The Best Window Bars for Home Security in 2026: A Complete Comparison Guide for US Homeowners and Renters
Discover the best window bars for US homes in 2026. Compare top models, prices & fire codes. Shop SWB telescopic bars from $90. Free shipping via Amazon.
SWB combines high-quality steel strength with aesthetic designs that enhance your property value, offering the security your family deserves. If you are searching for the best window bars available in the United States today, you already understand that not every bar on the market is created equal — and choosing the wrong product could cost you far more than a purchase price. According to the FBI Uniform Crime Report, approximately 6.7 million burglaries occur in the USA each year, and roughly 60% of forced entries happen through ground-floor windows and doors. Yet millions of American homeowners and renters are still relying on nothing more than a standard window latch to protect their families at night. The best window bars do more than deter criminals — they provide certified fire egress, they fit multiple window sizes, they install without a contractor, and they look sharp doing it. This guide breaks down every critical factor — materials, egress compliance, installation method, pricing, and real-world performance — so you can make an informed decision and choose the right bars for your specific situation.
When a burglary occurs through an unprotected window, the financial damage extends well beyond stolen property. The FBI estimates the average dollar loss per bu…
Why Choosing the Best Window Bars Matters More Than Ever in 2026
The window security market has expanded dramatically over the past several years, driven by rising residential burglary rates in major US cities and a growing base of apartment renters who need protection without permanent installation damage. According to the US Census Bureau (2023), there are now 44.1 million apartment renters in the United States — a population that overwhelmingly cannot install welded or permanently drilled security bars without risking lease violations or losing security deposits. At the same time, homeowners in cities like Memphis, Detroit, Philadelphia, and Houston face burglary rates that exceed the national average by a significant margin, making physical window barriers one of the most cost-effective crime deterrents available. The average professional window bar installation in the USA runs between $600 and $1,800 per window, depending on labor market and material costs. Compare that to a high-quality telescopic bar available for under $100, and the value proposition becomes immediately clear. But price alone should never drive your decision. The best window bars must also meet fire safety codes, fit your window dimensions accurately, resist forced entry, and ideally allow you to remove or relocate them when needed. Understanding these criteria is the foundation of every smart buying decision.
The Real Cost of Poor Window Security
When a burglary occurs through an unprotected window, the financial damage extends well beyond stolen property. The FBI estimates the average dollar loss per burglary at approximately $2,661. That figure does not account for emotional trauma, increased insurance premiums, or the cost of replacing damaged window frames and damaged locks. In cities like Chicago — where certain neighborhoods on the South and West Sides report residential burglary rates three to four times the national average — the risk is not theoretical. It is a daily reality for thousands of families. The best window bars serve as a primary physical deterrent: they signal to opportunistic criminals that a forced entry will take significant time and effort, making the property a low-value target. Studies in criminology consistently show that most residential burglars avoid properties that present visible physical barriers, preferring targets that allow entry within 60 seconds or less. A steel window bar eliminates that possibility entirely.
Who Needs Window Bars the Most?
The need for window bars is not uniform across all property types. Ground-floor apartment renters in high-density urban areas — particularly in New York City, Los Angeles, Chicago, and Atlanta — face the highest statistical risk of window-based break-ins. Homeowners with basement windows or older single-pane windows are also at elevated risk, since these entry points are structurally weak and often hidden from street view. Parents with young children need window bars that double as fall prevention guards — a critical safety concern especially in multi-story buildings where NYC Local Law 57 mandates window guards in buildings housing children under age 10. Landlords and property managers overseeing multi-unit buildings need bars that can be installed and removed between tenants efficiently. AirBnB hosts need solutions that satisfy guests’ safety expectations without permanent structural modification. And real estate investors need cost-effective protection that scales across multiple properties. The best window bars address all of these scenarios with a single, well-engineered product line.
Key Criteria for Evaluating the Best Window Bars Available in the USA
Not all window bars perform equally under real-world conditions. Marketing claims are easy to make — but the criteria that separate the best window bars from mediocre alternatives are objective, measurable, and directly tied to your family’s safety. Before comparing specific products, every buyer should understand the five core evaluation pillars: material strength, adjustability and fit, installation method, fire egress compliance, and finish quality. Each of these factors directly affects the bar’s ability to protect your home without creating new hazards. A bar that stops a burglar but traps your family during a house fire is not a security solution — it is a liability. The ideal product scores high on all five dimensions simultaneously, which is exactly what separates entry-level options from professionally designed security systems.
