On-Site Measure and Quote
We check every opening with a tape measure and laser level, note frame condition, and hand you a written price the same visit. No charge and no obligation to book.
Licensed
Licensed & Bonded
Fully Insured
Insured & Bonded
24/7 Emergency
Same-Day Response
Warranty Backed
15+ Years Trusted in Los Angeles
What a Double Pane Replacement Job Covers
Every job includes the measure, the units, the install labor, sealing, trim reinstallation, cleanup and our workmanship warranty. Glass-only swaps and full-unit replacements are both on the table, and we tell you which one your frames actually need. Add-ons like Low-E, argon fill or grid patterns are priced separately and clearly on the estimate.
Custom Sealed Glass Units
Double pane glass built to your opening size, with Low-E coating, argon gas fill and warm edge spacers as specified. Units arrive NFRC-certified and labeled for inspection.
Removal and Disposal
Old glass, failed units, trim and debris come out and go with us. You do not need a dumpster or a separate haul-away service.
Flashing, Insulation and Sealing
Flashing tape, insulation foam and silicone sealant go around every perimeter so air and water stay outside. This is the step that makes the glass upgrade actually pay off.
Trim, Hardware and Testing
Interior trim goes back on, locks and cranks are checked, and every window is opened and closed with you before we pack up. Weep holes are cleared so the frame drains.
Workmanship Warranty
Our install work is warrantied in writing, and the units carry the manufacturer glass warranty. If a seal fails or a window sticks, you call us and we come back.
Double Pane Window Replacement Los Angeles CA, Done Right
Double Pane Window Replacement Los Angeles CA is the removal and reinstallation of sealed insulating glass units, or full window units, so your home gets a working thermal barrier again. Each unit pairs two panes of glass around a sealed air space, often filled with argon gas, held apart by warm edge spacers and locked to the frame with weatherstripping and silicone sealant. When that seal fails, moisture gets in, the glass fogs, and the insulation value drops to roughly that of a single pane. We replace the failed glass or the whole unit, then flash, insulate and seal the opening so air leakage stops at the frame.
Los Angeles homes built between 1950 and 1985 make up a huge share of our work, and most still carry original aluminum frames with single-pane or early double pane glass. Add inland valley heat that pushes past 100 degrees in July and coastal marine layer that works on seals year-round, and those units fail faster here than most homeowners expect. That is why so many people search for Los Angeles double pane window replacement once the fog between the panes shows up. We handle the whole job, from tape measure to final caulk line, with ENERGY STAR and California Title 24 compliant products.
How Our Replacement Process Runs
Most jobs are measured, ordered and installed inside two to three weeks, with the install itself finished in a single day for a standard house. Here is exactly what happens from the first call to the final walkthrough.
01
Schedule
Call or book online — a real human picks up and confirms a 2-hour arrival window.
02
Diagnose
Licensed tech inspects on-site, then walks you through the cause and your options.
03
Fix
The job is completed to code and done right the first time — no shortcuts, no surprises.
04
Guarantee
Every job backed by a written workmanship warranty — and we stand behind it.
Tools and Standards Behind the Install
Tools & Equipment
Laser level and tape measure
Used at the measure and again at install to confirm every opening is square and the new unit sits plumb. Out-of-square frames are caught before the order goes in.
Pry bar and utility knife
For clean removal of old trim, glazing and failed units without damaging the surrounding stucco or drywall.
Caulking gun and silicone sealant
Seals the perimeter so water and air stay outside. This is the detail that separates a lasting install from a callback.
Insulation foam gun
Fills the gap between the rough opening and the new frame, closing the thermal bridge that shows up as a draft around the edges.
Flashing tape
Applied at the head and sides of the opening to shed water away from the frame, which matters on stucco walls after a heavy rain.
Drill and screwdriver set
For hardware, trim and frame fastening. We check every lock, crank and roller before the job is signed off.
Methods & Standards
AAMA installation standards
We set and seal units following AAMA guidance for the wall type, which is what an inspector looks for and what keeps the warranty valid.
NFRC-rated glass selection
Each glass package is chosen by elevation using NFRC performance ratings, so the sunny side gets more protection than the shaded side instead of one blanket spec.
California Title 24 compliance
Replacement units meet Title 24 requirements for our climate zone. We handle the permit and inspection coordination where the city requires it.
