Useful Videos
Troubleshooting Guide: What to Do If Your Trim Kit Isn’t Sealing Properly
A through-the-wall air conditioner is only as good as the seal around it. That’s why the GE Wall Sleeve Trim Kit (RAK27) exists — to close gaps, bl...
Why Hotels, Apartments, and Multi-Unit Properties Use GE Wall Sleeve Trim Kits
When you walk into a hotel room or apartment, you probably don’t think twice about the air conditioner. But look closer, and you’ll notice a consis...
Will the RAK27 Fit My GE Through-the-Wall Unit? A Compatibility Guide
Buying a through-the-wall air conditioner is a big investment — and making sure all the parts fit together is just as important as choosing the rig...
Maintenance Tips for Your GE Trim Kit & Wall Sleeve
A through-the-wall air conditioner is only as strong as the structure that supports and protects it. While most homeowners focus on the AC unit its...
Weatherproofing Your Through-the-Wall AC: How the Trim Kit Helps
A through-the-wall air conditioner can be a game-changer for home comfort — but without the right accessories, it can also become a source of draft...
How Much Does It Cost to Install a GE Wall Sleeve Trim Kit? DIY vs. Pro Pricing
When it comes to installing a GE through-the-wall air conditioner, most homeowners focus on the big-ticket item: the AC unit itself. But as Mike — ...
RAK27 vs. Other Trim Kits: What’s the Difference?
When you’re installing a through-the-wall air conditioner, the trim kit might seem like a minor detail. But as Mike — a DIY-minded homeowner who ha...
Why You Need a Wall Sleeve & Trim Kit for Your GE Through-the-Wall AC
When most homeowners think about buying a new through-the-wall air conditioner, they focus on the main unit. But ask Mike — a practical, toolbelt-r...
What to Look for When Buying a Replacement 120V to 24V Transformer
If your furnace, air handler, or AC suddenly goes silent and your thermostat goes blank, there’s a good chance the culprit is your 24V control tran...
How Mark Fixed His Furnace by Replacing a $20 Transformer
It was the middle of January when my thermostat suddenly went dark. No heat, no fan, nothing. If you’ve ever been in that situation, you know the s...
Should You Upgrade to a Higher VA Transformer? Pros, Cons & When It Makes Sense
If your HVAC system’s transformer keeps blowing fuses or struggling to power your thermostat and accessories, you might be asking:
👉 Should I upgra...
Why HVAC Systems Use 24 Volts for Control Circuits (Explained Simply)
If you’ve ever opened your furnace or AC panel and seen thin thermostat wires connected to a transformer, you might wonder:
👉 Why do HVAC systems u...