DME MAINTENANCE • ESTABLISHED 2001 • PERFECT RECORD WITH NASSAU COUNTY CONSUMER AFFAIRS
NASSAU LICENSE #H0101570000
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Cleaning

Nassau Wood Fireplace Chimney Cleaning — Creosote Removal

Creosote is the leading cause of chimney fires. Annual sweeping before fireplace season keeps your family safe.

Nassau County License #H0101570000 • Same-week appointments available

Perfect record with Nassau County Consumer Affairs
Licensed & Insured — Nassau County #H0101570000
Owner-operated since 2001 — no subcontractors
25 years serving Nassau County homeowners
Factory-authorized stainless steel chimney liner installer

Wood Fireplace Chimney Cleaning — Nassau County

Creosote — the tar-like byproduct of wood combustion — is the single biggest chimney fire risk for Nassau County homeowners with wood-burning fireplaces. The NFPA identifies creosote accumulation as the leading cause of residential chimney fires nationally. A chimney fire burns at temperatures exceeding 2,000°F — hot enough to crack liners, ignite surrounding framing, and threaten adjacent homes in Nassau County's densely built neighborhoods. Annual sweeping before fireplace season removes creosote before it reaches the ignition threshold.

Full firebox, damper, smoke chamber, liner, cap, and crown inspection

Written condition report provided after every cleaning

Same-week appointments available in most Nassau County towns

How a Professional Chimney Cleaning Works — DME Maintenance Nassau County

1

Schedule & Confirm

Call or text DME Maintenance at 516-690-7471. We confirm your appointment, typically within the same week for Nassau County locations.

2

Pre-Inspection

Our technician inspects the cap, crown, flashing, damper, firebox, smoke chamber, and accessible liner sections before cleaning begins.

3

Flue Cleaning

Using professional rotary brushes and HEPA-filtered vacuum equipment, we remove soot, creosote, or condensate deposits from the full length of the flue.

4

Post-Cleaning Inspection

After cleaning, we re-inspect the liner and all accessible components. Camera inspection is available for clay tile liners with visible deterioration.

5

Written Report

You receive a written safety report documenting the condition of all components and any recommended repairs. No pressure, no upselling.

What Customers Say

Aoife Nolan

Rockville Centre • March 2026

Nextdoor

“Stage 2 creosote in one section — they addressed it properly.”

★★★★★

Daniel Markowitz

Oyster Bay • November 2025

Porch

“Full sweep plus smoke chamber brushing. Thorough.”

★★★★★

Jonathan Horowitz

Old Westbury • November 2025

NassauChimney.com

“First time using a wood fireplace in this house. They inspected everything carefully.”

★★★★★

More reviews →

Frequently Asked Questions

How often should a wood-burning fireplace be swept?

The NFPA recommends annual wood fireplace chimney cleaning, or after every 50–100 fires — whichever comes first. Nassau County's heating season typically means annual service before fall.

What is creosote and why is it dangerous?

Creosote is a tar-like residue produced by incomplete wood combustion. It builds up inside chimney flues and is highly flammable. A thick layer can ignite into a chimney fire burning above 2,000°F — cracking flue liners and potentially igniting your home's structure.

Can I use my fireplace before getting it cleaned?

DME Maintenance recommends inspection before first use each season. If the chimney was not cleaned last spring and has not been inspected, call for an inspection first. A blocked or creosote-laden chimney can cause CO to back up. Chimney cap condition should also be verified before lighting the first fire.

How often should a wood fireplace chimney be swept?

The NFPA recommends annual inspection and cleaning for wood-burning fireplaces. If you burn regularly — more than a cord per season — semi-annual cleaning may be warranted. Creosote accumulation depends on burning habits and wood quality more than calendar time.

What wood should I burn to reduce creosote?

Burn seasoned hardwood — wood split and dried for at least one year, ideally two. Moisture content should be below 20%. Oak, hickory, ash, and maple are excellent choices for Long Island. Avoid softwoods like pine for primary heating use, green wood, and any treated or painted wood.

All chimney FAQs →

Quick Answers

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Nassau County Pricing Guide

ServiceStarting Price
Chimney Cleaning & Sweep$185–$299
Chimney Inspection (Level 1)$185+
Gas Chimney Cleaning$185
Oil Chimney Cleaning$220
Wood Fireplace Chimney Sweep$275+
Gas Fireplace Cleaning$195+
Wood Stove Cleaning$299+
Pellet Stove Cleaning$299+
Chimney Blockage RemovalFree estimate
Chimney RepairFree estimate
Chimney Cap Installation$285+
Chimney Crown Repair$435+
Chimney Chase CoverFree estimate
Chimney Pointing$660+
Chimney Waterproofing (ChimSaver)Free estimate
Prefab Chimney ServiceFree estimate
Stainless Steel Chimney Liner$1,750+
Level 2 Inspection (Home Sale)Free estimate
Emergency Chimney ServiceFree estimate
Chimney Damper (Top-Sealing)$1,100+
Dryer Vent Cleaning$165+
Chimney Flashing RepairFree estimate
Carbon Monoxide Safety InspectionFree estimate
Smoke Problem DiagnosisFree estimate
Chimney Odor DiagnosisFree estimate
Chimney Water Leak RepairFree estimate
Fall Chimney Cleaning$185+
Chimney Service Cost Guide$165–$1,750+
Power Washing$195+
Oil-to-Gas Chimney Conversion$1,750+
Chimney Rebuild$1,320+
Animals in Chimney$285+
Real Estate Agent InspectionsFree estimate

Prices are starting rates. Free on-site estimates for all repair work. Call 516-690-7471.

Wood Fireplace Chimney Cleaning Nassau County NY | $275+ — Free On-Site Estimate

Same-week appointments • Written inspection report • Nassau License #H0101570000