*****NEW  Rinnai water heaters qualify for a $500.00 National Grid rebate for the R75 and $800.00 for the RC98    NEW*****

Tankless Water Heaters for Homeowners

Experience an endless supply of fresh hot water– for bathing, cooking, dishes, laundry, and all the other countless ways hot water enriches your life.

With a Rinnai tankless water heater, you’ll enjoy hot water when you need it – for as long as you want it!

Whether you’re building your new dream home-complete with luxurious spa bath and body spray system - or simply remodeling your current home, there’s a Rinnai tankless water heater ideal for your application. And every unit comes standard with the efficiency, performance and peace of mind that makes Rinnai the #1 tankless water heater brand in the U.S. market. 

• Endless hot water and up to 40% energy savings
• Flexible installation options and significant space savings
• Commercial-grade heat exchanger
• Clean, fresh hot water delivered at a consistent, safe temperature
• “Green” advantages, including lower greenhouse gas emissions
• Digital controls offer precise temperature control for safety and comfort
• Reduced risk of flooding, compared to traditional tank water heaters
• Life span of 20 years or more
• Industry leading 12-year limited warranty on heat exchanger

R75LSi

Enjoy fresh, endless hot water to as many as four plumbing and appliance demands simultaneously – all at a consistent, pre-set temperature.

Stop planning your mornings and evenings around your water heater. Set your own schedule, thanks to the R75LSi. Ideal for two- to three-bathroom homes, the R75LSi delivers up to 7.5 gallons of hot water per minute (GPM), while saving energy and money. Mount your compact R75LSi in virtually any room, and vent directly to the outside with a single wall or roof penetration.

• FEATURES
• SPECIFICATIONS
• DOCUMENTS
• ACCESSORIES
  
• ENERGY STAR qualified
• Sleek, modern design
• Commercial-grade heat exchanger
• Lightweight and compact
• Integrated condensate collector
• EZConnect™ (connects two units together)
• Meets California and Texas NOx emission standards
• Works with natural gas or propane
• Energy Factor of .82 for both gas types
• Integrated MC-91-1 digital controller with error code indicator
• Temperature range with controllers: 98°– 160°
• 12-year heat exchanger limited warranty for residential installations (5 years on parts, 1 year on labor)

Imagine endless hot water and lower energy bills.

You don't use hot water 24 hours a day. But, you're paying to heat water 24 hours a day. With a standard water heater, you heat and reheat the same water even when you're sleeping.

The Rinnai tankless water heater is a more efficient way to heat water. It heats water quickly and delivers an endless supply of hot water for as long as you need it. With the Rinnai tankless water heater, you only pay to heat water when you need it and for as long as you want it.

For more information on which unit may best suit your needs please visit

Did you know? Rinnai tankless water heaters...

• Produce and supply endless streams of hot water to multiple outlets simultaneously without any fluctuation in temperature
• Are up to 50 percent more energy efficient than a traditional natural gas water heater and up to 70 percent more efficient than an electric water heater
• Shut-off automatically when the water supply is closed, providing users with significant energy savings - in turn saving money on their utility bills
• Are compact wall mounted units with a life expectancy of 25 years, whereas hot water tanks require about 16 square feet of floor space and usually last around 10 years

Never run out of hot water again, and save up to 50% on your hot water energy costs. This compact interior unit is sealed combustion and can be mounted in a variety of space saving locations in your home. This unit provides excellent performance and a competitive price!

                  Nashua                                Merrimack                                           Litchfield

Rinnai Tankless Boiler/Water Heater

• Qualifies For $1200.00 National Grid Rebate
• ENERGY STAR qualified
• 96.1% AFUE rating
• Stainless steel primary boiler heat exchanger
• Copper nickel integrated secondary plate exchanger
• Compact wall-mounted design saves space over traditional boilers
• Integrated single-speed pump and expansion tank
• Super quiet operation
• Outdoor reset function with sensor included
• Plumbing kits with low-loss header included
• Available in Natural Gas or Propane
• Variety of venting options available
• ASME accredit units

Rinnai boiler in Nashua, NH

RINNAI WALL HEATERS

When winter sets in, there are certain rooms that get used less because of cold spots. But with the consistent and even heat provided by a Rinnai Ductless Heater, you can enjoy comfortable heat anywhere all winter long. Rinnai heaters are efficient and easy to install. And the innovative cool-to-the-touch cabinet makes it safe for the whole family.

For more information, please click on one of the links below:
Direct Vent Furnaces (Whole House Solutions)
Rinnai Direct Vent Furnaces are a distinctive, technologically-advanced alternative to traditional central heating systems. They are compact and less expensive than central furnaces, yet they can heat a whole house. Available in either natural gas or propane, Rinnai Direct Vent Furnaces come in a range of sizes and colors.

RHFE-263FA      H 26 5/8 W 16 3/4 D 9 13/16 5,500-11,000 NG 5,700-11,000 LP L = 55F
60F ~ 80F H = high combustion

RHFE-431FAIII      H 21 13/16 W 29 1/2 D 9 7/8 8,200-16,700 NG 8,200-16,700 LP L = 55F
60F ~ 80F H = high combustion

RHFE-431WTA*      H 21 13/16 W 29 1/2 D 9 7/8 8,200-16,700 NG 8,200-16,700 LP L = 55F
60F ~ 80F H = high combustion

RHFE-556FAIII      H 21 13/16 W 29 1/2 D 9 7/8 8,200-21,500 NG 8,200-20,700 LP L = 55F
60F ~ 80F H = high combustion

RHFE-556FAWTA*      H 21 13/16 W 29 1/2 D 9 7/8 8,200-21,500 NG 8,200-20,700 LP L = 55F
60F ~ 80F H = high combustion

RHFE-1004FA      H 26 3/8 W 36 5/8 D 13 10,500-38,400 NG 10,500-36,500 NG L = 55F
60F ~ 80F H = high combustion