Documentation Instead of a Sales Pitch
When a homeowner is trying to decide between sticking with a wood burning fireplace, converting to gas, or installing something new entirely, the most useful thing we can offer is not an opinion but a documented look at what the existing system can actually support. Here is what that evaluation visit covers for each fuel type and how the findings shape the recommendation.
Starting With What You Already Have
Before discussing gas versus wood in the abstract, the technician examines your current setup. For an existing wood burning fireplace, this means checking the flue liner condition, firebox dimensions, and damper function, the same components covered in a standard inspection. For a home considering its first fireplace installation, the visit instead focuses on what the framing and venting options allow for, since not every wall or room can accommodate every fireplace type without additional construction work.
What Gets Checked for a Wood Burning Evaluation
Flue Liner Condition
The liner has to be intact and correctly sized for a wood burning fire to vent safely. Cracks, gaps, or an oversized liner relative to the firebox all get documented, since any of these can affect both safety and how well the fireplace performs.
Draft Performance
The technician assesses whether the chimney draws consistently, since a wood fire depends entirely on draft to vent completely and burn cleanly. Poor draft in an existing wood system is one of the more common reasons homeowners start considering a switch to gas.
Clearance and Combustible Materials
Framing clearances around the firebox and chimney chase get verified against code requirements, particularly in older homes where original construction sometimes predates current standards.
What Gets Checked for a Gas Evaluation
Gas Line Access and Sizing
If gas service does not already run to the fireplace location, the technician documents what it would take to bring a line in, including distance from the existing supply and any additional permitting the work would require.
Venting Requirements
Direct vent gas fireplaces need a sealed vent to the exterior, while certain models can vent through an existing masonry flue with modification. Which option applies depends on the specific fireplace model being considered and the layout of the existing chimney.
Existing Firebox Compatibility
For a conversion rather than new construction, the technician checks whether the current firebox dimensions and flue can accommodate a gas insert or log set without modification, or whether liner work would be needed first.
Comparing What Each Option Requires Going Forward
Wood burning systems need annual cleaning and inspection at minimum, along with periodic firebox and damper maintenance as components age. Gas systems need far less physical upkeep but still require periodic professional attention: burner and pilot assembly cleaning, thermocouple testing, and venting checks to confirm nothing has shifted or become obstructed over time. Neither option is maintenance free, but the type of maintenance differs enough that it is worth documenting clearly rather than assuming one system requires no attention at all.
Air Quality Rules and What They Mean for Your Choice
The South Coast Air Quality Management District designates certain days as no burn days when regional air quality drops below acceptable levels, and wood burning fireplaces without qualifying inserts fall under those restrictions. Gas fireplaces are not affected by no burn day rules. For a household in the Pasadena area that wants to use a fireplace on short notice without checking air quality alerts first, this is a real practical difference the evaluation report calls out directly rather than treating it as a minor footnote.
What the Written Evaluation Includes
At the end of the visit, you receive a summary comparing your specific situation across both fuel types rather than generic pros and cons that apply to any home. This includes:
- - Current system condition, whether wood, gas, or nonexistent
- What would need to change to support a conversion, if one is being considered
- Rough scope of work involved for gas line, venting, or liner modifications
- Ongoing maintenance expectations for each option going forward
- Any code or clearance issues that would need to be resolved regardless of fuel choice
A Case Where the Evaluation Changes the Decision
We sometimes see homeowners arrive with a strong preference already formed, usually toward gas for the convenience, only to find during the evaluation that their existing masonry flue is well suited for direct venting with minimal modification, which makes the conversion considerably simpler than they expected. Other times the opposite happens: a homeowner leaning toward gas discovers the nearest gas line sits far enough from the fireplace location that trenching and permitting would add meaningfully to the project, and they decide the existing wood system just needs a liner repair and continued annual service instead. Neither outcome is right or wrong. The point of documenting the evaluation is making sure the decision reflects what your specific home can support rather than a general assumption about which fuel type is better.
When Conversion Makes the Most Sense
Conversion tends to make the most practical sense when an existing wood fireplace sits mostly unused because of the effort involved in maintaining it, when air quality restrictions are limiting how often the fireplace gets used, or when a liner already needs replacement and the household is deciding what to install instead of the old system rather than simply repairing what is there.
When Staying With Wood Makes the Most Sense
The evaluation sometimes points the other direction entirely. A liner in good condition, adequate draft, and a household that genuinely enjoys the process of building and tending a fire are all reasons a technician might recommend continued wood use with routine maintenance rather than a conversion. Cost plays a role here too. If the flue is already sound and code compliant, the expense of a gas line extension and venting work may simply not be justified by the convenience gained, especially for a household that only lights a handful of fires each winter to begin with.
Ambiance and the Limits of an Evaluation
One thing this visit does not attempt to measure is which fuel type feels more authentic to you personally. Modern gas units have improved considerably, with realistic log sets and adjustable flame patterns that satisfy most homeowners, but they still do not fully replicate the unpredictable movement, crackle, and smell of an actual wood fire. That preference is entirely yours to weigh, and the evaluation is designed to hand you accurate information about cost, code, and maintenance so that preference is the only variable left for you to decide on your own.
Questions That Come Up During This Visit
Can I keep my existing mantel and surround if I convert to gas? In most cases yes, particularly if the conversion uses a gas log set or insert sized to fit the existing firebox opening rather than requiring a full rebuild.
Will a gas conversion affect my homeowner's insurance? Insurance considerations vary by carrier, and we recommend checking with your provider directly, though a documented, code compliant installation report from this visit is typically what an insurer will ask to see either way.
What if the evaluation finds problems with my current wood system regardless of what I choose? Any deficiency found, such as a compromised liner or inadequate clearance, gets documented and addressed as its own item, separate from whatever fuel decision you ultimately make, since those issues would need attention under either scenario.
Scheduling Your Fireplace Evaluation
Whether you are maintaining a wood burning fireplace, weighing a conversion to gas, or planning a new installation, Forge Path Services Chimney Sweep can document exactly what your home's existing chimney and framing can support before you commit to a direction. Call (818) 671-0728 to schedule a visit. We serve Pasadena and surrounding San Gabriel Valley communities, including Altadena, Alhambra, San Marino, La Canada Flintridge, and Montrose.
Need Professional Chimney Service?
Our CSIA-certified technicians are ready to help with all your chimney and fireplace needs. Contact FP Chimney Sweep today for expert service throughout the Pasadena and the San Gabriel Valley service area.





