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Heat Pump Dryer Manufacturer in India | Low Temperature Dehumidification Dryers

Genex Tech Industries LLP is a trusted Heat Pump Dryer manufacturer in India, supplying energy-efficient low temperature drying systems for herbs, fruits, vegetables, spices, seafood, tea, and specialty agricultural products.

A Heat Pump Dryer (also called a Dehumidification Dryer) is designed for gentle drying at 30–45°C, where conventional hot air drying or sun drying can damage colour, aroma, nutrients, and product structure.

Our heat pump drying systems are engineered for:

  • stable low-temperature drying

  • high nutrient and aroma retention

  • reliable drying in high humidity climates

  • reduced operating cost through heat recovery

  • safe, clean, and automated operation

Why Heat Pump Drying is Superior to Sun Drying & High-Temperature Drying

Conventionally, products are dried either:

  • outdoors using sun drying (weather dependent), or

  • using high temperature dryers (electric/gas fired)

Both methods have limitations:

Sun Drying Challenges

  • depends on weather and climate

  • inconsistent moisture reduction

  • contamination risk (dust, insects, handling)

  • unpredictable final quality

High Temperature Drying Issues

  • can damage nutrients, colour and aroma

  • may cause case hardening and texture loss

  • can create unpleasant smell in sensitive crops

  • unsuitable for premium herbs and specialty materials

For high-value products such as ginseng, herbs, medicinal roots, tea, spices, mushrooms, and specialty fruits, low-temperature drying is critical to preserve market value.

What is a Heat Pump Dryer?

A Heat Pump Dryer is a drying system that combines:

  • controlled warm air circulation

  • dehumidification (moisture condensation)

  • heat recovery from exhaust air

Instead of wasting heat through exhaust, a heat pump dryer recovers both sensible and latent heat from the moist exhaust air and recycles it back into the drying chamber.

This makes it one of the most energy-efficient drying technologies available for low-temperature applications.

Working Principle of Heat Pump Dryer (Simple Explanation)

A heat pump dryer operates on an air-conditioning cycle using four main components:

  • Evaporator

  • Compressor

  • Condenser

  • Expansion Valve

How the Cycle Works

  • Moist air exits the drying chamber

  • Air passes through the evaporator and is cooled below dew point

  • Moisture condenses and drains out as water

  • The compressor increases refrigerant pressure and temperature

  • The condenser reheats the air

  • Warm, dry air returns into the drying chamber

  • The cycle repeats continuously until target moisture is achieved

This system enables continuous drying with 2-stage waste heat recovery, significantly lowering electricity consumption.

Key Benefits of Genex Heat Pump Dryer

Energy Efficient Operation

  • consumes only a fraction of energy compared to electric heating

  • typically 1/3 to 1/4 power consumption

  • 1 kWh electricity can deliver up to 4 kWh heating effect (high COP)

Low Temperature Gentle Drying

Ideal for premium products requiring 30–45°C drying to protect:

  • nutrients

  • aroma

  • colour

  • structure

  • active compounds

Works in High Humidity Conditions

Unlike conventional hot air drying, heat pump dryers can operate effectively even when ambient humidity is high.

Safe and Reliable

  • semi-closed drying system

  • no combustion gases

  • no fuel risk

  • no flammable hazards from burners

  • stable and controlled drying environment

Automatic Operation

  • fully automatic control

  • 24×7 continuous drying

  • minimal labour requirement

Clean & Hygienic Drying

  • enclosed chamber reduces contamination

  • consistent drying quality for export-grade products

Heat Pump Dryer Applications

Genex heat pump dryers are widely used for:

Herbs & Medicinal Crops

  • ginseng

  • ashwagandha roots

  • maca

  • chrysanthemum flower

  • ganoderma / glossy mushroom

  • honeysuckle flower

  • angelica root

  • yam and medicinal roots

Fruits

  • banana, mango, apple, pineapple

  • grapes and raisins

  • kiwi, fig, strawberry, blueberry

  • lemon, plum, date, longan, litchi

  • coconut drying (chips / slices)

Vegetables & Agro Products

  • cassava

  • garlic, onion, tomato

  • okra, bamboo shoot

  • sweet potatoes

  • chilli and red pepper

  • dried vegetables and mushroom products

Food Products

  • noodles and rice noodles

  • grains, nuts and seeds

  • seaweed

  • beancurd sticks

  • sausage and preserved meat products

Seafood

  • fish, squid, shrimp

  • sea cucumber

  • anchovy and dried seafood

Tea

  • black tea

  • herbal and flower teas

Other Industrial

  • incense drying

  • bamboo and wood products

  • specialty drying for agricultural by-products

Genex Heat Pump Dryer Features

Easy Installation

  • compact footprint

  • chamber and machine are easy to install

  • can be installed indoors or outdoors

Eco-Friendly and Cost Saving

  • saves up to 75% operating cost compared to coal, oil, or gas systems

  • minimal heat loss due to recovery cycle

Safe and Clean Drying

  • no flammable fuel storage

  • no toxic exhaust gases

  • enclosed and controlled drying chamber

Long Service Life

  • based on mature air-conditioning technology

  • stable performance with low maintenance

Automation & Intelligent Control

  • automatic thermostat and humidity control

  • continuous drying without operator dependency

Wide Range of Applications

  • suitable for food, pharma, chemical, paper, leather, wood, and agriculture processing

Key Heat Pump Dryer Components (High-Quality Engineering)

Compressor

We use premium scroll compressor technology designed for:

  • long service life

  • high efficiency

  • over-temperature and over-current protection

  • high/low pressure protection

Electronic Expansion Valve

Digital control for accurate refrigerant flow and improved COP performance.

Evaporator

Hydrophilic film aluminum foil design for improved heat exchange and moisture condensation efficiency.

Typical Technical Specifications (Customisable)

  • Drying temperature range: 30°C to 60°C (product dependent)

  • Operation: closed-loop / semi-closed dehumidification drying

  • Control: manual / PLC automation

  • Construction: insulated drying chamber

  • Capacity: custom-built based on kg/batch or kg/hr requirement

  • Heating efficiency: high COP heat recovery system

Why Choose Genex Tech Industries LLP as Heat Pump Dryer Manufacturer?

Genex Tech Industries LLP is a trusted manufacturer of industrial dryers and processing machinery.

✔ 40+ years of engineering and manufacturing expertise
✔ export-ready machines and turnkey capability
✔ process understanding for herbs, fruits, vegetables and specialty crops
✔ focus on quality, efficiency and long-term reliability
✔ strong after-sales support and spare availability

Get Heat Pump Dryer Price & Technical Consultation

If you are planning a low-temperature dehydration project for herbs, fruits, vegetables, tea, seafood or specialty crops, our engineering team can support you with:

  • dryer selection and capacity planning

  • drying chamber sizing

  • temperature and humidity process optimisation

  • quotation and technical specifications

📩 Email: mktg@foodtechprojects.com
🌐 Website: www.foodtechprojects.com