Are seismic gas shut-off valves required in California?

• <div><p>Almost all new buildings in California need an earthquake shut-off valve. The requirements for an earthquake gas shut-off valve (and who can install it) depend on where you live. For example, according to the <a href="https://codelibrary.amlegal.com/codes/los_angeles/latest/lamc/0-0-0-186081">Los Angeles Municipal Code</a>, you’re required to hire a licensed contractor to install one whenever you build, sell, or renovate a home. Check with your local building department for your city’s laws on installing, permitting, and inspecting earthquake shut-off valves.</p></div>

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Q: Does a gas fireplace need a chimney?

• <div><p>Not all gas fireplaces need a chimney. If you install a <a href="https://www.angi.com/articles/pros-cons-ventless-gas-fireplaces.htm">ventless gas fireplace</a>, it will release low levels of combustion byproducts back into your living space (instead of pushing them outside through a chimney or vent). Ventless fireplaces burn fuel efficiently, so the emissions are minimal&mdash;but they could bother people with allergies or respiratory issues.</p></div>

Q: What are common issues in gas piping that require attention?

• <div><p>Leaks, low pressure, or inefficient flow are common problems needing professional repairs.</p></div>

Q: What safety measures are important in gas appliance installation?

• <div><p>Safety steps include proper vent installation, connector tightness, and leak testing. A safe environment must be maintained throughout.</p></div>

Q: Can I convert my existing oil or natural gas boiler to propane?

• <div><p>In some cases, conversion kits are available, but not all boilers are compatible. Conversion may require significant modifications and should only be performed by a qualified professional. Before making a decision, compare conversion costs to the cost of a complete replacement to determine the most cost-effective and reliable option for your home.</p></div>

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Verified Reviews for Gas Log Service pros in Downs, KS

*The Angi rating for Gas Log Service companies in Downs, KS is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Gas Log Service needs.

*The HomeAdvisor rating for Gas Log Service companies in Downs, KS is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Gas Log Service needs.

Last update on November 18, 2025

Reviewed in May 2019
I wanted to replace my AC unit due to it requiring R22 freon which is being phased out so I decided to replace the gas furnace at the same time. I called four (4) different local contractors and received bids from three (3) of them. I don't know why the fourth didn't provide an estimate. Brian...
B & L Heating & Cooling
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Reviewed in July 2016
I am excited to recommend Green Improvement Consulting. The quality of their work, as well as the knowledge and efficiency shown by the entire staff was superb. The energy audit was done very professionally and explained to me in detail, but in a way that I could comprehend. They made sure that...
Green Improvement Consulting
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Reviewed in January 2016
The quality of their work, as well as the knowledge and efficiency shown by the entire staff was superb. The energy audit was done very professionally and explained to me in detail, but in a way that I could comprehend. They made sure that I understood what the biggest need to improve my home...
Green Improvement Consulting
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Reviewed in December 2013
I followed the instructions carefully and after collecting the air for the required amount of time returned the vials as instructed. In a couple of weeks we received a report on the amount of radon gas found in our home. Instructions on what to do next, if remediation was necessary. It was an...
Environmental Testing & Research Laboratories, Inc
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Reviewed in December 2012
The installation team was very efficient and provided a professional installation. All of the windows raise and lower nicely. During the visit, they performed a replacement of the lift rods of a previously installed window that had the incorrect rods installed from the factory. That...
Alenco Inc.
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Gas Logs questions, answered by experts

Not all gas fireplaces need a chimney. If you install a ventless gas fireplace, it will release low levels of combustion byproducts back into your living space (instead of pushing them outside through a chimney or vent). Ventless fireplaces burn fuel efficiently, so the emissions are minimal—but they could bother people with allergies or respiratory issues.

Leaks, low pressure, or inefficient flow are common problems needing professional repairs.

Safety steps include proper vent installation, connector tightness, and leak testing. A safe environment must be maintained throughout.

Almost all new buildings in California need an earthquake shut-off valve. The requirements for an earthquake gas shut-off valve (and who can install it) depend on where you live. For example, according to the Los Angeles Municipal Code, you’re required to hire a licensed contractor to install one whenever you build, sell, or renovate a home. Check with your local building department for your city’s laws on installing, permitting, and inspecting earthquake shut-off valves.

In some cases, conversion kits are available, but not all boilers are compatible. Conversion may require significant modifications and should only be performed by a qualified professional. Before making a decision, compare conversion costs to the cost of a complete replacement to determine the most cost-effective and reliable option for your home.

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