南京智热节能科技有限公司

Gas-fired hot-air furnace News and information is a compilation of the latest publicly available updates on industry developments in this sector. Since 2026, domestic policies aimed at energy conservation and consumption reduction have continued to be implemented. As a core piece of equipment in the industrial heating sector, gas-fired hot-air furnaces have seen steadily rising market attention. Nanjing ZhiRe Energy-Saving Technology Co., Ltd. Through Brand Official Website https://www.njwec.com We continuously update industry‑related news and information, providing professional insights for our users. Technical Support Hotline:  +86 18021417801 (same number on WhatsApp).

 Gas-fired hot air furnace : efficient energy-saving and consumption reducing equipment  for industrial waste heat recovery

I. Summary of the Latest Market Trends in the Gas-fired Hot-Air Furnace Industry in 2026

In 2026, the domestic gas-fired hot-air furnace market is expected to maintain steady growth. According to first-half data released by a leading industry association, the market expanded by 12.7% year-on-year compared with 2025, with demand from downstream sectors such as food processing, traditional Chinese medicine drying, and building-materials drying accounting for over 60% of total demand.

1.1 Changes in the Upstream and Downstream Supply Chains of Gas-fired Hot-Air Furnaces in 2026

By 2026, the localization rate of core burner components for upstream applications has risen to 78%, significantly reducing overall equipment procurement costs compared with previous years. The purchase price of gas-fired hot-air furnaces with equivalent specifications has declined by approximately 8% versus 2025, further lowering the procurement threshold for small and medium-sized manufacturing enterprises.

1.2 Trends in the Structural Adjustment of Downstream Market Demand

In 2026, low-carbon, environmentally friendly equipment will account for more than 70% of downstream demand for gas-fired hot-air furnaces. The phase-out of conventional, high-emission, low-efficiency older models is accelerating, and the ongoing replacement of aging equipment across industrial facilities nationwide continues to drive growth, serving as the industry’s primary growth engine.

II. Current Directions for Upgrading Core Technologies of Gas-fired Hot-Air Furnaces

In 2026, the core directions of technological advancement for gas-fired hot-air furnaces will focus on three key areas: enhanced energy efficiency, reduced carbon emissions, and intelligent operations and maintenance. Leading equipment manufacturers are steadily increasing their R&D investments in these domains, and several practical technologies have already been commercialized.

2.1 Large-Scale Application of Full Premixed Combustion Technology

The share of fully premixed combustion technology in next-generation gas-fired hot-air furnaces has risen to 45%. Equipment employing this technology can achieve thermal efficiencies exceeding 95%, reducing gas consumption by nearly 10% compared with conventional direct‑fired units, resulting in a pronounced long-term cost advantage.

2.2 The Proliferation of Remote Intelligent Monitoring Systems

Most mainstream gas-fired hot-air furnaces manufactured in 2026 are equipped with remote intelligent monitoring systems, enabling real-time transmission of equipment operating data, energy consumption metrics, and fault‑alert information. This allows users to manage the entire lifecycle of the equipment without needing to be on-site at the plant, significantly reducing labor costs for operations and maintenance.

III. Key Considerations for Selecting a Gas-fired Hot-Air Furnace

In the market environment leading up to 2026, buyers should not rely solely on purchase price when selecting gas-fired hot-air furnaces. Instead, they must conduct a comprehensive evaluation across multiple dimensions—such as energy efficiency, emission performance, and after-sales maintenance services—to identify equipment that best meets their production needs.

3.1 Summary of Core Selection Reference Steps

1. First, determine the hourly heating demand of your own production process and the allowable heating temperature range, then establish the rated power range of the gas-fired hot-air furnace.
2. Verify the environmental emission requirements of the project site and select equipment that meets the corresponding nitrogen oxide emission standards to prevent failure during subsequent acceptance inspections.
3. When comparing the thermal efficiency ratings of equipment offered by different manufacturers, prioritize products with higher efficiency to reduce long-term gas consumption costs.
4. Verify the vendor’s local after-sales service and maintenance capabilities to ensure on-site troubleshooting in case of future failures, thereby preventing disruptions to normal production schedules.

