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.

NES Mechanical has been dedicated to meeting the indoor comfort needs of homeowners and businesses throughout the San Gabriel Valley for more than 34 years. As a family-owned and -operated HVAC company, we are personally invested in delivering the best possible service to our customers. Having served tens thousands of satisfied clients since 1982, you can count on us to provide expert HVAC sales, installation, repair, and maintenance service to meet your needs and budget. Buying a new heater and/or air conditioner is a major investment you, which is why we are committed to providing honest, reliable recommendations and getting every HVAC installation job done right the first time.

NES Mechanical provides the San Gabriel Valley with the best value in ductless mini-split sales, installation, maintenance, and repair. Since 1984, our team has helped thousands of residential and commercial customers achieve optimal indoor comfort and control while reducing the size of their energy bills. While most of our clients rely on centralized systems to heat and cool their homes or office buildings, a growing number of clients are beginning to discover the unique benefits of ductless mini-split systems.

Whole-home air filtration systems are designed to improve indoor air quality. They reduce pollen, viruses, bacteria, mold, dust and other particles to give you cleaner, healthier air. Air purification systems are particularly beneficial to those with allergies, asthma, or compromised immune systems since top-of-the-line models can effectively trap and kill up to 99% of airborne pathogens. If you are interested in adding a whole-home air filtration system and live in the San Gabriel Valley, call NES Mechanical today for a free on-site estimate.

At NES Mechanical, we understand how important it is for your business to have a reliable, high functioning heating and air conditioning system. Not only is your HVAC system important to your consumers, but it also plays a major role in employee productivity. By working with NES Mechanical, you can rest easier knowing that you are working with qualified experts who specialize in the installation, maintenance, and repair of commercial HVAC equipment and are dedicated to fast response times, complete customer satisfaction, and lasting results.

If your furnace requires frequent repairs and is over 15 years old, it may be time to consider replacing it. Since furnaces are among the most expensive appliances you'll buy for your home, you want to make sure you work with a reputable heating and air conditioning company who can guide you toward the right heating equipment for your needs and ensure that it is properly installed. NES Mechanical has been trusted by residents throughout the San Gabriel Valley to provide the best value in heater sales, installation, and replacement for more than 34 years.

Preventative maintenance plays a major role in the performance of your air conditioning system. By investing in annual tune-ups, your air conditioner will provide more consistent temperature control, run smoother and more efficiently, have fewer breakdowns, and last longer -- all of which help to improve your indoor comfort and save you money. At NES Mechanical, we offer affordable and comprehensive air conditioner tune-ups. During a tune-up, we'll check that your cooling system is operating properly, perform diagnostic checks on pressures and temperatures, tighten and secure all connections, ensure that the condensation is draining correctly, clean the coils, replace or clean filters, and complete a variety of other general maintenance and cleaning procedures.

NES Mechanical provides the San Gabriel Valley with expert preventative maintenance services for all residential and commercial heating systems. Our heater tune-ups are affordably priced and highly effective at preparing furnaces or combined HVAC systems for the coldest months of the year. By scheduling maintenance visits on a regular basis, you'll help your heater run smoother and more efficiently, catch problems early, improve indoor air quality, and extend the life of your system. Over the last 34 years, we've provided our HVAC maintenance services to thousands of satisfied clients and earned a reputation for quality workmanship, reasonable prices, and exceptional customer service.

NES Mechanical is the best choice for reliable heater/furnace repairs and service at an affordable price in Glendora, Azusa, Covina, La Puente, Baldwin Park, West Covina, and surrounding cities. We have more than 34 years of experience in providing comprehensive heating and air conditioning services and have become highly skilled in maintaining and repairing all major furnace brands, including Carrier, Bryant, York, Goodman, Amana, Frigidaire, Trane, and more. As a testament to our fair rates, quality workmanship, lasting results, and exceptional customer service, we have thousands of satisfied residential and commercial clients throughout the San Gabriel Valley.

Your ductwork system is an often overlooked part of your HVAC system, but it's arguably one of its most important components. If your ducts are poorly designed or leaking through holes, loose connections, and old insulation, you could experience unbalanced heating and cooling throughout your home, notice more dust and pollutants in your home, and lose as much as 20% of your system's energy efficiency. This loss of heating and cooling efficiency means that you'll need to use more energy and make your system work harder to get the level of indoor comfort you prefer.

NES Mechanical provides affordably priced, high-quality air conditioner repairs and service to Glendora, Azusa, Covina, West Covina, Baldwin Park, La Puente, and the San Gabriel Valley. We've served thousands of satisfied residential and commercial customers since 1982 and earned a reputation for accurate diagnoses, honest recommendations, reliable results, fair prices, and excellent customer service. All of our AC repairs are performed by experienced NATE-certified HVAC technicians who are experts in fixing all kinds of cooling issues, including no or intermittent cooling, unusual noises, popping fuses, broken thermostats, and no air coming through the supply registers.

Carrier's thermostats and controls are designed to help you get the most out of your Carrier heating and air conditioning system. Not only do they provide exceptional climate control, but they also help maximize your energy savings. With Carrier's large range of thermostat and control options, we're confident that we'll be able to match you to a Carrier thermostat to match your specific indoor comfort needs and preferences. All Carrier thermostats and controls are designed to integrate with and complement the HVAC equipment within its respective series.

NES Mechanical is a family-owned and -operated heating and air conditioning company with more than 34 years of experience helping residential and commercial clients throughout Glendora, Covina, Azusa, and the San Gabriel Valley get the best heating and air conditioning systems for their needs and budget. Because Carrier air conditioners are among the most innovative, dependable, and energy efficient available on the market today, they have won numerous Energy Star and Consumer Digest Best Buy awards.

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