Material Strength: Why Steel Gauge Determines Real-World Performance
The single most important structural variable in window bar quality is the gauge and grade of steel used in construction. Heavy-gauge steel — typically 16-gauge or thicker — resists cutting, bending, and prying forces that a determined intruder might apply. Thinner-gauge bars, often found in budget hardware store options, can be defeated with bolt cutters or a pry bar in under two minutes. The best window bars use cold-rolled or powder-coated steel that maintains structural integrity under lateral stress.
Powder Coating vs. Raw Steel Finish
Powder-coated steel offers two advantages over raw or painted alternatives: superior corrosion resistance and a cleaner visual appearance. In humid climates — such as coastal cities in Florida, Texas, and the Gulf South — rust degradation on raw steel window bars can compromise structural integrity within two to three years. A quality powder-coat finish, properly applied at high temperature, seals the steel surface against moisture and UV damage, extending the product lifespan significantly. The matte black finish used by Security Window Bars on all three models is not just an aesthetic choice — it is a functional durability decision.Adjustability and Window Fit: One Size Does Not Fit All
American residential windows do not come in a single standard size. Common widths range from 22 inches to 48 inches or wider, and heights vary dramatically between building eras and construction types. A fixed-width security bar that does not match your exact window opening will either fail to create a secure seal — leaving gap vulnerabilities — or require expensive custom fabrication. Telescopic window bars solve this problem by extending and contracting to fit a defined range of window widths, typically secured by an internal spring tension or locking bolt mechanism.
Understanding the 22″ to 36″ Standard Fit Range
The most common US residential window widths fall between 22 and 36 inches, which is precisely the range covered by telescopic bar systems like SWB Model A. This range encompasses the vast majority of standard single-hung, double-hung, and horizontal sliding windows found in apartment buildings, ranches, colonials, and mid-century homes across the country. Buyers with wider openings — such as picture windows or commercial storefront windows — should evaluate wall-mount fixed-bar systems like SWB Model B, which accommodates larger spans through anchor-bolt installation.Installation Method: Drill or No-Drill?
Installation method is the deciding factor for the approximately 44.1 million renters in the USA who cannot make permanent structural modifications to their dwelling. The best window bars for renters must install without drilling into window frames or surrounding walls — and they must be removable cleanly when a tenant moves out. Tension-based telescopic bars achieve this through lateral spring pressure against the interior window frame, requiring no fasteners whatsoever in many standard window configurations. For homeowners or commercial property owners who prefer maximum permanence, wall-mount bars with anchor bolts provide the highest resistance to forced entry. The key distinction is context: both installation types can represent the best window bars for their respective use cases. What matters is matching the installation method to the property situation, lease conditions, and desired permanence level.
Fire Egress Compliance: The Non-Negotiable Safety Standard for the Best Window Bars
Of all the criteria used to evaluate window bars, fire egress compliance is the one that carries life-or-death consequences. According to the National Fire Protection Association (NFPA), residential fires kill more than 2,500 Americans every year, and window bars that cannot be quickly released from the inside have been directly implicated in preventable fire fatalities. The International Building Code (IBC) and NFPA 101 Life Safety Code both require that window bars installed in sleeping areas include a quick-release mechanism operable from the inside without special tools or keys. The IRC (International Residential Code) further specifies that emergency escape and rescue openings must maintain a minimum net clear opening of 5.7 square feet, with a minimum height of 24 inches and a minimum width of 20 inches. Any window bar that blocks or delays egress below these thresholds is not only dangerous — it is a code violation that can expose landlords and property owners to significant legal liability.
How Quick-Release Mechanisms Work
Quick-release window bar mechanisms are engineered to allow a single occupant to disengage the bar from the inside in a single motion — typically a pull, push, or twist — without tools and without requiring fine motor skills that might be compromised during a smoke or panic situation. The SWB Model A/EXIT features a patented quick-release mechanism that meets all requirements under IBC, NFPA 101, and OSHA standards simultaneously. This is a critical distinction: many lower-cost bars claim egress compatibility but lack the certified patent that confirms the mechanism has been independently validated. When shopping for egress-compliant bars, always verify compliance with NFPA 101 Section 7.2.2 and IRC R310, which govern emergency escape and rescue opening requirements for sleeping rooms.
