10 Best Tankless Water Heaters Under $2500, Compared
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Finding the best tankless water heaters under $2500 requires looking at hard specs. We compared 10 models strictly by their published data. The Rinnai I-Series Plus Condensing Combi Boiler leads because it delivers 160,000 BTU for domestic hot water alongside 60,000 BTU for space heating. This dual-output capacity makes it ideal for multi-family projects. You will see how flow rates, venting types, and physical dimensions vary across natural gas, propane, and electric units. This guide helps you decide which unit fits your home’s infrastructure and hot water demands.
Quick picks
The best fit for you
- You need integrated heating and hot water Rinnai I-Series Plus Condensing Combi Boiler It is a 60K BTU combi boiler designed for multi-family heating.
- You want the highest flow rate available Rheem IKONIC 11.2 GPM Propane Tankless Water Heater It delivers 11.2 GPM with recirculation for large propane homes.
- You need a compact unit for indoor use Reliance 199,000 BTU Gas Tankless Water Heater It weighs only 8.5 pounds and measures 11 by 18 inches.
- You require a dedicated outdoor natural gas heater Noritz 7.5 GPM Outdoor Natural Gas Water Heater It provides 7.5 GPM in a vent-free outdoor design.
Our 10 picks
Rinnai I-Series Plus Condensing Combi Boiler
Best for: multi-family heating and hot water
- Fuel Type
- Natural Gas or Propane
- BTU
- 60K BTU / DHW 160K BTU
- Installation Location
- Indoor
- Certification
- 96% AFUE
- Dimensions
- 26.4 x 18.5 x 18.5 inches
- Use
- Boiler
View on Amazon: Rinnai I-Series Plus Condensing Combi Boiler
This Rinnai combi boiler delivers 60,000 BTU for space heating and 160,000 BTU for domestic hot water. It achieves a 96% AFUE rating, maximizing efficiency for natural gas or propane. The unit includes Smart Connect Wi-Fi and a front panel display for control. It is designed for indoor installation and supports common venting for up to eight units. This system suits multi-family housing or commercial settings requiring combined heating and hot water solutions.
Pros
- 96% AFUE rating for high energy efficiency
- Combines space heating and instant hot water
- Smart Connect Wi-Fi for remote management
- Supports common venting for up to 8 units
Cons
- Indoor installation only
- Larger footprint at 26.4 x 18.5 x 18.5 inches
- 79.4 pounds weight requires sturdy mounting
Good fit if
- You need both space heating and hot water
- You want high efficiency with 96% AFUE
- You are installing in a multi-family building
Skip if
- You require outdoor installation
- You need a dedicated water heater only
- You have limited wall space for a 26-inch unit
Verdict: Rinnai I-Series Plus 60k BTU Combi Boiler is a high-efficiency solution for those needing integrated heating and hot water. It fits multi-family housing or commercial projects where common venting and Wi-Fi control are priorities.
Rinnai SENSEI 11 GPM Tankless Water Heater
Best for: commercial spaces needing high flow
- Fuel Type
- Propane or Natural Gas
- Flow Rate
- 11 GPM
- BTU
- 199,000 BTU/hr
- Installation Location
- Indoor/Outdoor
- Dimensions
- 30.1 x 18.5 x 30.1 inches
- Use
- Commercial
The Rinnai CXP199iN delivers 199,000 BTU/hr and 11 GPM flow for commercial use. It runs on propane or natural gas and fits indoor or outdoor spots. Bluetooth control via the Rinnai Central app adds convenience. The unit weighs 63 pounds and measures 30.1 by 18.5 by 30.1 inches. This model suits heavy-duty applications requiring high output.
Pros
- 199,000 BTU/hr maximum output
- 11 GPM flow rate
- Bluetooth connectivity with Rinnai Central app
- Indoor and outdoor installation capability
Cons
- Commercial warranty limits heat exchanger to 8 years
- Heavy 63-pound build requires sturdy mounting
- No remote control listed in specifications
Good fit if
- You need high-volume hot water for commercial spaces
- You want Bluetooth app control for monitoring
- You require indoor or outdoor flexibility
Skip if
- You need a residential-only unit
- You prefer a lighter, wall-mounted design
- You do not want app-based management
Verdict: Rinnai CXP199iN Commercial Tankless Heater offers serious power for businesses needing 11 GPM. It fits commercial settings where Bluetooth control and high BTU output matter most.
