First-time homeowners in Rockville trust us to keep your fireplace running smoothly, no surprises, just expert care. Call (771) 247-4990 for a free estimate.
Comprehensive chimney sweep for Rockville homes and businesses.
The most important step for Rockville homes, removing creosote buildup before it becomes dangerous.
Peace of mind for Rockville buyers or homes with older chimneys, we spot hidden problems before they become emergencies.
For Rockville homes with heavy buildup, we use specialized tools to break down stubborn creosote safely.
Fixing cracks, rust, or damaged flues in Rockville homes, before small problems turn into big (and expensive) ones.
Rockville homes near wooded areas often get surprise tenants, we safely remove nests and restore your chimney.
Planning to add a fireplace to your Rockville home? We’ll help ensure it’s installed safely and codes-compliant.
We hold ourselves to the highest standards so you can hire with total confidence.
Rockville’s older homes, especially those near the C&O Canal, often have chimneys built with softer bricks or mortar that wears down faster. If you burn wood regularly, creosote builds up quickly, and a small spark can turn that into a chimney fire. Many homeowners don’t realize their chimney needs cleaning until they smell smoke indoors or see soot on their ceiling. We make it easy: schedule a sweep before your first cold snap, and you’ll avoid the stress of an emergency repair. It’s not about being paranoid; it’s about being prepared.
Skipping an inspection is like buying a used car without checking under the hood. You might not see the rusted frame or cracked engine block until it’s too late. Many homes in Rockville have chimneys that are over 50 years old, and hidden damage is often the norm. A small crack in the flue can let deadly carbon monoxide into your home, or a loose brick can collapse into your fireplace. We’ve seen chimneys in Rockville that looked fine from the outside but had major structural issues inside. A $100 inspection now could save you from a $5,000 repair, or worse.
Not all chimney sweeps take the time to explain things clearly, but we do. We know Rockville homeowners are busy, so we skip the jargon and tell you exactly what we’re doing and why. Our team has worked with dozens of first-time buyers who inherited a chimney they didn’t know how to use. We’ll answer your questions, show you the problems (and solutions), and give you a straightforward estimate upfront. No upselling, no hidden fees, just honest work. That’s how we’ve earned trust in this community.
If you burn wood a few times a week, you should sweep your chimney every 4 to 6 months. But if you only use it occasionally, like during the holidays, once a year is fine. Rockville’s humidity can also speed up creosote buildup, so if your chimney feels damp or you see moisture stains, it’s time for a check. The key is consistency. Many chimney fires start because homeowners wait too long between cleanings. We’ll help you set up a schedule that keeps your family safe without overdoing it.

Welcome to Hernandez and Carlos Chimney LLC, your go-to chimney experts in Rockville. As first-time homeowners know, a fireplace isn’t just a cozy centerpiece, it’s a system that needs regular attention to stay safe and efficient. We cut through the confusion by explaining exactly what your chimney needs, when, and why, so you can enjoy your home without worry. Our team treats every Rockville home like our own, with straightforward service and honest advice about keeping your chimney in top shape.
"We bought our first home in Rockville last year, and the previous owners had never swept the chimney. When we called Hernandez and Carlos, they came out the next day and found a thick layer of creosote that could’ve caused a fire. They cleaned it thoroughly and explained everything in plain terms. Now we sweep twice a year, and we sleep better knowing our fireplace is safe. Their team is patient and really good with first-time homeowners."
"I’ve lived in Rockville for 20 years, and I finally got around to getting my chimney inspected. The tech found a small crack in the flue that could’ve let carbon monoxide into my house. They fixed it the same day and gave me a warranty on the repair. I was shocked it hadn’t been caught sooner, but I’m glad they did. Now I know exactly what to look for and when to call them back."
"Our chimney had a raccoon family living in it last winter. When we smelled smoke indoors, we panicked, until we called Hernandez and Carlos. They removed the animals humanely, cleaned out all the debris, and sealed the entry points. They even checked our flue lining for damage from the nesting. We’ve had zero issues since, and our fireplace works perfectly. They’re the only chimney company in Rockville we’ll ever use."
"We’re new to Rockville and had no idea how often to sweep our chimney. The team at Hernandez and Carlos took the time to explain everything, what creosote is, why it’s dangerous, and how to tell if our chimney needs attention. They gave us a schedule and even checked our carbon monoxide detectors for us. It’s so nice to work with a company that treats you like a neighbor, not just another customer."
