E-fficient HVACHVAC contractor in Oakland, CA
E-fficient HVAC is an HVAC contractor at 1100 57th Ave Suite #7, Oakland, CA 94621, rated 5.0 from 2 Google reviews. Open 7 days a week.
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Key facts
| Address | 1100 57th Ave Suite #7, Oakland, CA 94621Get directions |
|---|---|
| Phone | (510) 860-3242 |
| Hours | Monday to Sunday: 8 AM – 6 PM |
| Google rating | 5.0 from 2 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves Oakland and 11 towns within 25 miles: Alameda, San Leandro, Piedmont, Emeryville, Moraga, Ashland, San Lorenzo, Cherryland, Orinda, Castro Valley and Berkeley.
Based in Oakland, CAView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 6 PM |
| Tuesday | 8 AM – 6 PM |
| Wednesday | 8 AM – 6 PM |
| Thursday | 8 AM – 6 PM |
| Friday | 8 AM – 6 PM |
| Saturday | 8 AM – 6 PM |
| Sunday | 8 AM – 6 PM |
- Open evenings — no
- Open Saturdays
- Open Sundays
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range | $3,887 | $5,978 | $8,073 |
| Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range | $2,823 | $4,814 | $6,896 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Questions about E-fficient HVAC
What are E-fficient HVAC’s hours?
E-fficient HVAC is open 7 days a week. Its listed hours are Monday to Sunday, 8 AM – 6 PM. On Saturdays it is open 8 AM to 6 PM, and on Sundays 8 AM to 6 PM. Hours come from the business listing; holiday hours may differ.
What areas does E-fficient HVAC serve?
Serves Oakland and 11 towns within 25 miles: Alameda, San Leandro, Piedmont, Emeryville, Moraga, Ashland, San Lorenzo, Cherryland, Orinda, Castro Valley and Berkeley. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.
What do Google reviews say about E-fficient HVAC?
E-fficient HVAC has a rating of 5.0 from 2 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact E-fficient HVAC?
Call E-fficient HVAC on (510) 860-3242. The business is at 1100 57th Ave Suite #7, Oakland, CA 94621. Ask for a written estimate before any work starts.
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