No ratings collected yet
A C Energy Systems Inc
224 BIRMINGHAM DRIVE SUITE 1A2, Cardiff, CA 92007, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
When the air conditioner quits during a California heat wave, or the furnace starts short-cycling on a cold morning, homeowners and property managers want a contractor who can diagnose the problem quickly and explain the options clearly. A C Energy Systems Inc serves residential and commercial customers across California with that goal in mind. The company is a licensed California contractor under license #737680, a credential it has held since 1997, giving it more than 29 years in the trade.
Services Offered
Service Area
About A C Energy Systems Inc
The company's work covers a broad range of comfort and safety needs. AC Services include diagnosing refrigerant issues, cleaning coils, checking capacitors and contactors, and restoring cooling capacity. Heating Services and Furnace Services address ignition faults, heat exchanger inspections, and burner adjustments. Heat pumps, which many California homes use for year-round climate control, are installed and serviced as well. Ductwork Services focus on sealing leaks, correcting airflow imbalances, and improving how conditioned air reaches each room. Thermostat Services cover installation, calibration, and wiring checks, while Emergency HVAC response handles urgent breakdowns. Routine Maintenance and Tune-up visits keep equipment running efficiently and help catch small faults before they become expensive repairs.
California's climate varies widely, from coastal fog to inland summer extremes, so local conditions shape every service call. A C Energy Systems Inc works with that variety in mind, adjusting system recommendations to the home or building and the region it sits in. Customers comparing local HVAC pros can request a clear written scope, ask about the equipment and parts involved, and expect straightforward answers before any work begins. Learn more through HVAC Service Fast, where you can compare local options and find the right fit for your system.
State license record
California license #737680
Active- Issued by
- Contractors State License Board (CSLB)
- Status
- Active as of Aug 4, 2026
- First issued
- Jul 1997 (29 years)
- Valid through
- Jul 31, 2027
- Business type
- Corporation
- County on file
- San Diego
What the license covers
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning
From CSLB public license data as of Aug 4, 2026. Licenses change — confirm the current status at the California Contractors State License Board (CSLB).
Frequently Asked Questions
What services does A C Energy Systems Inc offer?
What areas does A C Energy Systems Inc serve?
How do I choose a licensed, insured HVAC contractor in California?
What should I check before hiring an HVAC professional?
What are signs it is time to call an HVAC professional?
Local market — Encinitas
HVAC pros here
99
Have a website
67%
Cooling demand
486
Heating demand
1,666
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Local context for Encinitas
- A C Energy Systems Inc is one of 41 businesses we list for ac services in Encinitas (99 HVAC businesses in total).
Buying a new AC or heat pump in California
- California is in the DOE Southwest region: new central air conditioners installed since January 1, 2023 must meet at least 14.3 SEER2 and 11.7 EER2 (13.8 SEER2 and 11.2 EER2 for systems 45,000 BTU/h and larger). Heat pumps must meet 14.3 SEER2 and 7.5 HSPF2 nationwide.
- Since 2025, new systems are built for lower-impact refrigerants such as R-454B or R-32. Ask which refrigerant a quoted system uses and for its AHRI certificate number, which confirms the matched system’s rated efficiency.
Before you hire A C Energy Systems Inc
Based on the records we hold for this business.
-
State license on record
CSLB lists #737680 as active (record dated Aug 4, 2026). Licensed since 1997. Re-check it yourself before work starts — it is free and takes a minute. Look it up: California Contractors State License Board (CSLB)
-
Ask for proof of insurance
We have no insurance details on file. Ask for a certificate of general liability and workers' compensation coverage before anyone works in your home.
-
Ask who pulls the permit
Replacing an AC, furnace, heat pump or water heater usually needs a local permit and inspection. A licensed contractor normally pulls it — ask that the permit is included in the written quote.
-
Ask for local references
We do not have review data for this business yet. Ask for two or three recent customers near you.
-
California homeowner protection
California law caps the down payment on a home improvement contract at 10% of the contract price or $1,000, whichever is less. Never pay more up front.
Reviews
No reviews yet. Be the first to review A C Energy Systems Inc.
Write a review
Where this information comes from
- Name, address and phone
- State license records · added Aug 4, 2026
- California license
- CSLB public license data · record date Aug 4, 2026
- Profile summary
- Written automatically from the records above
Spotted something wrong? Tell us or, if this is your business, claim the listing to correct it.
HVAC Service Fast is an independent HVAC directory and is not affiliated with this business. Listing details are compiled from publicly available information and may be incomplete or outdated. We do not endorse or guarantee any provider — please verify licensing and insurance directly. See our Disclaimer.