DRG Mechanical, Inc.

08/18/2026

Your new furnace and AC do not just turn on and off anymore. They hold an actual conversation, whispering to each other in tiny voltage signals, almost like Morse code.

Which works great, right up until the power grid interrupts. Here is what surges and brownouts do to modern HVAC systems, and the simple way to protect yours:

Surges and brownouts can throw modern communicating HVAC systems into error codes. Here is how DRG Mechanical protects your equipment from a noisy power grid.

08/11/2026

Dirty duck, dirty duct. Only one of them is running through the air you breathe several times a day.

Just finished a remodel? There is a decent chance a layer of drywall dust is sitting in your ductwork right now, waiting for the AC to kick on. It is the number one thing we pull out of ducts.

Here is when duct cleaning is worth it and when it can wait:

What professional duct cleaning actually does, when your home needs it, and when it can wait. Straight talk from DRG Mechanical in Sioux Falls.

06/30/2026

The chlorine in your tap water did an important job getting it safely to your home. Here's the part most people don't realize: once it arrives, you probably don't want it anymore.

What it can quietly do to your skin, your hair, and the taste of everything you cook catches a lot of homeowners off guard.

Here's where it stops being helpful:

Chlorine keeps municipal water safe on the way to your home, but you may not want it once it arrives. How whole-home carbon filtration removes chlorine.

06/23/2026

You bought the good beans. You dialed in the grind. So why does your coffee at home still taste flat next to the coffee shop's?

There's one ingredient most people never think about, and it makes up almost every drop in the cup.

The fix is simpler than buying a fancier machine:

If your home coffee never tastes as good as the coffee shop's, your water's pH and minerals may be to blame. Here's how an RO remineralizer helps.

06/16/2026

That pink-red ring in your toilet that keeps coming back no matter how hard you scrub? Almost everyone blames their water and grabs the heavy-duty cleaner.

They're usually wrong about what's causing it, and the real answer is a lot easier to deal with than you'd think.

Here's what's actually going on:

That pink or red ring in your toilet bowl isn't iron, it's bacteria. Learn what causes it, why it keeps coming back, and what actually helps.

06/10/2026

Our phones issues have been resolved. You will be able to reach us on all numbers. Sorry for the inconvenience.

06/08/2026

We are currently experiencing phone issues with 712-478-4607. Please use 605-271-5710 to reach us.

06/05/2026

Ever had coffee with Jon?

There’s something special about the way he brews it. And no — it’s not just the beans. Turns out its the water that makes the biggest difference.

Learn more about DRG's approach to water treatment in our latest article: https://drgmechanical.com/home-water-treatment-system-guide/