ENERGY STAR Most Efficient 2014 — Boilers

ENERGY STAR Most Efficient in 2014The ENERGY STAR Most Efficient 2014 designation recognizes the most efficient products among those that qualify for the ENERGY STAR program. These exceptional gas and oil boilers represent the leading edge in energy efficient products this year. Access the full ENERGY STAR Most Efficient qualified products list in Excel.

Bosch Greenstar Series

Bosch Greenstar Series

Features:
The Bosch Greenstar boiler is small, ultra quiet, environmentally friendly, and uses fuel-efficient condensing technology to deliver an AFUE rating of 95%. The Greenstar is available in two models—combi (ZWB) for space and tankless water heating or the space heating (ZBR), which can be used with our DHW tanks. It features 10-Year Full / Limited Lifetime Heat Exchanger and Limited 5-Year Parts & Labor Warranties.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
ZBR 16-3 57 95 50 $525 $10,500 19%
ZBR 21-3 79 95 66 $693 $13,860 19%
ZBR 28-3 101 95 83 $872 $17,430 19%
ZBR 35-3 132 95 118 $1,239 $24,780 19%
ZBR 42-3 152 95 136 $1,428 $28,560 19%
ZWB 28-3 101 95 83 $872 $17,430 19%
ZWB 35-3 132 95 118 $1,239 $24,780 19%
ZWB 42-3 152 95 136 $1,428 $28,560 19%
Bradford White Brute Elite Series

Bradford White Brute Elite Series

Features:
The 95% Efficient (AFUE) Bradford White Brute™ Elite boiler features a condensing, multi-pass stainless steel heat exchanger, with an advanced modulating control system. Innovative design features simplify installation of the Brute Elite in both new and existing heating systems with AL29-4C, CPVC, PVC, or rigid Polypropylene vent material.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
BNTH105 80 95 66 $693 $13,860 19%
BNTH150 105 95 98 $1,029 $20,580 19%
BNTH210 150 95 134 $1,407 $28,140 19%
BNTH285 210 95 183 $1,922 $38,430 19%
BNTH105 285 95 291 $3,056 $61,110 19%
Bradford White Brute Elite 125 Series

Bradford White Brute Elite 125 Series

Features:
The Brute™ Elite 125 wall-mounted “combi” and “heating only” models are 95% efficient with the “combi” unit providing heat and up to 3.1 GPM of domestic hot water from a single appliance. Installation is simplified by only requiring a single gas connection, a single vent system, and an included built-in expansion tank and boiler circulator.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
BLMC125 125 95 117 $1,229 $24,570 19%
BLMH125 125 95 117 $1,229 $24,570 19%
Buderus GB142 Series

Buderus GB142 Series

Features:
Buderus GB142 Series Buderus GB142 Condensing Gas Boiler: Utilizing advanced condensing technology with an AFUE of 95%, the Buderus GB142 Wall-Mounted Condensing Boiler maximizes the heating value of every cubic foot of natural gas or liquid propane. By simplifying the piping with prefabricated low-loss header, the GB142 manifold allows for quicker, easier, and trouble-free installation.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
GB 142 24 84 95 66.4 $697 $13,944 19%
GB 142 30 106 95 99.9 $1,049 $20,979 19%
GB 142 45 161 95 133.6 $1,403 $28,056 19%
GB 142 60 215 95 184.1 $1,933 $38,661 19%
Burnham by U.S. Boiler Company Alpine Series

Burnham by U.S. Boiler Company Alpine Series

Features:
Alpine™ is a natural or LP gas-fired condensing water boiler with a stainless steel heat exchanger. Equipped with the Sage2.1™ boiler control system supporting multiple firing rates, the boiler also features outdoor reset and a touchscreen interface.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
ALP080B 80 95 64.5 $677 $13,545 19%
ALP105B 105 95 98.9 $1,038 $20,769 19%
ALP150B 150 95 132.8 $1,394 $27,888 19%
ALP210B 210 95 183.4 $1,926 $38,514 19%
ALP285B 285 95 217.3 $2,282 $45,633 19%
Carrier BMW Performance Series

