When your business relies on hot water to operate smoothly, your water heater plays a more important role than you might think. At Payless Water Heaters, we understand the impact an efficient water heater has on your business. Whether you run a busy restaurant, manage a hotel, or own a salon or gym, the right commercial water heater can make all the difference.
From understanding sizing needs to energy efficiency, here’s what business owners should know about choosing and maintaining a reliable hot water system.
Why Size Matters in Commercial Water Heating
Getting the size right isn’t just a technical detail — it’s a business decision. A unit that’s too small may leave your business without enough hot water during peak times. One that’s too large can drive up energy bills and operating costs unnecessarily.
To determine the right size for your commercial water heater:
- Check your current unit’s gallon capacity on the manufacturer’s label.
- Measure the height, width and available installation space.
- Consider how many fixtures (sinks, showers, dishwashers) require hot water.
- Evaluate your busiest hours and total hours of operation.
Restaurants, for example, can use 2 gallons of hot water per meal served, with dishwashing accounting for over half of total usage. Gyms and hotels have high morning and evening demand, while offices tend to use far less overall.
Commercial vs. Residential Water Heaters: What’s the Difference?
Residential water heaters typically come in fewer size options and are built for steady, moderate use. Commercial water heaters, on the other hand, are designed to handle larger volumes and higher demand, often with added durability, higher recovery rates, and more complex venting requirements.
If you’re running a business that depends on consistent hot water, choosing a residential unit to save money upfront could cost you in the long run — in both performance and lifespan.
Types of Commercial Water Heaters To Consider
Choosing the right type of commercial water heater depends on your building layout, utility preferences and hot water needs. Common options include:
- Traditional tank water heaters – Store heated water for consistent supply, ideal for businesses with predictable demand.
- Tankless water heaters – Heat water on demand, offering energy efficiency and compact design (though may require multiple units for high demand).
- Hybrid water heaters – Combine tank and on-demand technologies, often using heat pumps for added efficiency.
- Gas vs. electric models – Gas is often favored for its fast heating capability, while electric units may offer simpler installation and lower emissions.
Efficiency and Energy Savings
High-efficiency models might come with a higher price tag, but they usually pay off with lower utility bills. Over time, those savings can add up — especially in businesses with constant hot water demand.
Look for models with ENERGY STAR® ratings or advanced features like smart sensors, modulation technology, or thermal efficiency ratings over 90%.
Commercial Water Heater Applications Across Industries
Commercial water heaters are critical in a wide range of businesses:
- Restaurants: Dishwashing, food prep and handwashing require steady hot water.
- Hotels and motels: Guest rooms, kitchens and laundry areas rely on multiple high-capacity units.
- Salons and spas: Stylists, estheticians and massage therapists need constant warm water.
- Gyms and fitness centers: Showers, hot tubs and saunas demand large volumes of hot water throughout the day.
- Apartment buildings: Multiple tenants need reliable hot water simultaneously.
Protect Your Investment With Routine Maintenance for Peak Commercial Performance
To protect your investment, routine service is a must. A professional commercial water heater inspection can help spot minor issues before they turn into costly breakdowns. Annual inspections also ensure your system is running efficiently and safely — especially if your unit operates under high demand or extreme usage conditions.
A trained technician will:
- Check for sediment buildup
- Inspect anode rods and valves
- Test temperature and pressure settings
- Assess energy efficiency and performance
Without proper maintenance, your water heater’s lifespan can be reduced — and no business owner wants to deal with unexpected downtime.
Make the Smart Choice for Your Business
Choosing the right commercial water heater isn’t just about what’s available — it’s about what your business truly needs. Between sizing, energy use and installation considerations, it pays to work with experienced professionals who specialize in commercial systems.
Does your business need a new hot water heater? Ask the experts at Payless Water Heaters. Our team has helped thousands of California businesses stay up and running with efficient, cost-effective water heating solutions.
Call or text Payless Water Heaters at 866.757.6335 for fast, reliable service.