In-Home Measure and Fixed Quote
We measure every opening with a tape measure and laser level, check frame condition, and note exposure direction. You get a written fixed price before anything is ordered, so the number does not move after the order.
Licensed
Licensed & Bonded
Fully Insured
Insured & Bonded
24/7 Emergency
Same-Day Response
Warranty Backed
15+ Years Trusted in Los Angeles
What Our ENERGY STAR Window Replacement Includes
Every job includes the measure, the certified units, installation, sealing, trim, and disposal. Frame repair and glass upgrades are priced separately if your home needs them. Here is what you get as standard.
NFRC-Certified Units
Windows rated by the National Fenestration Rating Council and built to ENERGY STAR and California Title 24 requirements. U-factor and Solar Heat Gain Coefficient are matched to the direction each window faces.
Full Removal and Disposal
We pull the old units, haul them away, and clean the opening before the new window goes in. Old glass, frames, and trim leave with us, so you are not renting a dumpster or making trips to the transfer station.
Sealing and Insulation
Flashing tape, insulation foam, weatherstripping, and silicone sealant close the rough opening and the frame perimeter. This is the step that stops air leakage and keeps the certified rating from leaking around the edges.
Trim, Screens, and Walkthrough
Interior and exterior trim finished, screens fitted, and every window opened and closed during a walkthrough. You get operation and care instructions plus warranty paperwork for the units and our workmanship.
What ENERGY STAR Window Replacement Los Angeles CA Actually Involves
ENERGY STAR Window Replacement Los Angeles CA is the removal of your existing glass and frames and the installation of NFRC-certified units that meet the federal ENERGY STAR program and California Title 24. The work covers measuring every opening, checking frame condition, and matching U-factor and Solar Heat Gain Coefficient to the direction each window faces. We pull old units, inspect for rotted frames, seal the rough opening with flashing tape and insulation foam, then set Low-E glass with argon gas and warm edge spacers.
Los Angeles homes take a beating from sun exposure and temperature swings between the Valley and the coast. Single-pane aluminum windows common in 1960s Sherman Oaks and Van Nuys builds let heat gain through and leak cooled air out, which pushes your AC to run longer. If you have been searching for ENERGY STAR window replacement in Los Angeles CA near me, the fix is a certified unit matched to your exposure, not just thicker glass. We see foggy double pane glass and drafty windows on nearly every estimate.
How Our Window Replacement Process Runs
We measure, order, and install in a sequence that keeps surprises off your calendar. Here is what you experience from first call to 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 Methods We Use
Tools & Equipment
Laser Level and Tape Measure
Used at the measure to confirm square, level, and exact opening dimensions. Accurate numbers are what make a certified unit fit and seal correctly.
Pry Bar and Utility Knife
Used to remove old trim and units without damaging the surrounding wall, and to cut sealant and flashing cleanly during removal.
Caulking Gun and Silicone Sealant
Used to seal the frame perimeter and trim joints. A clean bead of silicone is part of what stops air leakage around a certified window.
Insulation Foam Gun and Flashing Tape
Used to fill the rough opening and seal the frame-to-wall joint. This is the detail that keeps the certified rating from leaking around the edges.
Drill and Screwdriver Set
Used to set frames, hardware, and trim. Proper fastening keeps the unit square and the locks aligned over years of use.
Methods & Standards
NFRC Rating Match
We read U-factor, Solar Heat Gain Coefficient, and Visible Transmittance for each unit and match them to the direction the window faces. A west-facing window gets a different glass package than a north-facing one.
California Title 24 Compliance
Every replacement is specified and installed to meet California Title 24 requirements for the climate zone. We handle the compliance paperwork so the install passes inspection without you chasing documents.
Flashing Tape and Foam Sealing
We seal the rough opening with flashing tape and insulation foam before trim goes on. This is the method that closes air leakage paths a caulk-only install leaves open.
