formicary corrosion — every term on your invoice or service report explained in plain English.

Reference

Humidity & Indoor Air Quality

Why humidity matters, what the numbers mean, and how to keep your home in the comfort zone.

Guide

Dehumidification + Sizing Calculator

Florida humidity by season, the winter/fall/spring problem, interactive load calculator, and unit sizing with AHAM derate.

Calculator + Guide

HVAC FAQ

Straight answers to Florida homeowners' most common AC questions — humidity, cooling problems, noises, repair vs. replace, and more.

FAQ

Duct Cleaning & Preventive Maintenance

Why Florida systems are contaminated from day one — and what a real maintenance program actually looks like.

Maintenance

What a Cheap HVAC Install Actually Looks Like

The 11 corners that get cut on a low-bid Florida installation — and what each one costs you over 10 years.

Buying Guide

History of Air Conditioning

From pond ice and horse wagons to Willis Carrier's 1902 accident — the story of how AC made Florida livable.

History

HVAC Brand Comparison Guide

1–10 scorecard across 8 brands, recall history, ownership, coil corrosion data, and Florida suitability — all sourced and unbiased.

Research + Scorecard

Why Are My Vents Sweating?

Condensation on supply vents is a warning sign. Learn what causes it and when to call a pro.

Explainer

Florida Psychrometrics

The science behind heat, humidity, and comfort in Florida's climate — explained for homeowners.

Technical

AI-Driven IAQ as a Service

Premium indoor air quality programs for high-value properties — overview and service guide.

PDF

Latent Load Technical Bulletin

Action Air's technical position on latent heat, moisture load, and proper system sizing.

PDF

HVAC Systems & Mold

How your AC system affects mold risk — and what Action Air does differently to prevent it.

PDF

AC Troubleshooting Guide

Symptom-by-symptom triage: what to check yourself, what means call us, what can wait.

Interactive

Duct Size Checker

Is your ductwork big enough? Enter your system size and see the minimum return and supply trunk diameter your AC needs to breathe.

Interactive

Latent Heat Calculator

How much moisture does your AC actually remove? Set tonnage, sensible/latent split, and airflow — see pints per day, coil ΔT, and duct sizes.

Interactive

Tech Access

Professional diagnostic tools — access code required

Field Diagnostic App

Full HVAC field diagnostic tool for licensed technicians. Covers refrigerant, airflow, electrical, IAQ, and more.

Access Code Required

Need access? Call 727-365-8461 or email [email protected]