Rheem IKONIC 11.2 GPM Propane Tankless Water Heater
Best for: large propane homes with high demand
- Fuel Type
- Liquid Propane
- Flow Rate
- 11.2 GPM
- BTU
- 199,900 BTU/hr
- Installation Location
- Indoor
- Dimensions
- 28.6 x 17.3 x 13.7 inches
- Features
- WiFi
View on Amazon: Rheem IKONIC 11.2 GPM Propane Tankless Water Heater
This Rheem unit delivers 11.2 GPM of hot water using liquid propane. It features a 199,900 BTU burner and built-in recirculation to minimize wait times. The compact design allows for flexible indoor installation with minimal side clearance. You can control settings via Wi-Fi using the EcoNet app. This model suits large households needing high flow rates for multiple simultaneous uses.
Pros
- 11.2 GPM flow rate with recirculation
- 199,900 BTU heating capacity
- Built-in EcoNet Wi-Fi control
- Compact size with 1/2 inch side clearance
Cons
- Indoor installation only
- Requires liquid propane fuel
- Heavier at 86 pounds
Good fit if
- You need high flow for multiple bathrooms
- You have a propane supply
- You want smart home integration
Skip if
- You need outdoor installation
- You use natural gas
- You prefer a lighter unit
Verdict: Rheem IKONIC 11.2 GPM Propane is a high-output option for propane users. It fits homes requiring significant simultaneous hot water. The Wi-Fi feature adds convenience for monitoring usage.
Rheem IKONIC 10.1 GPM Natural Gas Tankless Water Heater
Best for: Large indoor homes needing high flow
- Fuel Type
- Natural Gas
- Flow Rate
- 10.1 GPM
- BTU
- 180,000 BTUs
- Installation Location
- Indoor
- Dimensions
- 28.6 x 17.3 x 13.7 inches
- Features
- WiFi
View on Amazon: Rheem IKONIC 10.1 GPM Natural Gas Tankless Water Heater
This indoor natural gas unit delivers 10.1 GPM with 180,000 BTUs. It includes built-in recirculation to reduce water waste and EcoNet Wi-Fi for remote control. The compact design allows for flexible installation with minimal side clearance. It suits households needing high flow rates and smart monitoring capabilities for efficient hot water management.
Pros
- 10.1 GPM flow rate with recirculation
- 180,000 BTU heating capacity
- Built-in EcoNet Wi-Fi connectivity
- Compact 17.3-inch width
Cons
- Indoor installation only
- Heavier at 86 pounds
- No outdoor capability without conversion kit
Good fit if
- You need high flow rates for multiple bathrooms
- You want smart monitoring via Wi-Fi
- You have indoor space for installation
Skip if
- You require outdoor installation
- You prefer propane fuel
- You need a lighter unit for easy mounting
Verdict: Rheem IKONIC 10.1 GPM Natural Gas Heater offers strong performance for large homes. It fits buyers who prioritize flow rate and smart features over outdoor versatility.
Noritz 7.5 GPM Outdoor Natural Gas Water Heater
Best for: outdoor natural gas installations
- Fuel Type
- Natural Gas
- Flow Rate
- 7.5 GPM
- BTU
- 199,000 BTU
- Installation Location
- Outdoor
View on Amazon: Noritz 7.5 GPM Outdoor Natural Gas Water Heater
The Noritz NR98-OD is a natural gas tankless water heater built strictly for outdoor use. It delivers 7.5 GPM at 199,000 BTU with 84% thermal efficiency. The unit requires no venting and activates at a low .05 GPM flow rate. Its onboard computer system handles diagnostics. This model suits you if you need a durable outdoor unit without complex venting infrastructure.
Pros
- 199,000 BTU heating power
- 7.5 GPM flow rate
- No venting required
- 84% thermal efficiency
- Self-diagnostic computer system
Cons
- Limited to outdoor installation only
- Lower flow rate than competitors
- Natural gas fuel type only
Good fit if
- You need a unit for outdoor installation
- You want to avoid venting requirements
- You use natural gas for heating
Skip if
- You require indoor installation
- You need propane fuel compatibility
- You need high flow rates above 7.5 GPM
Verdict: Noritz NR98-OD 7.5 GPM Outdoor Gas Heater is a solid choice for outdoor natural gas setups. It fits you if you need a vent-free outdoor unit with moderate flow capacity.
