All Temperatures Controlled INC
Licensed HVAC contractor in Chatsworth, Los Angeles, California
All Temperatures Controlled INC holds CSLB licence 658722, active, licensed since 18 Nov 1992, rated 4.7 from 36 Google reviews. Bonded for $25,000 with Nationwide Mutual Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #658722, class C20, C38. Issued 18 Nov 1992, expires 30 Nov 2028.
- Licensed 34 yrsSince 18 Nov 1992.
- Bonded$25,000 with Nationwide Mutual Insurance Company, since 1 Jan 2023. California requires the same $25,000 bond of every contractor.
- Workers' comp insuredOmaha National Casualty Company, policy ONCC1701347201, valid to 1 Jan 2027.
- Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
- EPA Lead-Safe certifiedFirm NAT-F220569-2, valid to 30 Dec 2030. Required for work disturbing paint in pre-1978 homes.
- BBB AccreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
- 44 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 28 Apr 2023.
Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.
About All Temperatures Controlled INC
- People on the licence
- Rolonda Lois Mego (officer), Nicholas George Mego (rmo / ceo / pres)
Google reviews
4.7(36 reviews)Daniel Kohler★★★★★ 8 months ago
Big thank you to install team: Omar, Harley, and Jesse; and office team: Josh and Denise. My house and old equipment threw more than one curve ball at you guys, but you handled them all with grace and finesse. Excellent fit & finish, design choices, and communication. Friendly and professional conduct. Definitely earned my future business. Thanks, ATC!
Joshua Stark★★★★★ 6 months ago
Amazing company ! Super friendly and professional. Got it all done fast. New ac. Loved these guys.
Laraine★★★★★ 3 months ago
The two young men, Julio & Jonathan, that came and installed, my system were just the most wonderful, polite and caring technicians I have ever dealt with. They are outstanding representative of a great company.
Debra Kraus★★★ 3 months ago
We originally used ATC because my husband grew up with the family. Had to replace the HVAC in my daughters house. 19 mo later, my compliment goes to Samli, she is one of the residential dispatchers. After we needed a 3rd service call. She understood my frustration and NEED to have someone out that night when originally received a 3 hr window for the the next day; which 1) with the extreme heat not only were the pets …
Mike Leonidas★★★★★ a month ago
Justin Silva from ATC came out and did a fantastic job assessing our AC needs. One of the most honest and knowledgeable individuals you’ll come across in this industry!
Read all 36 reviews on Google Reviews and photos from Google, refreshed every 30 days.
Recent permits
Building permits pulled under licence #658722, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.
- 28 Apr 2023 · HVAC · ZIP 913311 or 2 Family Dwelling
- 24 Apr 2023 · HVAC · ZIP 90064Apartment
- 11 Apr 2023 · HVAC · ZIP 913441 or 2 Family Dwelling
- 13 Mar 2023 · HVAC · ZIP 913421 or 2 Family Dwelling
- 1 Mar 2023 · HVAC · ZIP 910401 or 2 Family Dwelling
Why it ranks #33 of 1,106 HVAC contractors in Los Angeles
Score 92.1 / 100. Claiming this listing or using Theo never changes it. How we rank
Other top HVAC contractors in Los Angeles
See all 1,106- 1
Bernardino's A/C & Htg
- Licence active
- Bonded
- Workers' comp
- 2
Liberty Plumbing & Heating
- Licence active
- Bonded
- Workers' comp
- 3
Alpha Air Conditioning & Heating INC
- Licence active
- Bonded
- Workers' comp
- 4

American Best Appliance
- Licence active
- Bonded
- Workers' comp
- 5
Precise Air Systems INC
- Licence active
- Bonded
- Workers' comp
- EPA Lead-Safe
- 6
Air Products And Services
- Licence active
- Bonded
- Workers' comp