Bedroom Window Bars: Why Egress-Compliant Models Are Mandatory
Under both the International Residential Code and local fire ordinances adopted across the country, window bars installed in any sleeping area — master bedrooms, children’s bedrooms, basement bedrooms — must be egress-compliant. This requirement applies regardless of whether the property is owner-occupied or rented. In many states, including California, Illinois, New York, and Texas, local fire marshals actively enforce these requirements during rental property inspections. A non-egress window bar in a bedroom not only creates a fire safety hazard — it also constitutes a building code violation that can result in fines, forced removal orders, and civil liability if an occupant is injured. For parents installing window bars in a child’s bedroom — whether for burglar protection or fall prevention — the SWB Model A/EXIT is the only category of bar that satisfies all applicable codes at once, providing both physical security and certified emergency egress in a single system.
Top Window Bar Models Compared: SWB Product Line Analysis
Security Window Bars offers three distinct models engineered for different property types, installation preferences, and compliance requirements. Understanding the specific advantages and appropriate use cases for each model is essential to selecting the best window bars for your situation. All three models are constructed from heavy-gauge steel with a matte black powder-coat finish, share the same professional aesthetic, and are available for fast delivery across all 50 states through Amazon FBA fulfillment. Each model is priced under $100, making SWB’s complete product line dramatically more affordable than professional welded bar installation, which typically costs between $600 and $1,800 per window opening when contractor labor is factored in.
Model A — Telescopic Window Bars ($90): Best for Renters and Apartments
The SWB Model A is the flagship telescopic bar engineered specifically for the 44.1 million American apartment renters who need professional-grade security without lease-violating permanent installation. The bar extends to fit window widths between 22 and 36 inches — covering the vast majority of standard US residential window sizes — and installs in as little as 15 to 20 minutes without any drilling. The spring-tension mechanism presses laterally against the interior window frame, creating a secure fit that resists forced entry while leaving zero permanent marks on the window frame or surrounding wall. When moving out, the bar disassembles and removes completely, leaving no evidence of installation. For renters in cities like Los Angeles, Chicago, New York, and Houston — where ground-floor apartment break-ins are statistically most common — Model A represents the best window bars available at any price point for a no-drill security solution. Learn more at the Window Bars — Model A product page.
Model B — Wall-Mount Window Bars ($91): Best for Homeowners and Commercial Properties
The SWB Model B is a fixed wall-mount security bar designed for property owners who want maximum permanence and the highest possible resistance to forced entry. Unlike telescopic bars that rely on tension, Model B anchors directly into the surrounding wall structure through heavy-duty bolts, creating a rigid steel barrier that cannot be dislodged by lateral or vertical force. This makes Model B the preferred choice for ground-floor windows in commercial retail properties, garages, storage units, and homeowner applications where lease restrictions are not a factor. The powder-coated black finish matches modern architectural aesthetics without the institutional appearance of older welded cage-style bars. For homeowners in neighborhoods with elevated burglary rates — such as parts of Detroit, Memphis, and Philadelphia — Model B provides permanent protection that effectively eliminates the window as a viable forced-entry point. View specifications at the Window Bars — Model B product page.
Model A/EXIT — Egress Compliant Window Bars ($92): Best for Bedrooms and Code Compliance
The SWB Model A/EXIT combines the telescopic adjustability of Model A with a patented quick-release egress mechanism, making it the definitive choice for bedroom windows and any sleeping area subject to IBC, NFPA 101, IRC, or OSHA compliance requirements. The release mechanism operates from the interior with a single motion, allowing full window egress in seconds — critical in fire scenarios where occupants may have limited visibility or reduced cognitive function due to smoke inhalation. Model A/EXIT meets the IRC R310 minimum opening requirements of 20 inches wide by 24 inches tall, ensuring that the window remains a compliant emergency escape route even while the bar is in its secured position. This is the model required by fire code for any sleeping room window bar installation, and it is the only SWB product that satisfies all four applicable US standards simultaneously: IBC, NFPA 101, IRC, and OSHA. Full compliance details are available at the Window Bars — Model A/EXIT product page.
