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8 Years
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Emergency
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Trusted HVAC Services in Southern California
Our Service is a Breath of Fresh Air - this is our commitment to every customer we serve. Since 2018, Atara Mechanical has been dedicated to providing honest, trustworthy, and affordable HVAC solutions to both residential and commercial clients in Eastvale and throughout Southern California. We pride ourselves on treating our customers as part of our extended family rather than just another job. Our team specializes in HVAC installations, repairs, and preventative maintenance, always focused on transparency, value, and customer satisfaction. Our technicians operate without commission, ensuring we never recommend unnecessary repairs or equipment.

We provide detailed diagnostic reports and clearly explain all available options for every situation. With technicians available Monday through Saturday, we're here to handle all your heating and cooling needs with fair pricing that leaves you with peace of mind. We use only the highest quality parts and equipment, and we're committed to finding solutions that fit your specific needs and budget. Our goal is simple - to provide a service that is truly a breath of fresh air in the HVAC industry. We thank you for trusting us to service your home and welcome you to the Atara family.
Services
HVAC Installations HVAC Repairs Preventative Maintenance Diagnostic Reports System Inspections Home Comfort Solutions Emergency HVAC Services Energy Efficiency Assessments Air Quality Testing System Performance Reporting
Details
  • Year established: 2018
Highlights and features
  • Our technicians earn NO COMMISSION as part of diagnosing or servicing your equipment.
  • You will NEVER be sold items you don't need.
  • We provide a diagnostic report as well as a clear explanation of all of your available options.
  • We serve residential and commercial heating and cooling clients with money-saving solutions.
  • We use only the highest quality parts and equipment with honest recommendations.
What people say
Honest recommendations Knowledgeable technicians Satisfaction guaranteed Fair pricing Reliable service
Services
HVAC Installations
We provide comprehensive HVAC installations for residential and commercial properties. Our experts evaluate your current system's life expectancy before recommending replacement, ensuring cost-effective solutions. We work with most carriers to install reliable, investment-worthy systems while maintaining professional and clean project execution. Our 10-year workmanship warranty gives you additional peace of mind with new full system installations.
HVAC Repairs
Our technicians address HVAC issues efficiently with transparent repair options. We provide upfront, detailed quotes for all recommended repairs and stock our vehicles fully to complete most repairs during the initial visit. Our commitment is to never suggest unnecessary repairs while ensuring prompt resolution of your heating and cooling concerns. We focus on providing trustworthy service that delivers value to our customers.
Preventative Maintenance
We offer semi-annual preventative maintenance to optimize HVAC system performance. Our service includes thorough cleaning, comprehensive inspection, and detailed system performance reporting. This proactive approach helps extend your system's lifespan and ensures year-round operational efficiency for homeowners and businesses. Regular maintenance helps identify potential issues before they become major problems.
Diagnostic Services
Our team provides detailed diagnostic assessments with clear explanations of all available options. We deliver comprehensive reports to help customers understand their HVAC system status. This service ensures informed decision-making while maintaining our commitment to honest, non-commission-based service recommendations. Our diagnostic process helps identify the most effective solutions for your specific needs.
System Performance Assessment
We conduct in-depth evaluations of HVAC system performance to identify optimization opportunities. Our assessments include detailed reporting on current equipment operation and energy efficiency potential. This service helps customers make informed decisions about maintenance, upgrades, or replacements to improve comfort and reduce energy costs. We focus on providing solutions that maximize system performance and efficiency.
People
Omar Lopez
CFO and Founder
With over 10 years of experience in the HVAC-R industry, Omar founded Atara Mechanical in 2018. He emphasizes honest, family-oriented service and takes pride in resolving customer HVAC issues with satisfaction.
Brittany Lopez
President
As Omar's wife, Brittany provides a relatable experience for customers with 10+ years of customer service and managerial experience, creating lasting impressions with every interaction.
Rosselyn Velasquez
Office Manager
Rosselyn manages office operations and supports the Atara Mechanical team in delivering exceptional customer service experiences.
Brandon Marshall
Senior Technician
Brandon serves as a senior technician providing expert HVAC installation, repair, and maintenance services to Atara's customers.
Erik Rivera
Service Technician
Erik provides on-site HVAC services as part of our experienced technical team supporting residential and commercial clients.
Questions
What services does Atara Mechanical offer?
We offer HVAC installations, repairs, preventative maintenance, diagnostics, and system performance assessments for residential and commercial clients.
Are your technicians available for emergency repairs?
Yes, we provide emergency HVAC repair services during our regular business hours Monday through Saturday.
Do you offer financing options for HVAC projects?
Yes, we partner with Wisetack and Synchrony Bank to provide financing options for HVAC installations and repairs.
What areas do you serve?
We primarily serve Eastvale, California and surrounding areas in Southern California.
How can I schedule an appointment?
You can schedule an appointment using our Customer Portal or by calling us at 909-471-1962 during business hours.
What makes Atara Mechanical different from other HVAC companies?
Our technicians work without commission, ensuring honest recommendations, and we guarantee our 10-year workmanship warranty on full system installations.
Reviews (7)
Magda D.
Nov 23, 2021 Report
ATARA Mechanical responded to my request for a quote right away. They charge $50 to assess what the situation is. So I agreed. They went up to my lake house, figured out the problem. My heater wasn't working, and Omar diagnosed the issue and repaired it. Normally you get the assessment charge credited to your final bill, they charged it separately. So I paid $50, plus the $125 labor fee. That wasn't something i was expecting. So, when you call them, ask them if that charge comes separately.
Jen P.
Oct 15, 2021 Report
I have a new retail space that needed exposed ductwork. Atara was very quick to provide a technician for an estimate. Omar was punctual, kind and very helpful. His did an excellent job and I highly recommend Atara.
Warren H.
Sep 23, 2021 Report
Omar came out before some people could even return our calls. He was on it! Very professional and did a good job explaining my situations and came up with two good options. Would use them again.
Kelly Plawin
Aug 27, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Erik was amazing!!! He made sure everything was working good. I'm so happy to have the AC back on. Very professional and friendly. I would highly recommend this company. A++++
Service:AC maintenance
Oleg F.
Aug 23, 2021 Report
If I could give more stars, I would! Erik (tech) was exceptional. He went above and beyond trying to figure out and resolve our AC issue. I am assuming he spent more time than he planned and most likely billed for. Further, I have yet to EVER meet anyone as friendly and attentive as he was in the home service industry (construction, repairs...). I would hire him again and would happily hire him to work for my company if he ever decides on a career change!
Matthew U.
Jul 27, 2021 Report
Our AC unit was not blowing cold air and the fan speed was very low. Of course it happened during summer on one of the hottest days! Called several places. Omar from Atara Mechanical was the only one to respond quickly and able to meet the next day. Plus the $45 service charge was a great value! Received a text prior to his arrival which allowed me to track Omar before arriving. Upon arrival, Omar quickly identified the problem while educating me on the AC unit. Omar's passion for his work was evident upon the way he spoke and presented himself. AC unit was frozen so we had to wait for it
Gladys C.
Jun 28, 2021 Report
Thankfully was able to squeeze me in to fix my AC during a heatwave. The technician was very thorough checking all possible causes of the malfunction. He was able to correctly diagnose and fix the problem. There was full disclosure of what was being done and how much everything would cost. I am very happy with their service.