Mobile Hot Water Boiler Rentals
Safe potable and hydronic systems. Nationwide fleet. Quotes in as little as one hour.
WARE has been a leader in boiler rentals for more than 70 years.
Our fleet of mobile hot water boiler rentals is engineered for reliability, safety, and flexibility. Whether you are facing an emergency outage or planning a temporary project, WARE delivers potable and hydronic hot water systems nationwide with expert support available 24/7.
Our systems are built to meet the highest standards: stainless and brass construction for potable safety, plate and frame exchangers for dual use, and glycol protection for cold-weather reliability.
Get a Hot Water Boiler Rental Quote
The WARE Advantage
WARE is one of the nation's largest boiler rental providers, serving industries coast-to-coast for more than 70 years. Our rental fleet includes mobile steam and hot water systems engineered for reliability, safety, and rapid deployment. From hospitals to industrial facilities, WARE is trusted to deliver when downtime is not an option. We offer:
- Plate and frame exchangers to separate potable and hydronic water
- Stainless and brass construction for domestic safety (never mild steel)
- Freeze-resistant glycol loops for outdoor reliability in winter conditions
- Fuel flexibility with burners that switch between natural gas, propane, or diesel in 20 minutes
- Nationwide fleet with delivery anywhere in the U.S.
- 24/7 technical support from experienced boiler professionals
- More than 70 years of boiler rental expertise
What's Included With Every Rental
Every WARE mobile hot water boiler rental comes equipped with:
- Two 10-foot stainless-steel hoses
- 220v/1ph power cord
- All-copper piping and bronze fittings
- Safety and monitoring equipment
- Stainless-steel covered heat exchangers
- Thermostatic mixing valve
- Onboard expansion tank
- RBI boilers for reliable performance
Specifications
- 2,000,000 BTU
- 8,000,000 BTU capacity
- 220 Volt / 30-40 Amp / Single Phase
- Potable/Domestic or Hydronic/Comfort Heating options
- Multiple units can be mounted in series for greater capacity
Customization options:
- Domestic hot water storage tanks
- Manifolds for connecting multiple units
- Gas pressure regulators
- Hardware for natural gas or propane operation
- Remote monitoring options
Get a Hot Water Boiler Rental Quote
Industries We Serve
WARE's mobile and rental hot water boilers help organizations like yours get high volumes of hot water on demand.
Hospitals and Healthcare
WARE's temporary hot water boiler rentals help hospitals and healthcare facilities remain compliant, prioritize patient safety, and maintain sterilization during outages.
Detention Centers
WARE provides portable hot water boiler rentals to detention centers to support sanitation, showers, and food service when permanent systems fail.
Construction Sites
WARE offers temporary hot water boiler rentals for trailers, portable sanitation, and hydronic heating on job sites year-round.
Assisted Living and Hotels
WARE provides mobile hot water rentals that ensure residents and guests always have access to safe potable hot water.
Farms and Ranches
Our industrial hot water boiler rentals support farms and ranches with cleaning, animal care, and process water when on-site systems are down.
Industrial Facilities
WARE delivers industrial hot water boiler rentals that protect production lines and process systems from costly downtime.
Temporary Housing & Emergency Shelters
From disaster recovery camps to workforce housing, WARE's mobile hot water rentals provide reliable, safe, potable water and comfort for large groups during disasters and infrastructure failures.
Emergency and Planned Rentals
Emergency Rentals
When hot water systems fail, downtime can create compliance risks, unsafe conditions, and costly interruptions. WARE\'s emergency hot water boiler rentals are available with quotes in as little as one hour, backed by 24/7 support and nationwide delivery. Our experienced rental team has restored service for hospitals, industrial facilities, and construction sites across the country.
Planned Rentals
Many clients use rentals to support seasonal demand, construction projects, or facility upgrades. Planning ahead gives our engineers time to size equipment precisely, coordinate logistics, and ensure a seamless setup on site. WARE\'s planned rentals help facilities stay compliant, avoid project delays, and manage costs effectively.
Be Ready Before a Failure
Facilities that cannot risk downtime often rely on WARE\'s Rental Contingency Plan. This proactive option guarantees access to the right equipment when it is needed most, ensuring you are covered before an outage occurs.