"I’ve had chimney sweeps before, but none ever explained what they were doing like Hernandez and Carlos. They showed us the creosote buildup, told us exactly why it needed to be removed, and even recommended a new fireplace screen to improve airflow. Now our fireplace burns cleaner and hotter. They’re honest, thorough, and actually care about their work. That’s rare in this business."
"We inherited an older home in Rockville with a chimney that hadn’t been cleaned in years. The first sweep revealed so much soot that we were worried about a fire. The team came back a second time to do a deep clean and found some minor cracks in the mortar. They fixed it all and gave us a warranty. Now we’re confident our chimney is safe for our kids. They’re the only chimney company we’ll trust in Rockville."
Expert local advice for Rockville homeowners.
When you call (771) 247-4990, we’ll schedule your appointment within 48 hours. No waiting weeks for a slot. We understand Rockville homeowners have busy schedules, so we work around yours. If you need an emergency inspection after a chimney fire or animal sighting, we’ll come out the same day. Just let us know your priority, and we’ll treat it as ours.
Before we start cleaning, we’ll do a quick visual check of your chimney and fireplace. We’ll point out any obvious issues, like heavy creosote, cracks, or animal debris, and tell you exactly what we’re seeing. No confusing industry terms. If we find something serious, we’ll explain why it matters and what your options are. Our goal is to make sure you understand the work we’re doing, not just hand you a bill.
We don’t just sweep the bottom of your chimney and call it a day. Using brushes, vacuums, and sometimes specialized tools, we’ll clean every inch of your flue, smoke chamber, and damper. If we find creosote buildup, we’ll remove it completely so it doesn’t reignite. We’ll also check your carbon monoxide detectors to make sure they’re working. Our job isn’t done until your chimney is completely safe for use.
After we’re done, we’ll give you a written report detailing what we found and what we did. If your chimney needs repairs or a follow-up visit, we’ll tell you exactly what’s needed and why. We’ll also schedule your next sweep before you leave so you don’t forget. No surprises, no fine print. Just a clean chimney and the confidence that your Rockville home is safe for the winter.
Proudly serving Rockville and these nearby communities.
Yes, absolutely. Even if your chimney looks clean, soot and creosote build up faster than you’d think, especially in Rockville’s humid summers and cold winters. A first sweep removes hidden hazards before you light a fire, and it gives us a baseline to spot problems early. Think of it like a car tune-up: better to catch a small issue now than risk a breakdown later.
Definitely. Many Rockville homeowners assume their chimney is fine until they smell gas or see smoke in the room. An inspection checks for cracks, blockages, and weak spots that could lead to carbon monoxide leaks or chimney fires. We’ve found hidden damage in brand-new homes, don’t wait for a problem to realize your chimney needs attention.
Yes, even light use means creosote buildup. Rockville’s dry winters can turn a single fire into a creosote trap if the flue isn’t clean. A sweep every 1–2 years keeps your chimney safe and your fires burning efficiently. Skipping it is like driving a car without checking the oil, eventually, something will fail.
Only if we give you the green light. We test your chimney’s draft and clear any obstructions before you light up. Some sweeps uncover issues like a collapsed cap or animal nests that need fixing first. We’ll tell you exactly when it’s safe, no guesswork.
A sweep cleans the flue and removes creosote, while an inspection checks the entire chimney structure for damage. If you’re buying a home or notice smoke backing into your house, an inspection is worth the extra cost. We’ve caught major problems in Rockville’s older brick homes that a sweep alone would miss.
Maybe, but not always. Smoke in the room usually means poor draft, a blocked flue, or a cracked damper. We’ll clean the chimney first, but if the issue is structural, like a collapsed liner, you’ll need repairs. We’ll diagnose the problem honestly and explain your options, no upselling.
You can’t, creosote forms deep in the flue as a sticky, flammable tar. If your chimney is older than 5 years or you burn wood often, it’s likely there. We use brushes and vacuums to remove it safely. Ignoring it turns a small job into a fire hazard that could cost thousands to fix.
Yes, if your home has a chimney, it needs maintenance. Even unused chimneys collect dust, debris, and moisture that weaken the structure. Rockville’s rainy springs can introduce mold and rust if the flue isn’t sealed properly. A sweep and inspection now could prevent a costly repair later.
Fast response, upfront pricing, and workmanship guaranteed. Get your free estimate today.