Top Five Medium Frequency Furnace Suppliers in the United States [2025]

When it comes to integrating cutting-edge technology with eco-conscious design, EcoCycle Metallurgy Solutions leads the pack. Founded in 2008 in Cleveland, Ohio, this family-owned business has grown from a small local supplier to a national leader, renowned for its medium frequency electricity furnace equipment tailored for heavy-duty metal recycling. What sets EcoCycle apart is its unwavering focus on sustainability—a core value that shines through in every product.

Their flagship offering, the EcoMelt MF Series, is a game-changer for lead acid battery recycling operations. Designed to handle the unique challenges of processing lead-rich materials, these furnaces boast a frequency range of 1000–2500 Hz, ensuring rapid melting (up to 500 kg/hour) with minimal energy waste. But what really impresses customers is the integrated air pollution control system equipment. EcoCycle's in-house engineers developed a multi-stage filtration setup that captures 99.7% of particulate matter and harmful emissions, helping businesses stay compliant with EPA regulations without sacrificing productivity.

Beyond furnaces, EcoCycle prides itself on being a one-stop shop for recycling operations. Many clients rave about their "turnkey solutions," which include not just the medium frequency furnace but also auxiliary equipment like hydraulic press machines and material handling systems. "We were struggling with inconsistent melting times and high energy bills before switching to EcoCycle," says Mark Henderson, operations manager at a lead recycling plant in Michigan. "Their team didn't just sell us a furnace—they analyzed our entire workflow and optimized it. Our energy costs dropped by 22% in the first year alone."

With a nationwide network of service technicians and a 24/7 support hotline, EcoCycle ensures that downtime is kept to a minimum. For businesses prioritizing sustainability, compliance, and long-term reliability, EcoCycle Metallurgy Solutions is a clear front-runner.

If precision is your top priority, look no further than Precision Furnace Technologies (PFT) based in Chicago, Illinois. Founded by a team of metallurgical engineers with decades of experience in the steel industry, PFT has built its reputation on furnaces that deliver pinpoint temperature control and unmatched consistency—critical for high-purity metal applications like aerospace components and medical device manufacturing.

Their crown jewel, the PrecisionMelt Pro, is a medium frequency electricity furnace equipment that offers temperature stability within ±1°C, a feat that competitors often struggle to match. Equipped with advanced PLC controls and real-time monitoring software, operators can adjust power input, melting cycles, and cooling rates with the touch of a screen, reducing human error and ensuring batch-to-batch uniformity. While many furnaces on the market are "one-size-fits-all," PFT specializes in custom solutions; they'll work with you to design a furnace that fits your exact space constraints, power supply, and metal type—whether you're melting aluminum, brass, or specialty alloys.

PFT's furnaces aren't just precise—they're also built to last. Using high-grade refractory materials and rugged steel frames, their machines withstand the wear and tear of continuous operation, with an average lifespan of 15–20 years. "We run three shifts a day, six days a week, and our PFT furnace has been online for eight years with only minor maintenance," notes Sarah Lopez, plant supervisor at a precision casting facility in Indiana. "The reliability is unmatched, and when we do need support, their technical team responds within hours."

While PFT's focus is primarily on industrial melting, they've recently expanded into the recycling sector, adapting their precision technology for applications like lithium battery recycling. Their new EcoPrecision line combines the accuracy of their industrial furnaces with energy-efficient designs, making them a strong choice for businesses that demand both performance and sustainability.

For small to mid-sized operations looking for affordability without compromising on quality, GreenTech Recycling Equipment is a standout option. Headquartered in Atlanta, Georgia, GreenTech has carved a niche by offering "right-sized" medium frequency furnaces that deliver professional-grade performance at a fraction of the cost of larger industrial models.

Their best-selling model, the GreenMelt 500, is a compact medium frequency electricity furnace equipment designed for businesses processing 100–500 kg of metal per day—ideal for scrapyards, auto recycling shops, and small-scale lead acid battery recycling operations. Despite its smaller footprint, the GreenMelt 500 doesn't skimp on features: it includes a digital temperature controller, automatic tilting mechanism for easy pouring, and a built-in safety system that shuts down the furnace if temperatures exceed safe limits. What's more, GreenTech offers flexible financing options, including lease-to-own plans, making it easier for new businesses to invest in reliable equipment.

