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HVAC Blog

Stay updated with our latest blog posts.
Setting a home thermostat before leaving for vacation in Oklahoma City
Tips

Should You Turn Off Your AC When You Leave for Vacation?

Turning the AC off while you travel feels like the money-saver. In an Oklahoma summer, it can backfire. Here's what to set it to instead.
Direct Air technician cleaning an AC evaporator coil in an Oklahoma City home
Repairs & Troubleshooting

Why Does My AC Smell Musty?

A musty smell from your AC usually means one thing: moisture where it shouldn't be. Here's what causes it, how to fix it, and which smells mean stop now.
SEER2 efficiency rating label on a new residential AC unit in Oklahoma City
HVAC Basics

SEER2 in 2026: What the Rules Mean for Your Next AC

SEER2 isn't just jargon on a sticker. It's why new AC prices shifted and how much you'll pay to run one. Here's what it means for an OKC home.
Residential AC outdoor unit after a summer storm in Oklahoma City
Repairs & Troubleshooting

Summer Storms and Your AC: Outages, Surges, and What to Do

Oklahoma summer storms knock out power and send surges through your AC. Here's what to do after an outage, and how to protect the system.
Clean and dirty HVAC air filters side by side in an Oklahoma City home
Seasonal Maintenance

How Often Should You Really Change Your Air Filter?

"Every 90 days" is the answer on the box, and it's wrong for most Oklahoma homes. Here's how often you actually need to change your filter, and why.
Before and after cleaning a cottonwood-and-dirt-caked AC condenser coil at an Oklahoma home, Direct Air.
Seasonal Maintenance

Cottonwood, Red Dirt, and Your AC: Why Oklahoma Yards Clog Outdoor Units

Cottonwood, red dirt, and grass clippings cake an Oklahoma condenser fast. Here's what that buildup costs you, and how to protect the outdoor unit.