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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

Choose Carrier Factory Authorized Dealer NES Mechanical for Covina, CA's Best Value in Heating & Air Conditioning Sales, Installation, Service, Repair & Maintenance

For all of your heating and cooling needs in Covina, choose NES Mechanical. We have over 65 years of experience selling, installing, maintaining, and repairing air conditioners, furnaces, heat pumps, combined systems, thermostats, and air filtration systems. We are licensed and insured, and our NATE-certified technicians have an average of 10+ years of experience, ensuring we get every job right, the first time, every time. Our prices are very competitive for the exceptional quality of our services, and we stand behind all our work with a written warranty.

Because we understand that our Covina customers are on the lookout for the best value in heating and air conditioning services, we exclusively sell and install Carrier heating and air conditioning equipment. Carrier's HVAC products feature durable construction, energy-efficient engineering, quiet operation, award-winning performance, and a 100% satisfaction guarantee. Carrier has high standards not only for their products, but also for their dealers. They carefully screen all HVAC (heating, ventilation, and air conditioning) companies looking to earn the Carrier Factory Authorized Dealer designation, requiring that they meet strict requirements for certification, training, insurance, customer service, and business practices. By having a Carrier Factory Authorized Dealer install your new Carrier heating or air conditioning system, you'll be certain to enjoy a long-lasting, cost-effective solution that will more than meet your expectations for indoor comfort.

Call NES Mechanical today, at (626) 914-5696, and join the tens of thousands of satisfied customers across the San Gabriel Valley who have already made us their heating and air conditioning company of choice.

Top 10 Reasons to Choose NES Mechanical for HVAC Services in Covina, CA

  1. Family Owned & Operated, Locally Based HVAC Company
  2. Carrier Factory Authorized Dealer
  3. Excellent Record for Customer Satisfaction
  4. 34+ Years of HVAC Experience
  5. Low, Flat Rates for AC and Heater Diagnostic Checks
  6. Registered HERO (Home Energy Renovation Opportunity) Contractor
  7. 100% Satisfaction Guarantee on All Carrier AC/Heater Installations
  8. Free On-Site Consultations on New Heater and Air Conditioner Installations
  9. 100% Financing Options for Energy Efficiency Upgrades & New HVAC Installations
  10. All HVAC Repairs Backed by Parts and Labor Warranties

NES Mechanical - Providing Exceptional HVAC Services to Covina Since 1982

At NES Mechanical, we aspire to build long-term client relationships based on superior service, value, and respect. That's why we, unlike other HVAC companies in Covina, prioritize your best interests at all times. When you call us you will always work with a knowledgeable HVAC professional, such as a Carrier trained Comfort Advisor or a NATE-certified service technician. Our team is knowledgeable in the industry's latest innovations and best practices, and are always willing to provide honest, cost-efficient solutions to meet your heating and/or cooling needs. Call today to learn more.

Our Heating Services

Heater Sales & Installation Services for Covina - Carrier Gas Furnaces, Heat Pumps, & Packaged HVAC Systems

At NES Mechanical, we sell and install Carrier's three lines of heaters: Infinity, Performance, and Comfort. With sturdy construction, precise temperature control, and high AFUE (annual fuel utilization efficiency) ratings, Carrier's gas furnaces, heat pumps, and packaged HVAC systems all offer incredible value. Plus, having a Carrier Factory Authorized Dealer, such as NES Mechanical, sell and install your Carrier heating system will qualify you for a one-year, 100% satisfaction guarantee. Carrier Factory Authorized Dealers have been trained on how to properly install furnaces according to Carrier's exact specifications and are committed to only using factory-authorized parts and techniques. Call today and schedule a free consultation for our Carrier authorized heater/furnace sales and installation services in Covina.

Heater/Furnace Service and Repair for Covina, CA – Carrier, Goodman, Trane & More

Save yourself time and money by hiring an experienced, NATE-certified technician for the service or repair of your heater/furnace in Covina. We offer a comprehensive diagnostic check for one low fee during which one of our HVAC experts will visit your Covina property and thoroughly inspect your heating system's ductwork, heat exchangers, blower components, filters, and more in order to determine what repairs are needed. Our heating experts have an average of 10 years' experience servicing all major makes and models of heaters, and always work in as efficient a manner as possible without compromising the integrity of their work. They participate in ongoing trainings and stay informed about the industry's latest repair techniques, ensuring they properly repair your heater or furnace and achieve lasting results every time. Call today to schedule high-quality heater/furnace service and repair in Covina.

Heater/Furnace Tune-Up & Scheduled Maintenance Services in Covina, California

Just as a car requires regular maintenance to keep it running smoothly, efficiently, and dependably, so does your heating and air conditioning equipment. Prior to the winter, a furnace should be able inspected, cleaned, and adjusted by a qualified HVAC technician to ensure that it is safe to operate and ready for the months when it will be needed the most. A well-maintained heater isn't just more reliable, it's also more efficient, which helps to keep your energy costs down. Call today to schedule your furnace tune-up in Covina or to sign up for a residential or commercial Service Agreement.

