Fast, Reliable Fireplace Services Across Ontario
Fireplace service in Ontario, CA typically runs $150-$650 depending on whether you need a routine tune-up, a damper repair, or full firebox restoration, and our technicians complete most jobs in a single visit with upfront pricing that matches the final invoice. We’re familiar with the split personality of Ontario’s housing stock, from the original masonry fireplaces in the 91762 and 91764 ZIP codes to the zero-clearance prefab units in Ontario Ranch (91761), and we carry the parts and protocols for both. If your gas fireplace won’t light, your wood burner is smoking into the room, or you’re hearing odd drafts from the flue, call (844) 803-1545 - a live person answers, and we’ll get you scheduled.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Why Hearthstone Chimney Co. Is Ontario’s Preferred Fireplace Services Company
We’ve been serving the Inland Empire since 2014, and Ontario has been part of our route for decades. The older grid streets near downtown Ontario, the ranch-style homes south of Holt Boulevard, and the newer developments creeping toward the 15 Freeway - we’ve worked on fireplaces in all of them. Our Fireplace Services in Ontario page details our full coverage, but here’s what matters: we know that a 1963 tract home near Euclid Avenue has different needs than a 2008 production build near Edison Avenue, and we inspect accordingly.
Ontario customers tell us they chose us because we show them photos from inside their chimney and explain what they’re looking at in plain English - no jargon, no scare tactics. Our 90-Day Done Right Promise means if something isn’t right, we come back and fix it. In writing, no arguing. That’s been our standard for over 12 years, and it’s why homeowners in Ontario call us back when their neighbors need a referral.
Our technicians are background-checked, uniformed, and carry professional-grade materials from brands like DuraFlex and HeatShield on every truck. Most repairs finish in one visit because we stock the parts that Ontario’s two dominant housing eras actually need. No waiting for a second trip, no surprises on the bill.
A live person answers our phones 24 hours a day, 7 days a week. Not a callback queue, not an app. If your fireplace issue can’t wait, neither do we.
Our Fireplace Services in Ontario
Gas Fireplace Service
Gas fireplaces in Ontario Ranch and the newer 91761 developments often go years without service because they “look fine.” They aren’t. The pilot assemblies clog with dust from our semi-arid climate, the thermopiles weaken, and the venting gets compromised by Santa Ana debris blown down from the Cajon Pass. We clean the burner, test the safety shutoffs, check gas pressure, and inspect the venting - documented with photos you can see. A typical gas fireplace service in Ontario runs $150-$250.

Wood Burning Fireplace
Wood burning fireplaces in Ontario face a problem most cities don’t: the South Coast AQMD’s “No Burn” curtailment days compress all your fireplace use into a handful of permitted nights per season. That concentrated burning creates accelerated creosote buildup in a compressed window rather than gradual accumulation across a full season. We see this pattern constantly in the mid-century homes near downtown Ontario and along Mission Boulevard. Our Level-2 camera inspection catches what the eye can’t, and we clean to NFPA 211 standards. A wood burning fireplace cleaning and inspection in Ontario typically costs $200-$350.

Fireplace Insert
Many Ontario homeowners in the 91762 and 91764 ZIP codes have installed inserts to improve efficiency in original masonry fireplaces. Inserts are only as good as their connection to the flue liner, and we’ve found more than one in Ontario with improper termination clearances or deteriorated flex liners hidden from view. We inspect the full run with a camera, verify clearances to combustibles, and ensure the insert is venting safely. Fireplace insert service in Ontario generally runs $250-$450 depending on access and liner condition.

Damper Repair
A stuck or rusted damper wastes heated air in winter and lets in dust and Santa Ana-driven debris year-round. In Ontario’s dry climate, cast-iron throat dampers seize more often than in coastal cities. We repair or replace with stainless steel components from Copperfield that won’t corrode in our low-humidity environment. Damper repair in Ontario typically costs $180-$340, and we can usually complete it same-day.

Firebox Repair & Fireplace Conversion
We also handle Chimney Liner & Rebuild in Ontario when firebox damage extends into the surrounding structure, and we perform fireplace conversions for homeowners switching from wood to gas or updating an aging unit. Every conversion gets a full venting analysis - critical in Ontario, where the combination of older clay-tile liners and compressed burning seasons creates unique stress patterns.

