Shopping for a new mattress can feel hard. With so many mattress types today, it’s tough to know where to start. From memory foam mattresses to pocket sprung designs, the choices seem endless.
Learning about different mattress types helps you pick the right one. This knowledge saves money and helps you find the perfect mattress for your sleep needs.
Open coil mattresses are still one of the most popular mattress types today. You’ll find them in guest bedrooms, children’s beds, and rental homes everywhere. People who want to save money love them for their low price and traditional spring feel. In this article We will find what is an open coil mattress and everything about it.
What is an Open Coil Mattress? (Quick Answer)
An open coil mattress (also called a Bonnell spring mattress) uses connected metal springs shaped like hourglasses. These coil springs are joined together with spiral wire. This makes one big spring system that moves as one unit.
When you press down on any part of the mattress, the entire mattress surface moves together. This traditional mattress construction makes open coil mattresses the cheapest spring mattress option. Most cost between $100 to $600.
Open coil mattresses work great for guest rooms and children’s beds. The open structure gives excellent ventilation, keeping sleepers cool all night. But they move more than pocket coil mattresses when your partner moves.
These mattresses give decent support for their price. They may start sagging over time as the connected springs wear together. You can find them at most mattress stores and they’re often the basic choice for traditional sprung mattresses.
Perfect for: Single sleepers, guest bedrooms, people wanting to save money, and anyone who likes traditional mattress feeling over new options.
Understanding Open Coil Construction
Spring System Design
The heart of every open coil mattress is in its special spring system. Unlike pocket coil mattresses where each spring works alone, open coil springs connect to make one big support system.
Each coil has the classic hourglass shape, also known as Bonnell springs. These springs are wider at the top and bottom, getting narrower in the middle. This design gives stability while allowing some squishing when weight is put on it.
The magic happens with the spiral wire connections. Long wire runs through the top and bottom of each spring, linking them together. The springs are connected top and bottom by wire, making the “open” structure that gives these mattresses their name.
Materials and Components
Good open coil mattresses use high-tensile steel wire for strength. Wire thickness, measured in gauge, affects how firm the mattress is and how long it lasts. Lower gauge numbers mean thicker wire and firmer support.
Above the spring system, comfort layers give cushioning and surface feel. These comfort layer options might include foam, fiber padding, or even pillow-top materials. The comfort layers decide how soft or firm the sleeping surface feels.
Border wire goes around the mattress edge. This gives edge support and stops spring movement. This wire frame keeps the whole mattress structure stable and makes it last longer.
Manufacturing Process
Open coil mattresses benefit from simple mass production ways. The connected spring design lets many mattress manufacturers make consistent, reliable products at lower costs than more complex mattress types.
Quality control focuses on spring tension being the same and proper wire connections. Many mattress manufacturers test spring strength and comfort layer bonding. This makes sure the mattress keeps its shape and support over time.
Benefits of Open Coil Mattresses
Lower in Price
Open coil mattresses win as the cheapest spring mattress option. You can find decent quality models starting around $100. Premium versions reach $600 – still far less than similar pocket sprung mattresses.
This makes them perfect for temporary housing, student dorms, or setting up multiple bedrooms without spending too much. Parents often pick open coil mattresses for growing children who may outgrow their beds before wearing out the mattress.
Lightweight Design
Unlike thick memory foam mattresses or heavy pocket sprung designs, open coil mattresses stay surprisingly light. This makes them easier to move during delivery, turning, or moving.
The light construction also means less stress on bed frames and foundations. Most standard metal or wooden bed frames can easily support open coil mattresses without extra help.
Traditional Support
Open coil mattresses give adequate support for average-weight sleepers who like traditional spring feel. The connected system spreads weight evenly across the entire sleeping surface.
Back sleepers especially like the responsive support that adjusts to their body position. The springs push back against pressure points, keeping spinal alignment throughout the night.
Easy Position Changes
The responsive spring system makes changing sleeping positions easy. Unlike memory foam that slowly shapes to your body, open coil springs quickly adjust to new positions.
Active sleepers and those who change positions often during sleep find this quick response comfortable and natural. The mattress doesn’t “trap” you in one position like some foam mattresses can.