Perimeter air-sealing sequence
Flashing first, then insulation foam, then silicone sealant, then trim. Doing it in that order is why the seal holds through heat and marine layer cycles.
When Double Pane Replacement Makes Sense
01
A 1960s ranch in Northridge with original aluminum sliders that fog every winter and rattle in the wind.
What we do: We replace the failed sealed units and rebuild the slider tracks and rollers, or swap to full vinyl units if the frames are too far gone. Glass package is matched to the west-facing exposure.
→ Clear glass, smooth operation and a room that holds temperature instead of leaking it. Most jobs finish in one day.
02
A Santa Monica condo two blocks from a busy street where the bedroom window does nothing for noise.
What we do: We spec a thicker double pane assembly with a wider air space and sealed perimeter, then verify the frame is sound enough to carry the extra weight.
→ Traffic noise drops enough that light sleepers stop waking at 5 a.m. The unit stays clear because the seal is new.
03
A Sherman Oaks home where two upstairs windows have lost their seals and the afternoon sun bakes the rooms.
What we do: Low-E glass with argon fill on the sunny elevations, standard double pane on the shaded side, so you pay for performance where it actually matters.
→ Afternoon room temperatures fall several degrees and the AC runs shorter cycles. The foggy panes are gone.
04
A Pasadena craftsman where the wood frames are sound but the glass is single pane and the rooms are cold in January.
What we do: Glass-only double pane replacement keeps the original frames and trim, which preserves the look of the house and cuts the cost of the job.
→ The home keeps its character and gains a real thermal barrier. Cold-night drafts at the windows stop.
How Double Pane Replacement Runs in Los Angeles
Los Angeles is a patchwork of building stock, and that shapes every job. A 1920s bungalow in Echo Park may have wood frames worth saving with glass-only replacement, while a 1970s condo in Van Nuys usually needs full units because the aluminum frames have lost their seals and their shape. Inland Valley heat above 100 degrees in July and August stresses sealed units harder than coastal air, which is why Woodland Hills and Northridge homes tend to fail earlier than Santa Monica ones. We spec Low-E glass and argon fill for the hot elevations and keep the glass package honest for the shaded sides. Permits and California Title 24 compliance are handled where the city requires them, and we coordinate the inspection so you are not chasing paperwork. If you are comparing double pane window replacement cost Los Angeles California quotes, ask each contractor whether the price includes permit, flashing and haul-away, because the cheap number often does not. We serve Los Angeles County with crews based in the city, so a measure in 91316 or 91311 is usually a same-week appointment.
Neighborhoods We Serve
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Sherman Oaks
A mix of 1950s ranches and newer builds, many with west-facing walls that take the full afternoon sun and fail sealed units early.
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North Hollywood
Older homes near the boulevards deal with traffic noise as much as heat, so glass thickness gets matched to the noise source.
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Santa Monica
Coastal marine layer works on window seals year-round, and many condos need HOA-approved unit styles before ordering.
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Pasadena
Craftsman and Spanish homes often have sound wood frames, which makes glass-only double pane replacement the cost-smart call.
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Woodland Hills
Some of the hottest summer temperatures in the city, so Low-E and argon fill are standard on west- and south-facing glass here.
Local Conditions We Plan For
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Inland Valley heat above 100 degrees
Sealed units and weatherstripping age faster, so we spec glass and spacers rated for the thermal swing and check frames for warping at the measure.
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Coastal marine layer and salt air
Moisture attacks seals and metal frames near the coast, which is why vinyl and fiberglass frames are common choices for Santa Monica and Venice-area homes.
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Stucco walls on mid-century homes
Stucco needs careful flashing and patching at the opening. We plan the trim and seal detail before install day so the wall stays watertight.
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Freeway and boulevard noise corridors
Homes near the 101, 405 and major boulevards get a glass package chosen for sound reduction, not just thermal performance.
Foggy Woodland Hills Living Room
Problems Double Pane Replacement Solves for Los Angeles Homes
Most calls we get start with one of these four complaints. All of them trace back to a failed seal, a tired frame or glass that was never built for this climate.
Problem
Fog or condensation trapped between the panes
The seal is broken, the insulation value is gone, and the view is permanently clouded. Left alone, moisture keeps working on the frame and can reach the wall.
