Licensed HVAC Contractor · Oakland-Based · Serving the East Bay
Serious HVAC for the East Bay — Alameda & Contra Costa
AC repair, installation, heating, and emergency service from an Oakland-based licensed HVAC contractor. When comfort fails, we answer with a fast response and an honest fix.
Our team, our trucks — serving the East Bay
- 15+ Years Serving the East Bay
- 4.9★ · 143 Google Reviews
- CA C-20 License #1048662
- 24/7 Emergency Service
- Upfront, Honest Pricing
What we do
Complete heating & cooling services
One licensed contractor for everything your system needs — from tonight’s emergency repair to a full system replacement designed around your home.
AC Repair
Fast, reliable AC repair for every major brand — diagnosed right the first time, built for the hot inland East Bay.
Learn moreAC Installation
Right-sized system selection and licensed installation — including adding cooling to older East Bay homes that never had it.
Learn moreEmergency HVAC
Fast emergency response across the East Bay. A real answer at (800) 974-5349 when comfort systems fail.
Learn moreHeating Repair
Furnaces, heat pumps, and old wall heaters — diagnosed and repaired with safety-first gas work.
Learn moreFurnace Repair
Ignition, blower, and heat-exchanger repairs with combustion safety checked on every visit.
Learn moreHVAC Maintenance
Real multi-point tune-ups that prevent breakdowns, cut energy bills, and protect your warranty.
Learn moreIndoor Air Quality
Filtration, purification, and duct sealing that protect your home's air — especially during smoke season.
Learn moreCommercial HVAC
Rooftop units, restaurants, retail & offices — commercial service scheduled around your business hours.
Learn moreHeat Pumps
One efficient electric system for heating and cooling — ideal for East Bay homes, with honest rebate guidance.
Learn moreDuctwork & Duct Replacement
Testing, sealing, repair & full replacement — because leaky ducts waste the comfort you're paying for.
Learn moreNot sure what you need?
Describe what’s happening and we’ll tell you straight — no obligation.
(800) 974-5349Why Oren's
Built like the HVAC company you wish you’d called first
We work the East Bay one repair at a time — honest diagnosis, careful work, and a phone that gets answered when something breaks. No pressure tactics, no mystery pricing conversations — just professional HVAC done right.
Oakland-based, locally owned
We live and work in the East Bay — the same homes and microclimates we service every day, from bayside Oakland to the hot inland Tri-Valley.
Emergency HVAC service
When heating or cooling fails, call us — we move fast and give you an honest ETA instead of a callback queue.
Honest, upfront work
We diagnose the real problem, explain it plainly, and quote before we start. You always know what you're paying for.
Licensed HVAC contractor
A licensed C-20 East Bay HVAC contractor — permits pulled, code followed, work documented.
Cooling and heating, one accountable team.
- Licensed HVAC contractor
- Emergency HVAC service
- Upfront, honest pricing
- All of the East Bay
HVAC Emergency?
No heat. No cooling. No waiting until morning.
Call for fast emergency HVAC service across all of Alameda County and Contra Costa County — we'll give you an honest ETA.
Where we work
Serving Alameda County & Contra Costa County
From our Oakland home base, our technicians cover the whole East Bay — Oakland, Berkeley and Alameda, out through Hayward and Fremont, the Tri-Valley, and across Contra Costa from Richmond and El Cerrito to Walnut Creek, Concord and San Ramon.
Alameda CountyCounty hub
Don’t see your city? View all service areas — or call us at (800) 974-5349. If you’re anywhere in the East Bay, we cover you.
Licensed & Insured
A licensed C-20 East Bay HVAC contractor — permits pulled, code followed, and every job documented so the work holds up.
Emergency HVAC Service
When your heating or cooling quits, call us. We move fast and give you a straight answer on timing instead of a callback queue.
Upfront, Honest Pricing
We diagnose the real problem, explain it in plain language, and quote the work before we start. No pressure, no surprises.
4.9 stars across 143 Google reviews
East Bay homeowners rate Oren’s HVAC Services 4.9 out of 5 — and we’d rather earn that than print marketing quotes. Read the reviews on Google, then call us when you’re ready for an honest diagnosis.
Call (800) 974-5349Frequently Asked Questions
Which areas does Oren's HVAC Services serve?
We serve the East Bay — all of Alameda County and Contra Costa County. That runs from Oakland, Berkeley and Alameda out to Hayward and Fremont, across the Tri-Valley in Dublin, Pleasanton and Livermore, and through Contra Costa from Richmond and El Cerrito to Walnut Creek, Concord, Danville and San Ramon. We're based in Oakland.
Are you available for emergencies at night and on weekends?
Yes — we offer emergency HVAC service when your heating or cooling fails. Call (800) 974-5349 and we'll get you a fast response and an honest ETA.
Are you licensed?
Yes — we're a California-licensed C-20 HVAC contractor (#1048662) working throughout the East Bay. We pull permits, follow code, and document the work.
How does your pricing work?
Upfront and honest. We diagnose the problem, explain what's going on in plain language, and quote the work before we start — no mystery pricing and no pressure.
What services do you provide?
AC repair, AC installation and replacement, heating repair, furnace repair, HVAC maintenance and tune-ups, indoor air quality solutions, and emergency HVAC service — for homes and light commercial buildings across the East Bay.
Ready when your comfort isn't
Call (800) 974-5349 for fast, emergency-ready HVAC service — or send the form and we'll get back to you quickly. Serving every city across Alameda County and Contra Costa County.
Call (800) 974-5349CA C-20 License #1048662 · Oakland-based · Upfront, honest pricing
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