Carrier BMW Performance Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
BWMAAN000050 50 95 48.7 $511 $10,227 19%
BWMAAN000075 75 95 65.5 $688 $13,755 19%
BWMAAN000100 100 95 82.4 $865 $17,304 19%
BWMAAN000150 150 95 131 $1,376 $27,510 19%
BWMAAN000200 200 95 180.7 $1,897 $37,947 19%
BWMAAN000299 299 95 224 $2,352 $47,040 19%
Dunkirk DKVLT Series

Dunkirk DKVLT Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
DKVLT-050 50 95 48.7 $511 $10,227 19%
DKVLT-075 75 95 65.5 $688 $13,755 19%
DKVLT-100 100 95 82.4 $865 $17,304 19%
DKVLT-150 150 95 131 $1,376 $27,510 19%
DKVLT-200 200 95 180.7 $1,897 $37,947 19%
DKVLT-299 299 95 224 $2,352 $47,040 19%
Dunkirk VX Series

Dunkirk VX Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique vertically oriented stainless steel heat exchanger with patent pending features, 5 to 1 turndown ratio, Fuel Saving Outdoor Reset, Polypropylene flue collector, gravity hinge jacket, wall mount space saving design, easy to operate text display control, 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
VX-050 50 95 48.7 $511 $10,227 19%
VX-075 75 95 65.5 $688 $13,755 19%
VX-100 100 95 82.4 $865 $17,304 19%
VX-150 150 95 131 $1,376 $27,510 19%
VX-200 200 95 180.7 $1,897 $37,947 19%
ECR International ECR97gb Series

ECR International ECR97gb Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertical stainless steel heat exchanger, 5:1 turndown ratio, a lightweight/compact wall mount or floor standing design, built-in primary/secondary piping, probe-type low water cut off, corrosion-resistant flue collector, easy-to-operate text display control, and a 15-Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
ECR97A-075 75 95 65.5 $688 $13,755 19%
ECR97A-100 100 95 82.4 $865 $17,304 19%
Energy Kinetics 90+ Resolute™ Series

Energy Kinetics 90+ Resolute™ Series

Features:
Exceptionally quiet combined heat and hot water system improves on 90+ AFUE with energy recovery (thermal purge and low idle loss). Made in USA, well insulated pressure vessel and Energy Manager control deliver nearly endless hot showers. Multi-Fuel technology allows field conversion between gas and oil with a burner kit. Lifetime limited warranty on Digital Energy Manager control and residential pressure vessel.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
Resolute EK1R 104 91 88.3 $1,914 $38,277 14%
Energy Kinetics Accel CS™ Series

Energy Kinetics Accel CS™ Series

Features:
Energy Manager multi-zone control maximizes efficiency with thermal purge, and condenses during the full hot water cycle. Up to 96 AFUE is enhanced with unique low idle loss integrated heat and hot water design. Exceptionally quiet modulating system, wall or floor mount, residential limited lifetime warranty stainless steel pressure vessel. The Accel CS is made in the USA.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
EK-1C 90 96 66.7 $700 $14,007 20%
EK-1C 120 96 100.1 $1,051 $21,021 20%
EK-2C 150 95 134.4 $1,411 $28,224 19%
EK-2C 200 95 168 $1,764 $35,280 19%
Firebird Popular Series

Firebird Popular Series

Features:
91.5% AFUE Condensing Oil Fired Boiler features a down flue heat exchanger constructed of mild and stainless steel. This flue passage design slows the exhaust gases, maximizing heat transfer and efficiency while yielding ultra low stack temperatures and quiet operation. Stainless steel concentric side wall or polypropylene chimney vent options.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
P90 85 91.5 86 $1,864 $37,280 14%
P120 121 90.8 122 $2,644 $52,880 14%
Firebird Utility Series

