The result is a reduction in energy consumption, lower co 2 emissions and low exhaust temperatures allowing the use of less expensive venting materials such as schedule 40 pvc. Navien condensing heating boilers have all key components designed and manufactured by navien in an automated manufacturing environment and backed by the industry leading warranties. Advanced water heating, hvac & water treatment solutions built on intelligent technology for lasting performance in residential & commercial environments. Professionals specify and install navien tankless water heaters and boilers for their ease of installation, ultra high efficiency and industry leading warranty. Navien technical support offers coast to coast coverage with two world class support centers and live technicians providing the help you need, when you need it.
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