Gas fireplace service
Sweep & inspection
Caps & crowns
Flue relining
Masonry repairLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Why Nampa Homeowners Choose Gelco Chimney Cleaning
We provide independent Gelco chimney cleaning service in Nampa, and we work on Gelco systems regularly enough to know their forming, joint and clearance details instead of treating every flue as generic. That means a Level 2 inspection, creosote removal and cap work built around how Gelco liners, caps and connectors actually go together. To be clear: we are an independent service provider. We are not affiliated with, authorized by or endorsed by Gelco, and no manufacturer partnership or warranty approval is implied. Our technicians have up to 9 years of experience, and they’ve seen enough Gelco installs in Nampa to recognize a problem before it turns into a repair. Call (888) 854-6163.

Why Trust Chimney Sweep Nampa for Your Gelco Chimney Cleaning?
Gelco equipment has its own habits. The liner seams, the flue collar, the way a cap assembly ties into a multi-flue top – all of it has specific forming and joint details, and a sweep who knows them spends less time guessing and more time fixing. Our technicians have worked on Gelco stainless liner runs and Gelco caps across Nampa, and they know where condensate pools, where joints tend to loosen and where a crushed offset is hiding.
We use quality parts that fit Gelco equipment, and we work warranty-safe. That means we don’t improvise a connector that wasn’t designed for the run, and we don’t swap in an unlisted part to save a trip. If a repair touches a component that a manufacturer warranty covers, we tell you before we start so you can decide how you want it handled. We’re also not a Gelco dealer and we don’t claim factory certification. We’re an independent shop that services the brand properly, and a free written estimate sets the price before any work begins.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common Gelco Chimney Cleaning Problems We Fix in Nampa
Most Gelco service calls in Nampa come down to one of five things. Here’s what we find and why it happens.
- Corrosion pitting at the flue collar and liner seams. Condensate from gas and high-efficiency appliances collects at the low points of a run, and that moisture eats into the seams over a heating season or two. A pitted seam is a leak path for creosote and soot. We inspect the collar and seam line closely and replace what’s structurally compromised.
- Failed or missing liner-to-cap or appliance-connector joints. These are the joints that let creosote and soot escape at the top of the run. A joint that’s worked loose or was never fastened correctly shows up as staining around the cap or a smell inside the house. We check every joint on the run, not just the ones at eye level.
- Insulation wrap breakdown or a crushed flex liner on tight offsets. A flex liner bent hard around an offset can crush on the inside of the bend. Crushed insulation means hot spots and reduced draft. We look for that crush before we sweep over it.
- Rust-through and fastener corrosion on Gelco caps and flashing collars. Nampa’s dry summers and high-wind, dust-laden events beat on roof-line hardware. Fasteners seize, flashing collars rust through and a cap that was solid a few seasons ago starts letting water in. Cap replacement is often the fix.
- Third-degree creosote from softwood and scrap burning. A lot of homes on the edges of Nampa heat with wood stoves feeding factory-built chimneys, and burning the region’s softwoods and scrap wood builds glazed creosote fast. Third-degree creosote needs removal, not another sweep on top of it.
Gelco Parts & Our Repair-vs-Replace Approach
A Gelco system is only as good as its weakest listed part, so we use genuine Gelco or equivalent UL-listed components for liners, caps and connectors. We don’t claim to stock OEM parts or carry a full Gelco catalog. What we do is choose a part that fits the run, meets the listing and keeps the system working the way it was designed to.
Repair or replace comes down to what the inspection shows. Where corrosion is cosmetic, we clean and recoat. Where a liner or cap is structurally compromised – rusted through, crushed, a seam that won’t hold – honest replacement is safer than patching it and hoping. You’ll see the evidence from the camera inspection and photo report before you decide. Call (888) 854-6163 for a free estimate.
Our Gelco Service Process – Step by Step
- 1
Diagnosis. We start with a Level 2 inspection of the Gelco run – cap, liner seams, flue collar, appliance connector and the roof-line hardware around it. Camera inspection and a photo report come with it, so you see what we see.
- 2
Repair or install. Once we know what’s failing, we quote the work in writing. Corroded caps get replaced with a quality part that fits. A crushed flex section gets cut out and replaced rather than swept over. Joints get re-fastened with hardware that will hold.
- 3
Test. We check draft, verify every joint on the run and confirm the cap and flashing are sealed against wind and moisture. Creosote removal is confirmed before we call it done.
- 4
Warranty. We walk you through what the repair covers and what the Gelco warranty on your original system does and doesn’t include, so there are no surprises down the road.
See the difference
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After
Before
After
Before
AfterGelco Products We Service & Install in Nampa
We service Gelco stainless steel flexible chimney liner kits, both single-wall and insulated. We work on Gelco rigid stainless liner sections and the fittings that join them, which is where a lot of joint failures start. Gelco chimney caps and multi-flue cap assemblies are routine work, especially on Nampa roofs that take a beating from wind and dust. We also service Gelco UL-listed prefabricated chimney and venting components, which show up frequently in the manufactured homes and older farm-era houses around Nampa. If it’s Gelco and it’s part of the venting system, it’s in scope.

We Also Service These Brands
Gelco isn’t the only system we know. We install and service DuraFlex flexible liner systems and offer HeatShield ceramic flue resurfacing as a repair option for masonry flues that can’t take a liner. That multi-brand range means you’re not bounced to a second contractor mid-project. Sweep, repair and dryer vent cleaning happen under one roof.
FAQs – Gelco Chimney Cleaning Service in Nampa
No. We are an independent service provider and are not affiliated with, authorized by or endorsed by Gelco. We work on Gelco systems regularly and know their forming, joint and clearance details, but no manufacturer authorization, partnership or warranty endorsement is implied.
Yes. We use genuine Gelco or equivalent UL-listed components for liners, caps and connectors, chosen to fit the specific run. We don’t claim to stock OEM parts or carry the full catalog, but we don’t substitute an unlisted part to save a trip either.
A routine Gelco sweep and Level 2 inspection usually takes a couple of hours, and a cap replacement or joint repair adds time depending on access and what the inspection turns up. We set the schedule from the written estimate, not from a guess on the phone. Call (888) 854-6163 for an exact quote.
We cover Gelco stainless flexible liner kits, rigid liner sections and fittings, chimney caps and multi-flue cap assemblies, and UL-listed prefabricated chimney and venting components. If it’s part of the Gelco venting system, we service it.
Proper service by a qualified technician shouldn’t void a Gelco warranty, but the terms are set by Gelco and the original installation. We work warranty-safe and tell you before we start if a repair touches a covered component, so you can decide how to proceed.
A Gelco chimney cleaning in Nampa typically runs in the range of a standard sweep plus the Level 2 inspection, and the written estimate sets the final price before work begins. Repairs like cap replacement or a crushed liner section are quoted separately once we see the evidence. Call (888) 854-6163 for an exact quote – estimates are free.
Book Your Gelco Service in Nampa, ID
If your Gelco system needs a sweep, an inspection or a cap replacement, we’ll tell you what we find and quote it in writing. Call (888) 854-6163. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Estimates are free.
Written by the team at Chimney Sweep Nampa.