Firebird Utility Series

Features:
91.5% AFUE Condensing Oil Fired Boiler features a down flue heat exchanger constructed of mild and stainless steel. This flue passage design slows the exhaust gases, maximizing heat transfer and efficiency while yielding ultra low stack temperatures and quiet operation. Stainless steel concentric side wall or polypropylene chimney vent options.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
U90 85 91.5 86 $1,864 $37,280 14%
U120 121 90.8 122 $2,644 $52,880 14%
IBC Technologies SL Series

IBC Technologies SL Series

Features:
  • High quality 439 SS Heat Exchanger – 95% AFUE
  • Small commercial or large residential sizes available – Wide range
  • Control 4 independent pumps directly from the boiler without additional relays
  • Built in 3-load priority management
  • Multiple boiler without additional controls
  • Turndown ratio of 5.75:1 means you have the power to heat your home in the coldest weather yet reduce short cycling when it’s mild
  • Venting up to 480 feet
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum

SL 20-115-G2

115

95

98

$1,029

$20,580

19%

SL 28-160 160 95 149 $1,565 $31,290 19%
SL 35-199 199 95 183 $1,922 $38,430 19%

SL 45-260

260

95

214

$2,247

$44,940

19%

IBC Technologies VFC Series

IBC Technologies VFC Series

Features:
  • Industry leading 10:1 turn-down modulation on the VFC 15-150
  • Sustained High efficiency across firing range even at high temperatures
  • AFUE – 95% 
  • Unmatched durability from the exclusive IBC 316Ti SS heat exchanger
  • Built in 3-load priority management
  • Control 4 independent pumps directly from the boiler without additional relays
  • Venting up to 480 feet
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum

VFC 15-150

150

95

131

$1,376

$27,510

19%

VFC 45-225

225

95

213

$2,237

$44,730

19%

Kenmore DKVLT Series

Kenmore DKVLT Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
DKVLT-050 50 95 48.7 $511 $10,227 19%
DKVLT-075 75 95 65.5 $688 $13,755 19%
DKVLT-100 100 95 82.4 $865 $17,304 19%
DKVLT-150 150 95 131 $1,376 $27,510 19%
DKVLT-200 200 95 180.7 $1,897 $37,947 19%
DKVLT-299 299 95 224 $2,352 $47,040 19%
Laars Mascot II Series

Laars Mascot II Series

Features:
The Mascot is a 95% AFUE wall-mounted boiler or combination boiler and hot water heater. The efficiency rating results in lower operating costs, has “zero clearance installation” so it can fit just about anywhere and has a modern appliance design. The advanced boiler controls include outdoor reset that optimizes operation based on outdoor temperature. 12-year limited warranty, including 2 year parts and labor. Made in USA.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
LMC125 125 95 117 $1,229 $24,570 19%
LMH125 125 95 117 $1,229 $24,570 19%
LAARS Mascot LX Series with Water Heating

LAARS Mascot LX Series with Water Heating

Features:
A 95% AFUE wall–mounted boiler available in seven sizes to meet the heating demands of any size home.

  • Advanced boiler controls: outdoor reset optimizes operation based on outdoor temperature.
  • Fully modulates to further reduce fuel use
  • 15-year limited warranty, 2 year parts/labor
  • Made in USA
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
MLXCW125 125 95 119 $1,250 $24,990 19%
MLXCW150 150 95 133 $1,397 $27,930 19%
MLXCW175 175 95 167 $1,754 $35,070 19%
LAARS Mascot LX Series without Water Heating

LAARS Mascot LX Series without Water Heating

Features:
A 95% AFUE wall-mounted combination boiler/tankless water heater available in seven sizes to meet the heating demands of any size home.