3.2 Avoiding Common Missteps in Equipment Selection

Some purchasers, in an effort to reduce initial procurement costs, opt for gas-fired hot-air furnaces with a rated capacity lower than their actual requirements. Operating such equipment at full load over the long term not only significantly shortens its service life but also leads to unstable heating temperatures, compromising product quality in drying and heating processes. The hidden losses that subsequently arise far outweigh the savings achieved on the initial purchase price.

IV. Practical Operating Guide for the Daily Operation and Maintenance of Gas-fired Hot-Air Furnaces

Performing routine, scheduled maintenance effectively extends the service life of gas-fired hot-air furnaces, reduces the likelihood of equipment failures, ensures long-term stable operation at high energy efficiency, and lowers overall lifecycle costs.

4.1 Daily Routine Operations and Maintenance Checklist Items

Before starting up each day, inspect the gas pipeline connections for leaks and verify that the air‑pressure and temperature sensors are reading within normal ranges. After powering on, run the equipment at no load for five minutes to confirm that all parameters have stabilized, then proceed to integrate it into the production and heating process.

4.2 Key Points for Monthly In-Depth Operations and Maintenance

Each month, it is necessary to clean the carbon deposits from the surface of the gas-fired hot-air furnace burner, remove dust and debris accumulated inside the heat-exchange passages, inspect the operating condition of the circulation fan, and replenish lubricant grease, thereby preventing reduced thermal efficiency and increased energy consumption caused by blockages in the heat-exchange channels.

The reference energy efficiency parameters for mainstream gas-fired hot-air furnaces across different power ratings in 2026 are shown in the table below:

A report published in 2026 by leading energy‑efficiency research institutions in the industry indicates that gas‑fired hot‑air furnaces that undergo regular, standardized maintenance have an average service life 3 to 5 years longer than poorly maintained units, and their overall lifecycle operating costs can be reduced by more than 20%.

V. Policy Requirements for the Compliance and Implementation of Gas-fired Hot-Air Furnaces

In 2026, environmental regulations governing industrial heating equipment such as gas-fired hot-air furnaces will be further refined across regions. Procuring entities are required to familiarize themselves with local policy requirements during the project implementation phase to ensure smooth acceptance of the equipment.

5.1 Latest Regulatory Requirements Related to Emissions

By 2026, industrial parks in the vast majority of first- and second-tier cities across China will be required to ensure that newly installed gas-fired hot-air furnaces have nitrogen oxide emission concentrations no higher than 50 mg/m³; in certain key environmentally‑controlled areas, the limit will be further tightened to below 30 mg/m³. When procuring such equipment, it is essential to confirm in advance with manufacturers that the units’ emission parameters comply with local regulations.

5.2 Information Related to Energy-Saving Subsidy Applications

In 2026, more than 20 provinces nationwide will introduce subsidy policies for the purchase of industrial energy-saving equipment. Purchasers of gas-fired hot-air furnaces that meet energy-efficiency standards will be eligible to apply for a special subsidy covering 10% to 20% of the equipment’s purchase price.

VI. Review of Field Application Cases for Nanjing ZhiRe Gas-Fired Hot-Air Furnaces

Nanjing ZhiRe has been deeply engaged in the waste heat recovery sector for over a decade, amassing extensive industry‑specific case studies and cutting‑edge R&D capabilities. In the first half of 2026, it has already delivered customized gas‑fired hot‑air furnace solutions to more than dozens of industrial enterprises, earning widespread recognition from its clients. Enterprises with related needs are welcome to visit our website. Contact Us on the Nanjing ZhiRe Brand Official Website , Technical Support Hotline: +86 18021417801 (same number on WhatsApp) Get a personalized plan 。

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6.1 Case Study of the Traditional Chinese Medicine Herb Drying Project Implementation

A large Chinese medicinal herb processing enterprise purchased two 600,000 kcal low-nitrogen gas-fired hot-air furnaces. After commissioning, the equipment has maintained a thermal efficiency of approximately 95%. Compared with the previously used outdated equipment, this upgrade saves nearly RMB 12,000 per month in gas costs, enabling the investment to be recouped in less than three years.

6.2 Case Study of a Heating Project for a Food Processing Enterprise

A food manufacturing company customized an intelligent temperature-control system to accompany its gas-fired hot-air furnace, achieving heating‑temperature accuracy within ±1°C. This has significantly boosted the pass rate of the drying process, raising the yield of conforming products from 92% to 98.5% and delivering a marked improvement in production efficiency.