Useful Videos
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...
How Much Does It Cost to Replace an HVAC Transformer? DIY vs. Pro Pricing
If your thermostat suddenly goes blank or your HVAC system refuses to turn on, one of the most common culprits is a bad transformer. This small but...
Transformer Safety Tips Every Homeowner Should Know
Transformers may not look intimidating—they’re just small metal boxes with wires—but don’t let their size fool you. Your HVAC system’s transformer ...
Will This Goodman Transformer Work with Your Furnace or AC Unit? A Compatibility Guide
Replacing an HVAC transformer can feel intimidating—especially if you’re unsure whether the new part will actually work with your system.
The Goodm...
How to Tell If Your HVAC Transformer Is Bad (And When to Replace It)
If your thermostat has gone blank, your furnace won’t start, or your AC is silent on the hottest day of the year, one often-overlooked culprit coul...