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Solving the heating needs for high and large space (H:4-30m). Adopting direct combustion of gas in the gas coil to heat the air, it is integrating heating and fresh air function, with variable fresh air volume for mixed or fresh air operation.
High heat exchange efficiency, easy installation, stepless regulation of heating volume, start and stop at any time, anti-freeze protection, sufficient burning, environmental emissions, multiple security protection, safe and reliable.
Model: AirTS-GFD
Function: heating
Hot source or medium: natural gas
Control mode: wireless control, variable frequency, auto monitoring
Quality Assurance
Stable and Durable.
After-sales Service
24H Online.
High Efficiency & Energy Saving
Thermal conversion efficiency up to 98.9%, direct gas-fired heating avoids water system heat loss.
Top heat recovery reduces temperature stratification in large spaces, improving overall energy efficiency.
Low Investment & Operating Costs
Initial investment ~20% lower than traditional water heating systems.
Direct gas heating without boiler rooms or circulation systems saves up to 40% of operating costs.
Simple system design ensures low maintenance costs and minimal failure rates.
Flexible Control & Comfort
Stepless regulation of heating capacity and airflow; gas flow automatically adjusts according to temperature requirements.
Accurate air-gas ratio control ensures full combustion and environmentally friendly emissions.
Supports mixed fresh air or full fresh air mode, enabling air renewal while maintaining temperature control.
Safe & Reliable
Multiple safety protections including anti-freeze, combustion monitoring, and emergency shutdown.
Real-time monitoring system with alerts and fall-prevention warning.
Easy Installation
No boiler room, heat exchange station, or complex piping required.
Unattended operation possible; simple and convenient installation.
Wide Space Adaptability
Designed for high and large spaces from 4–30 meters.
Flexible installation height suitable for factories, warehouses, sports facilities, and large public buildings.
High Expandability
Optional dual-fuel or three-stage burner configurations for higher heating capacity.
Additional burners increase height, weight, and power consumption slightly, allowing flexible scaling.
Working Principle
Natural gas mixed with air burned through burner, and the heat passes through heat exchanger.
The axial fan provides power to top side, make the return air take away the heat through heat exchager.
After two pressure boosts and silencers, hot air sent to the heating area in the floor.
Functions
Real-time monitoring
Multiple guarantees, safe and reliable
Low investment, easy installation
Accurate energy saving
Fall prevention warning and monitoring
Gas consumption accurately proportioned to air volume
Stepless regulation of heating capacity
Fresh air and top heat recovery
Technical Comparison
System configuration of gas heating unit
1. Energy source: natural gas
2. Civil engineering requirements: none
3. Personnel requirements: unattended system
4. System configuration: gas heating unit
System configuration of traditional heating unit
1. Energy source: water, electricity, natural gas
2. Civil engineering requirements: boiler room or heat exchange station
3. Personnel requirements: furnace worker, maintenance worker
4. System configuration: gas boiler or thermal power plant, circulating water pump, primary and secondary circulating water network, heat exchanger, boiler room or heat exchange station, water tank, etc.
The gas heating system as follows
A. Low initial investment-20% lower initial investment compared to traditional methods
B. Low running costs-direct heating, waterless system saves 40% of operating costs
C. Low maintenance costs-simple system and low failure rate
The water heating system as follows
A. High initial investment - complex system and many equipment
B. High running costs - 30~40% of non-heating ineffective losses
C. High maintenance costs - more equipment, more failure points, high failure rate
Advantage of gas heating unit
1. Thermal conversion efficiency is above 96%.
2. Deliver heat directly and possess the capability to recover heat from the top of the space, thereby reducing temperature gradients in the space.
3. Stepless regulation of heating capacity (automatically adjust gas flow according to temperature requirement) and accurate temperature control.
4. To meet the heating requirements of the same project,the quantity of gas heating unit is half compared with gas radiation unit.
5. The air volume is accurately proportioned according to the gas flow (one-thousandth fine adjustment) to ensure full combustion and environmentally friendly emissions.
Specification
| Fresh Air Top Heat Recovery Gas Heating Unit | ||
| Model | AirTS-GFD | |
| Rotating speed of fan | r/min | 0~860 |
| Standard circulating air volume | m³/h | 0~8700 |
| Voltage | V | 380±5% |
| Electric power | kW | 0~1.91 |
| Current | A | 0~4.2 |
| Suitable installation height | m | 4~16 |
| Heating capacity | kW | 0~54.75 |
| Air consumption | m³/h | 5.21 (Working condition)/ 5.64 (Standard condition) |
| Supply gas pressure | Kpa | 5~10 |
| Working pressure | Kpa | 2 |
| Thermal efficiency | η | 98.90% |
| Control mode | Stepless regulation of variable gas volume and wind speed | |
| Noise | dB | <60 |
| Dimension | ||
| Model | AirTS-GFD | |
| A | mm | 1100 |
| B | mm | 1840 |
| C | mm | 850 |
| E | mm | 100 |
| F | mm | 540 |
| H | mm | 935 |
| J | mm | 170 |
| K | mm | 120 |
| M | mm | DN80 |
| N | mm | DN20 (external thread) |
| O | mm | 550 |
| P | mm | 600 |
| R | mm | 455 |
| T | mm | 75 |
| Weight | kg | 230 |
| M | mm | 642 |
| weight | kg | 263 |
• Notes: The above sizes and weight are corresponding to single burner(54.75kW). • There are optional items for dual fuel burner (109.5kW) and three slot burner (164.25kW). • It is recommended to use a dual fuel burner or three-slot burner configuration in cold areas. | ||
• Each additional set of burners: Height B increase: 400mm Weight increase: 83kg Gas consumption increase: 5.21m³/h Power consumption increase: 75W | ||
Application
Industrial Workshops: Production lines, assembly plants, metal processing factories.
Warehouses & Logistics Centers: Storage facilities, cold storage supplementary heating, large-scale warehouse spaces.
Sports Facilities: Gymnasiums, swimming pools, ice rinks, and other large indoor venues.
Public Buildings: Exhibition halls, convention centers, indoor markets.
Special Requirements: Spaces needing mixed or full fresh air circulation combined with heating.
The AirTS-GFD Fresh Air Top Heat Recovery Gas Heating Unit is a highly efficient, safe, and energy-saving solution for large spaces. With low investment, low operating costs, flexible control, and easy installation, it is an ideal alternative to traditional boiler and water-based heating systems.
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