Our Air Conditioning Services

Air Conditioning Sales & Installation Services in Covina: Carrier Air Conditioners, Heat Pumps & Combined HVAC Systems

When you want to install a reliable air conditioning system at your Covina home or business, choose NES Mechanical. We sell and install Carrier's entire line of quality air conditioners, heat pumps, and combined HVAC systems, all of which have an excellent reputation for outlasting competitor models, delivering unparalleled indoor comfort management, and operating at exceptional levels of energy efficiency (with SEER ratings between 15 to 21). By having one of our knowledgeable and experienced HVAC technicians visit your home, perform a thorough load analysis, and assess your indoor comfort preferences, we'll determine what size AC unit will precisely meet your needs. In addition to expert recommendations, our technicians are also qualified to install your new air conditioner according to Carrier's strict standards, ensuring you enjoy optimal indoor comfort and energy savings for years to come. In fact, because we are a Carrier Factory Authorized Dealer, every air conditioner we sell and install in Covina is eligible for Carrier's one-year 100% satisfaction guarantee and 10-year parts limited warranty. Call today to schedule a free, on-site estimate at your Covina home.

Air Conditioner Service and Repair for Covina, CA – Carrier, Goodman, Trane & More

NES Mechanical provides those in Covina with first-rate air conditioner service and repairs. Over the last 34 years, we have helped tens of thousands of satisfied customers receive exceptional air conditioner repairs at an affordable price. Our NATE-certified and Carrier-trained technicians average more than 10 years of experience and have worked on most major makes and models of air conditioners, heat pumps, and packaged systems. You can trust them to show up when promised and arrive fully prepared to get the job done. Call today to set up an AC service or repair call at your Covina property. We specialize in Carrier but are qualified to repair any major HVAC brand.

Air Conditioner/AC Tune-Up & Scheduled Maintenance Services in Covina, California

At NES Mechanical, we are dedicated to helping our Covina customers achieve maximum indoor comfort and energy efficiency. One of the best ways to do this is by investing in annual HVAC maintenance. For air conditioners, this maintenance should be scheduled every spring, in advance of the hot summer months. When we provided preventative maintenance for an air conditioner, we perform a 14-point tune-up that includes cleaning the condenser coil, lubricating moving parts, adjusting the blower components, testing the condensate pump, tightening electrical connections, testing starting capabilities, monitoring the refrigerant pressure, measuring the air temperature differential, measuring amperage and voltage, and inspecting the blower motor, filtration system, condensate drain, and evaporator coil (if accessible). This comprehensive tune-up helps your air conditioner perform at optimal levels, catches potential problems early, and allows your equipment to run as efficiently as possible. Our Covina AC tune-up service is affordably priced and easy to schedule. For those interested in ongoing preventative maintenance for both their air conditioner and furnace, we offer highly cost-effective Service Agreements that come with additional savings and priority service.

Our Ductwork Services

Central HVAC Ductwork Services in Covina, CA: Inspection, Installation, Repair & Replacement

Most Covina residents are surprised to learn just how much of an impact an improperly installed or leaking air duct system can have on their air conditioner or heater's efficiency and performance. Badly designed, leaking, or dirty ductwork make your HVAC system work harder, which can lead to unbalanced heating and cooling throughout your home or business, more repairs, higher energy bills, and/or a shorter lifespan. That's why at NES Mechanical we emphasize to our Covina customers how important it is to ensure that your ductwork system is properly supporting your HVAC system. We offer expert ductwork inspection, repair, installation, and replacement services throughout Covina at competitive prices for both residential and commercial customers. Call today to learn more.

Our Thermostat & Control Services
Top-Quality HVAC Thermostats & Controls from Carrier - Covina, CA

To get the most out of your Carrier heating and air conditioning system, it's important that you have a comparable thermostat or control from Carrier. Carrier offers three lines of thermostats: Comfort, Performance, and Infinity. These thermostats are considered among the best on the market because of their advanced technology, easy-to-use interfaces, convenient one-touch buttons, and stylishly designed faceplates. In addition, they have models that allow users to program up to seven days, control up to 8 zones, and manage the thermostat remotely through their smartphone or tablet. Call today if you need thermostat repairs or replacement/installation.

Air Filtration Systems
Breathe Fresher, Cleaner Air in Covina, CA with Carrier's Whole-Home Air Filtration Solutions

Significantly reduce the allergens and pollutants in your Covina home by installing a Carrier air filtration system. An air filtration system can be integrated into any central heating and air conditioning system. We carry a wide variety of air filtration system options, from our budget-friendly Comfort Series cabinet air filters to our Infinity Series MERV-15, germicidal air purification systems. To determine which model will best meet your needs, call and speak with one of our Comfort Advisors today. We provide honest, in-home recommendations anywhere in Covina at no cost and with no obligation to buy.

NES Mechanical Covina - 91722, 91723, 91724, California (CA)
Area code (626)
Carrier HVAC Dealer IHACI Member NATE Certified HVAC Technician Hero Registered Contractor
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" 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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New Equipment Gallery
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  • Infinity 16 Air Conditioner
  • Performance Series Air Conditioners
  • Performance 17Air Conditioners
  • Comfort Series Air Conditioners
  • Performance Series Heat Pumps
  • Infinity ICS Gas Furnace
  • Performance Boost 90 Gas Furnace
  • Infinity 80 Gas Furnace
  •  Performance Boost 80 Gas Furnace
  • Performance 80 Gas Furnace with Comfort Heat Technology
  • Comfort 80 Gas Furnace
  • Carrier Infinity 98 Furnace
  • Air Filtration Products
  • Ultra Slim Edge Thermostats
  • Carrier's Edge Thermostats
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