  • Advanced boiler controls: outdoor reset optimizes operation based on outdoor temperature.
  • Fully modulates to further reduce fuel use
  • 15-year limited warranty, 2 year parts/labor
  • Made in USA
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
MLXHW050 50 95 49 $515 $10,290 19%
MLXHW075 75 95 65 $683 $13,650 19%
MLXHW100 100 95 83 $872 $17,430 19%
MLXHW125 125 95 119 $1,250 $24,990 19%
MLXHW150 150 95 133 $1,397 $27,930 19%
MLXHW175 175 95 167 $1,754 $35,070 19%
MLXHW220 220 95 216 $2,268 $45,360 19%
Laars NeoTherm® Series

Laars NeoTherm® Series

Features:
NeoTherm is a 95% AFUE, condensing, direct vent, sealed combustion boiler with a stainless heat exchanger that modulates from 20% to 100% of full fire. It is a fully packaged boiler including outdoor reset that allows the boiler to optimize its operation based on outdoor temperature. Zero clearance to combustibles and convenient top connections make it a good choice for tight installations. 12 year limited warranty, including 2 year parts and labor.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
NTH080 80 95 66 $693 $13,860 19%
NTH105 105 95 98 $1,029 $20,580 19%
NTH150 150 95 134 $1,407 $28,140 19%
NTH210 210 95 183 $1,922 $38,430 19%
NTH285 285 95 291 $3,056 $61,110 19%
Lennox GWM Series

Lennox GWM Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
GWM-050IE 50 95 48.7 $511 $10,227 19%
GWM-075IE 75 95 65.5 $688 $13,755 19%
GWM-100IE 100 95 82.4 $865 $17,304 19%
GWM-150IE 150 95 131 $1,376 $27,510 19%
GWM-200IE 200 95 180.7 $1,897 $37,947 19%
LOCHINVAR KNIGHT KBL PROPANE SERIES

Lochinvar Knight KBL Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler with standard features such as ASME water tube heat exchanger, floor-standing design, boiler circulator, 5 :1 turn down ratio, multi-color graphic LCD display, Smart System Control Featuring: three programmable zone temperatures, outdoor reset, domestic hot water priority, and internal cascade up to 8 boilers.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
KBN081 80 95 66.2 $1,637 $32,745 19%
KBN106 105 95 99.5 $2,461 $49,217 19%
KBN151 150 95 133.3 $3,297 $65,936 19%
KBN211 210 95 183.8 $4,546 $90,916 19%
KBN286 285 95 217.4 $5,377 $107,536 19%
LOCHINVAR KNIGHT KBN NATURAL GAS SERIES

Lochinvar Knight KBN Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler with standard features such as ASME water tube heat exchanger, floor-standing design, boiler circulator, 5 :1 turn down ratio, multi-color graphic LCD display, Smart System Control Featuring: three programmable zone temperatures, outdoor reset, domestic hot water priority, and internal cascade up to 8 boilers.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
KBL081 80 95 66.2 $695 $13,902 19%
KBL106 105 95 99.5 $1,045 $20,895 19%
KBL151 150 95 133.3 $1,400 $27,993 19%
KBL211 210 95 183.8 $1,930 $38,598 19%
KBL286 285 95 217.4 $2,283 $45,654 19%
LOCHINVAR KNIGHT WH(N,L)  PROPANE SERIES

Lochinvar Knight WH(N,L) Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
WH(N,L)055 55 95 49.2 $517 $10,332 19%
WH(N,L)085 85 95 82.7 $868 $17,367 19%
WH(N,L)110 110 95 99.6 $1,046 $20,916 19%
WH(N,L)155 155 95 133.4 $1,401 $28,014 19%
WH(N,L)199 199 95 183.7 $1,929 $38,577 19%
WH(N,L)285 285 95 215.1 $2,286 $45,717 19%
NTI Trinity Series

NTI Trinity Series

Features:
Stainless Steel down-fired Fire Tube design. Fully modulation with up to an 8:1 turndown ratio. User friendly 7” color touchscreen display. Top and bottom water and gas connections. Built-in Low Water Cut-off. Limited lifetime pressure vessel warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
TFT60 60 95 49 $515 $10,290 19%
TFT85 85 95 66 $693 $13,860 19%
TFT110 108 95 100 $1,050 $21,000 19%
TFT155 155 95 133 $1,397 $27,930 19%
TFT175 175 95 168 $1,764 $35,280 19%
TFT200 200 95 185 $1,943 $38,850 19%
TFT250 250 95 218 $2,289 $45,780 19%
Olsen OLSSC Series