Wide Availability
You’ll find open coil mattresses at almost every mattress store. From big box stores to specialty sleep shops, they’re everywhere. This wide availability means easy comparison shopping and quick replacement when needed.
Standard sizing works with existing bed frames and bedding. Most stores stock common sizes and can arrange quick delivery for immediate needs.
Cooler Sleeping Surface
The open spring structure helps air flow throughout the mattress. Air moves freely between the coils, stopping heat buildup that can disturb sleep.
Hot sleepers especially benefit from this natural ventilation. Unlike memory foam mattresses that can keep body heat, open coil designs help maintain comfortable sleeping temperatures all year.
Are Open Spring Mattresses Any Good?
Value Assessment
Open coil mattresses give solid value for specific situations and budgets. They’re not trying to compete with premium memory foam or high-end pocket sprung mattresses – and that’s perfectly fine.
For guest rooms that see occasional use, these mattresses give comfortable sleeping without the cost of premium options. They’re also excellent for children’s bedrooms where lasting long matters less than being affordable.
When They Make Sense
Budget limits often make open coil mattresses the practical choice. Students, young adults starting out, and anyone setting up rental properties can benefit from their low cost.
Single sleepers who don’t need motion isolation find open coil mattresses perfectly adequate. If you sleep alone and prefer traditional spring feel, these standard sprung mattresses can serve you well for years.
Expert Recommendations
Sleep specialists often recommend open coil mattresses for specific scenarios. Guest bedrooms, children’s beds, and temporary housing situations are ideal uses where saving money matters most.
However, experts typically suggest upgrading to pocket sprung or hybrid mattresses for main bedrooms. This is especially true for couples or those with specific comfort needs.
Open Coil vs Pocket Sprung Comparison
Pocket Spring Mattress Definition
Pocket sprung mattresses have individual springs sewn into fabric pockets. Each spring moves independently, responding only to direct pressure without affecting neighboring springs.
This independent movement gives targeted support and excellent motion isolation. When one person moves, their partner doesn’t feel the movement across the bed.
Key Differences
Motion Isolation: Pocket sprung mattresses excel at preventing partner disturbance. Open coil designs transfer movement across the entire mattress surface.
Targeted Support: Pocket springs conform to individual body contours, giving pressure relief where needed. Open coil systems offer more general support across the sleeping surface.
Price Point: Open coil mattresses cost significantly less than pocket sprung alternatives. The price difference can be substantial, sometimes 50-70% less for similar quality levels.
Durability: Both types can last 7-10 years with proper care. However, pocket sprung mattresses often maintain their support characteristics longer due to independent spring movement.
For a detailed comparison, check out our comprehensive guide on open coil vs pocket sprung mattresses.
What are the Pros and Cons of an Open Coil Mattress?
Pros
Affordable Pricing: The biggest advantage remains the budget-friendly price point. You get spring mattress benefits without premium costs.
Traditional Feel: Many sleepers prefer the familiar bounce and responsiveness of traditional spring systems over newer foam technologies.
Temperature Regulation: Excellent airflow keeps sleepers cool. This makes these mattresses ideal for hot sleepers or warm climates.
Easy Handling: Light construction makes moving, rotating, and general care easier compared to heavier mattress types.
Quick Response: Springs immediately adjust to position changes, giving responsive support for active sleepers.
Cons
Limited Contouring: The connected system can’t give the targeted pressure relief that individual pocket springs or memory foam offer.
Motion Transfer: Movement on one side of the bed affects the entire mattress, potentially disturbing sleeping partners.
Edge Support: While border wire helps, edge support typically isn’t as strong as in premium mattress designs.
Shorter Lifespan: Connected springs wear together, potentially leading to early sagging in heavily used areas.
Basic Features: Limited customization options compared to modern mattress technologies like adjustable firmness or advanced cooling features.
Is a Standard Sprung Mattress Right for Me?
Budget-Conscious Buyers
If you’re working with a tight mattress budget, open coil mattresses offer the best value in traditional spring designs. First-time mattress buyers can get quality sleep without the cost of premium options.
Students and young adults often find these mattresses perfect for temporary living situations. The combination of low cost and adequate comfort makes them practical choices for transitional periods.
Sleep Preferences
Back sleepers who prefer firmer support often appreciate open coil mattresses. The responsive spring system gives the pushback many back sleepers need for proper spinal alignment.
