Mainstays 700W Microwave Review: Your Guide to the Absolute Cheapest Pick

Navigating the world of kitchen appliances on a tight budget can feel like a daunting task. You want functionality without breaking the bank, but where do you draw the line between a great deal and a regrettable purchase? If you’re on the hunt for the most affordable option, the Mainstays 700W microwave often emerges as a top contender, consistently holding its position as one of the cheapest picks on the market. This comprehensive guide will dive deep into what makes this budget appliance tick, helping you understand its capabilities, limitations, and whether it’s the right choice for your specific needs. From its basic operation to how it stacks up against other types, we’ll equip you with all the insights to make an informed decision.

Microwave Ovens: A Comprehensive Guide From A to Z

A microwave oven is an essential kitchen appliance designed to heat food rapidly using electromagnetic radiation in the microwave frequency range. It has revolutionized meal preparation, offering unparalleled convenience for reheating leftovers, defrosting ingredients, and even cooking simple meals. The primary benefit of a microwave lies in its speed and efficiency, making it indispensable for busy individuals and families looking to save time in the kitchen.

What is a Microwave? Basic Operating Principles

At its core, a microwave oven works by converting electricity into microwaves, which are a form of non-ionizing electromagnetic radiation. These waves are generated by a magnetron, a vacuum tube that produces high-frequency radio waves. Once generated, the microwaves are directed into the cooking cavity, typically bouncing off the metallic interior walls and penetrating the food. When microwaves interact with food, they cause the water molecules within it to vibrate rapidly. This molecular friction generates heat, cooking the food from the inside out, rather than relying on external heat sources like traditional ovens.

Popular Types of Microwaves on the Market

The microwave market offers a diverse range of models, each designed to cater to different needs, budgets, and kitchen aesthetics. Understanding the primary types can help you pinpoint which best suits your lifestyle and cooking habits. The Mainstays 700W model typically falls into the most basic category, offering straightforward functionality without complex features.

• Mechanical Microwaves: These models feature simple dial controls for setting time and power levels. Their strength lies in their ease of use and often robust, less complex internal mechanisms, which can lead to greater longevity. They are generally the most affordable option, perfect for basic reheating and defrosting, and a prime example of where the Mainstays 700W fits in. However, they lack the precision and preset functions of digital models.

• Electronic Microwaves: Equipped with digital keypads and displays, electronic microwaves offer more precise control over cooking times and power levels. They often come with pre-programmed settings for popular foods like popcorn, pizza, or beverages, and may include features like one-touch cooking, multi-stage cooking, and sensor cooking. While offering greater convenience and versatility, they are typically more expensive than mechanical models.

• Microwaves with Grilling Function: These combination ovens integrate a microwave with a conventional grilling element. This allows users to not only heat food quickly but also brown and crisp it, providing a more versatile cooking experience. They are excellent for achieving a golden-brown finish on dishes like gratins or toast, bridging the gap between a standard microwave and a small oven.

• Convection Microwaves: The most advanced type of combination oven, convection microwaves combine microwave technology with a convection fan and heating element. This enables them to function as a full-fledged mini-oven, capable of baking, roasting, and crisping, in addition to standard microwave tasks. They offer superior cooking versatility, allowing for more even cooking and broader culinary possibilities, but come at a higher price point.

• Built-in and Over-the-Range Microwaves: These microwaves are designed for seamless integration into kitchen cabinetry or installed above a range. They free up counter space and offer a sleek, custom look. Over-the-range models often include exhaust fan and lighting features. While aesthetically pleasing and practical for space-saving, their installation can be more complex, and they generally represent a significant investment.

Detailed Comparison Table of Microwave Types

When comparing different microwave types, it’s helpful to look at key criteria that influence performance, price, and overall user experience. This table highlights the typical characteristics across the main categories, providing a clear overview of what each type brings to the kitchen. The Mainstays 700W fits squarely within the mechanical type, emphasizing affordability and simplicity.

