Alansy HVAC
Commercial + Residential
Resources

For owners,
operators, and homeowners.

April 2026

Why Your Florida AC Runs All Day and the House Still Feels Sticky

Oversized equipment is the #1 humidity problem we resolve. Here's how we measure it and why a smaller system often feels better.

March 2026

The Economizer on Your RTU Is Probably Stuck — Here's How to Tell

Most commercial RTUs we open have economizer dampers stuck in a wrong position. It costs real money in cooling and ventilation imbalance.

February 2026

VRF vs. Split Systems for Mid-Size Commercial: When Each Wins

Not every building wants a VRF. We've installed both — here's the honest comparison on first cost, service, and energy.

January 2026

What a Real Manual J Looks Like (and What You're Probably Getting)

Most 'Manual J' load calcs in Florida residential are pre-canned. A real one takes 90 minutes and changes the answer.

May 2026

How Much Does AC Replacement Cost in Jacksonville in 2026?

The honest breakdown: equipment tier, labor, permits, and where most homeowners actually land. Plus what to ask before signing any quote.

April 2026

7 Signs You Need a New AC — Not Just Another Repair

Age, efficiency, refrigerant type, and repair history. We walk through the decision tree our techs use when the question comes up on a service call.

March 2026

Best Heat Pump Brands for Florida: Carrier vs. Trane vs. Daikin in 2026

Florida's heat and humidity stress equipment differently than the rest of the country. Efficiency ratings, dehumidification mode, and service availability compared.

March 2026

Ductwork Replacement vs. Sealing: What the Numbers Tell Us

We run duct-leakage tests before and after every job. Here's what the data actually shows about when full replacement beats sealing — and when it doesn't.

February 2026

AC Went Out in Florida Summer? Do These Five Things First

Before you call, check these five things — they resolve roughly 20% of emergency calls for free. Then here's what happens when you call us.

January 2026

Commercial Chiller Maintenance in Florida: What Your PM Contract Should Include

Chillers in humid, high-load climates fail differently than in colder states. Here's what our quarterly PM visits cover and what gets skipped elsewhere.