header image

Welcome to ZOZEN

ZOZEN is one of the best modern boiler manufacturers in China, our products include steam boilers, hot water boilers and thermal oil heaters. ZOZEN boiler is located in Wuxi, covers 150 thousand square meters of production area, equipped with first-class production equipment, passed the ISO9001:2000 international quality system certification. The company gained the " S " and " U " steel seal from ASME of US.

Customer service

If you run into any problems with the boiler, please contact us directly by email or fill out the online service request. We will do our best to resolve any problems you might have within 24 hours.

In case of special condition, ZOZEN will forward your request to one of its partnered sales representatives depending on the country and state. The local maintenance personnel will arrive at the customer site as soon as possible.


Boiler Efficiency — What Gross and Net Efficiency Me

A 15% saving on a gas spend of £1,200 per year would save £180. If gas energy prices rise sharply, the saving with a new, high efficiency boiler would be higher too. Still, shorter showers, slightly smaller baths and slightly cooler houses could save more. A shower from a combi boiler (at 2018 UK gas prices) costs about £1.40 for each hour.

xuyi@zozen.com >

Get A Quote >

Energy Efficiency of Seasonal Solar Thermal Energ

2018-12-19 · Seasonal thermal energy storage (STES) is widely researched because it utilizes excess energy that would be wasted otherwise. The purpose of this study is to analyze the energy efficiency of seasonal solar thermal energy systems as heating systems for greenhouses and to compare it with conventional variable air volume (VAV) heating systems. A

xuyi@zozen.com >

Get A Quote >

Seasonal Boiler Maintenance is a Mus

Seasonal maintenance on your boiler can help prevent any damages or leaking from your unit. With winter quickly approaching, it's a good time to schedule your boiler to be maintenanced. NW Mechanical has a fully trained team that will come out and perform a safety check to make sure your boiler is in full working condition.

xuyi@zozen.com >

Get A Quote >

Maximizing Small-Boiler Efficiency | HPAC Engineeri

2006-8-1 · Combustion efficiency is a simple (and occasionally misleading) measure of a boiler's heating efficiency. It is equal to 100 percent of efficiency minus the percentage of heat lost up the vent, which is called "flue loss." The thermal efficiency of a furnace or boiler is equal to the combustion efficiency

xuyi@zozen.com >

Get A Quote >

DJ Nelson Heating - Posts | Facebo

Ideal's new RF Programmable Room Thermostat (the Ideal Touch) fitted, which upgrades the 93% ErP Seasonal Space Heating Efficiency of the boiler to a gas-saving 96%!! Power flushed to remove dirt from radiators, ensuring longevity of the wet components in the boiler

xuyi@zozen.com >

Get A Quote >

Understanding why biomass boilers fail – CIBSE Journ

In 23% of systems, seasonal efficiency was degraded by the selection of a boiler that is lit continuously, rather than opting for a fully automatic one. A boiler system that operates 24/7 is inconsistent with a load profile that demands heat for no more than 40 hours a week. CJ

xuyi@zozen.com >

Get A Quote >

Top Tips for Buying a New Boil

2019-11-12 · Top Tips for Buying a New Boiler By Space Coast Daily // November 12, 2019 But if you are unsure where your priorities should lie when making your new boiler

xuyi@zozen.com >

Get A Quote >

Boiler Ratings - Combi Boiler .n

There are currently two types of SEDBUK rating. SEDBUK 2005 rates boilers from A-G, with A-rated boilers being over 90% efficient. SEDBUK 2009 is a newer system, and rates boiler efficiency in percentage. All new boilers should be rated using SEDBUK 2009. But if you have an older model then it might have been tested under the 2005 system.

xuyi@zozen.com >

Get A Quote >

Boiler Energy Efficiency | The Boiler Compa

The efficiency of your boiler is determined by the age and the type you buy. The most efficient boiler and the type we advise people to purchase and use is the modern condensing boiler. This very efficient boiler is the best kind of boiler to choose if you are looking to make use of an efficient and environmentally friendly boiler.

xuyi@zozen.com >

Get A Quote >

Heating Efficiency - Xcel Ener

2018-5-17 · For the installation of a new boiler where there was no previous boiler in place, or the current boiler is no longer operational, or upgrade a functional hot water boiler. Program Requirements Rebate available Furnace Minimum 92% AFUE $80 per unit Minimum 94% AFUE $120 per unit Water heater Minimum of 92% efficiency (≥75,000 BTUH input for

xuyi@zozen.com >

Get A Quote >

Top Tips for Buying a New Boiler - Fantastic Service

2019-11-24 · As a general rule, if your boiler is more than ten years old, even if it seems to be working well, it could be the time to invest in a newer, A-grade high-efficiency model. In this article, we've provided you with some tips and advice to help you successfully choose your new boiler. Top tips for buying a new boiler

xuyi@zozen.com >

Get A Quote >