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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • Sizing of boilers for residential buildings 8

    The boiler models for both the condensing and the high efficiency gas boiler are elaborate refinements of the TESS-boiler model ([11] and [12]). The input data is based on test data and a static boiler EES model developed by Lebrun [13]. The TRNSYS boiler models can be regarded as a combination of an ideal heater and a lumped capacitance model.Get Price

  • Sizing a Modulating Condensing Boiler - GreenBuildingAdvisor

    2. From the default table, the output for an average temperature of 140°F, assuming 1 gpm flow rate would be 310 Btu/h/ft. 3. The total length needed to meet the 40 kBtu/h design load would be: 40,000 Btu/h ÷ 310 Btu/h/ft = 129 ft. 129 ft – 80 ft = 49 …Get Price

  • Technologies Comparing Condensing Boiler Efficiencies

    Testing is performed with the boilers running at firing for the duration of the test. Unfortunately, most boiler plants are oversized to provide adequate heat on a "design day" (a prediction of the coldest day of the year in a given climate zone) with extra capacity as a safety cushion. While such demand may exist a fewGet Price

  • boiler primary/secondary pumping - HVAC/R engineering

    May 27, 2011 · I am reviewing a design with a primary building hot water loop serving air handlers and vav's with a total hot water flow rate of 200 gpm on the design day. The equipment is designed for 180F entering water temperature and 160 leaving. The design has two condensing boilers that can run in parallel, each with a dedicated 30 gpm circulator.Get Price

  • Selecting a Boiler Stack Key Considerations for Selection

    • Boiler category. Boilers are divided into four categories (I, II, III, and IV) based on exhaust-stack pressure and temperature and the likelihood of condensate in the vent. Stack designs for condensing boilers differ from those for near-condensing boilers. Heat-exchange design, along with improved combustion technology, enable condensing Get Price

  • Laars Condensing and Non-Condensing Boiler Controls

    In response to new advancement in condensing boiler design and size, many applications utilize multiple condensing boilers in addition to the non-condensing boilers. That triggered Laars design of the M4-CNC. It is intended to manage the two groups of boilers to maximize system efficiency at the lowest operating cost while maintaining the Get Price

  • Condensing Boilers | Building America Solution Center

    Condensing boilers are the most efficient type of boilers with AFUEs of 90% to 96%. Figure 1. This gas-fired condensing boiler is installed as a direct vent appliance that receives combustion air directly from outdoors and vents …Get Price

  • Condensing Boilers & Baseboards - Hydronics Hub | News

    Jul 01, 2015 · A cast iron boiler has two speeds — on and off. In comparison, a modulating boiler can vary its input, usually at a 4:1 or 5:1 ratio. A 100K Btu modulating boiler can operate from approx 20K Btu to 100K Btu. There is quite a bit of fuel to be saved by having the "right" size boiler on almost every day.Get Price

  • What is a Condensing Boiler and How Does it Work?

    Condensing boilers in particular are designed to heat up your home and water as efficiently as possible. Not only is it now a requirement (as of 2005) for every newly fitted gas-fired boiler to be condensing, but it must also have an efficiency 'A' rating too.Get Price

  • How Efficient is a Condensing Boiler? (2022) | GreenMatch

    Sep 09, 2021 · Condensing Boilers Can Ensure a 90% Efficiency Rate. Not only is the condensing boiler a good option if you are concerned about your carbon footprint but condensing boiler manufacturers also claim that the efficiency rate of their products can reach up to 98%. Generally, conventional boilers can only reach 70-80% efficiency.Get Price

  • Condensing vs. Non-Condensing Boilers (2022) | GreenMatch

    Sep 09, 2021 · The main difference is that condensing boilers are up to 99% efficient while non-condensing boiler are only up to 78% efficient. This means that condensing boilers help you save up to £310 per year on gas bills while also reducing your household emissions. If you want to replace your old boilers and you are looking into upgrading to a Get Price

  • A look at the pros and cons of a condensing boiler

    Condensing combi boilers are a great idea if you are limited on space; you don't need a water storage tank, and their compact, modern design makes them ideal for smaller houses and flats. The Cons: Condensing Boilers are susceptible to freezing temperatures, when the pipe which leads from the boiler outside can freeze, stopping the boiler Get Price

  • Module 149: Effective control for condensing gas boiler

    The minimum performance for a boiler is typically set by codes and standards. Across the EU (including the UK), the Energy-related Products Directive (ErP) leads the regulations of individual member states that, in the Ecodesign regulation EU 813/2013, 2 sets efficiency standards for boilers that have an output power of less than 400kW. The Medium Combustion Plant Directive …Get Price


    2. Furnace Size: Larger furnaces are easier to fire and depending on the boiler design, it can reduce the thermal stress by lowering some temperatures (like the entrance to second pass tubes in a Firetube boiler). Furnaces size can also have an impact on the emissions capability, with larger furnace sizes making it easier to get lower NOx Get Price

  • P-K MACH | Condensing Boiler from Patterson-Kelley

    All P-K MACH ® condensing boilers fit through a standard 36 inch doorway or a standard elevator. Our largest models (1,500,000 BTU/hr and larger) are equipped with wheels which means they can be moved by two people without a forklift. The narrow design of all P-K MACH ® condensing boilers allow them to navigate corners and hallways with ease.Get Price