Trusted Brands We Service in Ontario
Our trucks carry professional-grade materials from Famco, DuraFlex, HeatShield, and other industry-trusted brands - no builder-grade substitutes. We maintain local inventory of the components Ontario’s housing stock actually needs: HeatShield cerfractory flue sealant for cracked terra-cotta tiles in mid-century chimneys, DuraFlex liners for insert retrofits, and Famco termination caps engineered to resist Santa Ana wind uplift. That means faster turnaround and no waiting for parts to ship. Our Fireplace Services team stocks for the job, not for the catalog.
Common Fireplace Services Problems We See in Ontario Homes
- Cracked terra-cotta flue tiles in pre-1980 homes. The 1992 Big Bear/Landers quake sequence and subsequent seismic events damaged flue liners across Ontario’s older core, particularly in the 91762 ZIP code. The cracks are invisible from below and only surface during a Level-2 camera inspection - a code-compliance issue we catch regularly near downtown Ontario’s grid streets.
- Accelerated creosote from compressed burning seasons. SCAQMD no-burn days force Ontario residents to use their fireplaces intensively on permitted nights. We remove glazed creosote deposits that standard brushing won’t touch, using rotary systems designed for heavy buildup.
- Zero-clearance firebox deterioration in Ontario Ranch homes. The prefab units in 2000s-2010s production homes have metal fireboxes that fatigue faster than masonry when subjected to thermal cycling. We inspect for warping, cracks, and improper clearances that factory manuals specify but homeowners rarely check.
- Santa Ana downdrafts and debris infiltration. Wind funneled through the Cajon Pass deposits nesting material, dust, and roof grit into Ontario chimneys every fall. We clear obstructions and install proper Chimney Cap & Crown in Ontario protection to prevent recurrence.
Chimney Sweeping & Repair in Ontario
The Inland Empire runs hot in summer and cold enough in winter to put real hours on a fireplace. That swing from dry heat to hard frost takes a toll on mortar, and creosote doesn’t care whether you’re burning oak in Riverside County or pine up toward the Cajon Pass. Our certified sweeps inspect every flue with a level-2 camera, show you the photos, and tell you straight what needs doing now and what can wait. Krafted right, every time. That’s how we’ve worked since 2014.
We stand behind it with the Keystone Standard: 90 days, in writing, no arguing. we coordinate through our Inland Empire Metro (Riverside-San Bernardino) service area We’ll be there when we say, and you’ll get a square deal with no surprises on the bill. Senior and veteran discounts always apply.
Chimney Sweeping & Repair in Ontario
The Inland Empire runs hot in summer and cold enough in winter to put real hours on a fireplace. That swing from dry heat to hard frost takes a toll on mortar, and creosote doesn’t care whether you’re burning oak in Riverside County or pine up toward the Cajon Pass. Our certified sweeps inspect every flue with a level-2 camera, show you the photos, and tell you straight what needs doing now and what can wait. Krafted right, every time. That’s how we’ve worked since 2014.
We stand behind it with the Keystone Standard: 90 days, in writing, no arguing. we coordinate through our Inland Empire Metro (Riverside-San Bernardino) service area We’ll be there when we say, and you’ll get a square deal with no surprises on the bill. Senior and veteran discounts always apply.
Pricing for Fireplace Services in Ontario, CA
| Service | Typical Range in Ontario |
|---|---|
| Gas fireplace tune-up & safety check | $150 - $250 |
| Wood burning fireplace cleaning & Level-2 inspection | $200 - $350 |
| Fireplace insert service & liner check | $250 - $450 |
| Damper repair or replacement | $180 - $340 |
| Firebox repair (minor refractory panel replacement) | $300 - $550 |
| Fireplace conversion (wood to gas) | $2,800 - $4,500 |
What moves the needle within these ranges: access difficulty, parts availability for your specific unit, and whether we find secondary issues during inspection - cracked flue tiles, for example, or improper clearances that need correction before the fireplace can be used safely. We quote upfront after inspection, not after the work is done. The number on the estimate is the number on the invoice. Estimates are free, and our $89 Seasonal Tune-Up covers most routine gas fireplace needs. Seniors and veterans receive a standing 5% discount.
We Also Serve Cities Near Ontario
Our service radius covers the full Inland Empire corridor, including Ontario and neighboring Montclair, Upland, Chino, and Claremont. The same technicians, same trucks, same live-answer phones - whether you’re off Foothill Boulevard or up near Mount Baldy Road.
Serving Ontario, CA - Our Local Coverage Area
We’re based in the Ontario area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Fireplace Services in Ontario
We typically schedule Ontario appointments within 1-3 business days, and same-day service is often available for urgent issues like gas leaks or blocked flues. Call (844) 803-1545 - a live person will check real-time availability and get you on the calendar.

Yes. We service the full Ontario area including the original downtown grid (91762), the established neighborhoods south of Holt Boulevard (91764), and the newer Ontario Ranch developments (91761) with their distinct prefab fireplace systems.

Yes. Our phones are staffed by a live person 24 hours a day, 7 days a week, and we dispatch for genuine emergencies including gas odors, smoke backup, and suspected carbon monoxide issues. If it’s unsafe, don’t wait - call (844) 803-1545.

Pricing is consistent across our service area, though Ontario’s split housing stock means some jobs require specialized parts: HeatShield for cracked terra-cotta in older homes, DuraFlex liners for Ranch-area inserts. We quote upfront so you know before we start.

Every repair and installation is backed by our 90-Day Done Right Promise in writing - if it’s not right, we come back and make it right, no paperwork and no arguing. Parts carry manufacturer warranties from brands like Famco and HeatShield. Call (844) 803-1545 for details on your specific job.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Ontario and the Inland Empire since 2014.