Feature / Type	Mechanical Microwave (e.g., Mainstays 700W)	Electronic Microwave	Grill Microwave	Convection Microwave
Control Type	Dials	Digital Keypad, Display	Digital Keypad, Display	Digital Keypad, Display
Power (Typical)	600-800W	800-1200W	900-1100W (Microwave)	900-1200W (Microwave)
Capacity	Small to Medium (0.7 – 1.0 cu ft)	Small to Large (0.7 – 2.0+ cu ft)	Medium to Large (1.0 – 1.5 cu ft)	Medium to Large (1.0 – 2.0+ cu ft)
Key Functions	Reheat, Defrost, Cook (basic)	Reheat, Defrost, Cook, Presets	Reheat, Defrost, Cook, Grill	Reheat, Defrost, Bake, Roast, Cook
Precision	Lower (manual estimation)	High (digital timing)	High	Very High
Ease of Use	Very Easy (simple dials)	Easy (once familiar with presets)	Moderate	Moderate to Advanced
Price Range	$40 – $80	$80 – $200	$150 – $300	$250 – $600+
Best For	Budget-conscious, basic tasks, small spaces	Everyday convenience, varied use	Browning/crisping, basic microwave	Full oven replacement, versatile cooking

The Mainstays 700W microwave clearly stands out for its exceptional value, making it an ideal choice for those who prioritize cost above all else. Its simplicity ensures that virtually anyone can operate it without hassle.

Guide to Choosing the Right Microwave

Selecting a microwave involves more than just picking the cheapest option; it’s about matching the appliance to your specific needs, kitchen space, and cooking habits. Even when considering a budget-friendly model like the Mainstays 700W, a thoughtful approach ensures satisfaction and longevity. As an experienced technician, I’ve seen countless scenarios where the wrong choice leads to frustration.

• Determine Your Usage Needs:
  Before anything else, consider what you’ll primarily use the microwave for. Are you mostly reheating leftovers and beverages, or do you plan to defrost larger items, cook frozen meals, or even attempt some basic recipes? For simple tasks like quickly warming up a cup of coffee or a plate of food, a 700W model like the Mainstays is perfectly adequate. However, if you’re frequently cooking full meals or larger portions, a higher wattage (900W+) would significantly improve cooking times and evenness.

• Choose the Right Capacity:
  Microwave capacity is measured in cubic feet and directly relates to the size of dishes and food items you can place inside.

  • Small (under 0.8 cu ft): Ideal for individuals, dorm rooms, or very small kitchens where space is at a premium. The Mainstays 700W typically falls into this category, often around 0.7 cu ft. It’s perfect for single servings and smaller plates.
  • Medium (0.8 – 1.2 cu ft): Suitable for small families (2-3 people) and standard dinner plates. This size offers a good balance of capacity and counter footprint.
  • Large (1.2 cu ft and above): Best for larger families or those who frequently use oversized dishes or want to cook bigger items. These models usually come with higher wattage.

• Select Appropriate Power (Wattage):
  Wattage dictates how quickly and efficiently a microwave cooks food. Higher wattage means faster and often more even cooking.

  • Low Power (under 800W): Models like the Mainstays 700W fall here. They are energy-efficient in terms of power consumption but will take longer to cook food. They are excellent for gentle heating and defrosting.
  • High Power (800W and above): These microwaves cook food faster and more evenly. If speed and consistent results are a priority, especially for cooking larger or denser items, opt for a higher wattage model.
    

    “For most everyday reheating and simple defrosting, a 700W microwave delivers exactly what you need without unnecessary complexity or cost. It’s about understanding its specific strengths and working within those boundaries.” – John Smith, Appliance Repair Specialist

• Identify Essential Features:
  Modern microwaves come with a plethora of features, but a budget model like the Mainstays 700W will focus on the absolute basics.

  • Auto-Defrost: Automatically calculates defrosting time based on food weight.
  • Timer/Delay Start: Allows you to set precise cooking times or delay the start of a cycle.
  • Child Lock: Prevents accidental operation by children.
  • Inverter Technology: Provides a continuous, even stream of power, leading to more consistent cooking results and better texture retention. This is typically found in higher-end models.
    For the Mainstays 700W, expect very basic manual controls, typically two dials for time and power level, which some users actually prefer for their straightforward nature.

• Choose a Reputable Brand:
  Even at the budget end, brand reputation matters for reliability and customer support. Mainstays, being a Walmart brand, often offers decent entry-level appliances with readily available support through the retailer. Other budget-friendly brands often include Hamilton Beach, Proctor Silex, and Black+Decker for similar low-wattage offerings. While you might not get premium features, these brands generally offer products that perform their basic functions reliably for a reasonable period.

• Compare Prices and Value:
  Always shop around and compare prices from different retailers. For the Mainstays 700W, you’ll find its price point consistently among the lowest, making it truly one of the “absolute cheapest picks.” When comparing, consider not just the initial cost but also what features you are sacrificing or gaining. Sometimes, a slightly higher investment can yield significantly better performance or durability.