Frame Repair Before Set
We inspect for rotted frames and stuck sashes during removal and repair before the new unit goes in. Setting a certified window into a failing frame wastes the rating.
When to Schedule Certified Window Replacement
01
A 1960s Sherman Oaks ranch with original single-pane aluminum windows and rising summer bills.
What we do: We replace the units with certified double pane Low-E glass and seal every rough opening. The aluminum frames that conducted heat are gone, replaced with frames that resist thermal transfer.
→ Cooler west-facing rooms, shorter AC cycles, and a house that holds temperature through the afternoon.
02
A Santa Monica home near a busy street with constant traffic noise in the bedrooms.
What we do: We install certified units with double pane glass and a sealed frame to cut sound transmission. The same assembly that blocks heat gain dampens noise.
→ Quieter bedrooms and better sleep, with the certified thermal performance as a bonus.
03
A Pasadena craftsman with foggy double pane glass and fading hardwood floors.
What we do: We replace the failed units with certified Low-E glass that filters UV, and repair minor frame issues found during the measure.
→ Clear glass, slower UV fading on the floors, and a Title 24 compliant install with paperwork handled.
04
A Woodland Hills home with a west-facing wall that overheats every July and August.
What we do: We match the glass package to the exposure, using Low-E with a low Solar Heat Gain Coefficient and argon gas, and seal the frame perimeter.
→ The wall stops baking by mid-afternoon and the room becomes usable through the hottest months.
How Certified Window Replacement Runs in Los Angeles
Los Angeles is not one climate. The San Fernando Valley runs 10 to 15 degrees hotter than Santa Monica in summer, and the marine layer on the coast changes which glass package makes sense. We spec units by exposure and neighborhood, not by a single default. Older housing stock matters too: 1950s and 1960s builds in Van Nuys and Reseda often have single-pane aluminum windows and framing that needs repair before a certified unit can go in. California Title 24 compliance is required on replacement, and we handle the paperwork. If you have been looking for affordable ENERGY STAR certified window replacement in Los Angeles, California, the honest answer is that the glass package and the sealing detail drive both the price and the result. We measure, quote a fixed price, and install with flashing tape and foam so the certified rating holds at the frame.
Neighborhoods We Serve
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Sherman Oaks
Many 1960s ranch homes still have original single-pane aluminum windows. Certified replacement here usually means frame repair plus a Low-E package for west-facing rooms.
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Santa Monica
Coastal marine layer and street noise make double pane glass with a sealed frame the priority. Sound reduction matters as much as heat gain for homes near busy streets.
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Pasadena
Craftsman and older homes often need rot repair around the opening before a certified unit goes in. We check framing during the measure and price any repair upfront.
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Woodland Hills
Inland heat pushes west-facing walls hard in July and August. We spec a lower Solar Heat Gain Coefficient and argon gas for those exposures.
Local Conditions We Plan For
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Valley heat 10 to 15 degrees above coastal temperatures
West- and south-facing glass takes heavier solar load, so we spec a lower Solar Heat Gain Coefficient and argon gas for those rooms.
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Older single-pane aluminum housing stock
Frames conduct heat and often need repair before replacement. We inspect during the measure and price any rot repair upfront.
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California Title 24 replacement requirements
Every install must meet the code for the climate zone. We handle the compliance paperwork so inspection passes without delays.
Sherman Oaks Ranch, 11 Windows
Problems Our ENERGY STAR Window Replacement Los Angeles CA Solves
Old windows fail in predictable ways in this climate. Here is what we see on estimates and how certified replacement fixes it.
Problem
Drafty windows that make rooms uncomfortable
Air leakage lets hot outside air in and cooled air out, so your AC runs longer and one room never matches the rest of the house.
Our Fix
We seal the rough opening with flashing tape and insulation foam and set certified units with weatherstripping that closes the gap. The draft stops at the frame, not just at the sash.
