HVAC Advice for the Northshore
The Covington HVAC Blog
Straight answers on repair costs, storm prep, humidity, and keeping your system alive through a Gulf-Coast summer — written by the technicians who do the work.
Latest · Troubleshooting
Thermostat Not Working? Troubleshooting for Covington Homes
A blank or unresponsive thermostat doesn't always mean a broken AC. Safe checks to run first, and the Covington-specific cause homeowners miss.
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Buyer Guide · 7 min
SEER2 Explained: What It Means for Your Covington AC
What SEER2 actually measures, the DOE minimums for Louisiana, and whether paying for a higher rating pays off over Covington's long cooling season.
Buyer Guide · 9 min
Heat Pump vs. AC + Furnace: Which Is Better for a Louisiana Home?
For the Northshore's mild winters and humid summers, which wins — a heat pump or a straight AC paired with a furnace? An honest, local comparison.
Buyer Guide · 8 min
What Size AC Do I Need for a Covington Home? (Sizing Guide)
Tonnage, square footage, and why an oversized AC leaves your Covington home cold but clammy — a plain-English sizing guide for the Northshore.
Seasonal Maintenance · 7 min
Fall Heating Checklist: Prep Your Covington Heat Pump for Winter Snaps
Most of a Covington year is cooling, but a January cold snap will expose a neglected heat pump. Here is the fall checklist to make sure heat is there when you need it.
Commercial · 8 min
Medical & Office HVAC: Serving Covington's Ochsner-District Businesses
Medical and professional buildings near Covington's Ochsner district need tight temperature, humidity, and air-quality control with near-zero downtime. Here is what that takes.
Climate & Storm · 8 min
Katrina to Ida: How Storm Outages Damage Covington HVAC Systems
From Katrina to Ida, it is often the power outage, not the wind, that kills Covington HVAC systems. Here is how outages cause damage and how to prevent it.
Emergency · 8 min
AC Down During a 92°F Northshore Heat Wave? Emergency Steps to Take
When the AC dies on a 92-degree Covington afternoon, a few quick checks can get it running again or tell you it is time to call for emergency help.
Emergency · 8 min
AC Leaking Water Inside? When It's an Emergency in Covington's Humidity
In Covington's humidity your AC pulls gallons of water a day out of the air. When that water shows up on your floor, here is how to tell an emergency from a nuisance.
Commercial · 8 min
Property Manager's Guide: HVAC Turnovers in St. Tammany Rentals
For St. Tammany property managers, HVAC drives tenant complaints, turnover timelines, and emergency calls. Here is a playbook for keeping units rent-ready and tenants comfortable.
Troubleshooting · 8 min
Sweating Ducts in the Crawlspace: A Covington High-Water-Table Problem
Ducts that drip and sweat in a Covington crawlspace point to a humidity problem the high water table makes worse. Here is what causes it and how to stop it.
Emergency · 9 min
Hurricane Knocked Out Your AC? A Covington Post-Storm HVAC Checklist
After a hurricane rolls through St. Tammany Parish, your AC needs a careful once-over before you power it back up. Here is the safe order of operations.
Troubleshooting · 8 min
Why Is My AC Running Constantly in Covington's Humidity?
If your AC never seems to shut off during a Covington summer, humidity is usually part of the story. Here is how to tell a normal long run from a real problem.
Seasonal Maintenance · 8 min
Crawlspace Moisture Control: A Seasonal Checklist for Covington Homes
A high water table and constant humidity make Covington crawlspaces a moisture trap that attacks your ductwork. Here is a seasonal checklist to keep it dry.
Cost & Financing · 8 min
What Does a Ductless Mini-Split Cost for Covington's Historic Cottages?
For Covington's older cottages without ductwork, a ductless mini-split is often the smartest way to add cooling. Here is what one costs and why it fits historic homes.
Climate & Storm · 9 min
62 Inches of Rain a Year: How Covington's Wet Climate Attacks Your HVAC
Covington's wet, humid climate is one of the toughest in the country on HVAC equipment. Here is exactly how the moisture attacks your system and how to defend it.
Climate & Storm · 9 min
Hurricane Season HVAC Prep for St. Tammany Parish: The Complete Guide
A step-by-step guide to protecting your HVAC system before, during, and after a storm in St. Tammany Parish, from surge protection to safe restart.
Seasonal Maintenance · 9 min
Hurricane-Season HVAC Checklist: Straps, Surge Protectors & Shutoffs
A practical, storm-by-storm HVAC checklist for St. Tammany homeowners, covering condenser straps, surge protection, safe shutoffs, and what to do the moment power comes back.
Emergency · 8 min
Power Surge Killed Your Compressor After a Storm? What Covington Homeowners Should Do
Grid power rarely returns clean after a Northshore storm. Here is how to tell if a surge killed your compressor and how to protect the replacement.
Troubleshooting · 8 min
Mold in Your Air Handler? Covington's Humidity Problem Explained
The dark, damp inside of an air handler is a perfect home for mold in Covington's climate. Here is why it grows, how to spot it, and what actually clears it.
Cost & Financing · 8 min
Whole-Home Dehumidifier Cost in Covington, LA: Is It Worth It?
