Five or Free provides comprehensive rooftop unit service in Oakland starting at $185 for diagnostics, with repairs typically ranging $350-$3,850. Our CA licensed technicians (LIC #1002667) handle everything from refrigerant leaks to compressor replacement with same-day service availability.
Our Promise Keeping Achievements
















Our Promise
Our Rooftop unit service S.C.O.R.E Promise in Oakland
Every Promise Keeper follows the same five standards on every job.

Satisfaction Guaranteed
We stand behind the quality of our work and make it right when needed.
Clean & Tidy
We respect your home and leave the work area clean and organized.
On-Time
We value your time and work hard to arrive when promised.
Responsive
Calls, texts, and emails are returned quickly and professionally.
Estimate Stays the Same
Your agreed price stays as promised unless you approve a change.
We call our team members Promise Keepers.
If we do not keep all 5 promises, the job is FREE.
How It Works
How Our Rooftop unit service Process Works in Oakland
From your first call to final inspection β hereβs what to expect when you work with a Promise Keeper.

Schedule a Promise Keeper
Book online or call us. We confirm your appointment window and send your dedicated Promise Keeper.
Complete Home Assessment
Your Promise Keeper arrives on time, inspects the issue, and walks you through exactly what they find.
Options Presented Upfront
No surprises. You get clear, honest options with upfront pricing before any work begins.
Repair or Install Done Right
Our licensed pros get it done β clean, efficient, and backed by our 5-promise guarantee.
Ensure Quality with Inspection
Every job is QA checked. We cross every T, verify every detail, and follow up to make sure youβre satisfied.
Ready to experience the S.C.O.R.E difference?
Schedule Your Promise KeeperService
Why Oakland Properties Need Rooftop unit service
Oakland's commercial and multi-family buildings rely heavily on rooftop HVAC units, from the converted warehouses in Jack London Square to modern apartment complexes in Rockridge. The Bay Area's unique microclimate creates specific maintenance challenges that require specialized expertise. With salt air corrosion near the waterfront and temperature swings throughout the city, professional rooftop unit service isn't just recommendedβit's essential for maintaining indoor comfort and avoiding costly emergency breakdowns.
Oakland's proximity to San Francisco Bay creates a corrosive environment for rooftop equipment, particularly affecting units within five miles of the waterfront. The city's mix of 1920s commercial buildings and modern construction presents unique access challenges and electrical infrastructure variations that impact service approaches. PG&E's frequent Public Safety Power Shutoffs during fire season place additional stress on rooftop units during startup cycles, while Oakland's building department requires permits for major modifications on structures over three stories.
Our technicians are known as βPromise Keepers,β and we believe in helping homeowners S.C.O.R.E with Five or Free. Our S.C.O.R.E system ensures every job meets high standards: Satisfaction Guaranteed, Clean & Tidy Work, On-Time Service, Responsive Communication, and Exact Pricing.
What Is Rooftop Unit Service?
Rooftop unit service encompasses the maintenance, repair, and optimization of packaged HVAC systems installed on commercial buildings, apartment complexes, and large residential structures. These self-contained units combine heating, cooling, and ventilation components into a single weatherproof package designed for outdoor installation.
The technical foundation of rooftop units centers on the vapor compression refrigeration cycle, where refrigerant absorbs heat from indoor air through evaporator coils, gets compressed to high pressure and temperature, then releases heat through condenser coils exposed to outdoor air. Modern units typically operate on R-410A refrigerant with SEER2 ratings between 11-15 for commercial applications, though newer installations may achieve ratings up to 18 SEER2.
These systems integrate multiple subsystems requiring specialized service expertise. The electrical control system manages compressor staging, fan operation, and safety shutdowns through contactors and variable frequency drives (VFDs). Gas heating sections utilize hot surface igniters and modulating gas valves to maintain precise temperature control. Static pressure sensors monitor ductwork performance to optimize cubic feet per minute (CFM) delivery.
Oakland property owners typically need rooftop unit service when tenants report uneven temperatures, utility bills spike unexpectedly, or the system short-cycles frequently. Commercial buildings often schedule service after construction work disrupts nearby units or following PG&E power outages that stress electrical components during restart sequences.
Why Oakland Properties Need Rooftop Unit Service
Step by Step
Our Rooftop unit service Process in Oakland
- 1
Initial Assessment
Comprehensive rooftop unit inspection covering refrigerant levels, electrical connections, and performance in Oakland's varying climate conditions
- 2
System Diagnostics
Advanced testing of controls, compressors, and ventilation components using professional HVAC diagnostic equipment
- 3
Repair or Maintenance
Expert repair work or preventive maintenance tailored to Oakland's coastal fog and inland heat variations
- 4
Performance Verification
Final testing and documentation ensuring optimal operation for Oakland's commercial and residential buildings
Benefits
Benefits of Rooftop unit service in Oakland
- βSame-day service available throughout Oakland's 94611, 94610, and 94602 zip codes
- βExpertise with Oakland's mix of vintage and modern commercial buildings
- βUnderstanding of Bay Area climate impact on rooftop HVAC performance
- βLicensed professionals familiar with City of Oakland permit requirements
Related Services
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See the Proof
Rooftop unit service Reviews in Oakland
See what homeowners in Oakland are saying and browse our recent jobs.
Got Questions?
Rooftop unit service FAQs in Oakland
Still have questions? Weβre happy to help.
Contact UsWhy Choose Us
Why Oakland Homeowners Trust Our Rooftop unit service
At Five or Free Electrical Heating and Air Solutions, we donβt just complete jobs β we keep promises. Every technician is a Promise Keeper, and every job follows our S.C.O.R.E system.

Satisfaction
Guaranteed quality on every job
Clean & Tidy
We leave your space spotless
On-Time
We show up when we say we will
Responsive
Fast, professional communication
Exact Pricing
No surprises, no hidden fees
5 Promises Kept or the Job is FREE
If we donβt deliver on every promise, you donβt pay. Itβs that simple.
Our Guarantees
Backed by Guarantees That Actually Mean Something
$5,000 Love Us or Hate Us Guarantee
Price Match Guarantee (Apples to Apples)
5-Year Material Warranty
15-Year Service Warranty
Friendly, Professional Technicians
When you choose Five or Free, youβre choosing a company built around accountability, service, and doing things the right way β every time in Oakland.
Ready to Book?
Get Your Free Rooftop unit service Quote in Oakland Today
Fast, same-day electrical and HVAC service in Oakland. Call now or request a visit β backed by our 5 promises guarantee.

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