Ratchata Engineering and Service Co., Ltd.

Ratchata Engineering and Service Co., Ltd.
is a 100% Thai owned company established in 2001 by a group of Thai engineers in field M&E and air-conditioning (HVAC), aiming to become a leading HVAC Environment and Energy management company with innovative technology, Top quality product and services in the Thai air-conditioning industries and HVAC contracting business RESC as a Thai entrepreneur has grown firmly in reputation as a reliable and cooperative supplier and Engineering contractor serving a wide range of commercial and industrial businesses. These include the industries of Micro Electronics, Pharmacy, and Refinery, Hospital, Department stores, Hotel and Structure Project

Our key to success is simple and straight forward, customer satisfaction leads to long lasting business relation and an untainted reputation among world class customer.

Who We Are


Our mission is to be the market leader in the filtration industry by being an innovative, proactive, technically supportive supplier of quality products that are of true value to our customers. Our products will be manufactured in an environment conducive to the safety of our employees and with performance designed for the benefit of our environment.


Ratchata Engineering is committed to providing innovative solutions that improve indoor air quality for all. Our Vision is to be the world leader in performance HVAC filtration, performance paint filtration. This will be accomplished by becoming the supplier of choice, the employer of top industry talent and by requesting a fair profit for the value we create.

Core Focus


Purpose: Our ambition is to promote the health and wellness of humankind through purifying and improving indoor air quality.

Integrity : 

Trust is the cornerstone of our business. We build trust with humility, respect, fairness and by acting honorably in all that we do.

Customer Focus :

Everything we do revolves around the customer. We will always put the customer first and go the extra mile to be the supplier of choice.

Innovation :

We are driven daily to create unique and effective solutions that add value to our customers, our company and to everyone using our products.

Commitment :

We always do what we say and are passionate about following through on our promises. We have steadfast dedication to the success of each customer and to every team member. We are also committed to the end users of our products and we endeavor to continually improve our technology and to enhance the purity of the air that we breathe.

Policy on Quality

Quality is RESC’s greatest competitive advantage. In order to guarantee each product achieved the qualified standard, a formulation of the complete quality management program was made during the product development and production processes, from the purchasing of the raw material to the final packing, they required to undergo a rigorous 10 stages of quality testing and screening processes. Each procedure is being strictly conducted. Therefore, no matter who you are or where you come from, you will be satisfied with the RESC product!

Quality Flow Chart Control

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