In Covington's 70-plus percent humidity, a whole-home dehumidifier does what your AC alone cannot. Here is what one costs and how to tell if it is worth it for your home.
Commercial · 8 min
Restaurant HVAC in Historic Downtown Covington: Ventilation & Comfort
Downtown Covington restaurants juggle kitchen heat, exhaust, makeup air, and dining-room comfort in old buildings. Here is how to get the balance right.
Troubleshooting · 8 min
Why Condenser Coils Corrode Faster Near Lake Pontchartrain
Homes near Lake Pontchartrain lose condenser coils to corrosion years before inland homes. Here is why the lake air is so hard on your AC and how to fight back.
Emergency · 9 min
Flooded Air Handler After the Bogue Falaya Rises: Immediate Steps
When the Bogue Falaya spills over and water reaches your air handler, the first 48 hours decide whether you are drying it out or replacing it. Here is what to do.
Seasonal Maintenance · 8 min
Dehumidifier Maintenance: Keeping Covington Homes Mold-Free Year-Round
A whole-home dehumidifier only protects your Covington home if it is maintained. Here is how to keep filters, coils, and drains clean so humidity and mold stay out.
Troubleshooting · 7 min
AC Short-Cycling in St. Tammany Parish: Common Causes & Fixes
An AC that starts and stops every few minutes is short-cycling, and it wears out fast. Here are the common causes we find on St. Tammany service calls.
Cost & Financing · 8 min
Does Flood Insurance Cover HVAC Equipment in Louisiana?
Flood and homeowners policies treat HVAC damage very differently in Louisiana. Here is what flood insurance typically covers and how to document a claim.
Troubleshooting · 7 min
Musty Smell When the AC Kicks On: Duct Mold in Bayou-Country Homes
That musty odor the moment the AC turns on usually traces back to mold in your coil or ducts. Here is why bayou-country homes are prone to it and how to clear it.
Cost & Financing · 8 min
How Much Does AC Repair Cost in Covington, LA? (2025 Price Guide)
A transparent look at 2025 AC repair costs in Covington — diagnostic fees, common repairs, emergency pricing, and what changes the number.
Troubleshooting · 7 min
Refrigerant Leak or Just Low Freon? Diagnosis for Covington Homes
An AC that is low on refrigerant has a leak, period. Here is how a proper Covington diagnosis finds it instead of just topping you off every summer.
Commercial · 8 min
Commercial HVAC for Covington's Northpark Corridor Offices
What Northpark corridor offices need from commercial HVAC on the Northshore: reliable rooftop units, smart zoning, humidity control, and a maintenance plan that prevents downtime.
Emergency · 7 min
24/7 HVAC Help in Covington: What Happens When You Call After Hours
Ever wonder what actually happens when you call an HVAC company at 2 a.m.? Here is how after-hours dispatch works in Covington and how to make the call go smoothly.
Climate & Storm · 8 min
What the March 2016 Bogue Falaya Flood Taught Covington About HVAC Elevation
The March 2016 Bogue Falaya flood put water in homes that had never flooded before. Its clearest HVAC lesson: elevation is not optional in Covington.
Seasonal Maintenance · 8 min
Spring AC Tune-Up Checklist for Covington, LA Homeowners
What a real spring AC tune-up covers on the Northshore, why pine pollen and humidity make it non-negotiable, and the checks you can do yourself before we arrive.
Cost & Financing · 9 min
AC Replacement Cost in St. Tammany Parish: What Homeowners Really Pay
A straight look at 2025 AC replacement costs in St. Tammany Parish — the benchmark range, what moves the number, and how our climate factors in.
Climate & Storm · 7 min
Pine Pollen Season on the Northshore: Protecting Your Condenser Coils
Every Northshore spring coats everything in yellow pine pollen, and your AC coils get the worst of it. Here is how to protect and clean them the right way.
Climate & Storm · 8 min
Covington's 1990s Builder-Grade AC Systems Are Hitting Replacement Age
A wave of Covington homes built in the 1990s are running original or first-replacement AC systems well past their prime. Here is how to know when yours is done.
Seasonal Maintenance · 7 min
How Often to Change AC Filters in Humid South Louisiana
Why the standard 90-day filter rule falls apart in South Louisiana, how to pick the right MERV rating for a humid climate, and the signs your filter is overdue.
Cost & Financing · 7 min
HVAC Financing in Covington, LA: Options for Every Budget
A new system is a big expense, and few Covington families have thousands sitting idle. Here is a plain look at HVAC financing options and how to choose one.
Troubleshooting · 7 min
Heat Pump Not Heating on a Cold Northshore Morning? Troubleshooting Guide
When a Northshore cold snap hits and your heat pump blows cool air, here is how to tell a normal defrost cycle from a real problem, and what to check.
Need HVAC Help in Covington Today?
Same-day service across St. Tammany Parish and 24/7 emergency dispatch. Call now and we'll give you an honest arrival window and the diagnostic fee before we head out.
- Licensed Louisiana mechanical contractor
- Upfront, written line-item estimates
- EPA 608–certified technicians
- Built for Gulf-Coast humidity & storms