Top Most Popular Microwave Models Today (with Detailed Reviews)

While the market is flooded with high-tech, feature-rich microwaves, there’s a significant demand for reliable, no-frills models that simply get the job done. The Mainstays 700W microwave consistently ranks high in the ultra-budget category, but it’s worth comparing it with a couple of other popular entry-level options to fully appreciate its position.

• Mainstays 0.7 cu ft 700W Microwave (The Absolute Cheapest Pick)

  • Pros: This microwave is undeniably the king of affordability. Its price point is typically under $50, making it accessible to virtually any budget. The compact 0.7 cu ft size is perfect for dorms, small apartments, or as a secondary microwave in an office. Its mechanical dial controls are incredibly simple to use, requiring no complex programming or digital understanding – just turn the dials for time and power. It’s excellent for basic reheating of leftovers, making popcorn, and warming beverages.
  • Cons: At 700W, cooking times will be noticeably longer compared to higher wattage models, and food may heat unevenly, requiring occasional stirring. It lacks advanced features like sensor cooking, auto-defrost presets, or inverter technology. The aesthetics are very basic, and some users report it can be a bit noisy during operation. Its durability may also not match that of more expensive units.
  • Best For: Students, single individuals, those with extremely limited budgets, or anyone needing a very basic appliance for occasional, light-duty use.

• Hamilton Beach 0.7 cu ft 700W Digital Microwave Oven

  • Pros: Often priced slightly above the Mainstays, this Hamilton Beach model offers a digital interface, providing more precise timing and often includes useful presets for common foods like popcorn, pizza, and potatoes. It shares the compact 0.7 cu ft size, making it suitable for similar small spaces. The digital controls can feel more modern and offer a slight upgrade in convenience.
  • Cons: While digital, it’s still a 700W unit, so cooking power and speed remain limited. The price is marginally higher, which for some budget-conscious buyers might be a deciding factor. Some users report the button membrane can be less durable over time than mechanical dials.
  • Best For: Individuals or small families who appreciate digital precision and a few common presets, but still need an ultra-compact and affordable microwave.

• Black+Decker EM720CPN-P 0.7 cu ft 700W Microwave Oven

  • Pros: This Black+Decker model often strikes a balance between price and features, typically costing a bit more than the Mainstays but offering a robust digital experience. It features ten power settings, a kitchen timer, and a child safety lock, which are excellent additions for its price point. The stainless steel front offers a slightly more premium look compared to basic plastic models.
  • Cons: It’s still a 700W microwave, so manage expectations regarding speed and evenness. The added features do come with a slightly higher cost, potentially pushing it out of the “absolute cheapest” category.
  • Best For: Those willing to spend a little extra for enhanced digital features, more precise control, and a slightly more appealing design in a compact 700W package.

Guide to Using a Microwave Safely and Effectively

Using your microwave, especially a basic 700W model like the Mainstays, correctly can extend its lifespan, ensure your food is heated properly, and prevent accidents. Following a few simple guidelines makes a significant difference. From selecting the right containers to understanding its limitations, safe and effective operation is paramount for any kitchen appliance.

• Important Usage Tips for Your Microwave:

  • Use Microwave-Safe Cookware Only: Always check for a “microwave-safe” label on your dishes. Glass, ceramic, and certain plastics are generally safe. Avoid metal, aluminum foil, and containers with metallic trim, as these can cause arcing and damage the microwave.
  • Avoid Running Empty: Never operate the microwave without food inside. The microwaves need to be absorbed by food; without it, they can reflect back to the magnetron, potentially causing damage or reducing the appliance’s lifespan.
  • Even Heating with 700W: Since 700W models have lower power, food can sometimes heat unevenly. To combat this, stir food halfway through the heating process and rotate the dish if your model doesn’t have a rotating turntable.
  • Don’t Overcook: Overcooking can lead to dry, rubbery food and can also be a safety hazard. Start with shorter heating times and add more as needed. Always be careful when removing hot food or liquids.
  • Vent Food Properly: Cover food with a microwave-safe lid or plastic wrap (vented to allow steam to escape) to help retain moisture and cook more evenly. This also prevents splatters, keeping your microwave clean.
  • Beware of Certain Foods: Grapes, whole eggs (unless pierced), and hot peppers can explode in the microwave. Foods with thick skins (potatoes, sausages) should be pricked to prevent steam buildup and bursting.

