Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Energy-Efficient Windows Across Lake Worth Beach
Energy-efficient window replacement in Lake Worth Beach typically costs $800-$1,500 per window installed, with whole-home packages running $8,000-$25,000 depending on opening count, frame material, and whether you’re in the historic district requiring Preservation Board review. Ed Winslow and our crew at Winslow Windows & Doors have been replacing failed jalousies, corroded aluminum frames, and single-pane glass across the Lake Worth Beach grid for over a decade and change. We know exactly what a salt-sprayed 1960s apartment window looks like, what the Historic Preservation Board will ask for on a contributing cottage, and what a Palm Beach County wind-borne debris inspection will flag before it becomes your problem.

Call (561) 468-6136 for a free in-home measure and a written, line-item quote. No trip charge inside our home county, and we answer the phone 24/7.
Key Takeaways: Energy-Efficient Windows in Lake Worth Beach
- A typical energy-efficient window replacement in Lake Worth Beach runs $800-$1,500 per opening installed; impact-rated units on the second story or in custom openings push higher.
- If your home sits in the downtown historic district, you’ll likely need a Certificate of Appropriateness before any window swap. That’s a layer most neighboring cities don’t have.
- Salt air from the Lake Worth Lagoon corrodes aluminum frames and hardware faster here than inland. Window selection matters more in this city than in West Palm Beach or Boynton Beach.
- Florida’s wind-borne debris region code means your replacement windows must be impact-rated or storm-panel protected. A plain insulated unit will fail inspection.
- Ed’s name is on the door, and every job carries the Done Right Promise: if it’s not done right, we make it right.
Why Winslow Windows & Doors Is Lake Worth Beach’s Preferred Energy-Efficient Windows Company
We’re not a national chain with a call center in another state. Winslow Windows & Doors has been locally owned and owner-operated since 2011, with a published address, a state license number, and the same owner’s name on every project: Ed Winslow. When you call our office, a live person picks up. At 2 a.m. on a Sunday, during a storm watch, or while you’re sitting at your kitchen table looking at a corroded window frame, you won’t get a voicemail loop.
Our crews have worked the neighborhoods along Federal Highway, around Mango Grove, and through the cottages west of Dixie Highway. We know that a 1930s Mediterranean Revival house in Lake Worth Beach carries a completely different set of window challenges than a 2000s CBS home in Boynton Beach. We price accordingly, and we don’t pretend otherwise. Every technician who arrives at your door is background-checked and in uniform, so you know who you’re letting in before the truck pulls up.
We install eight authorized brands, including PGT, CGI, and CWS. Every window we set in Lake Worth Beach is backed by the Done Right Promise. That promise isn’t a warranty brochure line. It means if something isn’t right, Ed makes it right. That’s the standard.
You’ll also find standing offers that never expire: $40 off any repair over $200, a free second opinion on any written estimate you’ve received from another contractor, no trip charge inside our home county, and a permanent 10% discount for seniors and veterans.
Our Energy-Efficient Windows Services in Lake Worth Beach
We focus on the full Energy-Efficient Windows replacement process, from removing your failed units to haul-off and final inspection. Here’s what that looks like specifically for Lake Worth Beach homes.
Low-E & Argon Gas Glass
Low-E coatings paired with argon gas fill are the workhorse of energy-efficient window replacement in Lake Worth Beach, where the sun punishes west-facing openings from April through October. A low-E coated insulating glass unit reflects a meaningful share of solar heat while still letting visible light through. In a city where the average afternoon interior temperature in an old jalousie cottage can climb into the mid-80s by 3 p.m., the difference is immediate. We spec low-E glass selectively, by exposure, so you don’t pay for a coating on a shaded north wall that won’t earn its keep.

ENERGY STAR Replacement Windows
ENERGY STAR certification for Florida’s climate zone means the window meets federal standards for solar heat gain and U-factor performance in a hot, humid coastal environment. Lake Worth Beach’s positioning on the western shore of the Lake Worth Lagoon means humidity and salt are as much a threat as heat. We install ENERGY STAR-rated replacement windows from PGT, CGI, and CWS, in frame materials that stand up to the corrosion profile of this city better than standard builder-grade aluminum.