Learn More About Our Rental Contingency Plan
What To Expect When You Request A Quote
Getting started is straightforward, and WARE's team is here to guide you every step of the way. With decades of experience providing rentals to hospitals, construction firms, and industrial facilities, we know what details matter to keep your project or facility online.
- Request a Quote: Submit your request online or call our 24/7 Support line at 1-800-904-WARE.
- WARE Review: A WARE representative reviews your specifications, like BTUs, supply and return temperatures, flow rate, and fuel type.
- System match: We identify the best rental unit for your facility, whether hydronic, domestic, or dual-use.
- Logistics and delivery: Our logistics team coordinates nationwide transport and setup to get you online quickly.
- Ongoing support: Once installed, our 24/7 technical support team is available to troubleshoot, advise, and ensure your system continues to operate reliably until your equipment is restored.
Frequently Asked Questions
Are WARE rentals safe for domestic potable water?
Yes. Unlike many rental providers, WARE never uses mild steel in potable water systems. All domestic rentals are built with stainless, brass, and bronze to ensure water safety and compliance.
How fast can I get an emergency hot water boiler rental?
In most cases, WARE can provide quotes in as little as one hour. With a nationwide fleet and 24/7 delivery, we routinely deploy emergency rentals to hospitals, industrial facilities, and construction sites within tight timelines.
What information do I need before requesting a quote?
To size your rental accurately, WARE engineers typically need BTUs, flow rate, supply and return temperatures, fuel type, and site conditions. If you are unsure about any of these, our team will walk you through what\'s required.
Can one rental provide both hydronic and domestic hot water?
Yes. WARE's plate and frame exchangers allow a single rental system to deliver both hydronic heating and potable water safely, with complete loop separation to prevent contamination.
Do you provide portable hot water boiler rentals for construction sites?
Yes. Our mobile hot water boiler rentals are frequently used on construction projects for temporary heating, air coils, jobsite trailers, and potable supply. These systems are designed for rugged environments and are supported by WARE technicians throughout the rental.
Are WARE rentals compliant with healthcare safety standards?
Yes. All potable systems are built with stainless, brass, and bronze to protect water quality and meet healthcare compliance requirements.
Get a Quote Today
Every hour without hot water costs more than the rental itself. That's why WARE delivers safe, flexible, and reliable hot water boiler rentals, backed by nationwide coverage, a dedicated engineering team, and more than 70 years of boiler experience.
- Call our 24/7 support line 1-800-904-WARE for immediate assistance
- Or request a quote online and get a response in as little as one hour
Get a Hot Water Boiler Rental Quote
HELPFUL RESOURCES
Learn more about mobile hot water boilers from WARE's extensive content library.
Mobile Hot Water Boiler Rental Videos
The Future of Mobile Heating Systems: Dual Water Supply Units … The Boiling Point
Hot Water Boiler Basics - Boiling Point
Putting Hot Water Boilers in Series to Increase Output - Boiling Point
Domestic Hot Water Boiler Installation Recommendations - Boiling Point
Inside A Mobile Hot Water Boiler at the National Horse Show - The Boiling PointWhat is a Hot Water Boiler? - Boiling Point
What is a Portable Hot Water Boiler - Boiling Point
Mobile Hot Water Boiler Rental Blog Articles:
What Boiler Rental Option is Right for My Needs?
The Right Rental For Every Boiler Situation
Let's Talk About Hot Water Boilers
-
Download
Boiler Maintenance Checklist
-
Recent Blog Posts
- Boiler Gas Regulators Explained: How They Control Pressure, Protect Combustion, and Improve Efficiency
- Boiler Auxiliary Equipment Explained: How Peripheral Systems Improve Efficiency, Performance, and Boiler Life
- Boiler Water Treatment Explained: How Water Quality Impacts Efficiency, Scale, and Boiler Life
- On-Site vs. Off-Site Boiler Training: Which Custom Boiler U Class Is Right for Your Company?
- Why WARE Is Your Single Source for Steam: Boilers, Rentals, Parts, Service & Training
-
Upcoming Events
We’re very active in the industry, so stop by and see us sometime.
- February 2-4, 2026 AHR Expo
- February 10-12, 2026 Boiler University 303 Class
- February 17-19, 2026 Boiler University 201 Class
-
WARE Newsletter
Sign up for our quarterly newsletter to stay in the know about all things steam.