Our Fix
We replace the failed sealed unit or the whole window, depending on frame condition, and reseal the perimeter. Clear glass and a working thermal barrier come back the same day.
Problem
Drafty windows and high summer cooling bills
Air leakage around worn weatherstripping and old frames forces the AC to run longer. A typical Los Angeles home can lose 20 to 30 percent of cooled air through bad windows.
Our Fix
New double pane units with fresh weatherstripping, insulation foam and silicone sealant close the gaps. Most customers see $30 to $60 a month less on summer cooling.
Problem
Street and freeway noise in bedrooms
Single glass and failed double pane units let traffic noise straight through. Light sleepers near the 101, 405 or major boulevards feel it every night.
Our Fix
A sealed double pane assembly with a proper air space cuts that noise significantly. We match the glass thickness to the noise source so the bedroom actually gets quiet.
Problem
Rotted or stuck frames around old glass
Wood frames that have taken on water swell, stick and eventually rot. Painting over the problem buys a season at most before the window stops closing.
Our Fix
We inspect the frame at the free measure and tell you whether glass-only replacement will hold or a full-unit swap is the honest call. No surprises after the order is placed.
What New Double Pane Glass Actually Does
Replacement glass is not cosmetic. It changes how much heat crosses the window, how much noise gets through, and how hard your HVAC has to work. Here is what Los Angeles homeowners notice first.
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Lower Summer Heat Gain
Low-E glass with argon gas reflects a large share of solar heat before it enters the room. West- and south-facing rooms in the Valley that hit 88 degrees inside now hold closer to 76 with the AC running less. Most customers see the difference on the first hot afternoon after installation.
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Quieter Rooms
A sealed double pane assembly with a proper air space knocks down traffic and aircraft noise noticeably. Bedrooms facing Van Nuys Boulevard or the 405 corridor are the most common request. Homeowners regularly tell us they stopped waking up at 5 a.m. after the swap.
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No More Foggy Glass
Fog between the panes means the seal is gone and the unit is done. Replacement glass restores a clear view and the insulation value that went with it. We see this most on south- and west-facing units after eight to twelve years of Los Angeles sun exposure.
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Fewer Drafts, Lower Bills
New weatherstripping, insulation foam and silicone sealant close the gaps that let conditioned air escape. A typical 1,800 square foot Los Angeles home with eight to ten replaced units reports $30 to $60 a month less on summer cooling. That adds up fast against the cost of the job.
Licensed, Certified and Reviewed
Licensed & Certified
- NFRC Certified Products — issued by National Fenestration Rating Council
- AAMA Installation Standards — issued by American Architectural Manufacturers Association
- ENERGY STAR Partner Products — issued by U.S. Environmental Protection Agency and U.S. Department of Energy
- California Title 24 Compliance — issued by California Energy Commission
- WDMA Member Standards — issued by Window and Door Manufacturers Association
Verified Reviews
Google ★★★★★4.9
Measured on a Tuesday, installed the following week, done in one day. The crew covered the furniture and hauled every bit of old glass. Our Woodland Hills living room is finally clear and cool.
Yelp ★★★★★4.8
They were the only quote that checked the frames with a level and told me two were out of square. Fair price, clean work, and they came back to adjust a slider at no charge.
BBB A
Licensed, insured and easy to reach. We had eight foggy units replaced in Santa Monica and the noise from the street dropped enough that the bedroom is usable again.
Fifteen Years of Los Angeles Window Work
American Reliable Windows & Doors has been installing and replacing windows in Los Angeles since 2011, which puts us at 15 years in business as of 2026. In that time we have worked on Spanish Colonial bungalows in Echo Park, mid-century ranches in Woodland Hills, and stucco condos in Santa Monica. Our installers are trained on NFRC-certified performance ratings and AAMA installation standards, and we pull permits where the city requires them. We have replaced thousands of failed sealed units and know exactly which frame and glass combinations hold up to Valley heat and coastal moisture.
- 15 years serving Los Angeles County, from Sherman Oaks to Pasadena
- Installers trained to AAMA and WDMA installation standards
- Products carry NFRC certification and meet California Title 24
- Permit handling and inspection coordination included where required
- Workmanship warranty on every double pane window replacement
What Los Angeles Customers Say
Real experiences from customers who chose our Double Pane Window Replacement services.