Bosch Natural Gas Tankless Water Heater
Best for: Indoor homes needing high flow and flexible venting
- Fuel Type
- Natural Gas
- Flow Rate
- 8.3 GPM at 35F rise
- BTU
- 175,000 BTU/hr max input
- Dimensions
- 30.5 x 17.9 x 11.3 in
- Weight
- 80 pounds
This Bosch 830 ES unit delivers 8.3 gallons per minute at a 35°F temperature rise, powered by 175,000 BTUs of natural gas. It achieves over 83% thermal efficiency. The compact design measures 30.5 by 17.9 by 11.3 inches and weighs 80 pounds. You can vent it vertically or horizontally using 3-inch or 4-inch stainless steel pipes. It suits homes needing reliable indoor hot water with flexible installation options.
Pros
- 8.3 GPM flow rate at 35°F rise
- 175,000 BTU max input for strong heating
- 83%+ thermal efficiency for energy savings
- Flexible vertical or horizontal venting
Cons
- 80-pound weight requires sturdy mounting
- Indoor installation only, not outdoor rated
- Natural gas fuel type limits portability
Good fit if
- You need a high-flow unit for multiple bathrooms
- You have existing natural gas lines
- You want flexible venting directions
Skip if
- You require outdoor installation
- You need propane fuel compatibility
- You prefer a lighter unit under 50 pounds
Verdict: Bosch 830 ES Natural Gas Tankless Heater provides strong flow and efficiency for indoor residential use. It fits homes with natural gas access that need reliable hot water for multiple fixtures.
Bosch 9.4 GPM Natural Gas Tankless Water Heater
Best for: High flow needs with flexible venting
- Fuel Type
- Natural Gas
- Flow Rate
- 9.4 GPM at 35F rise
- BTU
- 199,000 BTU/hr max input
- Dimensions
- 31 x 18 x 12 in
- Weight
- 76 pounds
View on Amazon: Bosch 9.4 GPM Natural Gas Tankless Water Heater
The Bosch 940 ES delivers 199,000 BTU/hr of heating power. It provides 9.4 GPM at a 35F temperature rise. This non-condensing unit vents vertically or horizontally. You can use 3-inch or 4-inch stainless steel piping. It measures 31 x 18 x 12 inches. This model suits homes needing high flow rates without condensing technology.
Pros
- 199,000 BTU/hr max input
- 9.4 GPM flow rate at 35F rise
- Flexible vertical or horizontal venting options
- Uses standard 3 or 4 inch stainless steel venting
Cons
- Non-condensing design reduces efficiency compared to condensing models
- Heavier at 76 pounds than many compact units
- Larger footprint requires more installation space
Good fit if
- You need high flow rates for multiple bathrooms
- You prefer non-condensing units for easier venting
- You have space for a 31 inch tall unit
Skip if
- You want the highest energy efficiency ratings
- You have limited space for a 76 pound unit
- You need a condensing model for low-temperature exhaust
Verdict: Bosch 940 ES Natural Gas Tankless Heater offers strong 199,000 BTU performance for high-demand households. It fits homes prioritizing flow rate and flexible venting over maximum efficiency.
Bosch Therm Propane Tankless Water Heater, 8.3 GPM
Best for: Propane homes needing flexible venting
- Fuel Type
- Propane
- Flow Rate
- 8.3 GPM at 35F rise
- BTU
- 175,000 BTU/hr max input
- Dimensions
- 30.5 x 17.9 x 11.3 in
- Weight
- 80 pounds
View on Amazon: Bosch Therm Propane Tankless Water Heater, 8.3 GPM
The Bosch 830 ES LP is a propane tankless water heater with a 175,000 BTU max input. It delivers 8.3 GPM at a 35F rise. The unit weighs 80 pounds and measures 30.5 x 17.9 x 11.3 inches. It offers 83%+ thermal efficiency. You can vent it vertically or horizontally using 3 or 4 inch stainless steel pipe. This model suits homes needing reliable propane heating.
