Is Your Alexandria Panel a Federal Pacific?
How to tell if your Alexandria home has a Federal Pacific Stab-Lok panel, what the safety record actually says, and what it means for insurance and a sale.
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From the Leonard Splaine crew
HVAC know-how, cost guides, and honest answers for Northern Virginia homeowners, from the family that's been keeping the region comfortable since 1956.
How Long a Water Heater Lasts in Stafford
A tank runs eight to twelve years and a tankless unit longer, but the part that actually decides the number is one most owners never look at.
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Why There Is No Hot Water in Your Arlington Home
Cold showers usually trace to one of six causes, and which ones are even possible depends on whether you own a gas tank, an electric tank, or a tankless unit.
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How Often to Service Your AC in Lorton
Twice a year is the honest baseline. The harder question is whether the visit you paid for actually happened, and there are ways to tell.
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Why Your AC Short Cycles in Manassas
Short cycling means your AC starts and stops in bursts instead of running a full cycle. Here are the checks worth making and the one cause no repair fixes.
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Why Your Home AC Smells Musty in Springfield
A musty smell usually means moisture sitting somewhere it should not: the drain pan, the coil, the ducts, or the filter. Here is how we tell them apart.
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How to Find a Refrigerant Leak in Fairfax
How to find a refrigerant leak in a Fairfax AC before you pay to recharge it: pressure testing, electronic detectors, UV dye, and what a leak search costs.
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Why Is Your AC Leaking Water in Woodbridge?
Water under your air handler usually means a clogged condensate drain, a rusted pan, or a failed pump. Here is how we tell them apart and what you can check safely.
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How Much Does a New AC System Cost in Northern Virginia? (2026 Guide)
What Northern Virginia homeowners actually pay for AC replacement in 2026: typical price ranges by system type, what drives the cost up or down, and the hidden costs to watch for.
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Heat Pump vs. Furnace in Northern Virginia: Which Should You Choose?
Northern Virginia's climate is the classic heat pump sweet spot, but gas furnaces still make sense for plenty of homes. An honest comparison of cost, comfort, and efficiency, plus the dual-fuel option most people overlook.
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Why Is My AC Not Cooling? 7 Common Causes (and What Each Costs to Fix)
AC running but the house won't cool down? Here are the seven causes we find most often on Northern Virginia service calls, what each typically costs to fix, and which ones you can safely check yourself.
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Why Is My HVAC System So Loud? Noisy Heating Systems After Long Runtimes, Explained
Furnace or heat pump getting louder as winter runtimes stretch? Leonard Splaine explains what each noise means, which are urgent, and what fixes cost.
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Understanding the Role of Humidifiers in Your HVAC System for Allergy Relief
Dry indoor air makes allergies worse. Leonard Splaine explains how humidifiers in your HVAC system hold humidity at 30-50% to calm sinuses and allergens.
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Air Quality Upgrade: The Surprising Benefits of Using Humidifiers in Every Room
What proper humidity does for sleep, skin, wood floors, and heating bills, room by room. Leonard Splaine explains why one whole-home humidifier covers it all.
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Smart Thermostats vs. Traditional Thermostats: Which Is Right for Your Home?
Smart or traditional thermostat? Leonard Splaine compares cost, savings, features, and compatibility so Northern Virginia homeowners can choose with confidence.
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The Danger of Portable Dehumidifiers and Advantages of Whole-House Dehumidifiers
Portable dehumidifiers bring fire recalls, constant emptying, and single-room limits. Leonard Splaine explains why whole-house dehumidifiers are a safer fix.
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Top 5 Uses for a Ductless Mini-Split (and When One Makes Sense)
The five situations where a ductless mini-split beats every other option, from that one hot room to a garage or addition, plus real cost ranges for Northern Virginia.
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Furnace Burner Won't Stay Lit? Here's Why It Keeps Shutting Off
Furnace lights, runs for a minute, then quits? Here are the real reasons a furnace burner won't stay lit, what you can safely check yourself, and when to call a pro.
