On New Installations Contact AC & Heating Company

Proudly Serving Glendora, Azusa, West Covina & The San Gabriel Valley Since 1982

Dedicated to Maximizing Your Indoor Comfort & Energy Efficiency

Family Owned & Operated Affordable Experienced Honest

The Best Choice for Heating & Air Conditioning Service in Glendora & the San Gabriel Valley

NES Mechanical provides high-quality, affordable heating and air conditioning services in Glendora, Azusa, Covina, West Covina, La Puente, Baldwin Park, and surrounding cities. Our family-owned and -operated business has served the local community for more than 34 years and cultivated a reputation for exceptional service. As a result, we've become one of the preferred HVAC companies in the San Gabriel Valley for heating and air conditioning repairs, tune-up/maintenance, sales, installation, and replacement; ductwork installation, repair, and replacement; and whole-home air filtration systems. As a testament to our reliable workmanship, fair prices, and honest business practices, we have thousands of satisfied residential and commercial clients and a large base of loyal customers who always call us first for all their heating and cooling needs.

Experienced, NATE-Certified HVAC Technicians

At NES Mechanical, we are dedicated to your indoor comfort, which is why we have made it a priority to have highly qualified staff, superior HVAC products, and an unwavering commitment to complete customer satisfaction. Our heating and air conditioning service technicians have an average of 10+ years of industry experience and are all certified by North American Technician Excellence (NATE). NATE-certified HVAC technicians have proven their expertise in heating and air conditioning repair and service, furnace and AC installation, and/or commercial HVAC. This means that you can rely on our technicians to be thoroughly knowledgeable in the best practices for repairing, maintaining, and installing heating and air conditioning systems.

Carrier Factory Authorized Dealer

100% Satisfaction Guaranteed for One Year

NES Mechanical is very proud to be a Carrier Factory Authorized Dealer. Carrier has been one of the world's leading heating and air conditioning manufacturers since 1902. They are known for producing high-technology air conditioners, furnaces, heat pumps, packaged systems, ductless mini-splits, and related products, and their pledge to Service Excellence. In order to assure a consistent level of quality and service, Carrier requires its Factory Authorized Dealers to continuously meet strict national standards and maintain high customer satisfaction scores. They also require that our technicians not only be NATE certified, but also Carrier trained in their products and the proper way to install, repair, and maintain them. By working with a Carrier Factory Authorized Dealer, you can rest easy knowing that our work will be done right -- guaranteed. Carrier heating and cooling systems are backed by an impressive 100% satisfaction guarantee for one year.

Call Today for Heating & Air Conditioning Repairs, Sales, Installation or Maintenance in Glendora, Covina, Azusa, Baldwin Park, La Puente & Other Nearby Cities in the San Gabriel Valley

Call NES Mechanical today for the San Gabriel Valley's best value in heating and air conditioning service. We offer free on-site or in-home consultations with a Comfort Advisor for all new installations. Our Comfort Advisors are experts in customizing heating and air conditioning systems for maximum comfort and optimal energy efficiency. They can design a solution for your specific needs, and provide options to fit nearly any budget. Additionally, they can make you aware of current tax rebates and incentives and review the financing options available through Carrier and the HERO program. We also offer reliable heating and air conditioning repair and maintenance services for all major brands at fair and competitive prices. NES Mechanical is a fully licensed and insured heating and air conditioning contractor centrally located in the San Gabriel Valley.

100% Satisfaction
Carrier HVAC Dealer Hero Registered Contractor IHACI Member NATE Certified HVAC Technician


" This is business that really cares about the customer. They were honest, professional, and helpful in every step of the process. We could not repair the old system (more than 30 years old), so they gave us options, and let us choose what was best for us . . .

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