Pros
- 175,000 BTU max input capacity
- 8.3 GPM flow rate at 35F rise
- 83%+ thermal efficiency rating
- Flexible vertical or horizontal venting options
Cons
- Propane fuel type limits indoor installation options
- 80 pound weight requires sturdy mounting
- No remote control or app connectivity listed
Good fit if
- You need a propane-powered unit
- You want flexible venting directions
- You require high thermal efficiency
Skip if
- You only use natural gas
- You need smart home integration
- You prefer a lighter unit
Verdict: Bosch 830 ES LP 175k BTU Propane Heater provides strong propane performance with flexible venting. It fits homes that already use propane and need high efficiency.
MDMprint 480V Undersink Electric Tankless Heater
Best for: commercial undersink heating with 480V power
- Fuel Type
- Electric
- Installation Location
- Undersink
- Voltage
- 480VAC
- Use
- Under Sink, Commercial
View on Amazon: MDMprint 480V Undersink Electric Tankless Heater
This MDMprint unit is a 480VAC commercial electric tankless water heater designed for undersink installation. It uses a triple replaceable nickel chrome cartridge insert for durability. The device operates on three-phase power, making it suitable for specific commercial or high-demand residential setups. It is built in the United States. You should consider this if you need a dedicated, high-voltage solution for a sink rather than a whole-house system.
Pros
- 480VAC three-phase voltage input
- Triple replaceable nickel chrome cartridge elements
- Designed for undersink installation
Cons
- Requires 480VAC three-phase power, limiting residential compatibility
- Undersink form factor restricts use to single-point applications
- No flow rate or GPM specifications provided in data
Good fit if
- You have a commercial kitchen or workshop requiring a dedicated undersink heater
- You have access to 480VAC three-phase electrical service
- You need a durable unit with replaceable heating elements
Skip if
- You are looking for a whole-house water heater
- Your home only has standard 120V or 240V residential electrical service
- You need a unit with a specified gallons-per-minute flow rate
Verdict: MDMprint 480V Commercial Electric Undersink Heater is a specialized solution for users with three-phase power who need a dedicated undersink heating source. It suits commercial environments or specific residential applications where high-voltage infrastructure is already present.
Reliance 199,000 BTU Gas Tankless Water Heater
Best for: High-output residential needs with fuel flexibility
- Fuel Type
- Natural Gas, Propane
- BTU
- 199,000 BTU
- Installation Location
- Indoor/Outdoor
- Dimensions
- 11 x 11 x 18 inches
- Weight
- 8.5 pounds
View on Amazon: Reliance 199,000 BTU Gas Tankless Water Heater
The Reliance X3-199 delivers 199,000 BTU of heating power for on-demand hot water. It features an 8.5-pound compact frame measuring 11 x 11 x 18 inches. This unit supports both natural gas and propane fuel types. It includes a digital display for dual recirculation scheduling. The heat exchanger is protected by X3 Scale Prevention Technology. It is suitable for indoor or outdoor installation.
Pros
- 199,000 BTU output capacity
- Field convertible between natural gas and propane
- Built-in digital display with dual recirculation programming
- X3 Scale Prevention Technology for heat exchanger protection
- Compact 8.5-pound weight for easy mounting
Cons
- Lower BTU output than the 199k BTU Rinnai CXP199iN and Rheem IKONIC models on this list
- No specific GPM rating provided in the data
- Remote control capability is listed but not included as a standard feature
Good fit if
- You need a high-output heater for a large household
- You want flexibility to switch between natural gas and propane
- You prefer a lightweight unit for simple mounting
Skip if
- You require a specific flow rate (GPM) for multiple simultaneous showers
- You want a model with a higher BTU rating than 199,000
- You need a unit with a longer heat exchanger warranty than 15 years
Verdict: Reliance X3-199 Natural Gas Tankless Heater offers solid 199,000 BTU performance with fuel flexibility. It fits buyers who need a versatile, compact unit for high-demand households.
