CondensingResidentialHigh-Efficiency
Lochinvar KNIGHT
Wall-hung and floor-standing condensing boilers for homes and light commercial.
94–96% AFUE$3,600 – $7,200 installed3 models
KNIGHT models
CondensingENERGY STAR
KNIGHT WHN085
AFUE
95%
Output
80k BTU
Turndown
5:1
Warranty
12 years
Installed from
$5,600
High-EfficiencyENERGY STAR
KNIGHT WHN155
AFUE
95%
Output
147k BTU
Turndown
5:1
Warranty
12 years
Installed from
$6,200
Commercial
KNIGHT XL 400
AFUE
94%
Output
375k BTU
Turndown
5:1
Warranty
10 years
Installed from
$12,000
Other Lochinvar series
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