Vaillant Commercial Boiler Installation in Chicago
Vaillant Commercial is a European leader in high-efficiency commercial heating systems. Their ecoTEC and ecoCOMPACT series condensing boilers deliver up to 109% gross thermal efficiency and are trusted in Chicago's schools, hotels, and large commercial buildings.
Why D's Air & Heating, Inc. Installs Vaillant Commercial Boilers
Vaillant's ecoTEC commercial series features stainless steel heat exchangers, modulating burners, and advanced controls for maximum efficiency and comfort. Their cascade system capability allows multiple units to work together for large buildings with variable heating demands.
Vaillant Commercial Boiler
Vaillant ecoTEC commercial condensing boilers achieve up to 109% gross thermal efficiency — among the highest available for commercial applications.
Vaillant Commercial Boiler
Premium stainless steel heat exchanger resists corrosion and extends service life — built for the demands of commercial operation.
Vaillant Commercial Boiler
Vaillant modulating burners adjust output to match demand — maximum comfort and minimum fuel waste across all load conditions.
Vaillant Commercial Boiler
Direct vent with standard PVC pipe — no expensive stainless liner required, even on large commercial cascade installations.
Vaillant Commercial Boiler
Trusted in Chicago schools, hotels, office buildings, and large commercial facilities for their efficiency and reliability.
Vaillant Commercial Boiler
Multiple ecoTEC units can be cascaded for large buildings — scalable capacity with built-in redundancy and load balancing.
Vaillant Commercial — Available Models
Installed prices include equipment, labor, permits, startup, and commissioning.
Vaillant Commercial
ecoTEC pro VU 806/5-5
Condensing Hot Water
Installed price includes equipment, labor, permits, startup & commissioning
Vaillant Commercial
ecoTEC plus VU 1206/5-5
Condensing Hot Water
Installed price includes equipment, labor, permits, startup & commissioning
Vaillant Commercial
ecoCOMPACT VSC 306/4-5
Condensing Combi
Installed price includes equipment, labor, permits, startup & commissioning
Vaillant Commercial
Cascade System (4× ecoTEC)
Cascade Condensing
Installed price includes equipment, labor, permits, startup & commissioning
Service Call Policy — D's Air & Heating, Inc.
- The service call fee covers travel and full diagnostics only.
- The service call fee is not deducted from the total cost of any repair or installation.
- After diagnostics, we provide clear repair or replacement options with upfront, itemized pricing.
- Once you approve the Maintenance Agreement, your 15% discount becomes active and is automatically applied to the repair or installation estimate.
- The 15% discount does not apply to the initial service call fee.
A $95.35 Service Call Fee is Required for All Service Appointments, Including Warranty Claims.
Compare Commercial Boiler Brands
See how Vaillant Commercial stacks up against Lochinvar Commercial, Bosch Industrial, and other commercial brands we install.
Ready for a Vaillant Commercial Quote?
Call us or book online. We'll assess your facility and provide a detailed commercial proposal.
IL License #2183457 · Serving Chicago & Surrounding Areas · No Contracts Required