Press the left button, drag the mouse, rotate the cube, see more information

Limit Discounts

Through this webpage, choose online customer service communication, or message board. Leave your needs and get limited time discounts, up to 10% off, saving you a fortune. This discount has an indefinite period, and places are limited on a first-come, first-served basis.

Payment Method

We support various payment methods:
T/T payment
Alipay etc
Save time in your buying process.

Certified Product

The company's products have passed multiple national
for example:
United States: ASME
Eastern Europe: EAC
Russia: GOST
Singapore: MOMO
Buy products, buy with confidence, use with confidence

Product Type

Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler

About Us

FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!

Contact Us

If you are interested in our company or products, you can contact with us through online consulting, demand table submission, e-mails and telephones. Our staff shall wholeheartedly provide product information, application knowledge and good service for you.

Ravenheat - Boiler Efficiency Rating - Home Heating Guide

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :Ravenheat - Boiler Efficiency Rating - Home Heating Guide
  • Supply Capacity : 10 units/month :Ravenheat - Boiler Efficiency Rating - Home Heating Guide
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

Leave Your Message And Get Price!

I need the quotation of , the fuel is , this capacity is , use for . My Name is , my Email is , my WhatsApp is , Please Send the detail information for me!

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


Leave us a message

We will send out plans and quotations within five minutes

Name (optional)



Choose product type



Get display discount

Contact us

Global Sales Hotline:

Email: [email protected]

  • How to increase boiler efficiency | Boiler efficiency

    Jul 29, 2021 · According to The Energy Saving Trust, a new energy-efficient boiler with a full set of heating controls could save you between £100 and £200 a year in heating costs. The older a boiler gets, the more expensive it could be to repair as old parts may fall out of production and get more difficult to replace.Get Price

  • How To Choose a New Boiler - Bob Vila

    Jan 28, 2021 · A key factor when shopping for a new boiler is the annual fuel utilization efficiency (AFUE) rating. This rating shows how effective the unit is in converting fuel into heating energy Get Price

  • Ravenheat CSI 85 Combi Gas Boiler | Price & Warranty

    Many Ravenheat boilers achieve efficiencies of over 90%, making them highly efficient. Warranty: Ravenheat boilers are covered by warranties of 2-7 years, depending on the model. During this period of time, you will be covered by the manufacturer in the event of a fault caused by the manufacturing process.Get Price

  • Ravenheat CSI 120 25kW Combi Gas Boiler - Boiler Guide

    The CSI 120 Combi gas boiler made and manufactured by Ravenheat. This boiler is a condensing wall mounted boiler with an output rating of 25kW. It delivers a 92% efficiency rating, making it an A rated boiler, which should help to save you money on your energy bills. It is an extremely small and compact boiler at just 700mm high, 400mm wide and Get Price

  • Boiler Efficiency Ratings | Home Heating Guide

    The Ravenheat CSI 120T Low Nox Timeclock Natural Gas has a SAP seasonal efficiency rating of 89.4%. The CSI 120T Low Nox Timeclock Natural Gas is a Condensing Combi boiler with a maximum power output of 25.87kw that uses Gas as its fuel source. This boiler will provide efficient heating and subsequently reduce fuel bills and carbon dioxide Get Price

  • Ravenheat Boilers – Costs & Benefits - Home Heating Guide

    Ravenheat Boilers [all models] Price, Efficiency & WarrantyGet Price

  • HE98 - Ravenheat

    Efficiency is a major feature of Ravenheat's new HE range, which boasts an A+ ErP energy efficiency rating. This makes it the first boiler manufacturer in the UK to bring A+ boilers in a single package price deal to installers. The HE98 stays true to the Ravenheat brand by offering premium components and features for straightforward Get Price

  • Boiler Efficiency Calculator | Most Efficient Boilers

    Sep 05, 2020 · For a very old boiler with 60% efficiency, only 60% of the energy used by the boiler goes to heating the home, a whopping 40% is lost. Boilers, like other domestic appliances, have efficiency ratings of A-G. Modern boilers have to be A-rated and show it on their literature.Get Price

  • I have a ravenheat csi 85 combi with a problem. If I

    Jan 05, 2013 · I have a ravenheat csi 85 combi with a problem. If I switch on the central heating the boiler lights and cycles on off for about 5 minutes and then goes to lock out. However, if I turn on the hot water first for about a minute then turn the heating on and then turn the hot water off central heating stays on. Any help would be greatly appreciatedGet Price

  • New Boilers | Installation & Boiler Costs | HomeServe

    4. Energy-Efficiency – An energy-efficient boiler could allow you to make savings on your energy bills by reducing your energy wastage**! All of the boilers that we stock at HomeServe are A-rated for efficiency and could be coupled with a state of the art thermostat (such as Nest or Netatmo) to potentially provide you with the ultimate energy-efficient, central heating system.Get Price

  • High Efficiency Home Boiler | Lennox GWM-IE

    Mar 04, 2021 · The GWM-IE Boiler offers an efficiency of 95% AFUE, meaning it converts 95% of its fuel into useable heat. Up to 40% more efficient than conventional boilers. If playback doesn't begin shortly, try restarting your device. Videos you watch may be added to the TV's watch history and influence TV recommendations.Get Price

  • Best Boiler Buying Guide - Consumer Reports

    Nov 10, 2021 · Boiler Buying Guide. One of the most common home heating systems for older houses in the Northeast and other cold-climate areas is a boiler. Boilers heat water, and then distribute hot steam or Get Price

  • HE 42 - Ravenheat

    Easy Access to All Major Components for Servicing. The HE 42 Low Nox boiler is a product with extremely low levels of Nox, well below UK standards. We believe this is one of the smallest most competitive boilers on the market. It measures only 700 x 400 x 300mm, offers a high output and not only that, it comes with a 1 year guarantee.Get Price

  • Boiler Efficiency: Which Boilers Are Most Energy Efficient?