“Our west-facing living room hit 89 degrees every July afternoon. The crew measured on a Tuesday, installed eight Low-E double pane units the following week, and the room now stays around 77 with the AC cycling less. They covered the furniture, hauled the old glass, and finished in one day. The foggy bedroom window is finally clear too.”
M
Marisol R.
Homeowner, Woodland Hills
“I had three failed seals in the front windows of a 1962 house. They replaced the glass units without touching the original frames, which saved me a lot of money. The installers were careful with the stucco and left the place cleaner than they found it. Street noise from Lincoln is noticeably quieter now.”
D
Derek T.
Homeowner, Santa Monica
“We got four quotes for dual pane window replacement in Los Angeles and these folks were the only ones who checked the frames with a level and pointed out two that were out of square. Price was in the middle, the work was clean, and they came back once to adjust a sticky slider at no charge. That follow-up is why I would call them again.”
P
Priya N.
Homeowner, Sherman Oaks
Double Pane Window Replacement Questions We Hear Daily
Real answers to the questions we hear most often from local homeowners and property managers.
How much does double pane window replacement cost in Los Angeles?
Most Los Angeles homeowners pay $450 to $1,100 per window installed in 2026, with a typical eight-window house landing between $4,000 and $8,000. Glass-only replacement of a failed sealed unit runs $180 to $350. Frame material, Low-E and argon upgrades, second-story access and rotted frame repair all move the number. We give you a firm written price at the free measure.
Who is the best double pane window replacement company in Los Angeles CA?
The best company is the one that measures correctly, pulls permits, and answers the phone after the job. We have been at it since 2011, carry full licensing and insurance, and warranty our workmanship in writing. Ask any contractor for their license, certificate of insurance and three recent Los Angeles references before you sign.
Are dual pane windows worth it in Los Angeles California?
Yes, especially on west- and south-facing walls where heat gain drives cooling bills. A sealed Low-E double pane unit cuts solar heat and street noise far better than single glass, and most homeowners recoup part of the cost through lower summer cooling. Expect $30 to $60 a month in savings on a typical 1,800 square foot home.
How long does double pane window replacement take in Los Angeles?
Custom units arrive in 10 to 15 business days, and the install itself takes six to eight hours for a standard eight-window house. Larger homes or jobs with rotted frame repair can run two days. We confirm the schedule at order and call the day before with an arrival window.
Other Window Work That Pairs With This Job
Energy Efficient Window Installation
New construction and full-frame installs where the whole opening, not just the glass, gets replaced. We pair this with double pane units when frames are rotted or the rough opening is out of square.
View Energy Efficient Window InstallationEnergy Efficient Window Replacement
The broader upgrade that includes double pane glass plus frame and seal work. If your goal is a whole-house performance jump, this is the umbrella service to ask about.
View Energy Efficient Window ReplacementTriple Pane Window Replacement
A third pane and a second air space for homes facing freeway noise or extreme Valley heat. Heavier and pricier than double pane, but the quiet and insulation gain is real.
View Triple Pane Window ReplacementLow-E Window Replacement
Low-E coatings reflect solar heat while letting visible light through. This is the most common glass upgrade we add to a double pane order for west-facing Los Angeles rooms.
View Low-E Window ReplacementInsulated Window Replacement
Covers the full insulated assembly, including argon fill, warm edge spacers and perimeter insulation. It is the technical side of what makes double pane glass perform.
View Insulated Window ReplacementThermal Window Replacement
Focused on heat transfer, this service targets rooms that overheat in summer and lose warmth on cold nights. Double pane glass is the baseline; thermal upgrades push it further.
View Thermal Window ReplacementCall for a Free Window Measure
Reach us at (747) 350-1790 Monday through Friday, 8 a.m. to 6 p.m., and most calls are answered by a person, not a queue. Leave a message after hours and we return it the next business morning. Tell us how many openings you have and what is failing, drafty, foggy, or noisy, and we will book a measure slot and confirm by text.
American Reliable Windows & Doors
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Phone
(747) 350-1790 -
Address
Los Angeles, CA
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Hours
Mon–Fri: 7AM – 7PM
Sat: 8AM – 4PM
Sun: Emergency Only
24/7 Emergency Available