📞 (817) 393-1700 | ✉ donald@ac-whisperer.com | Johnson & Tarrant Counties, TX
Secrets of the A/C Whisperer

Practical HVAC tips from Donald — serving Cleburne, Burleson, Joshua, Mansfield & Southwest Tarrant County

Newsletter Archive

Summer 2026 • #12
Is Your Thermostat Lying to You?
Your thermostat might show 76° while you're sweating through your shirt — here's why that happens and what to do about it.
Summer 2026 • #11
Why Your House Feels Like a Sauna (Even When the AC Is Running)
If your home feels muggy and miserable even with the thermostat cranked down, the real culprit might not be heat — it's humidity.
Summer 2026 • #10
Heat Pumps vs. Central Air — What's Actually Best for North Texas?
Donald breaks down the heat pump vs. central air debate for Johnson and Tarrant county homeowners — including rebates, efficiency specs, and the mistakes that cost people real money.
Summer 2026 • #9
What Is SEER — And Why Should You Care?
SEER and SEER2 explained in plain English, plus the mistakes that cost North Texas homeowners real money every summer.
Summer 2026 • #8
Is Your Furnace Ready for Texas Winter?
Don't wait for the first freeze to find out your furnace has a problem — here's how to get ahead of it this fall.
Summer 2026 • #7
Your Summer HVAC Checklist: Do This Before the Heat Gets Serious
A quick checklist to get your AC ready before North Texas heat pushes it to the limit — and the common mistakes that turn small problems into emergency calls.
Summer 2026 • #6
Zone Your Home With Duct Dampers and Stop Cooling Rooms Nobody's In
Learn how motorized duct dampers can cut your Texas cooling bill by up to 30% — and the mistakes that can wreck your system if you do it wrong.
Summer 2026 • #5
Email Marketing vs Social Media: Which Actually Grows Your Business?
We break down which channel actually drives revenue for DFW small businesses — and show you the one move you can make this week to start getting better results.
Spring 2026 • #4
Is Your Compressor Sending You a Warning?
Your AC compressor rarely dies without warning — here's how to catch the signs before you're sweating through a North Texas summer without cool air.
Spring 2026 • #3
The Hidden Danger of Refrigerant Leaks
A refrigerant leak is never just a minor inconvenience — here's what's really at stake and how to catch it before it costs you.
Spring 2026 • #2
Why Your AC Runs But Never Cools Down
If your AC runs all day but your house stays warm, here are the most common culprits — and what you can do about them.
Spring 2026 • #1
The Hidden Water Damage Your HVAC System Can Cause — And How to Stop It
Clogged condensate drain lines are one of the most overlooked HVAC maintenance items — and one of the costliest when ignored.

25+ years of honest HVAC advice — no upsell, no fluff. New issues published each season. Questions? Call Donald at (817) 393-1700.