Olsen OLSSC Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
OLSSC-050 50 95 48.7 $511 $10,227 19%
OLSSC-075 75 95 65.5 $688 $13,755 19%
OLSSC-100 100 95 82.4 $865 $17,304 19%
OLSSC-150 150 95 131 $1,376 $27,510 19%
OLSSC-200 200 95 180.7 $1,897 $37,947 19%
OLSSC-299 299 95 224 $2,352 $47,040 19%
Olsen OLSSV Series

Olsen OLSSV Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique vertically oriented stainless steel heat exchanger with patent pending features, 5 to 1 turndown ratio, Fuel Saving Outdoor Reset, Polypropylene flue collector, gravity hinge jacket, wall mount space saving design, easy to operate text display control, 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
OLSSV-050 50 95 48.7 $511 $10,227 19%
OLSSV-075 75 95 65.5 $688 $13,755 19%
OLSSV-100 100 95 82.4 $865 $17,304 19%
OLSSV-150 150 95 131 $1,376 $27,510 19%
OLSSV-200 200 95 180.7 $1,897 $37,947 19%
PB Heat Peerless WB90 Series

PB Heat Peerless WB90 Series

Features:
90% AFUE Two-Stage Oil-Fired Cast Iron Water Boiler designed for Both Direct and Natural Draft (Chimney) Venting. Sleek, Sound-absorbing Boiler Cover with Removable Lens for viewing Control. ETL Certified for U.S. and Canada.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
WB90-03-W 126 90 123 $2,666 $53,319 13%
WB90-04-W 182 90 159 $3,446 $68,924 13%
Rinnai Q Series

Rinnai Q Series

Features:
The Rinnai Q Series offers a fully modulating pump coupled with a proprietary stainless–steel heat exchanger to make this one of the more efficient units available. With Btu inputs ranging from 85,000 to 205,000, the Q Series is ideal for any home or light–commercial applications.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
Q85S 85 95 82.6 $867 $17,346 19%
Q130S 130 95 116 $1,218 $24,360 19%
Q175C 175 95 149.4 $1,569 $31,374 19%
Q175S 175 95 149.4 $1,569 $31,374 19%
Q205S 205 95 182.8 $1,919 $38,388 19%
Rinnai Q Premier Series

Rinnai Q Premier Series

Features:
The Q Premier Boiler System offers a one–appliance solution for residential heating and water–heating needs. It combines the efficiency of a Rinnai solo boiler coupled with a 24–gallon hot–water storage vessel, bringing the best of both technologies into a single unit, offering homeowners reliable comfort with more capabilities, efficiency and versatility.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
QP85 85 95 82.6 $867 $17,346 19%
QP130 130 95 116 $1,218 $24,360 19%
Slant/Fin CHS Series

Slant/Fin CHS Series

Features:
The CHS is a modulating, condensing stainless steel wall mount gas fired boiler. Each boiler modulates up to a 5:1 turndown. Installation is flexible with top or bottom supply, return connections & gas connections, vent runs of up to 150' and five venting options. Other sizes are available.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
CHS-85 85 95 66 $693 $13,860 19%
CHS-110 108 95 100 $1,050 $21,000 19%
CHS-155 155 95 133 $1,397 $27,930 19%
CHS-175 175 95 168 $1,764 $35,280 19%
CHS-200 200 95 185 $1,943 $38,850 19%
CHS-250 250 95 218 $2,289 $45,780 19%
Triangle Tube Prestige Excellence Series