• How to Clean and Maintain Your Microwave Properly:
  Regular cleaning and maintenance are crucial for hygiene and extending your microwave’s life.

  • Daily Wipe-Down: After each use, quickly wipe down the interior with a damp cloth to remove any splatters or food residue. This prevents stains from hardening and odors from building up.
  • Deep Cleaning: For a more thorough clean, place a microwave-safe bowl with one cup of water and a few tablespoons of white vinegar (or lemon slices) inside. Heat on high for 5-10 minutes until the mixture boils and the window steams up. Let it stand for another 5 minutes, allowing the steam to loosen grime. Then, carefully remove the bowl and wipe the interior clean with a sponge or paper towel.
  • Clean the Turntable: Remove the glass turntable and wash it in the sink with warm, soapy water, or place it in the dishwasher.
  • Inspect the Door Seal: Periodically check the door seal for any signs of damage, cracks, or dirt buildup. A damaged seal can cause microwave energy to leak, which is a safety concern. Clean the seal gently with a damp cloth.

• Common Issues and Troubleshooting:
  Even basic microwaves can encounter problems. Many can be resolved with simple troubleshooting.

  • Microwave Not Heating Food: Ensure the door is fully closed. Check if the power cord is securely plugged in. If it still doesn’t heat, the magnetron might be failing, requiring professional service or replacement.
  • Sparking Inside: This is almost always caused by metal in the microwave. Immediately stop the microwave, remove the item, and inspect the interior for any burnt spots.
  • Turntable Not Rotating: Check if the turntable is properly seated on its support ring and coupler. Ensure the motor isn’t obstructed. If it’s still not moving, the motor or coupler might be faulty.
  • Unusual Noise: Some noise is normal, especially with basic models. However, excessive grinding or buzzing can indicate a problem with the fan, motor, or magnetron, suggesting a need for inspection.

Conclusion

Choosing the right microwave, especially when budget is a primary concern, requires understanding its capabilities and limitations. The Mainstays 700W microwave stands out as the absolute cheapest pick, offering unparalleled affordability and straightforward functionality ideal for basic heating and defrosting tasks. While it may not boast advanced features or the fastest cooking times, its simplicity and compact design make it a perfectly viable option for students, singles, or anyone needing a reliable, no-frills appliance. It embodies the essence of practical utility, proving that you don’t always need to spend a fortune to get the job done.

Before making your final decision, consider how often you’ll use it, what you’ll typically be heating, and how much space you have available. Would a slightly higher wattage model offer better value for your specific needs, or is the pure economy of the Mainstays 700W precisely what you’re looking for?

Frequently Asked Questions

Is a 700W microwave powerful enough for everyday use?

A 700W microwave is generally powerful enough for everyday tasks like reheating leftovers, warming beverages, and defrosting small portions of food. However, it will take longer to cook or heat items compared to higher wattage models (900W+). It’s best suited for those with simple needs and who aren’t in a hurry.

Are cheap microwaves like the Mainstays 700W reliable?

Cheap microwaves can be reliable for their intended basic functions. While they may not have the durability or advanced features of more expensive models, many users find them perfectly adequate for several years of light use. Proper care and adherence to usage guidelines can help extend their lifespan significantly.

What are the main differences between a mechanical and digital microwave?

The main differences lie in control and precision. Mechanical microwaves use dials, making them very simple to operate but less precise in timing. Digital microwaves have keypads and displays, offering exact timing, pre-programmed settings, and often more features for greater convenience and versatile cooking options.

Can I cook a full meal in a 700W microwave?

While you can cook some full meals in a 700W microwave, it’s not ideal for all types of cooking. It’s best for pre-packaged microwave meals or recipes specifically designed for lower wattage. Cooking larger or denser items from scratch may result in longer cooking times and less even heating, so adjust expectations accordingly.

How do I know if my dishes are microwave-safe?

Most microwave-safe dishes will have a specific symbol on the bottom, usually depicting wavy lines, a microwave, or “microwave safe” text. If unsure, place the empty dish in the microwave alongside a cup of water. Heat on high for one minute. If the dish remains cool and the water is hot, it’s generally safe.

Is the Mainstays 700W microwave good for a dorm room?

Yes, the Mainstays 700W microwave is an excellent choice for a dorm room. Its compact size takes up minimal counter space, and its extremely low price point makes it budget-friendly for students. It’s perfect for quick snacks, reheating meals, and warming drinks, meeting typical dorm room needs effectively.