    Condensing boilers are the most energy efficient, typically being 25% more efficient than non-condensing models. If you still have a old-style non-condensing boiler, then replacing it with a new condensing boiler could save you £45 to £300 a year (Energy Savings Trust, 2021). All modern boilers that you can buy are condensing boilers and have Get Price

  • Consumer's Guide to Purchasing a New Heating System

    Oil-fired steam. 82% AFUE. Oil-fired hot water boilers. 84% AFUE. The higher the AFUE rating, the more efficient the heating system, and the less energy needed to heat your home. For example, a new, high-efficiency furnace with a 94 percent efficiency rating provides 94 cents worth of heat from every energy dollar.Get Price

  • HE80 - Ravenheat

    Smart Energy Saving. Designed incorporating energy saving innovation, the HE80 combi and system boilers puts style, quality and efficiency in a new class of its own. The HE80 combination boiler has a high resolution backlit LCD screen, featuring customer friendly buttons for optimum operation, making it easy to use in poor light conditions.Get Price

  • Guide to Greener Heating: Your Best and Cheapest Home

    Jan 19, 2021 · One simple way to have a cleaner home heating system is to install a super-efficient boiler, gas furnace or oil furnace to replace your existing heater. Furnaces are equipped with a duct system Get Price

  • Boilers | New Boilers |

    Central heating boilers can be powered by various different fuel types and are available in a wide variety of power (KW) ratings. They can be used for new boiler installations or replacement boiler installations, produced by leading manufacturers with differing warranty periods.Get Price

  • Boiler Heating Systems Buyer Guide (Types, Top Brands

    Boiler Prices. The final cost of a boiler will depend on many factors, but the average price including installation can be anywhere from $3,000 – $5,000+ for a combi-boiler, and all the way up to $5,000 or more for a conventional boiler. Note this is for a residential boiler system.Get Price

  • Boiler Efficiency Ratings | Home Heating Guide

    Ravenheat Boilers [all models] Price, Efficiency & WarrantyGet Price

  • Combi Boiler - Buy New Combi Boilers - Mr Central Heating

    More Info. Worcester Greenstar 8000 Style 30 (ErP) White Combi Boiler, Quick-List. Starting at £1,338.12 £1,115.10. More Info. Worcester Greenstar 8000 Style 45 (ErP) Black Combi Boiler, Quick-List. Starting at £1,995.84 £1,663.20. More Info. Worcester Greenstar 8000 Style 40 (ErP) Black Combi Boiler, Quick-List. Starting at £1,683.72 £ Get Price

  • How to improve your EPC rating - EDF

    Whether your home has cavity or solid walls, insulating them can improve your EPC rating and you might qualify for help with the costs; Replace your boiler. You can cut your energy bills with a new, energy-efficient boiler. An efficient secondary heating source.Get Price

  • CSI 120 - Ravenheat

    DOWNLOADS. The CSI 120 Low Nox boiler is a product with extremely low levels of Nox, well below UK standards. We believe this is one of the smallest most competitive boilers on the market. It measures only 700 x 400 x 300mm, offers a high output and not only that, it comes with a 1 year guarantee.Get Price

  • A guide to home heating systems - Efficiency Vermont

    An air-to-water heat pump delivers heat via water piped through the home. When used for space heating, an air-to-water heat pump fills the role usually held by a boiler. Highlights. A newer technology that is now available in Vermont and can operate at ambient air temperatures down to -13 degrees. System design and installation requires trained Get Price

  • Best Boilers Reviewed for 2022 - Appliance Reviewer

    Best Combi Boilers. Worcester Greenstar 30i Combi. View Prices. The Worcester Greenstar 30i Combi is one of the best combi-boilers available at the moment. Plus, it has been around for a little while which shows the popularity is still high. With easy to navigate controls, it is simple to get to grips with.Get Price

  • How efficient is my boiler? - British Gas

    Conventional boilers. If your hot water tank has a thermostat, set it between 55°C and 60°C. Then you can adjust your boiler temperature to maximise energy efficiency: In winter, set the boiler temperature control to max (80°C). In summer, when you don't need the heating, set it somewhere in the middle (55°C-60°C).Get Price

  • Ravenheat CSI 120 32kW Combi Gas Boiler

    The CSI 120 32kW Combi Gas Boiler from Ravenheat is a condensing unit with an efficiency rating of 90.60%. The efficiency rating of a boiler is how much energy is lost during the process of producing heat and hot water. The higher the energy rating, the more efficient the boiler is.Get Price

  • The Best Gas Boilers In 2021 - Gas Boiler Reviews - HomeSage

    Jul 16, 2020 · Coming in first is the extremely popular Baxi Platinum 24 boiler which benefits from a huge 10-year warranty as standard for peace of mind.. The dimensions of this boiler are 780mm x 450mm x 345mm so it is slightly larger than others available but houses top quality brass components and is built in the UK factory.. The platinum range from Baxi all have energy …Get Price

  • Best Gas Boilers 2021 Pepsi Challenge | Heating Hub

    Dec 27, 2020 · Ravenheat HE80. As well as a great price and very decent 5-year warranty, the most impressive aspect of this boiler is its minimum output. All boilers operate within a range of maximum and minimum outputs. The lower the boiler can go the more efficient it …Get Price

  • S/S Electrical Water Boiler 21 Liters,BERJAYA - BJY-WB23

    Dimension : 410 x 295 x 680 mm CUSTOMER NEWS RECRUITMENT CONTACT HOMEGet Price

7X24 Online