One area where GreenTech truly excels is customer education. Recognizing that many of their clients are new to medium frequency furnaces, they offer free on-site training sessions, video tutorials, and a comprehensive user manual written in plain English (no technical jargon!). "I had zero experience with furnaces when I started my scrap metal business," says Raj Patel, owner of a recycling facility in Tennessee. "GreenTech sent a trainer to my shop for three days, walked me through every step, and even followed up a month later to check in. You don't get that kind of support from the big guys."

While GreenTech's furnaces may not have the ultra-high capacity of some competitors, they're a smart choice for businesses that need reliable performance on a budget. With a 5-year warranty on parts and a growing network of regional service centers, GreenTech is proving that quality doesn't have to break the bank.

For large-scale industrial operations that demand brute strength and maximum throughput, Industrial Melting Systems Inc. (IMS) is the go-to supplier. Based in Houston, Texas, IMS has been a staple in the heavy industry sector for over 30 years, specializing in furnaces that can handle "extreme" workloads—think 2000+ kg of metal per hour, day in and day out.

Their flagship model, the IMS MegaMelt 3000, is a behemoth of a medium frequency electricity furnace equipment, built with a reinforced steel shell and oversized induction coils to handle high-volume melting of iron, steel, and copper. What sets the MegaMelt apart is its modular design: businesses can start with a base unit and add components like extended melting chambers or automated feeding systems as their needs grow. This scalability has made IMS a favorite among automotive manufacturing plants and large recycling facilities that process everything from scrap cars to industrial waste metal.

IMS also leads the pack in innovation when it comes to energy efficiency for large furnaces. Their proprietary "SmartMelt" technology uses AI-driven algorithms to adjust power input based on the type and quantity of metal being melted, reducing energy consumption by up to 18% compared to traditional models. "We process over 10 tons of scrap steel daily, so energy costs are a huge line item," says James Wilson, plant manager at a steel recycling facility in Ohio. "The MegaMelt 3000 with SmartMelt has cut our monthly electricity bill by nearly $5,000—that's a game-changer for our bottom line."

It's worth noting that IMS's focus on large-scale equipment means they may not be the best fit for small operations. Their furnaces require significant installation space and higher initial investment, but for businesses with the volume to justify it, the ROI is undeniable. Plus, with a global parts distribution center in Houston, downtime is kept to a minimum—critical for operations where every minute of production counts.

Rounding out our list is Sustainable Metal Processing Co. (SMP), a relative newcomer that's making waves with its focus on "zero-waste" furnace design. Founded in Portland, Oregon, in 2015, SMP was born from a mission to reduce the environmental impact of metal melting—and they've succeeded in ways that have caught the attention of eco-conscious businesses nationwide.

Their signature product, the SMP EcoFurnace, is a medium frequency electricity furnace equipment that goes beyond just melting metal: it's designed to recover and reuse byproducts that would otherwise end up in landfills. For example, during lead acid battery recycling, the EcoFurnace captures sulfur dioxide emissions and converts them into usable sulfuric acid, which can be sold to chemical manufacturers or reused in battery production. Similarly, heat from the melting process is recycled to preheat incoming raw materials, slashing energy use by up to 25%.

SMP also stands out for its commitment to transparency. Each furnace comes with a "Carbon Footprint Dashboard" that tracks energy usage, emissions, and waste reduction in real time, allowing businesses to quantify their sustainability efforts for customers, investors, and regulatory bodies. "We work with a lot of eco-certified brands, so being able to prove our recycling process is low-carbon is critical," says Elena Martinez, sustainability director at a lithium battery recycling startup in California. "SMP's dashboard has become a key selling point for our clients—it shows we're serious about walking the walk, not just talking the talk."

While SMP's technology is cutting-edge, they've faced some criticism for higher upfront costs and longer lead times for custom builds. However, many clients argue that the long-term savings—both financial and environmental—more than make up for it. As Martinez puts it: "Investing in SMP wasn't just about buying a furnace; it was about future-proofing our business. As regulations get stricter and consumers demand greener practices, we're already ahead of the curve."