Ace Chimney Service brings full chimney sweeping, inspection, and repair to Marengo, IL. We are based just up the road in Crystal Lake, open 7am to 7pm seven days a week, with every price published up front.
Marengo is a historic McHenry County city west of Crystal Lake, proud of its heritage as the self-styled “Home of Settlers Days” and its walkable downtown of older buildings. Local government and services are coordinated through the City of Marengo.
Chimney and fireplace service for Marengo homes
Marengo has a good stock of older homes, which means genuine period masonry chimneys — handsome, but often decades past their last repointing. Deteriorated crowns, spalling brick, and cracked clay liners are common, and all are work we do.
- Chimney sweeping with a Level 1 inspection
- Level 1 and Level 2 inspections, including camera scans for home sales
- Repair and masonry — tuckpointing, brick, flashing, waterproofing
- Relining with stainless liners
- Caps and crowns
- Gas fireplace service, dryer vent cleaning, and air duct cleaning
Local to Marengo
Marengo’s identity is rooted in its history — the annual Settlers Days celebration and the older commercial buildings of its downtown core give the city a distinct, established character. Its high-schoolers attend Marengo Community High School District 154.
Families across Marengo — including students at Marengo Community High School — rely on a chimney that stays safe all winter. Older masonry plus decades of northern Illinois freeze-thaw is the defining chimney challenge in Marengo — water works into aged mortar and pries it apart each winter, so repointing and crown protection matter enormously.
Why Marengo calls us
You see the evidence for every recommendation — we photograph what we find before suggesting any work. Prices are on the pricing page before you call, with no travel charge to Marengo. Call (815) 320-0883 or book online.
Frequently Asked Questions
Do you work on the older historic homes in Marengo?
Yes. Marengo’s older homes have genuine period masonry chimneys, and we handle careful tuckpointing, crown repair, and relining while matching materials as closely as possible.
My Marengo chimney has crumbling mortar. What does it need?
That is failed mortar, and it needs tuckpointing — cutting out the old joints to a sound depth and repointing with matched mortar to restore the weather seal and bond.
Can you match old brick on a historic Marengo home?
As closely as available materials allow, in color and joint profile; a careful blend usually reads as original from the ground.
Is a very old clay liner still safe?
Not always. Old clay liners crack and their joints wash out over decades. A camera inspection tells us the truth, and relining restores safety if it has failed.
Do you inspect chimneys for Marengo home sales?
Yes, Level 2 inspections with camera scans and written documentation.
Is there a travel charge to Marengo?
No. Our published prices apply with no travel fee.
Are you available weekends in Marengo?
Yes, 7am to 7pm every day.
How urgent is a leaning or badly cracked chimney?
Treat it as urgent. On older Marengo homes, structural cracks or a lean can mean the stack is failing — stop using the fireplace and have it looked at promptly.
Published: July 24, 2026