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24/7 Emergency Service

24/7 Emergency HVAC & Plumbing · Los Angeles

HVAC Repair & Installation in Los Angeles

Emergency repairs to full system upgrades for homes and businesses. Clear communication, fair pricing and dependable work that holds up.

High Performance Plumbing, Heating & Cooling technician repairing a rooftop HVAC unit

Current specials

Seasonal savings on the services you need

Special offer

$87

AC Tune-Up

Get your system ready before the heat arrives and catch small problems early.

Special offer

$299

Duct Cleaning

Breathe easier and improve airflow with a professional air duct cleaning.

Why High Performance

Simple, honest HVAC service that holds up

We handle everything from emergency HVAC repairs to full system upgrades for homes and businesses. We keep things simple: clear communication, fair pricing, and dependable work that holds up.

  • Fast response, reliable scheduling

    We show up when we say we will, and we're available 24/7 for emergencies.

  • Clear up-front pricing

    No hidden fees and no high-pressure sales. You know the cost before work starts.

  • Craftsmanship done right the first time

    Quality workmanship built to hold up, not quick fixes that fail.

  • Honest diagnostics

    Straightforward communication about what's wrong and what it takes to fix it.

  • Licensed, bonded & insured

    California contractor license CSLB #1090421.

  • Direct, personal service

    Experienced technicians who treat your home or business like their own.

High Performance Plumbing, Heating & Cooling technician loading equipment into a company van

How it works

From first call to finished job

  1. 01

    Call or request a quote

    Reach us 24/7 by phone, or send the form and we'll get back to you quickly.

  2. 02

    Honest diagnosis, clear price

    We find the real problem, explain it in plain language and give you the price before work starts.

  3. 03

    Done right the first time

    Experienced technicians complete the work carefully and make sure your system is running properly.

Reviews

What our customers say

  • Chris showed up and handled business Quickly and was very thorough with the info he gave me, and pricing was realistic . I would highly suggest using this team .
    Leo Gonzalez
  • My AC broke down, and I was sweating bullets. These guys showed up, fixed the problem efficiently, and made the whole experience stress-free.
    Jesus Ramirez
  • High performance mechanical is a trustworthy company that is very punctual and professional. Will definitely continue working with them in the future!
    Dre Santos
  • High Performance Mechanical is the real deal! My AC went out right in the middle of a heatwave, and they came through fast. The tech showed up on time, was super friendly, and actually explained what was going on without all the confusing jargon. They got my system running again in no time and for a fair price. You can tell they actually care about doing a good job, not just making a quick buck. I’ll definitely be calling them again if I ever need service!
    Shiloh Webb
  • it’s not always easy finding trustworthy help but these guys really delivered. My air conditioner wasn’t working right during this awful heat, and they came out right away. The technician was kind, patient, and explained everything in a way I could understand. No pressure, no surprises just honest, dependable service. I felt comfortable and well taken care of. I highly recommend them to anyone, especially older folks like me who appreciate good, honest work.
    Martha Eckerson
  • Absolutely Outstanding Service, Great Price, and Genuine Customer Care I don’t usually write reviews, but I felt compelled to share how impressed I was with High Performance Mechanical. From start to finish, the entire experience…
    Joe
  • The absolute BEST IN THE BUSINESS!!!! Unmatched professionalism. Knowledgeable, customer friendly service. I’ve worked with other companies, only to be let down time and again. I will never call anyone else. Highly recommend these guys!!!!
    Jason
  • I couldn’t be happier with the service I received from Highe Performance Mechanical. From the moment I called, the team was professional, friendly, and quick to respond. They showed up right on time, diagnosed the problem immediately, and had my AC running perfectly in no time. The technicians were knowledgeable, explained everything clearly, and didn’t try to upsell me on things I didn’t need. The price was more than fair, the work was top-notch, and they left the area cleaner than when they arrived. If you need AC service you can trust, High Performance Mechanical to the call! They’ve definitely earned my business for life!
    Aram Mirumyan
  • I don’t usually write reviews, but these guys deserve it. High Performance Mechanical did an amazing job for me. They showed up when they said they would, explained everything in plain English, and got my system fixed without any hassle. You can tell they actually care about their work. My place is cooling better than it ever has, and the whole process was way easier than I expected. Definitely recommend them to anyone looking for honest and reliable service.
    leslie rivera
  • Great company, they installed my new HVAC system. My system was over 20 years old and needed to be repaired almost every year! After spending over 4000$ in repairs over the past few years with other contractors, High performance came out and and gave me their honest opinion on what the best solution was for our needs. At first I thought a new system would cost an arm and a leg, but they were able to get me financing and even some tax rebates. The new system they installed was also much more efficient than my old one, it has cut my power bill by at least 30%! I recommend them for anyone looking to upgrade their HVAC system or repair their current system
    Christian Alvarado
  • Honestly super stoked on my AC repair, efficient, friendly, and trustworthy! They were able to fix my broken AC unit quick and easy and had me up and running by EOD! Thank you all for the help! 10/10 would recommend!
    James Zel
  • Big thanks to High Performance Mechanical and especially Alex! My AC went out on a super hot day, and Alex showed up quickly, was friendly, and fixed everything fast. He explained what was wrong and made sure everything was working perfectly before he left. Really solid, professional service. I’d definitely call them again!
    Eddie
  • Amazing service ! John and his team were quick to answer my call, quick to come to my home to fix my broken Ac and thermostat. Ac was back up and running within the hour ! Definitely recommend this company for all your Ac and heating issues ! Thanks again High Performance!
    Cindy Cuevas
  • From the first phone call to the finished job, everything was smooth. The crew was respectful, worked quickly, and left everything clean when they were done. My AC is finally keeping up with this heat, and I couldn’t be happier.
    Denise Hernandez
  • I highly recommend High Performance Mechanical. They are professional and quick to respond. My AC stopped working yesterday and I called H.P.M. and made an appointment. John came out within a few hours and took care of it. My AC is working like new again. Thank you John for your professionalism and expertise.
    Raul G.
  • AC stopped working and they got someone out pretty quickly. The tech was professional and got everything running again without any issues. Smooth experience overall.
    Jose T.

Service areas

Serving Los Angeles and the surrounding valleys

  • Residential and commercial service
  • 24/7 emergency service
  • Office in North Hollywood

FAQ

Questions we hear most

Ready for comfort you can count on?

Call now or request a free quote. Emergency service is available 24/7.

(818) 814-9323Free Quote