How efficient is the Lochinvar Noble NKC?

The Lochinvar Noble NKC operates at 95% AFUE (Annual Fuel Utilization Efficiency), meaning 95% of the fuel it consumes is converted directly into heat for your home. This is considered a high-efficiency boiler that can qualify for PSEG Long Island rebates.

How much does the Lochinvar Noble NKC cost to install?

The Lochinvar Noble NKC typically costs $6,000 - $10,000 for a complete installation in Nassau County, NY. This includes the boiler unit, professional installation by NATE-certified technicians, permits, and a standard warranty. Actual costs may vary based on your home's specific requirements, piping condition, and any necessary modifications.

Is the Lochinvar Noble NKC worth it?

With 95% AFUE efficiency, you can expect to save approximately $221 annually compared to an 80% efficient boiler. Key features like Fire-tube design and CON-X-US connectivity make it a compelling choice. It's particularly well-suited for large multi-zone colonials needing premium performance.

What is the warranty on the Lochinvar Noble NKC?

Lochinvar provides a 5 years parts warranty and 15 years on the heat exchanger. For the best warranty protection, we recommend registering your boiler within 60 days of installation. Our installations include a workmanship guarantee on top of the manufacturer warranty.

How long does the Lochinvar Noble NKC last?

With proper maintenance, the Lochinvar Noble NKC should last 15-25 years or more. Premium-tier boilers like this one often exceed these expectations due to higher-quality components. We recommend annual tune-ups to maximize lifespan and maintain peak efficiency.

Does the Lochinvar Noble NKC qualify for PSEG Long Island rebates?

Yes! The Lochinvar Noble NKC with 95% AFUE qualifies for PSEG Long Island's efficiency rebates of $500-$1,000. We handle the rebate paperwork for all our Nassau County installations.

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Premium

Lochinvar Noble NKC

Model Number: NKC

View on Lochinvar Website

Premium condensing boiler with connected technology and commercial heritage.

95% AFUE

Condensing Boiler

55k - 285k BTU

Get Free Quote (516) 345-3911

Technical Specifications

Efficiency (AFUE)95%

Boiler Typecondensing

BTU Output Range55k - 285k BTU

PSEG Rebate EligibleYes ($500-$1,000)

Fuel TypeNatural Gas

Installed Price$6,000 - $10,000

*Prices include equipment, installation, and standard warranty. Actual cost may vary.

Estimated Annual Savings

Compared to an 80% efficient boiler

$221

per year

$4420

over 20 years

Get Your Custom Quote

Ideal For

Large multi-zone colonials needing premium performance

Expert Review: Lochinvar Noble NKC

The Lochinvar Noble NKC brings commercial pedigree to a more accessible price point. At 95% AFUE with output up to 285,000 BTU, this fire-tube condensing boiler handles larger Nassau County colonials and multi-zone applications. CON-X-US connectivity allows remote monitoring and diagnostics—valuable for second homeowners or property managers.

American manufacturing in Tennessee ensures consistent quality and domestic parts availability. The fire-tube design pioneered by Lochinvar provides exceptional efficiency and durability.

The 15-year heat exchanger warranty matches the flagship Knight, providing confidence in the long-term investment. Modulating operation eliminates the short-cycling that wastes fuel in oversized installations.

Best suited for homes exceeding 3,000 square feet with multiple heating zones. For smaller applications, the Lochinvar Crest provides entry-level access to the brand.

Our recommendation: The Noble NKC is ideal for homeowners who want Lochinvar's commercial quality without the Knight's flagship pricing. Perfect for larger multi-zone colonials and small estates.