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Mark Johnson & Sons Plumbing Blog

Plumbing
tips for North Louisiana.

Seasonal guides, maintenance advice, and straight-talk explainers from our licensed plumbers — written for North Louisiana homeowners.

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Tips, guides & straight talk.

Page 1 of 6 · 134 articles total

HeatingSep 17, 2026

Heat Pump Not Heating in Ruston: Defrost, Aux Heat and What to Check

Heat pump not heating in Ruston? Learn what normal defrost and aux heat look like, which faults cause cold air, and what you can safely check first.

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HeatingSep 13, 2026

Dusty House in Shreveport? How Duct Leaks Pull Attic Air Inside

Dusty house in Shreveport right after you clean? See how return duct leaks and filter bypass pull attic dust inside, what to check and when to call.

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HeatingSep 9, 2026

Thermostat Not Working in Monroe: Blank Screens and Wrong Temperatures

Thermostat not working in Monroe? Learn why screens go blank or read wrong, what you can check safely, and when the real fault is in your HVAC system.

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HeatingSep 5, 2026

Furnace Burning Smell at First Startup in West Monroe: Normal or Not?

A furnace burning smell in West Monroe at first startup is often just dust. Learn which odors are normal, which signal danger, and when to call for he

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PlumbingSep 1, 2026

Sewer Smell in the House in Ruston: Dry Traps, Wax Rings and Vents

Sewer smell in your Ruston home? Learn how dry P-traps, failed wax rings, loose cleanouts and blocked vents let gas in, what to check and when to call

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water-qualityAug 29, 2026

Water Filtration Planning for West Monroe Homes: What to Document First

Water filtration planning in West Monroe starts with observations, fixture locations, timing, existing records, household demand, and access.

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water-heaterAug 23, 2026

Tankless Water Heater Installation Planning for Monroe Homes

Tankless water heater installation planning for Monroe homes covers demand, utilities, venting, location, drainage, access, and maintenance.

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EmergencyAug 20, 2026

What to Document Before Calling an Emergency Plumber in Ruston

Emergency plumber in Ruston call preparation covers timing, affected areas, visible water, shutoff status, hazards, and safe photos.

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water-heaterAug 14, 2026

Water Heater Repair or Replacement in Ruston: Questions for the Service Visit

Water heater repair or replacement in Ruston depends on condition, failure pattern, utilities, demand, access, and repair scope.

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generalAug 8, 2026

How to Compare Plumbers in Ruston Using Verifiable Service Standards

Plumbers in Ruston can be compared through verifiable service scope, explanation quality, written options, communication, and documentation.

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generalAug 3, 2026

What Happens During a Plumbing Service Visit in Ruston?

Plumbing service visit in Ruston stages include intake, observation, diagnosis, options, authorization, and documentation. Know what to expect.

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PlumbingJul 28, 2026

Main Sewer Line Clog in Monroe: When Every Drain Slows at Once

Main sewer line clog in your Monroe home? Learn the signs that separate it from one slow drain, what causes it, and what to do before help arrives.

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CoolingJul 23, 2026

High Indoor Humidity in Bossier City Homes With the AC Running

High indoor humidity in Bossier City even with the AC running? Learn why your home feels clammy, how to measure it and which fixes are worth a look.

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CoolingJul 18, 2026

Upstairs Too Hot in Shreveport? Why the Second Floor Will Not Cool

Upstairs too hot in your Shreveport home? Learn why second floors and bonus rooms run warm, what you can check safely, and which duct fixes can help.

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CoolingJul 13, 2026

AC Freezing Up in Ruston: Why Ice Forms in the Middle of Summer

AC freezing up in Ruston in July? Learn why ice forms on the evaporator coil, how to thaw it safely, and what a technician checks next.

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CoolingJul 7, 2026

AC Leaking Water Inside in West Monroe: Condensate Drain Problems

AC leaking water inside your West Monroe home? Learn how clogged condensate lines, float switches and drain pans cause it, and when to call for help.

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CoolingJul 2, 2026

AC Breaker Keeps Tripping in West Monroe: What It Means

AC breaker keeps tripping in West Monroe? Learn which AC parts overload the circuit, the safe checks to make, the reset rules and when to call a pro.

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PlumbingJun 27, 2026

Kitchen Sink Leak in Bossier City: Finding the Source Under the Cabinet

Kitchen sink leak in your Bossier City home? Learn how to trace water under the cabinet to the supply lines, drain, faucet or disposal, and when to ca

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CoolingJun 22, 2026

AC Unit Making Noise in Bastrop: Buzzing, Rattling and Squealing

AC unit making noise in Bastrop? Learn what buzzing, rattling, squealing and banging point to, what you can check safely and when to shut it off.

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PlumbingJun 17, 2026

Sewer Cleanout in Minden Homes: Where It Is and Why It Matters

Where is the sewer cleanout at your Minden home? Learn what this capped fitting does, why codes require it, and how to protect it before a backup.

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CoolingJun 12, 2026

AC Not Working After a Power Outage in Shreveport: What to Check

AC not working after a power outage in Shreveport? Check the thermostat, breakers, disconnect and restart delay, and see when surge damage needs a tec

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PlumbingJun 7, 2026

Smelly Hot Water in Monroe? Why It Smells Like Rotten Eggs

Smelly hot water in your Monroe home? Learn how the anode rod and sulfur bacteria cause a rotten egg odor, what to check safely and when to call.

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CoolingJun 2, 2026

AC Short Cycling in Ruston: Why It Turns On and Off Every Few Minutes

AC short cycling in your Ruston home? Learn why an air conditioner turns on and off every few minutes, what to check safely, and when to call a pro.

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Water HeatersDrain CleaningEmergency PlumbingSewer & DrainsSeasonal MaintenanceWinter PlumbingHard WaterTrenchless

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