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Backer Hotwatt Custom and Stock electric heating elements, made in USA, for over 65+ years. Hotwatt Incorporated now Backer Hotwatt Inc.

manufactures custom and stock electric heating elements. Heaters include cartridge, air process, immersion, strip and finned strip, tubular and finned tubular, band, foil, flexible glasrope®, crankcase and ceramic heaters. Hotwatt is a quality supplier to industrial user’s and original equipment manufacturers in the medical, commercial, packaging, instrumentation, aviation, transportation, refrigeration/air conditioning and military fields.

Wattage gets attention. Watt density drives performance. For flanged immersion heaters, it can have a major impact on re...
09/17/2026

Wattage gets attention. Watt density drives performance. For flanged immersion heaters, it can have a major impact on reliability, scale formation, maintenance, and service life.

Our latest blog explains why watt density matters in tank and vessel heating—and how the right selection helps design engineers improve uptime and avoid premature heater failure.

The link in the comments will take you to great info!

Two heaters can deliver the same total power and perform very differently. The difference often comes down to watt densi...
09/14/2026

Two heaters can deliver the same total power and perform very differently. The difference often comes down to watt density.

In this new blog, we break down how watt density affects sheath temperature, fluid compatibility, heat transfer, and long-term reliability in flanged immersion heaters—especially in HVAC water-heating systems.

If you’re specifying heaters for tanks, reservoirs, or glycol loops, the link in the comment is worth checking out.

Unplanned downtime in a modern data center is rarely caused by just "hot servers." It’s often a small thermal issue—like...
07/28/2026

Unplanned downtime in a modern data center is rarely caused by just "hot servers." It’s often a small thermal issue—like a frozen line, out‑of‑spec sensor, or stressed enclosure—that cascades into a major outage.

Our latest blog explains how custom electric heaters:
· Add a layer of protection to critical infrastructure in high‑density, AI‑driven facilities
· Support more predictable performance and easier maintenance for operations teams
· Help bridge the gap between traditional cooling designs and the realities of next‑generation loads

If reliability and risk mitigation are top priorities for your data center, the article at the link in the comments will answer tons.

Burn‑in, characterization, environmental testing—each demands a different approach to heat.In our latest blog, Backer Ho...
07/23/2026

Burn‑in, characterization, environmental testing—each demands a different approach to heat.

In our latest blog, Backer Hotwatt breaks down key questions engineers should ask when selecting electric heating technologies for test and validation: what you’re heating, how fast you need to ramp, how tightly you need to hold setpoints, and how the heater needs to integrate with your fixture or socket.

From micro-cartridge heaters in test sockets to custom elements in fluid and air systems, we share practical guidance to help you choose the right solution instead of just "a heater that fits." All the info is at the link in the comments.

Designing a next‑gen data center? Your cooling design is probably locked in—but have you fully mapped your heating needs...
07/21/2026

Designing a next‑gen data center? Your cooling design is probably locked in—but have you fully mapped your heating needs? Our new blog explores how custom thermal solutions step in where standard HVAC and "ambient assumptions" fall short.

Engineers will find practical guidance on:
· Protecting fluid lines and valves from freezing and stratification with targeted heaters
· Keeping sensors and controls in spec despite harsh, variable conditions
· Integrating heaters early so electrical, mechanical, and regulatory requirements are aligned from day one

Dive deeper into the engineering side here at our article link in the comments.

07/17/2026

Are you attending the ADLM Annual Meeting & Clinical Lab Expo this year?

If so, stop by booth #2078 to meet the team from Backer Hotwatt!

Whether you're designing diagnostic instruments, laboratory analyzers, or other precision medical equipment, Backer Hotwatt partners with engineering and design teams to develop thermal solutions that help improve performance, reliability, and manufacturability.

In test and validation, temperature control isn’t a "nice to have"—it’s the backbone of repeatable, accurate data.Our ne...
07/16/2026

In test and validation, temperature control isn’t a "nice to have"—it’s the backbone of repeatable, accurate data.

Our new blog walks through how to choose the right heating technology for sockets, fixtures, chambers, and fluid loops, and how to match heater style, watt density, and integration approach to your specific test strategy.

If your team is qualifying components or systems under tight tolerances, this is a practical guide to selecting heaters that won’t compromise your results. The work is practically done for you at the link in the comments!

Everyone talks about cooling in data centers. But what about everything outside the server room?As center workloads grow...
06/25/2026

Everyone talks about cooling in data centers. But what about everything outside the server room?

As center workloads grow, HVAC engineers must account for freeze protection, condensation prevention, enclosure heating, and liquid cooling support systems—not just cooling capacity.

A frozen valve or unstable enclosure can create just as much downtime risk as an overheated rack. Smart thermal planning, thinking about custom heaters for your unique needs, starts early. Get started by checking out the link in the comments.

AI and high‑density loads mean data centers need more than “big chillers.”Custom heaters protect pipes, valves, sensors,...
06/17/2026

AI and high‑density loads mean data centers need more than “big chillers.”

Custom heaters protect pipes, valves, sensors, and enclosures that live outside the main cooling loop—where many failures actually start.

Plan thermal strategy early with Backer Hotwatt so heating isn’t a field‑fix afterthought. We talk about this more at the link in the comments.

04/29/2026

Join us for the upcoming webinar: From Afterthought to Advantage: Integrate Heating Early in Design Interview.

Nikki Maxner, our Inside Sales Manager, will sit down with GlobalSpec and discuss a solutions-first approach to heating design.

Key Takeaways:
-Identify common pitfalls when heating is treated as a late-stage design consideration
-Understand how early thermal integration improves performance and reduces redesigns
-Explore how custom and low-volume heating solutions solve complex application challenges

https://hubs.la/Q04dWVTQ0

Address

16A Electronics Avenue
Danvers, MA
01923

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+19787770070

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