Blog
Guides from Dave Lane's Hi-Tech Mechanical Inc.
Straight answers to the questions we hear most, written for our own customers.
October 20, 2026 · 4 min read
The Evaporator Coil and Condensate Line: The Part Nobody Looks at Until the Ceiling Stains
Your AC pulls a lot of water out of Gulf air, and it has to go somewhere.
October 20, 2026 · 4 min read
AC Blowing Warm Air: What You Can Safely Check Before You Call
Five minutes with the thermostat, the filter and the outdoor unit explains more breakdowns than you'd expect.
October 20, 2026 · 4 min read
Heat Pump or Gas Furnace for a North Houston Winter?
Most winters here are a handful of cold weeks, which changes the question you should be asking.
October 20, 2026 · 4 min read
What "Pulling a Vacuum" Means on a New AC Install, and Why to Ask About It
It's one of the least visible steps of a new installation, and one of the easiest to skip without you ever knowing.
October 20, 2026 · 4 min read
Why Your AC Runs All Afternoon When the Air Handler Lives in the Attic
A long run cycle on an August afternoon isn't always a broken system, but it is always a clue about your attic.