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Drying unit

Control humidity levels in the air.

Benefits of a natural gas drying unit

Used with a rotary heat exchanger, the drying unit helps remove moisture from the air, allowing for a precise control of humidity levels in environments that require hygrometric control. The natural gas drying unit is ideal for situations where a stricter control of humidity levels in the air is required. More precise and thorough than ventilation or condensation systems, the drying unit removes moisture from the air faster and more efficiently.

Chart comparing annual energy costs3 equivalent to 68,327 m3 (100% process) which represents energy consumption for a medium-sized industry.

Reduce your energy costs

Lower your energy bills by installing a natural gas air-drying unit – the perfect complement to your ventilation system. Not only is natural gas more efficient than fuel-oil, it also costs less.

Choose performance

Control your air quality! When the airflow to be treated exceeds 1000 l/s (2000 CFM), a natural gas drying unit is the preferred choice, thanks to its speed, capacity and reliability.

See Data Sheet (PDF)


Choose the reliability of Énergir's network

By opting for natural gas, you are choosing Énergir’s reliable and secure distribution network! One of the most modern in North America, it meets the Canadian gas industry’s strictest standards and is monitored day and night, 365 days a year.

Like what you see?

A Énergir expert will make sure that it is the right equipment for your needs and will explain how to proceed to have it installed.


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1. The rebates are applicable to businesses located on the Énergir gas network and equipped with central heating appliances, provided that they do not have a heat pump or dual-energy heating system. The amount of financial assistance is based on expected natural gas consumption, the type of appliance to be installed and the total amount of the investment. The 15% total corresponds to a potential customer who installs a natural gas warm-air furnace with a capacity of 10,000 m3. The rebates are subject to credit approval and eligibility for the natural gas Consumption Rebate Program and the Energy Efficiency Program. The terms and conditions of the program and the amounts of financial assistance are subject to change without notice. A five-year natural gas supply contract is required. Other conditions may apply. The financial assistance will only be paid once the natural gas appliance(s) is(are) installed. The eligibility criteria are listed in the Consumption Rebate Program guide approved by the Régie de l’énergie, a copy of which may be obtained on request.

2. The rebates are applicable to businesses located on the Énergir gas network and equipped with oil-fired central heating appliances, provided that they do not have a heat pump or dual-energy heating system and that the expected new natural gas appliance consumption is at least of 3,600m3 of natural gas. Other conditions may apply. The terms and conditions of the program and the amounts of financial assistance are subject to change without notice. To benefit from this grant, you must sign a contract with Énergir or an Énergir Natural Gas Certified Partner first.

1-2: The cost to switch to natural gas includes a basic connection charge of $300. An additional cost may apply if an extension to the natural gas network is needed, plus an additional contribution based on the expected consumption of natural gas.

3. According to the prices in effect from July 1, 2021 to August 31, 2022. Based on Énergir rates and those of Hydro-Québec approved by the Régie de l’énergie; takes into account base electric consumption and rack price of oil with 2% sulfur including, in particular, transport, distribution and CATS.