How to Install the Best Window Bars Correctly: DIY Without Common Mistakes
Even the best window bars perform below their rated capability when installed incorrectly. The most common installation errors — improper width setting, failure to verify the contact surface integrity, and incorrect placement height — can reduce a bar’s effective resistance to forced entry by 30% to 50%, according to physical security assessment literature. The good news is that proper installation of a telescopic window bar like SWB Model A requires no special tools, no professional contractor, and no technical background. The 15-to-20-minute process follows a straightforward sequence that any able-bodied adult can complete on a weekend afternoon. For homeowners installing Model B wall-mount bars, the anchor bolt installation requires a power drill and basic masonry or wood-screw hardware, but still falls well within the capability of a competent DIY installer. Detailed step-by-step instructions with diagrams are available at the Window Bar Installation Guide.
Pre-Installation Checklist: What to Measure and Verify Before You Buy
Before purchasing any window bar — including the best-rated models on the market — you must accurately measure your window’s interior width from frame edge to frame edge. This is the width the bar must span, not the glass dimension or the exterior opening dimension. For telescopic bars, confirm that your measured width falls within the bar’s rated adjustment range. For the SWB Model A and Model A/EXIT, the range is 22 to 36 inches. Additionally, inspect the window frame surface where the bar’s end caps will press. The surface must be structurally sound — not rotted, cracked, or hollow — to provide a stable contact point for the tension mechanism. For rental units with older wooden window frames, a brief inspection for rot or soft spots is critical before installation. Finally, verify your installation complies with local fire codes if installing in a bedroom — a step that protects your family and your legal standing as a property owner or tenant.
Step-by-Step Telescopic Bar Installation for Renters
The SWB Model A telescopic installation follows four primary steps. First, extend the bar to slightly longer than your measured window width, then compress it and position it horizontally at the desired height across the interior of the window frame — typically at mid-sash height for maximum resistance to vertical forced entry. Second, allow the spring-tension mechanism to press outward against both frame surfaces, confirming solid contact on each side. Third, verify the bar is level and cannot be dislodged by firm upward or sideward pressure applied by hand. Fourth, test the window’s operation to confirm the bar blocks the sash from being raised from the exterior. The entire process takes approximately 15 minutes for first-time installers and under five minutes for repeat installations. No tools are required, no holes are drilled, and no residue remains on the window frame.
Common Telescopic Installation Errors to Avoid
The most frequent mistake renters make is setting the bar too loosely — relying on visual fit rather than firm tension engagement. A properly tensioned telescopic bar should require deliberate lateral compression to remove, not simple sliding. If the bar can be nudged sideways by hand pressure, the tension is insufficient and the window remains vulnerable. Always re-check tension after the first 24 hours, as the bar may require slight readjustment after the frame contact surfaces settle.Where to Buy the Best Window Bars in the USA: Amazon vs. Direct Purchase
American consumers have two primary channels for purchasing SWB window bars: Amazon USA and the direct securitywb.com website. Both channels offer the complete three-model product line at identical pricing — starting at $90 for Model A — but each channel offers distinct advantages depending on your purchase priorities. Amazon FBA fulfillment provides the fastest delivery timeline across all 50 states, with Prime-eligible two-day delivery available to most US addresses. This makes Amazon the preferred channel for buyers in urgent security situations — such as renters in newly rented apartments who want bars installed before their first night in a new unit. The direct website at securitywb.com provides more detailed product specifications, installation documentation, and direct customer support access for commercial or multi-unit buyers. For most individual consumers in the USA, Amazon represents the fastest and most convenient purchase path, while the website serves buyers who need technical consultation or bulk orders.
Buying Window Bars on Amazon: What to Look for in Seller Credentials
When shopping for security products on Amazon, seller authenticity is a critical verification step. Counterfeit and substandard window bars from unauthorized third-party sellers are a documented problem on the platform, with some listings using SWB product imagery while delivering inferior steel products. To guarantee you receive authentic Security Window Bars products, purchase exclusively from the verified seller account SecurityWindowBars on Amazon, accessible through the official SWB Amazon store. Verified purchases through the official store account include manufacturer warranty coverage and customer support access. Reviews on the official listing can also serve as a product performance benchmark — but always filter reviews by verified purchase status to avoid manipulated review profiles that are common in the hardware category.
