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Navien Tankless Water Heater Sales & Services

Bel-O Cooling & Heating is excited to be an authorized dealer for Navien brand tankless water heaters. We insist on using top-quality, reliable products and equipment for the jobs we handle, which is why we carry Navien and recommend it whenever possible. Whether you have a large home or a small condo, Navien tankless water heaters can supply all the hot water that your household needs. Find the right one for your property by calling (618) 400-0905 now!

Navien Residential Combi-Boilers

Navien is considered a global leader in tankless water heaters and combi-boilers. If you are looking for not just a new water heater but also a futuristic heating system for your home, then look no further than Navien.

What can a Navien system do?

  • Unlimited hot water: The expertly engineered systems can provide endless hot water on demand. Without a tank, a Navien tankless water heater pushes water through an integrated heating system, which is efficient enough to reach the set temperature in an instant. As long as your home has running water, you will have hot water thanks to a Navien system.
  • Whole-home heating: Navien NCB-H and NFC-H Series systems can provide whole-home heating solutions, not just hot water from various water outlets. It works by running hot water through pipes installed throughout the walls, floors, and ceilings of your home, much like a series of radiators hidden out of sight. The Navien can create endless hot water, too, so you never have to worry about the system running out and making your home cold.

Navien tankless water heater systems are famous for their compact design, too. If you have a water heater, then you should have space for a Navien model—and then some.

Schedule Navien Product Services Today

Bel-O Cooling & Heating is proud to offer Navien services throughout Belleville. You can call us for installations, maintenance, and repairs. Not sure if you want a Navien or a different water heater for your home? Not a problem! We love getting a chance to talk with our customers about various products and options. There is sure to be something that meets and exceeds your expectations.

Don’t forget: We are an authorized Navien product dealer. You can buy the Navien system for your home and arrange to have it installed under one roof. Talk about convenience!

Please call (618) 400-0905 or contact us online to learn more about Navien products.

  • HomeAdvisor Screened & Approved
  • BBB A+ Accredited Business
  • Carrier Factory Authorized Dealer
  • Carrier President's Award
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  • Sheet Metal Workers' International Association
  • Southern Illinois Builders Association
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  • Plumbers & Pipefitters Local 101 - Belleville, Illinois
  • Daikin DCP Accredited
  • "Loran Scharf came by to service our heating system for the winter and drain the hot water tank"

    Loran Scharf came by to service our heating system for the winter and drain the hot water tank. Loran is very professional and does excellent work. He's been the person to do our service since we moved into our home in 2019 and we always ask for him. Hope Bel- O appreciates that they have a great representative of their company!

    - Barbara & Jim Hicks
  • "Couldn't wish for a better company and employee to service my home heating and cooling."

    Couldn't wish for a better company and employee to service my home heating and cooling. Appointments are made with only a minimal wait, calls ahead of arrival and professional service by employees make me call this company each year. Loren Is the BEST.
    - Karen H.
  • "Jason was professional and courteous."

    Jason was professional and courteous. He listened to what the problem was and then explained what he needed to do to fix it. He answered all my questions and cleared the clogged basement drain. He also recommended what I could do to help keep the drain clear in the future. Thank you Jason!
    - Sue S
  • "They replaced my sump pump."
    They replaced my sump pump. They came in the day I called, did the work quickly and well, with a better product than I had before. Very friendly. Explained what they were doing.
    - Rick H.
  • "Anthony thoroughly checked the gas water heater for proper operation"
    Anthony thoroughly checked the gas water heater for proper operation and lit the pilot light. He took time to answer our questions and investigated what caused the issue. He was friendly and helpful. We appreciate the great service.
    - Becky G
  • "Jason was on time, polite, and professional."

    Jason was on time, polite, and professional. He had the old water heater out and the new one installed very quickly and efficiently. There was minimum disruption to our household, and we were back to functional in no time and no inconvenience.
    - Wayne S
  • "What a great value for the peace of mind!"
    We recently had a technician out to do a maintenance and cleaning of our furnace.The experience was great as he took his time to clean and inspect the system and to go over any findings/recommendations he had for us. We took advantage of the great maintenance plan they offer and look forward to having them back out in the spring to maintenance the AC. What a great value for the peace of mind!
    - Stephanie S.
  • "Wonderful to work with. Fast and very professional."

    Wonderful to work with. Fast and very professional. Mitch the tech was very nice and did a great job. Thank you so much!

    - Karen B.

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  • Third Generation, Family-Owned Since 1959

    Our grandfather started this business to serve his community decades ago, and we take the same pride in that service. 

  • Decades and Decades of Industry Experience

    Since we opened, we've prioritized expertise in both traditional and innovative industry practices to serve you better. 

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    We want to provide you with a number of solutions and help you pick the right one for you, not the right one for us. 

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    From keeping the air in your home safe and cool to manufacturing sheet metal, you are in capable hands.