Specifications side by side
| Spec | Rinnai I-Series Plus Condensing Combi Boiler | Rinnai SENSEI 11 GPM Tankless Water Heater | Rheem IKONIC 11.2 GPM Propane Tankless Water Heater | Rheem IKONIC 10.1 GPM Natural Gas Tankless Water Heater | Noritz 7.5 GPM Outdoor Natural Gas Water Heater | Bosch Natural Gas Tankless Water Heater | Bosch 9.4 GPM Natural Gas Tankless Water Heater | Bosch Therm Propane Tankless Water Heater, 8.3 GPM | MDMprint 480V Undersink Electric Tankless Heater | Reliance 199,000 BTU Gas Tankless Water Heater |
|---|---|---|---|---|---|---|---|---|---|---|
| Fuel Type | Natural Gas or Propane | Propane or Natural Gas | Liquid Propane | Natural Gas | Natural Gas | Natural Gas | Natural Gas | Propane | Electric | Natural Gas, Propane |
| Flow Rate | not specified | 11 GPM | 11.2 GPM | 10.1 GPM | 7.5 GPM | 8.3 GPM at 35F rise | 9.4 GPM at 35F rise | 8.3 GPM at 35F rise | not specified | not specified |
| BTU | 60K BTU / DHW 160K BTU | 199,000 BTU/hr | 199,900 BTU/hr | 180,000 BTUs | 199,000 BTU | 175,000 BTU/hr max input | 199,000 BTU/hr max input | 175,000 BTU/hr max input | not specified | 199,000 BTU |
| Installation Location | Indoor | Indoor/Outdoor | Indoor | Indoor | Outdoor | not specified | not specified | not specified | Undersink | Indoor/Outdoor |
| Voltage | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 480VAC | not specified |
| Certification | 96% AFUE | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Dimensions | 26.4 x 18.5 x 18.5 inches | 30.1 x 18.5 x 30.1 inches | 28.6 x 17.3 x 13.7 inches | 28.6 x 17.3 x 13.7 inches | not specified | 30.5 x 17.9 x 11.3 in | 31 x 18 x 12 in | 30.5 x 17.9 x 11.3 in | not specified | 11 x 11 x 18 inches |
| Use | Boiler | Commercial | not specified | not specified | not specified | not specified | not specified | not specified | Under Sink, Commercial | not specified |
| Venting Type | Condensing | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Features | not specified | not specified | WiFi | WiFi | not specified | not specified | not specified | not specified | not specified | not specified |
| Weight | 79.4 pounds | 63 pounds | 86 pounds | 86 pounds | not specified | 80 pounds | 76 pounds | 80 pounds | not specified | 8.5 pounds |
| Size | 60K BTU / DHW 160K BTU | 11 GPM | 11.2 GPM (w Recirc) | 10.1 GPM (w Recirc) | 7.5 GPM | not specified | not specified | not specified | not specified | not specified |
| Color | Gray | Silver | Gray | Gray | Beige | Gray | Gray | Gray | not specified | White |
| Model | IP060160C | CXP199iN | RECTGH-SR11iP | RECTGH-SR10iN | NR98-OD NG | 830 ES NG | 940 ES NG | 830 ES LP | not specified | X3-199 |
Trade-offs in this price range
Models under $2500 offer high output but require specific infrastructure. You often choose between gas, propane, or specialized electric power. Flow rates vary from 7.5 to 11.2 GPM. Venting needs differ, with some units requiring condensing setups. Installation location matters, as outdoor models need weather protection. Commercial undersink units demand 480V three-phase power. You must match these specs to your home’s existing utilities to avoid costly upgrades.
- High flow rates like 11.2 GPM require robust gas lines.
- Condensing boilers need specific venting for moisture management.
- 480V electric heaters need specialized three-phase electrical circuits.
- Outdoor units require weather-resistant installation spaces.
If you plan outdoor installations, you can evaluate the best pergolas under 2500 by frame materials, dimensions, and snow ratings.
How We Selected These Units
We gathered tankless water heaters priced under $2500 from Amazon listings. The list includes only one size per product family. We order items by availability first, then by overall rating weighted by count, and finally by how well the specs meet your criteria.
All details come from published specifications on the listings. We do not handle or test products. Prices and stock status update live daily. A unit stays in this guide only while its price remains under $2500. The list may change as market prices shift.
How to choose the right one
-
Check your fuel source
Match the unit to your existing fuel line. Natural gas models like the Bosch 830 ES NG suit homes with gas access. Propane units, such as the Rheem IKONIC, work for existing propane tanks. If you have three-phase power, consider the MDMprint 480V undersink heater. Electric units require specific voltage. Gas and propane options offer higher flow rates. Choose based on what is already installed at your location.
