“They diagnosed our AC issue quickly and explained repair vs replacement options clearly.”
Homeowner
Irvine, CA · HVAC
Comfort. Power. Efficiency. One coordinated team for residential and commercial installation, replacement, maintenance, and service.
Southern CaliforniaIrvine, CA 92620Residential & CommercialLicense #1037811Financing Available
Energy Services of California provides residential and commercial HVAC, electrical, insulation, and solar services across Southern California. Our work focuses on comfort, power, efficiency, reliability, and practical energy improvements.
Installation/replacement, diagnostics, AC and heating repair, heat pumps, mini-splits, ductwork, and residential/commercial maintenance.
Installation/replacement, troubleshooting, panels, circuits, lighting, EV-ready circuits, emergency service when available, and maintenance checks.
Installation/replacement, attic insulation, duct insulation, crawlspace/floor insulation, wall insulation, air sealing, and condition correction.
Solar PV installation/replacement, solar diagnostics, maintenance, panel cleaning, inverter replacement, panel repair, and battery storage coordination.

Installation/replacement, diagnostics, AC and heating repair, heat pumps, mini-splits, ductwork, and residential/commercial maintenance.
Installation/replacement, diagnostics, AC and heating repair, heat pumps, mini-splits, ductwork, and residential/commercial maintenance. Each service division includes installation/replacement and maintenance/service options.
Installation/replacement, troubleshooting, panels, circuits, lighting, EV-ready circuits, emergency service when available, and maintenance checks.
Installation/replacement, attic insulation, duct insulation, crawlspace/floor insulation, wall insulation, air sealing, and condition correction.
Solar PV installation/replacement, solar diagnostics, maintenance, panel cleaning, inverter replacement, panel repair, and battery storage coordination.
We coordinate installation, replacement, maintenance, and service across HVAC, electrical, insulation, and solar — so your property stays comfortable, efficient, and easier to maintain.

BeforeAfterProject estimates and paid diagnostics are handled separately. Replacement and installation work starts with a free scope review and written estimate; troubleshooting and repair visits may be scheduled as paid diagnostics or service calls.

We review your property details, ZIP, system type, and project goals. Some repair or diagnostic visits are billed at published starting rates.

Replacement and project work receive a written preliminary estimate. Troubleshooting and service work is scheduled as a paid diagnostic or service call when required.

We perform service, repair, maintenance, or installation based on the approved scope — across HVAC, electrical, insulation, and solar.
Financing options are available for qualifying HVAC, electrical, insulation, and solar projects. Approval, terms, rates, and eligibility are determined by the financing provider and project scope. Not all customers or projects qualify.
Ask About FinancingReviews and project highlights from HVAC, electrical, insulation, solar, and commercial work.
Replaced aging split system with a right-sized heat pump after scope review and written estimate.
Upgraded service panel and added EV-ready circuit with permit coordination and clear scope.
Diagnostic visit identified inverter fault; maintenance restored expected production levels.
Serving Southern California. Submit your ZIP code to confirm availability for your property.
Share your property details and project scope. We review site conditions, access, and approved scope before confirming final pricing.
Prefer to call? (949) 436-5628
Written estimate
Before work begins
ZIP confirmation
SoCal service availability
Financing available
For qualifying projects
Serving Southern California. Submit your ZIP code to confirm availability for your property. Use the map as a reference — submit your ZIP on the estimate form to confirm availability for your property.
Common questions about service area, pricing, financing, and preliminary estimates.
Energy Services of California serves selected Southern California areas. Submit your ZIP code to confirm availability.
Yes. We provide residential and commercial HVAC, electrical, insulation, and solar services.
Yes. Each service division includes installation/replacement and maintenance/service options.
Financing options are available for qualifying HVAC, electrical, insulation, and solar projects. Approval, terms, rates, and eligibility are determined by the financing provider and project scope. Not all customers or projects qualify.
No. Published prices are starting prices for standard conditions. Final pricing is confirmed after review and written estimate.
Yes. Use the request form and upload photos, utility bills, panel images, or equipment labels to help us evaluate the project.