Price Comparison: SWB vs. Professional Installation vs. Big-Box Alternatives
The pricing landscape for window security bars in the USA breaks into three distinct tiers. At the top is professional contractor installation of welded or fixed bars, ranging from $600 to $1,800 per window depending on location and material. In the mid-range sit big-box hardware options and brand-name competitors like Mr. Goodbar, Grisham, and Unique Home Designs, which typically price between $80 and $200 but often require drilling or offer limited adjustability. At the value tier sits SWB’s full product line, priced from $90 to $92, with the added advantage of telescopic adjustability, egress compliance options, and Amazon Prime delivery — none of which are available at comparable price points from competing brands. For a homeowner needing to secure four windows, SWB’s total investment is under $400 versus a potential $4,000 to $7,200 for professional bar installation of comparable coverage.
Window Bars for Specific Home Scenarios: Matching the Best Model to Your Situation
The best window bars for a ground-floor apartment renter in Chicago are not necessarily the same as the best bars for a homeowner securing a basement in suburban Detroit or a landlord outfitting a multi-unit building in Los Angeles. Real-world window bar selection requires matching product characteristics to the specific physical environment, legal context, and security threat profile of each installation scenario. The following analysis covers the four most common US residential use cases and identifies the optimal SWB model for each, along with the specific features that make it the right choice. Understanding these distinctions helps buyers avoid the common mistake of purchasing based solely on price, and instead make a selection that provides maximum protection and long-term value.
Ground-Floor Apartment Renters in Urban Areas
For renters on the ground floor of apartment buildings in high-crime urban areas — including neighborhoods in the South Side of Chicago, East New York, South LA, and North Philadelphia — the threat profile is clear and immediate. Ground-floor windows are the primary forced-entry target, and renters face the dual constraint of needing serious security without making permanent modifications that would violate their lease. The SWB Model A is the definitive answer for this scenario: no drilling, 15-minute installation, and immediate removal when moving out. At $90, it costs less than the average deductible on most renter’s insurance policies, making it one of the highest-return security investments available to American renters today. For bedroom windows in the same apartments, upgrading to the Model A/EXIT at $92 ensures fire code compliance while maintaining the same no-drill, renter-friendly installation profile. For additional options and specifications, visit the Contact Security Window Bars page for personalized guidance.
Homeowners Securing Basement Windows
Basement windows represent the single most exploited forced-entry point in residential burglary, according to law enforcement incident reports across multiple US jurisdictions. Their below-grade position makes them invisible from the street, they are often left unlocked, and their small size creates a false sense that they are not viable entry points — a misconception that experienced burglars actively exploit. For homeowner basement window applications, the choice between Model A and Model B depends on frame type and permanence preference. Ground-level concrete or masonry surrounds are ideal for Model B anchor installation, providing maximum rigid resistance. Wooden-framed basement windows accommodate Model A tension installation effectively. In either case, the heavy-gauge steel construction of both SWB models ensures that the bars cannot be bent or cut through without significant noise and time — both of which are the primary deterrents for opportunistic residential burglars.
Landlords and Property Managers: Multi-Unit Compliance at Scale
Landlords managing multi-unit residential buildings face a unique set of demands: they need window bars that satisfy local building codes, can be efficiently installed and removed between tenant occupancies, and do not create liability exposure from non-egress-compliant bedroom bars. The SWB product line addresses all three requirements simultaneously. Model A provides renter-friendly no-drill installation that landlords can complete in under 30 minutes per window without specialized tools or contractors. Model A/EXIT satisfies the egress requirements mandated by IBC and local fire codes for all sleeping room window bars. And the consistent matte black aesthetic across all three models ensures a unified appearance across multiple units and buildings. For landlords in NYC subject to Local Law 57 window guard requirements for buildings housing children under age 10, SWB products provide a compliant and cost-effective solution at a fraction of professional installation costs.
🏆 Conclusion
Choosing the best window bars for your home, apartment, or commercial property is not a decision that should be made on price alone — though the cost advantage of quality telescopic bars over professional installation is undeniable. The factors that define a truly superior window bar are clear: heavy-gauge steel construction that resists forced entry, adjustable width that fits your specific window opening, an installation method compatible with your property situation, and certified fire egress compliance for every bedroom application. Security Window Bars delivers all four of these qualities across a three-model product line priced from $90 to $92 — a fraction of the $600 to $1,800 per-window cost of professional contractor installation. Whether you are a renter in a Chicago high-rise looking for a no-drill solution, a homeowner fortifying a basement in Detroit, or a landlord managing code compliance across a multi-unit building in Los Angeles, there is an SWB model engineered for your exact situation. With fast delivery across all 50 states via Amazon FBA and detailed installation support at securitywb.com, there has never been a simpler or more affordable path to professional-grade window security. Do not wait for a break-in to take action — your family’s safety deserves a real physical barrier tonight.