Hot sleepers benefit from the natural ventilation these mattresses provide. If you struggle with overheating during sleep, the airflow through open coil springs can help maintain comfortable temperatures.
Practical Applications
Children’s bedrooms are perfect for open coil mattresses. Kids may outgrow their beds before wearing out the mattress, making affordable options practical.
Guest bedrooms with occasional use don’t require the durability investment of premium mattresses. Open coil designs provide comfort for visiting friends and family without the expense.
What are the Alternatives to Coil Springs?
Pocket Springs
Pocket sprung mattresses offer individual spring movement for better motion isolation and targeted support. They cost more but provide enhanced comfort for couples and those needing pressure relief.
Each spring responds independently, contouring to body shape while maintaining support. This design reduces partner disturbance and provides more customized comfort.
Memory Foam
Memory foam mattresses contour closely to body shape, providing excellent pressure relief for side sleepers and those with joint pain. They offer superior motion isolation but may retain heat.
The special material responds to body heat and pressure, creating a “hugging” sensation that some sleepers love. However, they feel completely different from traditional spring mattresses.
Latex Mattresses
Natural latex provides responsive support with some contouring ability. These mattresses offer durability and temperature regulation while maintaining a more traditional feel than memory foam.
Latex responds quickly to movement like springs but provides better pressure relief than open coil systems. They’re eco-friendly but typically cost more than traditional spring options.
Hybrid Designs
Hybrid mattresses combine spring systems with foam layers, offering the best of both worlds. They provide spring responsiveness with enhanced comfort and pressure relief.
Most hybrids use pocket springs as the base with memory foam or latex comfort layers. This combination delivers traditional spring feel with modern comfort improvements.
Quality Factors and What to Look For
Construction Quality
Spring Count: More springs generally mean better support distribution, though quality matters more than quantity. Look for mattresses with at least 400-600 springs for adequate support.
Wire Gauge: Lower gauge numbers indicate thicker, more durable wire. 12-gauge mattress wire provides good durability for most sleepers, while 14-gauge works for lighter individuals.
Border Wire: Quality border wire reinforcement prevents edge sagging and maintains mattress shape over time.
Comfort Features
Padding Quality: The comfort layers above the springs determine surface feel. Look for dense, durable padding that won’t compress quickly.
Firmness Options: Choose firmness levels based on your sleep position and preferences. Back sleepers typically prefer medium-firm, while side sleepers may want slightly softer options.
Edge Support: Test the mattress edges to ensure they provide adequate support when sitting or sleeping near the perimeter.
Brand and Warranty
Reputable Manufacturers: Choose established brands with good customer service records. Avoid extremely cheap options that may indicate poor construction quality.
Warranty Coverage: Look for warranties covering manufacturing defects and premature sagging. Typical warranties range from 5-10 years for open coil mattresses.
Trial Periods: Some retailers offer sleep trials allowing you to test the mattress at home. This reduces the risk of buying an incompatible mattress.
Making the Purchase Decision
Evaluation Criteria
Budget: Determine your maximum budget including delivery and any accessories. Open coil mattresses offer the best value in the $200-400 range.
Sleep Partners: Consider motion transfer if you share the bed. Couples may want to invest in pocket sprung alternatives for better sleep quality.
Intended Use: Primary bedrooms may benefit from upgraded options, while guest rooms can use basic open coil mattresses effectively.
Shopping Strategies
Test In-Store: Spend at least 10-15 minutes testing each mattress in your preferred sleep position. Don’t rush this important decision.
Compare Warranties: Read warranty terms carefully, paying attention to what’s covered and any requirements for maintaining coverage.
Timing: Shop during major sales events like Memorial Day or Labor Day for better deals on quality mattresses.
Red Flags to Avoid
Extremely Low Prices: Mattresses under $100 may indicate poor construction or materials that won’t provide adequate support or durability.
High-Pressure Sales: Avoid retailers using urgent sales tactics or limited-time offers that prevent thoughtful consideration.
No Warranty: Any mattress without at least a basic warranty raises quality concerns. Reputable manufacturers stand behind their products.
Maintenance and Care
Extending Lifespan
Regular Rotation: Rotate your mattress every 3-6 months to ensure even wear. This prevents premature sagging in commonly used areas.
