Commercial & Industrial Water Heaters in Wisconsin, Serving The Midwest
Heat & Power Products represents industry-leading manufacturers of high-efficiency commercial and industrial water heaters throughout Wisconsin. Since 1971, we have worked with engineers, mechanical contractors, and facility managers to specify and support reliable hot water systems for healthcare facilities, schools, manufacturing plants, multi-family buildings, and commercial properties.
Our product lineup includes instantaneous condensing water heaters, high-efficiency non-condensing systems, and direct contact water heaters capable of delivering high volumes of hot water with maximum performance and durability. Whether you need on-demand hot water, high turndown capability, or custom system integration, our team provides application guidance, product selection assistance, and ongoing technical support.
If you’re designing a new system or upgrading existing equipment, we can help ensure you select the right water heating solution for efficiency, longevity, and performance.
Why Choose a High-Efficiency Commercial Water Heater?
- Lower fuel consumption
- Improved turndown ratios
- Reduced maintenance
- Longer equipment lifespan
- Compatibility with modern building management systems
Applications We Serve:
- Hospitals & Healthcare
- Schools & Universities
- Industrial Manufacturing
- Multi-Family Housing
- Hospitality
Need Help Selecting a Commercial Water Heater?
Our team works directly with engineers and contractors to provide sizing guidance, submittals, and specification support.
Patterson Kelley 
PK HiDRA
Sizes: 800-1000 MBTU
Instantaneous Condensing Hot Water Heater. Up to 99% part load efficiencies with 5:1 turndown. Dedicated recirculating pump constantly mixes for consistent hot water output. Advanced NURO touch screen control system. 15-year warranty.
PK W MFD
Sizes: 750,000 – 2,000,000 BTU Input
Non-condensing, high-efficiency water heater with up to 85% efficiency, and a 5:1 turndown ratio. Simplified maintenance and easy inspection. 20 year guarantee against leakage.
PK Compact
Sizes: Custom
Options available for steam-to-water and water-to-water systems. Produces up to 250 GPM at 40F-140F. Double wall tube bundle construction available in copper or copper nickel.
Ludell 
Ludell Direct Contact Water Heater
Sizes: Custom
The Direct Contact Water Heater (DCWH) simplifies the heating process to one step. Unlike a typical boiler system, Ludell’s DCWH will produce 180 degree water up to 1,000 GPM instantly. That means on demand with no more waiting.




