  • Condensing Boilers and Air Handing Unit (AHU): Coil Return

    Sep 16, 2019 · The same design can be used to provide lower return temperatures to the hydronic heating condensing boilers. An example of a typical hot water AHU coil piping is shown below. This example will use a water coil requiring 50 GPM with a supply temperature of 180°F and a return of 140°F. A very standard design we see every day.Get Price

  • High-Efficiency Condensing Boiler Installation in Nyack, NY

    Condensing boilers are at least 25% more efficient than non-condensing models. Condensing boilers can capture up to 11% more heat than non-condensing boilers, reaching up to 99% efficiency. Condensing boilers help lower fuel bills and reduce your carbon footprint. This makes them a great alternative to conventional heating systems.Get Price

  • Managing Condensate for Condensing Boilers

    The condensing process is achieved by passing the piped hot flue gases through the cooler return water flowing back into the boiler. Flue gas starts to condense when it drops below its dew point of 55°C. This is why condensing boilers are designed to accommodate a return water temperature of 54°C or less.Get Price

  • Condensing Boiler Plant Piping Design & Control Part 5

    Mar 11, 2015 · Sizing a Buffer Tank. To properly size a buffer tank, you need to know the following: The minimum desired run time for your boilers – typically 10 minutes for most condensing boilers. The minimum output (Btu/h) of your particular boilers. (Remember – this isn't necessarily the lowest fire rate your boilers can produce, but the start-up Get Price

  • What Size Boiler Do I Need? | Power Calculator | Ideal Heating

    As a ball-park estimate, you'll need the following power outputs for the number of radiators for a combi boiler: Up to 10 radiators: 24–27 kW. 10 to 15 radiators: 28–34 kW. 15 to 20 radiators: 32–40 kW. And for a heat only or system boiler: Up to 10 radiators: 12–15 kW. 10 to 15 radiators: 18–24 kW. 15 to 20 radiators: 30–40 kW.Get Price

  • How Do I Choose Between a Conventional vs. Condensing Boiler?

    Dec 02, 2019 · Condensing boilers work similarly to a conventional boiler in a lot of ways. In the end, the important differences come down to getting high-efficiency boilers vs. standard ones. Condensing boilers are much more efficient in energy use and maintenance, but are also more expensive to buy.Get Price

  • Condensing Red Wine Factory Gas Fired Hot Water Boilers

    condensing boilers typically exceed 1600° F. With typical pH levels between 4 – 5, similar to that of red wine, there's no question that the condensate produced by a condensing gas boiler is corrosive. When combining this low pH with high combustion temps, if you're looking for longevity, SATi used in the CU3A is the only choice.Get Price

  • Modern HydronicSystem Designs for Condensing Boilers

    –3,600,000 BTU/hr design day load –400,000 BTU/hr minimum load –30 oF ∆T design –Three (3) high mass & high volume condensing boilers •2,000,000 BTU/hr each (N+1 design) –Variable speed primary only pumping –Multiple heating loads (zones) Monday, December 01, 2014 Modern Hydronic Designs For Condensing Boilers 25Get Price

  • Consulting - Specifying Engineer | Boiler systems

    Jun 19, 2012 · How well the condensing boilers fit within boiler systems design and operate in condensing mode depends on the return water temperature. Therefore, the design engineer should select the heat users in a way that will allow the system to …Get Price

  • Lochinvar's Largest Condensing Boiler Brings Energy

    Jun 07, 2012 · Walgreens Manager of Building Operations, Bill Lewis, initiated the boiler replacement after seeing first-hand the size and efficiency of another property's condensing boilers during a tour organized by the Northern Illinois chapter of the International Facility Management Association.Get Price

  • boiler primary/secondary pumping - HVAC/R engineering

    May 27, 2011 · I am reviewing a design with a primary building hot water loop serving air handlers and vav's with a total hot water flow rate of 200 gpm on the design day. The equipment is designed for 180F entering water temperature and 160 leaving. The design has two condensing boilers that can run in parallel, each with a dedicated 30 gpm circulator.Get Price

  • Condensing Boiler Olson - Microsoft

    – Condensing boiler: condensaon of combus5on gases is op5mum for type/size dictate return water temp. Need for Condensing Boiler Research • Lack of modulang condensing boilers in Boiler Output Emmiters Design Heating Load (Bill Analysis) at -12 F OAT 38,500.Get Price

  • Using wide temperature differentials to improve the

    Some modern condensing boilers can have quite significant pressure losses when operating with narrow differential temperatures. By operating with a wider differential temperature and lower flow rates the pressure loss can be reduced which will have a substantial effect on pump size. Example - 250kW condensing boilerGet Price

  • hotels in manila using steam boilers

    thermal efficiency 90% gasification hot water boilerboiler thermal efficiency - Industrial Gas & Oil Fired Boiler. They achieve high efficiency (typically greater than 90% on t… 1 03mpa coal fired steam power plant in india used for chemical plantGet Price

  • Condensing vs Combi Boilers (2021) Which Is Better? - iHeat

    Mar 13, 2021 · Condensing boilers are suited to quite a wide range of homes and buildings, with many of them heating up larger houses quite effectively. The size of the condensing boiler matters since a larger condensing boiler can heat up a greater area, but there are not really any specific places that condensing boilers need to be installed or used.Get Price

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