Andrew Herrick

12 POSTS52 COMMENTS

Andrew Herrick is an advanced RV technician and design engineer specializing in towables. Jack of all disciplines and master of none, Andrew enjoys explaining how RVs work (and sometimes why they don't). He blogs weekly at AskTheRVEngineer.com.

Maintenance & Repair

Tool Talk: Take a sneak peek into an RV technician’s tool bag

Andrew Herrick - December 1, 202315

Every RV owner needs a tool bugout bag. You need a small, simple bag of tools that will fix the most common annoyances and...

Maintenance & Repair

Your RV’s rubber roof thinner than a dime; damage could cost you $10,000 to fix

Andrew Herrick - November 3, 20235

If you have a rubber roof, then your beloved home-on-wheels is being protected by a flexible plastic sheet that is thinner than a dime....

Maintenance & Repair

There’s a switch hiding in your furnace that could cost you $200 to push!

Andrew Herrick - September 23, 202319

In my career as an RV-engineer-turned-RV-technician, I have discovered the existence of a hitherto unknown $200 switch. It looks like a simple $5 rocker...

Maintenance & Repair

Dear RV owner: Why are you so, so mean to your converter?

Andrew Herrick - August 19, 202311

I considered writing this post as a “Dear John” letter from the first-person perspective of your converter, but it’s hard to personify a circuit...

Maintenance & Repair

What’s the second-best thing you can do for your RV air conditioner?

Andrew Herrick - April 28, 202325

Your RV is a solar oven. You may consider it your adorable home-on-wheels, but to the 10,000-degree star burning 93 million miles away from...

Maintenance & Repair

Why your RV’s GVWR is different than its GAWR

Andrew Herrick - March 16, 20231

Alphabet soup is hard to choke down, I know. But if you can stomach the acronyms for a few minutes, I think you’ll learn...

RV Reviews

Beware the “ultra-lite” RV

Andrew Herrick - January 27, 202310

I just returned from the 2023 Florida RV SuperShow in Tampa, Florida. Over four days, I toured hundreds of trailers and coaches, from $15,000...

Maintenance & Repair

Hibernate smart: 5 steps to stop RV mold growth before it starts

Andrew Herrick - December 9, 20222

Mold may flower in the summer, but it’s planted in the winter. Or to riff off an old country proverb, “December cold brings May...

Maintenance & Repair

RV Engineer answers: “Is silicone sealant the worst thing ever for your RV?”

Andrew Herrick - November 11, 202215

If you like poking bears, stirring up hornets, and awakening sleeping dogs, then you’ll love the question, “Should I use silicone sealant on my...

Maintenance & Repair

RV engineer spills the dirty truth about RV cargo capacity

Andrew Herrick - November 4, 202241

In the alphabet soup of RV towing capacities, Cargo Carrying Capacity (CCC) is usually overshadowed by Gross Vehicle Weight Rating (GVWR), Gross Combined Weight...

Maintenance & Repair

RV engineer answers: Is maximum towing capacity just smoke and mirrors?

Andrew Herrick - October 28, 202235

You will almost never tow what you think you can. To those of you who have owned RVs for years, this isn’t breaking news....

Maintenance & Repair

Your RV’s R-value. Don’t believe it hook, line and sinker

Andrew Herrick - October 14, 202213

The R-value of your RV is kind of a joke. Oh, I know it sounds impressive. I know the 4-season “Arctic Package” is boasting sky-high...

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Andrew Herrick

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