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Why Does My Heat Pump's Aux Heat Keep Coming On?
Seeing AUX or EM heat on your thermostat? Here's when auxiliary heat is supposed to run, when it signals a real problem, and how to tell the difference before it wrecks your electric bill.
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What Is an HVAC System and How Does It Work? A Homeowner's Guide
What is an HVAC system and how does it work? Leonard Splaine explains the parts, heating and cooling cycles, and the system types Northern Virginia homes use.
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Is Your Evaporator Coil Leaking? Signs, Causes, and What to Do
A leaking evaporator coil means weak cooling, longer run times, and lost refrigerant. Here's how to spot a coil leak, what causes it, and the honest math on repair versus replacement.
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Do You Really Need a Whole House Humidifier?
Dry winter air, static shocks, cracking floors? Leonard Splaine explains who actually needs a whole house humidifier, which type fits, and what it costs.
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How Much Does an AC and Furnace Combo Cost to Replace?
What a matched air conditioner and furnace combo actually costs to install in Northern Virginia, broken down by efficiency tier, plus sizing tips and the cost factors that move the price.
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How to Unfreeze Your AC Fast (and How Long a Frozen Coil Really Takes)
Ice on your AC? Here are the four steps to thaw it safely, how long it takes to unfreeze, and why running a frozen AC can wreck your compressor.
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HVAC UV Lights: Do They Work, and Which Type Is Best?
A plain-English guide to UV lights for your HVAC system: how they work, coil vs. air-sterilizing types, what they realistically do for indoor air quality, and cost for Northern Virginia homes.
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What Is an AC Hard Start Kit? How It Works and When You Actually Need One
A hard start kit gives your AC compressor an extra jolt to start. Here's what it does, the signs you need one, what it costs, and when it's just a stopgap.
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Why Is My Outdoor AC Fan Not Spinning? Causes, Costs & a Safe Test
Outdoor unit humming but the fan won't spin? Here's how to tell a bad capacitor from a failed condenser fan motor, a safe test you can run, and what each costs.
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The Best Smart Thermostats for Your Home: Nest vs. ecobee & More
An honest guide to the best smart thermostats for your home, including Nest vs. ecobee, what fits heat pumps and dual-fuel systems, and compatibility tips for Northern Virginia homeowners.
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Replace the Evaporator Coil or the Whole AC? How to Make the Right Call
A leaking evaporator coil forces a tough choice: swap the coil or replace the whole system. Here's how age, SEER, and refrigerant type decide it, with real costs.
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Labor Warranty vs. Parts Warranty: What "Parts and Labor" Really Covers
HVAC warranties explained in plain English. The difference between a manufacturer's parts warranty and a contractor's labor warranty, and why the fine print matters most.
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Best Heat Pump Brands: An Honest Buyer's Guide
A straight-talking guide to heat pump brands for Northern Virginia homes: which names are worth it, what actually matters more than the badge, and how to think about tiers, efficiency, and installation.
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3 Common Heat Pump Problems (and How to Fix Them)
Heat pump won't turn on, running nonstop, or blowing lukewarm air? Here are the three problems we see most on Northern Virginia service calls, what you can safely check yourself, and what each repair typically costs.
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Best Home AC Units: Trane vs. Carrier vs. Lennox Compared
An honest comparison of Trane, Carrier, and Lennox central air conditioners for Northern Virginia homes, covering efficiency, reliability, repair costs, and which brand fits your budget.
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What to Set the Thermostat to in Summer and Winter (and Why It's Different)
The thermostat settings Leonard Splaine recommends for Northern Virginia homes: 78°F in summer, 68°F in winter, plus what each degree of setback saves.
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ECM vs. PSC Blower Motors: What HVAC Motor Types Mean for Your Bills
A plain-English guide to HVAC blower motor types. What ECM and PSC motors are, how they affect your energy bills and comfort, and which one is in your system.
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