Problem
Foggy double pane glass
A failed seal lets moisture between the panes, which clouds the view and signals the insulating gas is gone. The window stops performing and looks bad from inside and out.
Our Fix
We replace the failed unit with certified double pane glass and argon gas, matched to the opening. The fog clears and the thermal performance returns to the rated level.
Problem
Heat gain and UV fading on west-facing walls
Afternoon sun drives up cooling costs and fades floors, furniture, and artwork. Single-pane aluminum windows make it worse because the frame conducts heat straight inside.
Our Fix
We spec Low-E glass with the right Solar Heat Gain Coefficient for the exposure and set it in a frame that resists heat transfer. The room stays cooler and UV damage slows.
Problem
Stuck windows and rotted frames
Windows that will not open are a safety issue and a sign the frame has absorbed moisture. Rotted wood spreads if it is not addressed during replacement.
Our Fix
We inspect the frame during the measure and repair rot before setting the new unit. Stuck sashes get replaced with units that operate smoothly and lock correctly.
What Certified Windows Do for Your Home
Certified units change how your house handles heat, noise, and UV. These are the outcomes Los Angeles homeowners notice first.
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Lower Cooling Load
Low-E glass with argon gas reflects solar heat before it enters, so your AC runs shorter cycles in July and August. Homeowners replacing single-pane aluminum often see a measurable drop in summer kilowatt use, and the rooms facing west stop baking by mid-afternoon.
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Stop Air Leakage
Weatherstripping, silicone sealant, and proper flashing tape close the gaps that let hot air in and cooled air out. A drafty window can leak enough air to make one room 5 to 8 degrees warmer than the rest of the house. Sealing the rough opening fixes that at the source.
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Block UV Fading
Low-E coatings filter the UV light that fades hardwood floors, artwork, and furniture upholstery. South- and west-facing rooms in Pasadena and Beverly Hills take the most sun, and certified glass slows that damage without making the room dark.
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Quieter Rooms
Double pane glass with an insulating airspace cuts traffic and neighborhood noise. Homes near Ventura Boulevard or busy Valley cross streets notice the difference first in bedrooms. The same assembly that blocks heat gain also dampens sound transmission through the glass.
Licensed, Certified, and Reviewed
Licensed & Certified
- ENERGY STAR Partner Products — issued by U.S. Environmental Protection Agency and U.S. Department of Energy
- NFRC Certification — issued by National Fenestration Rating Council
- AAMA Certification — issued by American Architectural Manufacturers Association
- WDMA Certification — issued by Window and Door Manufacturers Association
- California Title 24 Compliance — issued by California Energy Commission
Verified Reviews
Google ★★★★★4.9
Measured 12 windows, quoted a fixed price, and installed in two days. The west-facing rooms are finally comfortable in summer. They handled the Title 24 paperwork and walked me through the warranty.
Yelp ★★★★★4.8
Replaced foggy double pane glass in five windows. The crew sealed the frames properly with foam and flashing tape, not just caulk. Noise from the street dropped noticeably in the bedrooms.
BBB A
Straight answers from the first call. They found rot around two openings, showed me the damage, and priced the repair before proceeding. Install was clean and the trim work looks original.
Window Expertise Built Since 2011
American Reliable Windows & Doors has installed certified windows across Los Angeles County since 2011, which is 15 years of measuring, ordering, and installing in this climate. Our installers work with NFRC ratings daily and know which glass packages hold up to Valley heat versus coastal marine layer. We handle AAMA and WDMA certification requirements, Title 24 compliance paperwork, and the frame repairs that older Los Angeles homes often need before a new unit can go in. That experience is why we can quote a fixed price at the measure instead of guessing.
- 15 years installing certified units across Los Angeles County since 2011.
- NFRC rating literacy: U-factor, SHGC, and Visible Transmittance matched to exposure.
- Title 24 compliance handled for every replacement, including permit paperwork.
- Frame repair experience for rotted wood and stuck aluminum common in older builds.