Proper Foundation: Use a supportive foundation or bed frame designed for your mattress type. Poor support can void warranties and reduce lifespan.
Mattress Protectors: Invest in a quality mattress protector to prevent stains, moisture, and allergen buildup that can degrade materials over time.
Common Issues
Squeaking Springs: This often indicates worn spring connections or inadequate lubrication. While some squeaking is normal as mattresses age, excessive noise may signal replacement time.
Sagging Areas: Visible sagging in heavily used areas suggests spring fatigue. This typically occurs after 7-10 years of regular use.
Edge Breakdown: Weak edges indicate border wire failure or poor construction. Quality mattresses should maintain edge integrity throughout their lifespan.
Expert Opinions and Recommendations
Sleep Specialist Insights
Sleep specialists often recommend open coil mattresses for specific situations where budget constraints outweigh premium features. They’re particularly suitable for guest rooms and children’s bedrooms.
However, experts emphasize that primary bedrooms benefit from upgraded options like pocket sprung or hybrid mattresses. This is especially true for couples or those with specific comfort needs.
Industry Perspectives
The mattress industry positions open coil mattresses as entry level mattresses that provide basic comfort and support. They serve an important market segment that prioritizes affordability over advanced features.
Quality standards continue improving even in budget categories. Many mattress manufacturers focus on durability and comfort within price constraints.
Final Thoughts
Open coil mattresses fill an important niche in today’s mattress market. They provide traditional spring comfort and support at prices that make quality sleep accessible to budget-conscious buyers.
These mattresses work excellently for guest rooms, children’s bedrooms, and anyone who prioritizes affordability over premium features. The combination of responsive support, temperature regulation, and wide availability makes them practical choices for many situations.
However, they’re not perfect for everyone. Couples may struggle with motion transfer, and those needing targeted pressure relief might find them inadequate. Consider your specific needs, budget, and sleeping situation when making your decision.
Understanding what an open coil mattress offers helps you make informed mattress shopping decisions. These traditional sprung mattresses provide solid value for specific needs and budgets, even if they can’t match the advanced features of premium alternatives.
Focus on your priorities: if affordability and basic comfort matter most, open coil mattresses deserve serious consideration. If you need advanced features like motion isolation or targeted pressure relief, consider investing in pocket sprung or hybrid alternatives.
Remember to test mattresses in person when possible, read warranties carefully, and consider the intended use. Whether you choose an open coil mattress or upgrade to premium options, prioritizing your sleep comfort and budget constraints leads to the best decisions.
For more guidance on mattress sizes and bedroom setup, explore our guides on three-quarter size beds and emperor bed dimensions. Also, consider reading about avoiding used mattresses to ensure you’re making the healthiest choice for your sleep environment.
FAQs
How Long Do Mattress Coils Last?
Open coil mattresses typically last 7-10 years with proper care and rotation. The connected spring system means all springs age together, unlike pocket sprung mattresses where individual springs may fail independently.
Factors affecting lifespan include usage frequency, sleeper weight, and maintenance quality. Guest room mattresses often last longer due to less frequent use.
What Are Open Coil Springs For?
Open coil springs provide basic support and responsiveness at affordable prices. They’re designed for sleepers who prefer traditional spring feel without premium features like motion isolation or targeted pressure relief.
These springs excel in applications where cost-effectiveness matters more than advanced comfort features.
What Firmness of Mattress is Best?
Firmness preferences vary by sleep position and personal preference. Back sleepers typically prefer medium-firm open coil mattresses, while side sleepers may want slightly softer options.
Most open coil mattresses offer medium firmness as the standard. Firm and soft options are available from some manufacturers.
How Many Coils Are Good in a Mattress?
Quality open coil mattresses typically contain 400-600 springs for adequate support distribution. More springs generally provide better support, though spring quality matters more than pure quantity.
Higher-end open coil mattresses may feature 800+ springs for enhanced support and durability.
Do Coil Mattresses Sag?
Open coil mattresses can develop sagging over time, particularly in heavily used areas. The connected spring system means wear affects the entire mattress rather than isolated areas.
Proper rotation and quality construction help minimize sagging. However, some settlement is normal as the mattress ages.