-
Match flow rate to demand
Flow rate determines how many fixtures run at once. The Rinnai SENSEI delivers 11 GPM for commercial or high-demand homes. The Rheem IKONIC Propane offers 11.2 GPM with recirculation. Smaller homes may prefer the Noritz 7.5 GPM outdoor unit. Higher GPM means more simultaneous usage. Check your household size and fixture count. Select a unit that meets your peak water demand without reducing pressure or temperature.
-
Verify installation location
Placement affects venting and power needs. Indoor units like the Bosch 940 ES NG require proper ventilation. Outdoor models, such as the Noritz NR98-OD, handle weather exposure. The MDMprint heater fits under sinks for dedicated heating. Consider space constraints and accessibility. Some units are compact, like the Reliance X3-199. Others are larger, like the Rinnai I-Series Plus. Ensure your chosen location supports the required venting and clearances.
-
Understand venting requirements
Venting type impacts installation complexity. Condensing units, like the Rinnai I-Series Plus, often allow flexible venting. Non-condensing gas models may need specific exhaust setups. Outdoor units often have sealed combustion. Check the manufacturer specifications for venting clearances. Proper venting ensures safety and efficiency. Incorrect installation can void warranties. Review the venting requirements before selecting a model. This step is critical for both indoor and outdoor placements.
-
Assess physical dimensions
Size matters for installation space. The Reliance X3-199 is compact at 11 inches wide. The Rinnai SENSEI is taller at 30.1 inches. The Bosch 830 ES NG weighs 80 pounds. Measure your installation area carefully. Ensure adequate clearance for maintenance. Check weight limits for mounting surfaces. Larger units may offer higher capacity. Compact units fit tight spaces. Compare width, height, and depth to your available area.
Frequently asked questions
Can a tankless water heater under $2500 heat my home too?
Yes, if you choose a combi boiler. The Rinnai I-Series Plus Condensing Combi Boiler provides 60,000 BTU for space heating and 160,000 BTU for domestic hot water. This integrated design suits multi-family housing or commercial projects where common venting is a priority. It combines both functions in one unit.
What is the highest flow rate available in this price range?
The highest flow rate is 11.2 gallons per minute. The Rheem IKONIC 11.2 GPM Propane model achieves this with recirculation. The Rinnai SENSEI 11 GPM Tankless Water Heater is also a top contender for commercial spaces. These high-output units support multiple simultaneous fixtures in large homes.
Do I need a special power source for electric tankless heaters?
Yes, specialized electric units often require high-voltage infrastructure. The MDMprint 480V Undersink Electric Tankless Heater is designed for commercial undersink heating with 480V power. It suits environments where three-phase power is already present. Standard residential circuits may not support this specific high-voltage requirement.
Which unit is best for outdoor installation?
The Noritz 7.5 GPM Outdoor Natural Gas Water Heater is built for outdoor use. It is a vent-free outdoor unit with moderate flow capacity. This model fits natural gas setups where indoor space is limited. It provides reliable hot water for exterior or garage applications without complex venting.
Are smart features common in these tankless water heaters?
Several models include Wi-Fi or Bluetooth connectivity for monitoring. The Rheem IKONIC series offers Wi-Fi for usage tracking. The Rinnai SENSEI 11 GPM model features Bluetooth control. These smart features allow you to manage the unit remotely, which is convenient for monitoring performance and settings.
Can I use propane with flexible venting options?
Yes, several propane models offer flexible venting. The Bosch Therm Propane Tankless Water Heater provides strong propane performance with flexible venting capabilities. It suits homes that already use propane and need high efficiency. This flexibility simplifies installation by allowing various venting configurations for your specific layout.
How compact is the Reliance gas tankless water heater?
The Reliance X3-199 is notably compact and lightweight. It measures 11 inches wide and 18 inches high, weighing only 8.5 pounds. This small footprint makes it suitable for high-output residential needs where space is tight. It offers 199,000 BTU performance in a very small package.
Which brand offers the best overall performance for multi-family use?
The Rinnai I-Series Plus is ranked best overall for this application. It delivers 160,000 BTU for domestic hot water, making it ideal for multi-family heating and hot water demands. Its condensing design ensures high efficiency. This unit is specifically designed for projects requiring integrated heating solutions.