Factory Built Prefabricated Fireplaces - Sacramento CA - A to Z Chimney
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Interested In A Factory-Built Or Prefabricated Fireplace Or Chimney?

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Outside view of a prefab chimney.

Factory-built or “prefabricated” fireplaces are a great alternative to more traditional masonry fireplaces, offering many of the same benefits without all the expense. A to Z Chimney Services helps many homeowners around Sacramento by installing, updating, and repairing prefab units.

It’s important to hire a certified NFI technician to install or repair your factory-built appliance so that your unit will perform efficiently and safely—the way it was designed to. The last thing you want is to have your new unit incorrectly installed and then have to have it pulled out and redone because something was overlooked. Repairs, maintenance, and installations need to be done to spec every time on a prefabricated chimney system for the safest and most efficient use. Just like masonry units, taking care of factory-built units per the manufacturer’s guidelines and getting them inspected and swept annually will be the best money you will ever spend on your fireplace. A to Z Chimney Services can be there to care for your prefab hearth every step of the way.

Repairs & Installations

Over time, most all prefabricated chimneys will need to have certain parts replaced or repaired. This can present problems when dealing with older units that are no longer being made. That’s when having the ability to make custom parts for some of the more common repairs like chase covers or storm collars is a real plus. A to Z Chimney Services is also part of several larger organizations and can sometimes locate a supplier that may have a part that’s no longer manufactured; this is more common for firebox panels than any other part. We handle the following types of repairs and installation as related to factory-built fireplaces:

  • Decorative Shroud Removal
  • Chimney Caps
  • Storm Collars
  • Short Stacked Chimneys
  • Chimney Height Violations
  • Chase Pan Repair
  • Chase Pan Replacement
  • Zero Clearance Chimney Pipe Relining and Repair
  • Firestop Installation
  • Flashing Repair
  • Refractory Panel Replacement
  • Heat Reflector
  • Gas Log Lighter Installation & Replacement
  • Glass Doors
  • Seal Decorative Facing to Firebox
  • Fireplace and Firebox Repairs
  • Water Damage to Prefab Fireplaces

Glass Doors On Prefabricated Or Zero Clearance Fireplaces

While glass doors for your fireplace are a nice luxury, if you have a prefabricated or zero clearance fireplace, there are some things you should know before spending your hard-earned dollars on a new set. Prefabricated fireplaces are a UL listed product, and the companies who manufacture these fireplaces are very specific about altering them in any way – this includes the installation of a set of aftermarket glass doors that are not original factory parts. What’s the big deal? The answer is simple: It could be a matter of life and death.

Prefabricated fireplaces are usually constructed of two different-sized sheet metal boxes with the smaller box built inside the larger outer box. In most prefabricated fireplaces, there is an air space located between the inner and outer boxes that is designed to allow cool air to circulate as fires are burned, thus keeping the outer sheet metal box as cool as possible. To allow the free passage of circulating air, louvers are usually located either above and below the firebox, or on either side of the firebox. When closed, these illegally installed aftermarket glass doors will severely restrict side air louvers’ ability to circulate cooling air. Cutting off or restricting this vital airflow may result in overheating your prefabricated fireplace to dangerously high temperatures.

As you can imagine, keeping the outer sheet metal box as cool as possible is very important because of all the combustible 2X4 studs that make up the structure of your home in close proximity to your firebox. Should the outer sheet metal box overheat, a fire could result, and because you altered the original factory design by adding an aftermarket set of glass doors, your insurance company may even deny your claim.

Call A to Z Chimney Services if your factory-built fireplace doors are broken, if your prefabricated or zero clearance fireplace does not have a set of glass doors, or if your existing glass doors are broken or missing. We’ll help you determine if factory-original glass doors or properly-fitted aftermarket doors are available for your fireplace, and give you prices accordingly. Please keep in mind, however, that some prefabricated fireplaces were never designed with glass doors or that the manufacturer may be out of business.

A to Z Chimney Services knows prefab fireplaces and chimneys forwards and backwards. Please feel free to contact us with questions and requests. Email us at info@atozscreens.com or fill out our online appointment form to schedule your appointment!


Fireplace walls and screen replacements are important components that contribute to the safe operation of your fireplace. Our skilled technicians are experienced with all parts of safe fireplace and chimney installation and function, so ask us for our expert opinion.

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Angie's List Super Service Award


Dear A to Z,

I just wanted to thank you for your honesty and for a thorough inspection of my chimney. One of the biggest concerns I have when hiring service professionals is being taken advantage when not having first hand knowledge of the various procedures. Last year when I had my chimney swept by one of your competitors, they claimed that I had a chimney fire, and that my flue was now cracked and needed extensive repairs.

This year, I hired A to Z to come out and sweep and inspect the flue because I heard they inspect the chimneys with a Chim Scan camera at no additional charge. The technician who came to my home, assured me I would be able to see any cracks or hazardous conditions along with him as he video scanned my flue. To my utter delight, NO EVIDENCE OF A CHIMNEY FIRE OR DAMAGE IN MY FLUE WAS DETECTED!!! Chris was extremely detailed in his inspection and really took his time educating me so I could feel comfortable. It was obvious that he knew what he was talking about and truly interested in doing the right thing…a far cry from last year’s experience with the other company. If anyone asks for an HONEST, COMPETENT, AND PROFESSIONAL chimney sweep company, I'll be sure to recommend A to Z!

~ Ms. Randi Scott, Lincoln, CA
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