High Efficency Economizers

Consider Installing a Condensing Economizer

2013-5-2 · of high temperature water vapor each hour. The water vapor in the flue gas contains over 10.6 MMBtu/hr of latent heat. As shown in Table 2, the total heat actually available for recovery is strongly dependent upon the stack gas temperature at the condensing econo-mizer outlet. Assume that an indirect contact con-densing economizer is

Understanding Combustion Efficiency and

The temperature of the exhaust will be high because of the heat that is transferred to the exhaust during combustion. Because of its high temperature, exhaust usually occurs as a gas, but there can be liquid or solid exhaust products as well. Water (H2O) is always present in natural gas and oil combustion in residential furnaces.

Next Level Efficiency | Kemco Systems | Direct Contact

ROI's can run as high as per year and returns over 50% per year are common. The amount of recoverable heat using stack economizers depends on several factors, including initial stack gas temperature and firing rate. In general, boiler efficiency can be increased by 1% for every 40°F reduction in flue gas temperature.

Saving Boiler Fuel - Veolia Water

2015-11-3 · Saving Boiler Fuel By James McDonald, PE, CWT Originally Published: CSTR September 2005 O n average, approximately 75% of the operational costs for a boiler is fuel cost, as shown in Figure 1. Wat er management, sewer, and water respectively rank a far distant 5 th, 6, and 7 th on this list, totaling a mere 4.25% of operating costs.

Condensing Economizer | Products amp; Suppliers |

Two-Stage Condensing Economizer 94% Efficiency C2X-HE Economizer New technology exclusive to Cleaver-Brooks enables the C2X-HE to be the first two-stage condensing economizer in the industry to achieve up to 94% efficiency. It is smaller and lighter than current two-stage economizer models and is ideal for high

Boiler Economizer | Products amp; Suppliers |

The sizes of the economizers depend on required steam capacity, amount of exhaust gas Supplier Catalog Gains in efficency can reach 3-5% depending on the feedwater return temperature. New CBEX Elite Industrial Boiler High Efficiency economizer by recovering waste heat from flue gases and using it to preheat boiler feedwater. The

Energy-Efficient Design for Florida Educational Facilities

2018-11-21 · Energy-Efficient Design for Florida Educational Facilities. Janet McIlvaine, Michele Mallette, Danny Parker, Michael Callahan, Philippe Lapujade, David Floyd, Lynn Schrum, coupled with high internal latent loads from students, may lead to unacceptable relative humidities if improperly designed and operated. Economizers consist of three

Improving Energy Efficiency of Boiler Systems

2015-8-5 · The heat input is based on the high heat (gross calorific) value of fuel for efficiency calculations in US, UK and many other countries. Germany uses low heat (net calorific) value basis, implying that for an identical boiler, the stated efficiency will be higher. There are two methods of assessing boiler efficiency; 1.

Improving the energy efficiency of the existing

1. Introduction. Commercial and institutional buildings are a key indicator of the socio-economic development of any nation. Despite numerous benefits to the society, dramatic environmental and social consequences are created throughout the life cycle of buildings 1,2.The building stock in the world consumes approximately 40%, 25% and 40% of the energy, water and resources, and responsible

Evaluation of energy savings potential of variable

The lowest percentage saving is around 1% (2.6 MWh/year) for Phoenix, AZ. As the modeled RTU-VAV is equipped with economizers and has a supply air OA reset control, the simultaneous cooling and reheating for some climate zones can be significantly reduced with more enhanced controls with addition of economizers for the RTU-VAV models.

Home | Bosch Thermotechnology

2020-3-27 · Enjoy perfect indoor air comfort with this high-efficiency, two stage water-to-air heat pump from Bosch. Read more NEW Climate 5000 Ductless System (2.0) Upgrade your comfort with this easy-to-install system to heat or cool your home. Read more Experience Invisible Comfort

Understanding Combustion Efficiency and

The temperature of the exhaust will be high because of the heat that is transferred to the exhaust during combustion. Because of its high temperature, exhaust usually occurs as a gas, but there can be liquid or solid exhaust products as well. Water (H2O) is always present in natural gas and oil combustion in residential furnaces.

Energy efficient tactics to reduce facility maintenance

Look at upgrading air handlers when they begin to reach end of life. In Canada, high-efficiency natural gas burners can save enough energy to payback in two years. Facilities without economizers are missing out on the advantage of precooling in the shoulder seasons like fall or spring when it's cool.

Industrial Combustion Boilers - IEA-ETSAP

2015-7-31 · Industrial Combustion Boilers HIGHLIGHTS steam generation as small tubes can withstand high pressure better and are less vulnerable to fracturing and economizers, air pre-heating, and 3% O 2 in flue gas, 4 Fuel type Combustion efficiency, % Natural gas, GJ 85.7%

Chilled Water System Efficiency | HVAC Cooling

Chilled Water System Efficiency - Water Side Economizers. There are some chilled water systems that utilize a waterside economizer so that when the outside temperatures are ideal the chiller can be shut down and the cooling tower used to replace the chiller by

Top 11 Ways to Get Better HVAC Energy Efficiency

A higher number reveals better HVAC energy efficiency. HSPF- Heating Seasonal Performance Factor This is a ratio for heat pump efficiency. Heat pumps can cycle in both directions to produce heat and cool air. This measures the total space heating needed in BTU

hitema - Altech

hitema. SWC 005480 . Watercooled liquid chillers SWC series, scroll compressors R410A, coaxial evaporator and plate condenser shell and tube evaporator, condenser with copper tubes and aluminium finned core and axial fans - High efficency CLASS A. Read More. EET R134A tab inglese shell and tube evaporator, brazed-plate economizers

Why Do High Efficiency Furnace Produce Water -

Medium-high efficiency furnace models with efficiencies produce flue products less than or equal to 140 °F above super high efficiency models which condense water vapor from the flue products in order to recapture heat. Vent-

WeatherExpert® 48LC Ultra High - Building Solutions

48LC WeatherExpert® rooftop units were designed by customers for customers. They are Carrier's most efficient commercial packaged rooftop ever produced and have some of

MERV RATING CHART - Mechanical Reps, Inc.

2015-7-27 · MERV RATING CHART Standard 52.5 Minimum Efficiency Reporting Value Dust Spot Efficiency Arrestance Typical Controlled Contaminant Typical Applications and Limitations Typical Air Filter/Cleaner Type 20 n/a n/a lt; 0.30 pm particle size Cleanrooms gt;99.999% eff. On .10-.20 pm Particles 19 n/a n/a Virus (unattached) Radioactive Materials gt; 99.999%