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Shop on Amazon →Frequently Asked Questions
The primary distinction between the best window bars for renters versus homeowners comes down to installation method and permanence. Renters need no-drill telescopic bars — like the SWB Model A — that install using spring tension against the interior window frame and leave no marks when removed. Homeowners who are not constrained by lease agreements can opt for wall-mount bars like SWB Model B, which anchor permanently into the wall structure for the highest possible resistance to forced entry. Both provide heavy-gauge steel protection, but the appropriate choice depends entirely on your property situation and lease conditions.
Yes — under the International Building Code (IBC), NFPA 101 Life Safety Code, and the International Residential Code (IRC Section R310), any window bar installed in a sleeping room must include a quick-release mechanism operable from the interior without tools or keys. This requirement applies to bedrooms, basement bedrooms, and any other sleeping area in a residential structure. Non-egress window bars installed in sleeping rooms constitute a code violation and create significant legal liability for property owners. The SWB Model A/EXIT is specifically engineered to meet all four applicable US compliance standards: IBC, NFPA 101, IRC, and OSHA.
Measure the interior width of your window frame from the left interior edge to the right interior edge — this is the span the bar must cover. Do not measure the glass panel or the exterior opening, as these dimensions are typically smaller than the interior frame width. For standard US residential windows, widths commonly fall between 22 and 36 inches, which is the adjustment range covered by the SWB Model A telescopic bar. If your window is wider than 36 inches, the SWB Model B wall-mount bar is designed for larger openings and provides permanent anchor-bolt installation.
Heavy-gauge steel window bars like those produced by Security Window Bars represent one of the most effective physical deterrents available for residential security. While no physical barrier is completely impenetrable given unlimited time and tools, the deterrence value of steel bars is well-documented in criminology research. Most residential burglars are opportunistic and avoid targets that require more than 60 seconds to breach. A properly installed steel bar makes silent, rapid window entry impossible — the noise and time required to defeat the bars eliminate most burglary attempts before they begin. This is why neighborhoods that adopt visible window bar programs consistently show measurable reductions in residential burglary rates.
Modern window bar design has advanced significantly beyond the cage-style bars associated with commercial properties and older residential buildings. SWB’s matte black powder-coated finish and clean linear design complement contemporary home aesthetics rather than clashing with them. Many homeowners and real estate professionals note that properly chosen window bars in high-crime neighborhoods can actually support property values by reducing insurance risk profiles and signaling to potential buyers that the property is actively secured. The telescopic SWB design in particular, when installed on interior window frames, is virtually invisible from the street exterior.
Yes. Security Window Bars fulfills all US orders through Amazon FBA (Fulfilled by Amazon), which provides Prime-eligible two-day delivery to the vast majority of US addresses across all 50 states. Amazon’s national logistics network ensures that buyers in rural areas, Alaska, Hawaii, and US territories receive their orders through Amazon’s standard delivery infrastructure. For buyers who prefer to purchase directly, securitywb.com also accepts orders with shipping to all 50 states. For bulk or commercial orders, the SWB team can be reached directly through the contact page at securitywb.com.
The three SWB models address three distinct security scenarios. Model A ($90) is a fully telescopic bar designed for renters and non-permanent installations — it requires no drilling and fits windows 22 to 36 inches wide. Model B ($91) is a fixed wall-mount bar designed for permanent installation in homeowner, commercial, or garage applications where maximum rigidity is the priority. Model A/EXIT ($92) combines Model A’s telescopic adjustability with a patented quick-release egress mechanism, making it the required choice for any bedroom or sleeping area window bar installation under US building and fire codes. All three models use heavy-gauge steel construction with a matte black powder-coat finish.
Professional window bar installation by a licensed contractor in the USA typically costs between $600 and $1,800 per window, depending on the local labor market, bar material, and installation complexity. Custom welded bars for large or irregularly shaped windows can exceed $2,000 per opening. By comparison, the SWB product line is priced between $90 and $92 per bar, with free Prime shipping through Amazon. A homeowner securing four windows would spend under $400 with SWB versus a potential $2,400 to $7,200 for professional installation — a savings of up to 95%. The DIY installation process takes 15 to 20 minutes per window and requires no special tools for telescopic models.