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

Dedicated to Maximizing Your Indoor Comfort & Energy Efficiency

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Customer Submitted Reviews

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.

They have excellent communication - every call was either handled right away, or a return call was no later than the next day.

The installers were VERY careful and neat. No mess was left from one day to the next.

After the job was finished and paid for, they called again just to check how the system was running, and if we had any questions or concerns.

They put in an air conditioning and heating system.

They did a great job, Ed is the owner and he was really good, he came out after all the work was done and he showed me how to do the heating system. He would also come in while the work was being done. The outstanding thing about this was that the boss was clearly involved and knew what was going on.

Service call to check A/C and heating system, insulation, and duct work because of recent fire near our home.

NES Mechanical originally installed our complete system in 2006. We have been very happy with this 96% efficient system because it works in stages with no gushes of hot or cool air, very quiet, and best of all saves us tons of money. We even received rebates when we installed the system. NES did and continues to do excellent work. Last service was routine, but they did repair some ducting and insulation. NES is efficient, professional, and an outstanding value.We are in our 60's, retired, and want our home to be comfortable all the time. We are very happy with the system and service provided by NES Mechanical.

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OUR SERVICE AREA INCLUDES
  • Montclair, CA
  • Montebello, CA
  • Monterey Park, CA
  • Pasadena, CA
  • Pomona, California
  • Rosemead, CA
  • San Dimas, CA
  • San Gabriel, CA
  • San Marino, CA
  • Sierra Madre, CA
  • South El Monte, CA
  • South Pasadena, CA
  • Temple City, CA
  • West Covina, CA