All the hot water you need, for as long as you need it

On Demand Navien Tankless Water Heater

Hot water and whole house comfort from Navien

Navien offers a range of solutions to meet any homes water demand with the ultimate in efficiency ratings.

NPE-Advanced  – Our advanced high efficiency condensing tankless water heater technology with the only internal pump and buffer tank.

NPE-Standard – Our standard ultra condensing tankless technology with the industry’s top rated unit for energy efficiency.

NCB-E & NFC Series – Condensing Combi-boilers

Navien’s most popular NPE series condensing tankless water heaters deliver on demand and an endless supply of hot water for any size home. Besides providing hot water where and when it’s needed, Navien NPE series condensing tankless water heaters offer homeowners the following benefits:

  • Much more energy efficient than old fashioned tank systems
  • Go green and reduce CO₂ emissions
  • The highest energy efficiency in the industry — up to 0.97 UEF / 0.99 EF
  • Energy Star certified
  • Lower utility bills
  • Backed by the industry’s strongest warranty — 15 years on heat exchangers
  • Takes about 80% less space than old fashioned tank heaters
  • Longer lasting than tank heaters
  • Easy to use control panel
  • Elegant, clean appearance
  • Improves resale value
  • Ideal for replacements or new construction

Download the Navien NPE brochure.

Navien on-demand tankless water heater providing energy-efficient hot water for residential and commercial use. Navien NPE tankless water heater showing internal components and high-efficiency condensing technology for on-demand hot water.

A commitment to providing you the right service and products

Acorn Service Group has access to one of the most complete lines of water heater solutions and systems available. Navien offers the industry’s most advanced condensing tankless water heaters, condensing boilers and the first combi-boilers strong enough to support whole-house heating and hot water for larger homes.

No matter your homes hot water needs, we will always provide the best solution that suits your families demands.

Navien Tankless Water Heater: Backed by the industry’s strongest warranty — 15 years on heat exchangers

Dual stainless steel heat exchangers last longer than copper

Navien Water Heaters

Although we can install all major makes and models of on demand water heaters, our brand of choice is Navien.

We know hot water tanks and appreciate the high quality and unbeatable warranty of the Navien line. The Navien warranty will give you the peace of mind that this is the right water heater for your home.

Condensing technology reduces energy consumption and greenhouse gas emissions.

For homes with extra high demand, NPE Series units can be cascaded without an external control.

Dual high-efficiency tankless water heaters installed in a cascade configuration for increased hot water capacity and energy efficiency.
Navien NPE tankless water heater showing internal components and high-efficiency condensing technology for on-demand hot water.