How efficient is the Viessmann Vitodens 111-W?

The Viessmann Vitodens 111-W operates at 97% AFUE (Annual Fuel Utilization Efficiency), meaning 97% 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 Viessmann Vitodens 111-W cost to install?

The Viessmann Vitodens 111-W typically costs $7,500 - $12,000 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 Viessmann Vitodens 111-W worth it?

With 97% AFUE efficiency, you can expect to save approximately $245 annually compared to an 80% efficient boiler. Key features like Integrated DHW storage and 97% AFUE combi efficiency make it a compelling choice. It's particularly well-suited for smaller luxury homes needing combined heating and hot water.

What is the warranty on the Viessmann Vitodens 111-W?

Viessmann provides a 5 years parts warranty and 12 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 Viessmann Vitodens 111-W last?

With proper maintenance, the Viessmann Vitodens 111-W 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 Viessmann Vitodens 111-W qualify for PSEG Long Island rebates?

Yes! The Viessmann Vitodens 111-W with 97% 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

Viessmann Vitodens 111-W

Model Number: B1KA

View on Viessmann Website

German-engineered combi boiler providing both heating and domestic hot water.

97% AFUE

Combi Boiler

57k - 150k BTU

Get Free Quote (516) 345-3911

Technical Specifications

Efficiency (AFUE)97%

Boiler Typecombi

BTU Output Range57k - 150k BTU

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

Fuel TypeNatural Gas

Installed Price$7,500 - $12,000

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

Estimated Annual Savings

Compared to an 80% efficient boiler

$245

per year

$4900

over 20 years

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Ideal For

Smaller luxury homes needing combined heating and hot water

Expert Review: Viessmann Vitodens 111-W

The Viessmann Vitodens 111-W is the premium combi solution for smaller luxury homes. Combining heating and domestic hot water in one wall-mounted unit, this 97% AFUE combi eliminates the need for a separate water heater. Nassau County townhomes and smaller estates in Great Neck and Manhasset benefit from the space savings.

The integrated 46-gallon stainless steel storage tank provides instant hot water without the limitations of tankless systems. German engineering ensures consistent performance and the quiet operation expected in luxury settings.

Best suited for homes with 1-2 bathrooms and moderate hot water demand. Larger families or homes with multiple simultaneous showers may need the dedicated Vitodens 200-W with a separate indirect tank.

The 12-year heat exchanger warranty and 5-year parts coverage reflect Viessmann's commitment to quality. Annual maintenance is essential—we recommend scheduling with your fall tune-up.

Our recommendation: The Vitodens 111-W is perfect for space-conscious luxury homeowners in smaller homes or townhomes who want German engineering and the convenience of combined heating and hot water. The higher upfront cost is offset by eliminating the separate water heater.