High Efficiency Boiler Natural Gas

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Natural Gas Boilers Efficiency: AFUE ≥ 90% Qualifying Products List January 18, 2013 HIGH EFFICIENCY BOILERS General Requirements for High Efficiency Heating Boiler Rewards: Boilers must have an Input Capacity less than 300 MBTUH (Thousand British Thermal Units per

High Efficiency Condensing Gas Boiler • 92.5% AFUE Condensing Gas Boiler • Output Modulates from 28,800 to 112,500 BTU/Hr • Natural Gas or Propane compatible (comes set up for Natural Gas w/ LP conversion kit included in the boiler packaging)

Series High Efficiency Gas-Fired Steam Boiler • Up to 81.5% AFUE • 57 to 201 MBH – In 6 sizes • Chimney vented • Natural or LP gas • Electronic ignition

High-Effi ciency Heating Equipment n After Market Boiler Reset Controls n Programmable Thermostats n Steam Traps n HIGH-EFFICIENCY Commercial & Industrial

• Natural Gas or Propane • Cast Aluminum Mono Block Design • Included with Boiler. FCM 070 Burnham Freedom CM™ 95% High Efficiency Burnham’s Freedom CM standard on each boiler Burnham Alliance SL

SlimFit™ High Efficiency Gas Boiler (natural) gas pressure to the boiler gas valve should be a minimum of 3.0” W.C. and a maximum of 14” W.C. If inlet gas pressure exceeds 14” W.C., a 100% lock-up type gas pressure regulator of adequate

Possible to achieve 100%, and a high-efficiency boiler averages 80-90% efficiency. Natural gas (or mains gas) can be classified as low-calorific or high-calorific depending upon the amount of energy contained within it. LPG

Improve Your Boiler’s Combustion Efficiency Combustion Efficiency Combustion Efficiency for Natural Gas Excess, % Combustion Efficiency Flue Gas Temperature Minus Combustion Air Temperature, °F Air Oxygen 200 300 400 500 600 9.5 2.0 85.4 83.1 80.8 78.4 76.0

High Efficiency, Gas Fired Heating Boiler natural gas Efficiency+ boiler. Efficiency+ Boiler Natural Gas Input Standard Features • 84% AFUE • Two Stage Firing • Sealed Combustion Chamber • Stainless Steel Burners • Low NOx Operation Exceeds the most

Weil-McLain® High-Efficiency Gas Boiler Ultra Models 80 through 399 Limited Warranty for Residential Use Page 2 of 2 550-141-045 (0314) F. What Is Not Covered Under This Limited Warranty? This Limited

• Condensing Water Boiler • Natural or LP Gas 150 – 225 MBH (2 sizes) What is a “Condensing” Boiler? efficiency, the water vapor produced in the gas these two processes create the high efficiencies

PACKAGED BOILER -Natural Gas field convertible to LP as standard equip. except 80 Condensing High Efficiency Gas Boiler 20-100% Modulation SERIES 2 STANDARD EQUIPMENT Factory Tested Limited 15 Year Heat Exchange Warranty Homeowner Protection Plan with

2015 High-Effi ciency Natural Gas Equipment Rebates HEATING EQUIPMENT COMBINED HIGH-EFFICIENCY BOILER AND WATER HEATING UNIT CONDENSING BOILER RATING REBATE with On-Demand Hot Water Minimum AFUE Rating of 90%

Boiler Efficiency Charles Stark Department of Poultry Science Newhighefficiencynear90%New high efficiency near 90% Fuel sources: Boiler Oil Natural Gas Efficiency $2.75/gal Natural Gas $1/therm Base Operating 70% $1,400K/yr $717K/yr

ENERGY STAR ® certified high−efficiency natural gas furnace. Lower Your Energy Costs with ENERGY STAR Certified Equipment Save up to $530 per year with an ENERGY STAR certified furnace with a brushless DC motor. Not only will you

Iii Measure Guideline: High Efficiency Natural Gas Furnaces Prepared for: The National Renewable Energy Laboratory On behalf of the U.S. Department of Energy’s Building America Program

• Natural Gas or Propane • Cast Aluminum Mono Block Design • Included with Boiler. FCM 070 Burnham Freedom CM™ 95% High Efficiency Burnham’s Freedom CM standard on each boiler Burnham Alliance SL

High Efficiency Water Heaters options are available, including electricity, natural gas, oil, and propane. While the initial purchase price of solar water heaters is high compared to standard models, they can be cost effective.