Insulated Laminated Glass
Insulated laminated glass gives you two things in one unit: an air or gas space that fights heat transfer, and a laminate layer that holds the glass together under impact. For Lake Worth Beach homeowners in the wind-borne debris zone, this is often the most practical way to get both energy performance and code-required storm protection without hanging panels every time a hurricane watch is posted. We match design pressures to the specific opening, so a second-floor east-facing window is engineered differently than a ground-floor western exposure.

UV-Blocking & Fade Protection
Sunlight in Lake Worth Beach doesn’t just heat your house, it fades your floors, furniture, and art. UV-blocking glazing reduces the invisible spectrum that does the most damage. In older Lake Worth Beach bungalows with original wood floors or period millwork, replacing jalousies with UV-blocking low-E glass is often the single best preservation move a homeowner can make short of moving the house off the coast. We’ve seen the difference in Mango Grove sitting rooms where a family’s rugs had gone pale in the same sunpath that was cooking the west wall every afternoon.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
What Energy-Efficient Windows Costs in Lake Worth Beach
A standard energy-efficient single-hung replacement window in Lake Worth Beach generally runs $900-$1,800 installed. Large or custom openings, picture windows, or bays land in the $2,500-$5,000 range. Whole-home packages for a typical 1920s-1950s Lake Worth Beach cottage with eight to fourteen openings typically run $12,000-$25,000, depending on frame material, impact rating, and whether the Historic Preservation Board requires simulated divided lites.
What moves the number in Lake Worth Beach specifically? The age of your rough openings. We regularly open walls on this city’s pre-1960 homes and find rotted jambs, undersized headers, or framing that was never square to begin with. That repair work is real and it costs real money, and any honest Lake Worth Beach window quote reflects it. We write allowances into our contracts for framing repair, so you know the number before we start, not after the walls are open.
Call (561) 468-6136 to schedule a free in-home measure and written quote. No vague ranges, no phone-a-friend markup later. Ed signs off on every estimate.
What You’ll Actually Find When You Open Up an Older Lake Worth Beach Home
Here’s what most window replacement companies in Lake Worth Beach won’t tell you until they’re already on the clock, and why our quotes sometimes look different from the guy who threw a number at you over the phone.
Older Lake Worth Beach homes, and we’re talking the 1920s-1950s Mediterranean Revival cottages and CBS bungalows that fill the grid between Dixie Highway and the Lagoon, hide things. When a crew removes an original jalousie window, the jamb is often rotted from decades of salt-spray moisture. The rough opening may not be square. The header above the window may not meet current wind-load standards. And once walls are open, Palm Beach County code can trigger upgrades the original 1950 builder never had to make.
Outdated wiring near the opening is common. Undersized or damaged framing, failed waterproofing, cracked sill pans. These aren’t line items on a big-box retail install quote, because a big-box install crew isn’t going to spend time rebuilding a rough opening. They’ll pop in a replacement unit, caulk around it, and be gone before you notice the gap. That window will leak air, lose its SHGC performance, and fail the energy audit you paid for.

Our approach is different. Before we price, we inspect. We look at the jamb condition, the header, the flashing, the wall penetration. Then we write allowances into the contract for what we can see, and what we can’t. If we open a wall and find a problem we couldn’t have caught from the outside, we stop, show you what we found, and give you a written price to fix it before we touch another inch. You approve it or you don’t. No surprise change orders, no invoice that arrives $4,000 heavier than the estimate.
The Historic District Reality That Most Window Quotes Ignore
Lake Worth Beach’s downtown historic district is unusual in Palm Beach County, and it changes how energy-efficient window replacement actually works here. If your home is a contributing structure, the city’s Historic Preservation Board requires a Certificate of Appropriateness before you can swap any window. That review can mandate matching original profile widths and simulated divided lites, meaning the replacement unit has to look like the original, even if it uses modern low-E insulated glass and impact-rated lamination.
