Package Unit

Licensed HVAC Professionals
Serving the Bay Area

Call 650-399-1887

Licensed & insured

C-10 · C-20 · C-36

4.9 on Google

300+ verified reviews

1-hour response

Mon – Sat

Permitted & guaranteed

Clean, code-compliant work

Services We Provide

Packaged Unit Installation

We install gas/electric, heat pump, and dual-fuel packaged systems for homes and small commercial.

Rooftop Replacement

We coordinate crane lifts, curb adapters, and tie-ins with roofing and structural trades.

Repair & Diagnostics

Our team services refrigerant, gas, electrical, economizer, and control-board faults.

Commercial Maintenance

Quarterly and biannual service plans for restaurants, retail, and light commercial uptime.

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Not just new equipment — a system done correctly.

ABC Service technician installing a commercial rooftop packaged HVAC unit.

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Packaged Unit Installation

ABC Service installs gas/electric, heat pump, and dual-fuel packaged systems for residential and light commercial properties. Selection is matched to building load, duct capacity, and the operating profile of the space.

Crane lifting a new rooftop packaged HVAC unit onto a residential roof against a clear blue sky.

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Rooftop Replacement

We coordinate with roofing and structural trades for clean curb adaptation, crane lifts, and condensate routing. Done correctly, a rooftop or pad-mounted package unit is a 15+ year asset.

ABC Service technician diagnosing the open control panel of a commercial rooftop packaged HVAC unit.

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Repair & Diagnostics

Bay Area mornings recover significant free cooling through a properly set up economizer — and most performance complaints trace to dampers, sensors, or control logic that drifted out of spec. We service refrigerant, gas, electrical, economizer, and control-board faults across all major packaged platforms.

ABC Service technician performing rooftop AC maintenance on a packaged unit in the Bay Area.

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Commercial Maintenance

For restaurants, retail, and light commercial sites, uptime is the product. We offer quarterly and biannual maintenance plans that prevent the calls nobody wants on a Friday afternoon.

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Package Unit

Why it matters

Why this is worth doing right.

Small footprint

Packaged units keep equipment off the building floor — useful when interior mechanical space is at a premium.

Serviceability

Single-cabinet design simplifies long-term maintenance and refrigerant work.

Commercial uptime

For commercial spaces, the right unit and the right install translate directly to operating reliability.

Efficiency

Modern packaged units with proper economizer setup recover significant energy on cool Bay Area mornings.

Manufacturers We Service

Our process

How a package unit project runs.

01
Evaluate
We assess existing equipment, loads, venting, electrical, and site constraints on-site.
02
Design
We size and specify equipment to the building — with options and trade-offs explained plainly.
03
Install
A dedicated lead tech handles a permitted, clean install with finish-grade workmanship.
04
Commission
We start up, balance, and verify the system against design intent with calibrated instruments.
05
Support
We walk you through operation, file rebates, and stand behind the system long-term.

Why ABC Service

Electrical • HVAC • Plumbing Under One Contractor

Licensed C-10 Electrical, C-20 HVAC, and C-36 Plumbing — one team, one schedule, one point of accountability.

Licensed Bonded & Insured

Fully licensed contractor, bonded, and carrying general liability and workers' comp insurance.

Same-Day Service Availability

Urgent service and safety calls prioritized with same-day diagnosis when scheduling allows.

Residential & Commercial Experience

Serving homeowners, property managers, businesses, and commercial facilities throughout the Bay Area.

Flexible financing options available.

Flexible financing options may be available for qualified customers through GoGreen Financing — HVAC, heat pumps, boilers, water heaters, electrical upgrades, and EV chargers.

Learn About Financing Options

FAQ

Package Unit: frequently asked

Why this is worth doing right.

Small footprint

Packaged units keep equipment off the building floor — useful when interior mechanical space is at a premium.

Serviceability

Single-cabinet design simplifies long-term maintenance and refrigerant work.

Commercial uptime

For commercial spaces, the right unit and the right install translate directly to operating reliability.

Efficiency

Modern packaged units with proper economizer setup recover significant energy on cool Bay Area mornings.