- Brand-trained on Andersen, Pella, Marvin, Milgard, Simonton, and Jeld-Wen product lines.
What Los Angeles Homeowners Say
Real experiences from customers who chose our ENERGY STAR Window Replacement services.
“Our west-facing living room was unbearable by 3 p.m. every summer. The crew replaced 11 single-pane aluminum windows with certified Low-E double pane units and sealed every opening with flashing tape and foam. The room now stays comfortable through the afternoon and the AC cycles are noticeably shorter. They quoted a fixed price at the measure and it did not move.”
M
Marisol R.
Homeowner, Sherman Oaks
“We had foggy double pane glass in three windows and constant street noise in the bedrooms. The team swapped them for certified units with argon gas and the difference in sound is real. Install took a day and a half for 9 windows. They walked me through operation and left the warranty paperwork on the counter.”
D
Derek T.
Homeowner, Santa Monica
“I wanted Title 24 compliance handled without me chasing paperwork. They matched the glass package to each exposure, pulled the permit, and installed 14 windows in two days. The west side of the house no longer bakes, and the hardwood floors are not fading the way they were. Straight answers from the first call.”
P
Priya N.
Homeowner, Pasadena
Frequently Asked Questions
Real answers to the questions we hear most often from local homeowners and property managers.
How much does ENERGY STAR window replacement cost in Los Angeles?
Typical 2026 pricing in Los Angeles runs $650 to $1,400 per window installed, depending on size, frame material, and glass package. A whole-house job of 10 to 15 windows usually lands between $8,000 and $18,000. Triple pane glass, wood frames, and custom sizes push the number up; standard vinyl double pane units keep it down. We quote a fixed price at the in-home measure.
Who is the best ENERGY STAR window replacement company in Los Angeles CA?
The right company is the one that measures accurately, installs to Title 24, and stands behind the work. We have installed certified windows across Los Angeles County since 2011 and quote a fixed price at the measure. Ask any contractor for their NFRC product ratings, their workmanship warranty, and a written scope before you sign.
Are ENERGY STAR certified windows worth it in Los Angeles California?
Yes, especially on west- and south-facing walls where heat gain drives cooling costs. Certified Low-E glass with argon gas cuts solar heat and UV fading, and proper sealing stops air leakage around the frame. Most homeowners notice cooler rooms and shorter AC cycles the first summer. The payback comes in comfort first, utility savings second.
How long does ENERGY STAR window replacement take in Los Angeles?
Most homes take one to two days on site for 8 to 12 windows. The order itself takes 3 to 6 weeks because certified units are built to your measurements. We confirm the delivery date and call the day before install with the crew arrival window, so you can plan around it.
Related Services
Energy Efficient Window Installation
New-construction and remodel installs where the opening is built for the unit. We match U-factor and SHGC to each exposure so the certified performance holds from day one.
View Energy Efficient Window InstallationEnergy Efficient Window Replacement
The broader replacement service that includes certified units and standard high-performance glass. If your goal is lower heat gain and less air leakage, this is the umbrella we work under.
View Energy Efficient Window ReplacementDouble Pane Window Replacement
Two panes with an insulating airspace, often filled with argon gas. This is the most common certified configuration we install in Los Angeles homes and the best value for most budgets.
View Double Pane Window ReplacementTriple Pane Window Replacement
Three panes with two airspaces for maximum insulation and noise reduction. Best for homes near busy streets or west-facing walls that take heavy afternoon sun.
View Triple Pane Window ReplacementLow-E Window Replacement
Low-E coatings reflect heat and filter UV without darkening the room. This is the glass technology behind most certified units we install in Pasadena and Beverly Hills.
View Low-E Window ReplacementInsulated Window Replacement
Frames and glass built to slow heat transfer, including warm edge spacers and insulated frames. Pairs with certified glass to close the thermal gaps around the opening.
View Insulated 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