Blue Collars Journal

Plumbing and HVAC advice from Charleston techs

Straight answers on the repairs we get called out for most, written by the licensed crew that does the work.

Topics
Newly installed residential water heater with copper connections and a small expansion tank in a sunlit garage
Featured Water Heaters

What Water Heater Replacement Costs in Charleston, and What Changes the Number

What water heater replacement really costs in Charleston, the price bands most homes fall into, and the local code driver that quietly changes the number.

Blue Collars 10 min read
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Latest articles

137 articles
Small white lidded trash bin on the tile floor beside a white toilet in a bright bathroom lit by a side window
Drain Cleaning

Can You Flush Pads Down the Toilet?

Pads are never flushable. Why a pad fails differently from a tampon or a wipe, where it stops in your line, who pays for it, and what to do if one went down.

Outdoor heat pump condenser beside a clapboard Charleston house with white vapor rising off it during a defrost cycle on a bright winter morning
AC & Heating

Heat Pump Blowing Cold Air in Charleston: Normal, or a Real Fault?

Air from a working heat pump is 90 to 105 degrees, so it feels cool at the vent. How to tell a normal defrost cycle from a real fault, and what emergency heat costs.

Seawater standing over a cast iron storm drain grate and spreading along a Charleston street of clapboard houses under a clear blue sky
Drain Cleaning

Why Your Drains Slow Down on a Sunny Day: Charleston Tide Problem

Rain within two hours of high tide drains significantly slower, per the City. How the tide reaches your sewer, and the two things that are actually yours to fix.

HVAC technician crouched beside an outdoor air conditioning condenser with a refrigerant gauge manifold connected to the service ports
AC & Heating

Your AC Refrigerant Is Not Banned: What the Federal Rule Actually Says

EPA states there is no requirement to stop using equipment in use, and that you can repair it including the condenser or compressor. What changed, and what did not.

Blue Collars technician reaching into an open toilet tank to check the fill valve, with a tool bag on the floor behind him
Plumbing

What a Running Toilet Actually Costs on a Charleston Water Bill

About $17.92 per 1,000 gallons inside the city, and roughly 80 percent of that is sewer, not water. Plus why CWS says toilet leaks do not qualify for an adjustment.

Blue Collars technician kneeling at an open kitchen cabinet working on the drain beneath a sink, with a tool bag beside him
Drain Cleaning

One Slow Drain or Every Drain: How to Tell a Fixture Clog From a Main Line Problem

If one fixture is slow it is a local clog. If two or more are, it is the line serving the whole house. The thirty second test, and why your cleanout is the answer.

Blue Collars technician and a homeowner sitting together at a kitchen table looking at a laptop in a bright Charleston kitchen
Pricing

That Letter About Your Sewer Line: Is It Real, and Is It Worth It?

Charleston Water System really does partner with HomeServe. What the coverage does, what the letter leaves out, and the refund rights South Carolina law gives you.

Hand reaching for the round wheel handle of an old corroded brass gate valve on a copper water pipe against a white wall
Emergency

The Shut-Off Valve That Will Not Turn: What to Do in the Sixty Seconds That Matter

A stuck shut-off valve is the moment a small leak becomes a big one. Why they seize here, what not to do, and the fifteen minute test that stops it happening.

Hand holding a small magnet against an old galvanized steel water pipe with threaded fittings where it enters a painted wall
Plumbing

Galvanized Pipe in Charleston: Which One the Federal Rule Actually Means

A federal rule now treats one specific galvanized pipe as requiring replacement, and it is not the one in your walls. How to tell which you have, using a magnet.

Homeowner at a bright kitchen island checking a contractor on a laptop, with a paper estimate on the counter beside them
Pricing

How to Check a South Carolina Plumber's License in About Two Minutes

South Carolina publishes a free contractor license lookup. How to search it, the two quirks that make a valid license look fake, and how to read the classification codes.

Residential water heater standing on a concrete pad in the open ground level area beneath an elevated Lowcountry house, with white piles and lattice screening
Water Heaters

Your Water Heater Is Probably Below the Flood Line, and Nobody Quotes That

Charleston requires 1 to 2 feet above base flood elevation. Where your water heater sits, when the federal rule applies to it, and what moving it actually involves.

Excavated water service line trench beside a historic Charleston sidewalk, showing the pipe where it runs from the street toward the house
Plumbing

Lead Service Lines in Charleston: How to Read Your Result and What Yellow Means

Charleston Water System maps about 6,000 lead service lines. How to look up your address, what each color means, and what a yellow result does not tell you.

Fire hydrant flushing a clear arc of water across a sunlit residential street lined with live oaks and Spanish moss in the South Carolina Lowcountry
Plumbing

Brown Water in Mount Pleasant: When It Is the Utility and When It Is Your House

Brown water from your Mount Pleasant taps is usually hydrant flushing, not a plumbing fault. Here is how to tell, and when it really is your own house.

8 min
Outdoor air conditioning condenser on a raised wooden platform beside an elevated Lowcountry home with palmetto trees
AC & Heating

Flood Zone Homes in Charleston Need the Condenser Raised, and Here Is What That Adds

If your Charleston home sits in a Special Flood Hazard Area, FEMA rules can require the condenser raised. Here is who that applies to and what it adds.

7 min
A wall mounted tankless water heater beside a traditional cylindrical tank water heater in a bright utility room
Water Heaters

Tank or Tankless: The Cost Comparison That Actually Matters

Sticker price is the wrong number. Here is what tank and tankless water heaters actually cost across ten years, including the servicing nobody quotes you.

8 min
Two printed plumbing repair estimates side by side on a kitchen table beside a pipe wrench and copper fittings
Plumbing

Why Two Plumbers Quote Different Prices for the Same Job

The cheaper plumbing quote is usually the one that left something out. Here are the five things that legitimately move the number, and how to compare.

8 min
Why is hot water pressure low only in parts of your home columbia sc guide
Water Heaters

Why Is Hot Water Pressure Low Only in Parts of Your Home? (Columbia, SC Guide)

Hot water pressure low in only parts of your Columbia, SC home? Learn why hot and cold pressure differ, the most common causes by room, and when to call a plumber.

20 min
Low water pressure in your columbia home causes when to call a plumber
Plumbing

Low Water Pressure in Your Columbia Home? Causes & When to Call a Plumber

Low water pressure in your Columbia, SC home? Learn the most common causes, how to diagnose the problem, and when to call a licensed plumber in the Midlands.

15 min