Commercial Boilers
High-capacity power for buildings
Commercial boilers handle the large, varied heating loads of office buildings, apartment complexes, strata corporations, schools, and industrial facilities. They feature high BTU outputs, robust stainless or fire-tube construction, advanced cascade controls (linking multiple boilers), and redundancy for uptime. Proper sizing, staging, and a qualified mechanical contractor are essential for commercial installations.
Pros & considerations
Pros
- Very high BTU capacity
- Cascade & redundancy
- Advanced building controls
- Scalable to demand
- Long commercial service life
Considerations
- Significant capital cost
- Requires engineered design
- Professional commissioning needed
Is a commercial boiler right for you?
Commercial, institutional, or multi-unit residential buildings with large heating loads.
Best for
Get Commercial Boilers Quotes
Match with installers for this boiler type.
Top commercial boilers
Highest-rated commercial boiler models across all brands.
Vitocrossal 300 CU3A
AFUE
95%
Output
302k BTU
Turndown
4:1
Warranty
10 years
Installed from
$13,000
HC 33-199 G3
AFUE
95%
Output
189k BTU
Turndown
10:1
Warranty
12 years
Installed from
$8,400
Vitocrossal 100 CIB
AFUE
94%
Output
500k BTU
Turndown
5:1
Warranty
10 years
Installed from
$16,000
HC 45-399 G3
AFUE
95%
Output
379k BTU
Turndown
10:1
Warranty
12 years
Installed from
$13,000
FTXL 400
AFUE
96%
Output
383k BTU
Turndown
10:1
Warranty
12 years
Installed from
$14,000
GB162-80
AFUE
95%
Output
259k BTU
Turndown
5:1
Warranty
10 years
Installed from
$8,500
GB162-100
AFUE
95%
Output
324k BTU
Turndown
5:1
Warranty
10 years
Installed from
$10,000
KNIGHT XL 400
AFUE
94%
Output
375k BTU
Turndown
5:1
Warranty
10 years
Installed from
$12,000