Triangle Tube Prestige Excellence Series

Features:
The Prestige Excellence is a 95% AFUE, fully modulating, stainless steel wall mounted condensing boiler with a 14-gallon indirect fired water heater capable of producing 180 gph of domestic hot water. A microprocessor control module automatically adjusts blower speed and gas flow rate to match the boiler output for high efficiency space heating and domestic hot water demand.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
Excellence 110P 97 95 82 $2,028 $40,561 19%
Excellence 110 110 95 100 $1,050 $21,000 19%
Triangle Tube Prestige Excellence Series

Triangle Tube Prestige Solo Series

Features:
The Prestige is a 95% AFUE, fully modulating, stainless steel wall mounted condensing boiler.  It uses a unique microprocessor electronic control module that automatically adjusts blower speed and gas flow rate to closely match the boiler output for space heating or domestic hot water demand. The Prestige is whisper quiet and requires minimal installation space.
Model Number Capacity (MBtu/hr) AFUE Annual Oil Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
Solo 60 60 95 49.5 $520 $10,395 19%
Solo 110P 97 95 82 $2,028 $40,561 19%
Solo 110 110 95 100 $1,050 $21,000 19%
Solo 175 170 95 150 $1,575 $31,500 19%
Solo 250 245 95 218 $2,289 $45,780 19%
Utica Boilers UBSSC Series

Utica Boilers UBSSC Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique, vertically oriented stainless steel heat exchanger, 5 to 1 turndown ratio, a light weight/compact wall-mount space- saving design, primary/secondary piping, probe-type low water cut off, corrosion resistant CPVC flue collector, easy to operate text display control, and a 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
UBSSC-050 50 95 48.7 $511 $10,227 19%
UBSSC-075 75 95 65.5 $688 $13,755 19%
UBSSC-100 100 95 82.4 $865 $17,304 19%
UBSSC-150 150 95 131 $1,376 $27,510 19%
UBSSC-200 200 95 180.7 $1,897 $37,947 19%
UBSSC-299 299 95 224 $2,352 $47,040 19%
Utica SSV Series

Utica SSV Series

Features:
95% AFUE Stainless Steel Modulating Condensing Boiler features a unique vertically oriented stainless steel heat exchanger with patent pending features, 5 to 1 turndown ratio, Fuel Saving Outdoor Reset, Polypropylene flue collector, gravity hinge jacket, wall mount space saving design, easy to operate text display control, 15 Year Limited Warranty.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
SSV-050 50 95 48.7 $511 $10,227 19%
SSV-075 75 95 65.5 $688 $13,755 19%
SSV-100 100 95 82.4 $865 $17,304 19%
SSV-150 150 95 131 $1,376 $27,510 19%
SSV-200 200 95 180.7 $1,897 $37,947 19%
Weil-McLain ECO Series

Weil-McLain ECO Series

Features:
Class-leading high efficiency boiler features a durable stainless steel ASME fire tube heat exchanger with a corrosion resistant condensate base. ECO’s streamline design makes it easily configurable for replacement and new installations. Options for venting and materials, 5 to 1 turndown ratio, and easy boiler control make the choice simple.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
ECO 70 70 95.2 66 $693 $13,860 19%
ECO 110 110 95 100 $1,050 $21,000 19%
ECO 155 155 95.1 150 $1,575 $31,500 19%
Weil-McLain WM97+ Series

Weil-McLain WM97+ Series

Features:
Extremely easy to install and operate, saves time & money with built in features that include a circulator, primary/secondary piping, low water cut off, three zone control, text display, pre-wired terminal strips, 5 to 1 turndown ratio, and a durable ASME stainless steel fire tube heat exchanger with a corrosion resistant condensate base-all in a stylish compact wall mount cabinet.
Model Number Capacity (MBtu/hr) AFUE Annual Gas Use (MMBtu) Annual Cost
(National Average)*
Lifetime Cost to Operate** % Savings over Federal Minimum
WM97+ 110-CT 110 95 101 $1,050 $21,000 19%
WM97+ 155-CT 155 95 143 $1,575 $31,500 19%
*Estimated using an average price of natural gas of 10.5 dollars per million British thermal units.
**Residential boiler estimated lifetime of 20 years .