Gabriel serviced 2 furnaces & a water heater and provided me with state-of-the-art information about how to proceed with their maintenance and eventual replacement. Outstanding service and commitment to excellence.
About E-fficient HVAC
E-fficient HVAC is a reputable and reliable company that offers a range of HVAC services, including air conditioning, tankless water heaters, and installation. With over 5 decades of experience, the company is dedicated to providing top-notch service and ensuring customer satisfaction. The owner, Gabriel, is a knowledgeable and skilled professional who takes pride in his work and is committed to delivering high-quality installations. He is transparent about pricing, providing flat rates and avoiding add-ons, upsells, and estimates. Gabriel's expertise and attention to detail have earned him a reputation for being a "straight-up artist" in the HVAC industry. The company's services are characterized by professionalism, attention to detail, and a focus on customer satisfaction. Whether you need a new water heater, mini ductless heads, or a furnace inspection, E-fficient HVAC is the right choice. With cash payment options accepted, including CashApp and Venmo, the company is convenient and hassle-free.
Customers praise Gabriel's excellent communication, reliability, and efficient service. One customer mentioned that he completed electrical work for them in November 2024 and they highly recommend him, as his work is clean and the new outlets he set up solved their previous problems. Another customer was impressed by Gabriel's quick response and ability to replace an ancient wall heater in less than a few hours. Customers also appreciate Gabriel's flexibility and his ability to identify and address additional issues, such as problems with a water heater. Overall, Gabriel and E-fficient HVAC have earned a reputation for being the "absolute best" in the industry.
Reviews
E-ffecient HVAC did a wonderful job! Professional from start to finish. I received my quote, great communication regarding installation timeline. Installation took two days. Incredibly neat. Took the time to make sure that I understood how to operate my new thermostat. They truly were what they said they are, EFFECIENT! I would recommend them to anyone looking to change out their HVAC system. 😁
I can always count on Gabriel to provide top notch quality service. He finds sub par work from other technicians and makes it right. You can count on him to get it done correctly and have price of mind that it will be in good working order.
Photos

Hours
Good to know
- accepts credit cards
Location
1100 57th Avenue Suite Suite 7, Oakland, CA 94621
Local Businesses Nearby
You May Also Like
Is this your business?
Upgrade your profile to add the context customers, search engines and AI systems use to evaluate and recommend your business.