This adds time and cost that a quote from a contractor working in Greenacres or unincorporated Palm Beach County will never include, because those jurisdictions don’t have this layer. A window company that doesn’t know the Lake Worth Beach Preservation Board process will quote you a number, order standard units, and hit a stop-work order before the first inspection. Then you’re paying to retrofit muntins onto windows that already cost thousands.
We’ve handled this specific dance before. On a 1930s Mediterranean Revival cottage just off Dixie Highway in the Mango Grove neighborhood, we replaced original jalousie windows with PGT impact-rated insulated glass units. The existing wood jambs were rotted from decades of salt-spray corrosion, so our crew rebuilt the rough openings and installed new double-hung sashes with low-E glass and argon gas before the Historic Preservation Board’s Certificate of Appropriateness review cleared the exact muntin profile. The windows met the wind-borne debris code, the Preservation Board approved the profile, and the homeowner got a documented energy upgrade without a single stop-work order. That’s the difference between knowing this city and just working in it.
Florida Pays You Back: What Lake Worth Beach Homeowners Should Know
There are real financial incentives for installing energy-efficient, impact-rated windows in Lake Worth Beach, but they work best when you stack them deliberately. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, including impact windows. Florida also provides a sales-tax exemption on impact-resistant windows and doors, which trims several hundred dollars off a whole-home project immediately. The federal 25C energy credit allows a 30% credit on qualifying product cost, up to $600 per year on eligible units. And after a wind-mitigation inspection ($75-$150), many Lake Worth Beach homeowners see windstorm-premium reductions that average around 25% on the windstorm portion of their policy.
None of these are guarantees. Program funds run out, and insurance carriers set their own final numbers. But the stack is real, and it’s been available every year we’ve been installing in this city. We’ll help you understand which programs apply to your specific opening count and frame selection, and we’ll give you the documentation your insurer needs. We won’t tell you a specific monthly payment figure, because our job is the work, not the financing.
Trusted Brands We Service in Lake Worth Beach
Winslow Windows & Doors is an authorized installer for eight premium brands, and in Lake Worth Beach we lean on PGT, CGI, and CWS for most replacements. Those three have the Miami-Dade NOA and Florida Product Approval documentation our wind zone requires, and their laminated glass units have the large-missile ratings that pass Palm Beach County inspection on the first attempt. We keep a working stock of replacement parts for Lake Worth Beach jobs, which cuts turnaround when a sash or a balance needs replacing after a storm or a salt-corrosion failure.
Common Energy-Efficient Windows Problems We See in Lake Worth Beach Homes
- Jalousie windows that never should have survived this climate. The 1920s-1950s cottages around Lake Worth Beach’s original grid still carry louvered glass jalousies with zero hurricane resistance and no real seal. Replacing them with standard insulated units fails wind-borne debris code because they lack a large-missile rating. We see this every month.
- Aluminum single-pane frames from the 1960s-70s apartment stock along Federal Highway. Salt-spray corrosion from the Lagoon eats the extrusions until the frame can’t hold a square insulated glass unit. Air leakage follows, then lost SHGC performance, then the energy audit shows the same problem the window had on day one.
- Historic district renovations without a Certificate of Appropriateness. Homeowners swap in modern energy-efficient windows, the Preservation Board clocks the non-matching profiles, and the stop-work order lands. Now you’re paying to retrofit simulated divided lites to satisfy the board’s profile-width requirements.
- Failed waterproofing and rotted jambs behind old windows. Salt air accelerates decay in wood frames and sills like nothing inland. When we pull an old unit in Lake Worth Beach, we expect to find damage, and we bid accordingly. Too many contractors discover it mid-job and hand you a change order.
Impact Windows vs. Hurricane Shutters: What Lake Worth Beach Buyers Should Know
Some Lake Worth Beach homeowners ask if they can just keep their old energy-wasting frames and slap hurricane shutters over them instead of paying for impact-rated replacement windows. You can, technically. Shutters satisfy the wind-borne debris code, and they cost less upfront. But you still have the original jalousies or corroded aluminum behind them, still leaking conditioned air, still turning your west wall into a solar oven every afternoon. You also have to hang panels every time a storm threatens, and in a two-story 1960s apartment building along Federal Highway, that’s a serious chore.
