If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
EPA 608 Universal Certified HVAC Technician serving Palos Verdes and the South Bay.
I specialize in HVAC diagnostics, repairs, and routine maintenance for residential and light commercial AC and heating systems.
Whether your system is not cooling, blowing warm air, making unusual noises, or not turning on, I will carefully evaluate the system, explain the problem clearly, and recommend the appropriate repair options.
✔ EPA 608 Universal Certified
✔ Fully Insured (General Liability)
✔ Residential & Light Commercial Service
✔ Honest Pricing – No Unnecessary Upsells
I arrive prepared with professional tools and commonly needed parts, allowing many repairs to be completed in a single visit.
Responsive communication, thorough workmanship, and reliable service.
Overview
Current Top Pro
Hired 24 times
4 similar jobs done near you
Background checked
2 employees
2 years in business
Business hours
Sun7:00 am - 9:00 pmMon7:00 am - 9:00 pm
Payment methods
This pro accepts payments via Cash, Check, and Zelle.
Customers rated this pro highly for professionalism, work quality, and punctuality.
Exceptional 5.0
24 reviews
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Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Paul N.
5 days ago
•
Hired on Thumbtack
I highly recommend Mohammed! He was absolutely great from start to finish. He came early and worked very hard to make sure the job was completed the same day. It was extremely hot outside, but he never stopped working until he got the issue resolved.
My kids had a really rough night without the AC, and I wanted to make sure everything was fixed before they came home from school. Mohammed understood how important it was to get it done quickly, and he made sure we had our AC back the same day.
What really stood out to me was his honesty. I accidentally overpaid him, and instead of keeping the extra money, he immediately let me know and returned the overpayment. That says a lot about his character and the kind of person he is.
Thank you so much, Mohammed, for working so hard and helping my family. We truly appreciate you! You did an amazing job, and I would definitely recommend you to anyone who needs AC service. ⭐️⭐️⭐️⭐️⭐️
Details: Repair • Unit won't turn on or off • Only warm air is blowing from the vents • Roof • House • Owner
M&R HVAC Services's reply
Thank you so much, Paul, for your kind words and for taking the time to leave such a thoughtful review. I’m very glad I was able to get your A/C back up and running for you and your family. I truly appreciate your trust and recommendation!
Central Air Conditioning Repair or Maintenance
Rupakshi B.
Jul 28, 2026
•
Hired on Thumbtack
When our AC suddenly stopped working in the middle of a hot and humid summer, Muhammad came to the rescue. He was communicative, punctual, friendly, and professional from start to finish. He took the time to thoroughly diagnose the issue and was honest about what needed to be repaired without trying to upsell unnecessary work.
He identified a weak condenser capacitor and replaced it, replaced a broken thermostat fuse, topped up the refrigerant in the condenser, and found a leaking Schrader valve core inside the service port, which he also replaced. He clearly knows his trade and gave the job his full attention until everything was working properly.
His pricing was fair and reasonable, and I really appreciated his honesty and dedication to doing the job right. I would gladly recommend Muhammad to anyone looking for a trustworthy and skilled HVAC technician.
Details: Repair • Only warm air is blowing from the vents • Unit won't turn on or off • Attic • Roof • Townhouse • Owner
M&R HVAC Services's reply
Hi Rupakshi, thank you so much for your kind review and for trusting me with your A/C repair. I truly appreciate your recommendation and I’m glad I could help. If you ever need HVAC service again, I’ll be happy to help. Thank you!
Central Air Conditioning Repair or Maintenance
Lynn L.
7 days ago
•
Hired on Thumbtack
Wonderful experience with Mohammad. I had an AC emergency and he was very quick to respond, had clear communication and was there the next morning to fix the issue. I am definitely keeping his contact info for any HVAC needs in the future.
M&R HVAC Services's reply
Thank you so much, Lynn! I really appreciate your kind review. I’m glad I could help with your A/C issue.
Central Air Conditioning Repair or Maintenance
Meredith E.
4 weeks ago
•
Hired on Thumbtack
Mohammad offered to come check out our broken ac unit immediately. He fixed it quick on a very hot weekend. Very grateful.
M&R HVAC Services's reply
Thank you so much, Meredith! I truly appreciate your kind review. I’m glad I was able to help get your A/C working again, especially during such a hot weekend. It was a pleasure assisting you!
Central Air Conditioning Repair or Maintenance
Alissa B.
3 weeks ago
•
Hired on Thumbtack
Fantastic experience. We called Mohammad on short notice to help on a late evening, and he worked tirelessly that night and the next morning to fix a quite comprehensive issue including also a few broken parts that he was able to replace immediately. Amazing experience and will call him for all future HVAC needs. Thank you!
Details: Repair • Only warm air is blowing from the vents • Unit won't turn on or off • Attic • Ground floor • House • Renter, with owner's permission to do this job
M&R HVAC Services's reply
Thank you so much, Alissa, for your thoughtful review and for trusting me with both HVAC systems. I truly appreciate your patience while I worked through the different issues. It was a pleasure helping you and your family, and I’m very glad both systems are now operating properly. Please don’t hesitate to contact me whenever you need HVAC service in the future!
Central Air Conditioning Repair or Maintenance
Credentials
Background Check
Mohammad Ghannadi
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Service call/diagnostic fee is $85, and if you approve the repair, it goes toward the labor. I focus on fair and honest pricing with no pressure. Emergency service fees may apply outside normal business hours, and all pricing is explained before work starts.
What is your typical process for working with a new customer?
1. Quick initial questions
2. On-site diagnostic
3. Clear explanation and options
4. Upfront pricing
5. Repair and testing
What education and/or training do you have that relates to your work?
Certified HVAC technician with 8+ years of hands-on experience, 350+ hours of practical training, and Universal EPA 608 certification. Focused on honest diagnostics, repair, and maintenance.