Impact-rated energy-efficient windows solve both problems at once. Permanent protection, no panels to hang, and actual energy performance. The payback math in Lake Worth Beach tends to favor the window switch when you stack the sales-tax exemption, the federal 25C credit, and the windstorm-premium reduction. For most homeowners we walk through the comparison, the shutters-on-old-jalousies route looks cheaper for about the first two years, and then the energy bills catch up with it.
We Also Serve Cities Near Lake Worth Beach
Our Energy-Efficient Windows in Lake Worth Beach service area includes the neighborhoods directly around us in Westgate, West Palm Beach, South Palm Beach, and Boynton Beach. The same crew, the same Done Right Promise, and the same live-answer phone at (561) 468-6136. If you’re down the coast or just west of the Lagoon, give us a call.
Serving Lake Worth Beach, FL - Our Local Coverage Area
We’re based in the Lake Worth Beach area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Energy-Efficient Windows in Lake Worth Beach
Yes. If your home is a contributing structure in Lake Worth Beach’s downtown historic district, you need both a building permit and a Certificate of Appropriateness from the city’s Historic Preservation Board before the window swap. The Preservation Board can require matching original profile widths and simulated divided lites, and that review adds weeks to the timeline. A contractor who doesn’t flag this upfront is setting your project up for a stop-work order. Call (561) 468-6136 and we’ll confirm your property’s status before we price anything.
Yes, when they’re selected for the specific opening. Lake Worth Beach sits in Palm Beach County’s wind-borne debris region, and our replacement units carry Miami-Dade NOA and Florida Product Approval ratings matched to the design pressure of each opening. The salt-spray issue matters for frame selection. Untreated aluminum corrodes fast on this side of the Lagoon, so we favor PGT, CGI, and CWS frames engineered for coastal exposure, and we inspect sill pans and seals for early corrosion before recommending replacement.
A whole-home switch from jalousies or single-pane aluminum to low-E argon-filled insulated glass typically cuts the cooling portion of a Lake Worth Beach utility bill by 15-25%, and more when the home has significant west-facing window area. On a 1,200 square foot 1940s bungalow, that often translates to $50-$80 per month during the May-to-October cooling season. The real number depends on your sun exposure, ceiling insulation, and how much air the old windows were leaking. Call (561) 468-6136 for an energy audit and a written quote specific to your house.
Most carriers in Palm Beach County will reduce your windstorm premium after a wind-mitigation inspection verifies impact-rated glazing on every opening. The premium reduction on the windstorm portion averages around 25%, though the final number is the carrier’s call. Energy windows alone won’t move an insurance quote; it’s the impact rating that earns the discount. We’ll provide the documentation your inspector and insurer need.
Because Lake Worth Beach’s historic district adds a regulatory step that doesn’t exist in Greenacres, Boynton Beach, or most of unincorporated Palm Beach County. A contributing structure in the downtown district requires Historic Preservation Board review, a Certificate of Appropriateness, and possibly simulated divided lites to match the original profile. That review takes time, and any quote that ignores it is not a quote, it’s a guess. We build the Preservation Board lead time into our schedule so you get a real completion date, not a surprise at inspection.
Ready to Get a Real Number for Your Lake Worth Beach Windows?
Ed’s name is on the door, and on every energy-efficient window we install in Lake Worth Beach. We’ll measure every opening, inspect the jambs, check your property’s historic district status, and hand you a written line-item quote. No vague ranges, no surprise change orders, no call-center runaround. A neighbor you can call at 2 a.m. and someone will actually answer.
Call (561) 468-6136 to schedule your free estimate. Senior and veteran discounts apply, permanently. The Done Right Promise covers every window. The one down the road.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Lake Worth Beach and the surrounding Palm Beach County communities since 2011.
Six Reasons Homeowners Choose Winslow Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.










Before
After
Before
After
Before
After