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Fremont HVAC
Your Partner For Green Comfort

HVAC Services in Fremont

Fast & Effective HVAC Repair, Installation, & Maintenance Throughout the Bay Area

The weather in the Bay Area changes quickly. Fremont homes and businesses depend on heating and cooling systems that perform all year. Whether you experience an unexpected cold snap or a heatwave, Comfort Energy, Inc. offers a complete range of HVAC services in Fremont and throughout the East Bay. Whether you need a minor repair in Fremont, regular maintenance, or a new system installation, our NATE-certified technicians deliver reliable results. We commit to high-quality hvac service and back our work with integrity on every job.

Looking for a reliable HVAC company in Fremont? Contact us at (408) 560-4050 to learn how we can help!

Our HVAC Services in Fremont

At Comfort Energy, Inc., we provide the full spectrum of HVAC services in Fremont and the surrounding area. Our technicians are highly trained and handle all types of heating and cooling systems. We cover everything you need—from new system installation and replacement to repairs and HVAC maintenance in Fremont. We are also proud to offer indoor air quality services, including air duct cleaning, air filtration, and humidifier and dehumidifier solutions.

With over three decades serving Fremont, we understand the unique demands created by the city’s coastal climate. Fremont homes and businesses deal with damp winters and hot, dry summers, which require dependable and energy-efficient HVAC equipment. Our team recommends solutions built for these conditions. We are familiar with local Alameda County permitting requirements and install every system to meet all regulations. Our guidance helps you stay comfortable while managing energy costs year-round.

Our HVAC services include:

  • Heating repair, installation, and maintenance
  • Air conditioning repair, installation, and maintenance
  • Indoor air quality testing and products
  • Whole-house energy evaluations
  • Commercial HVAC service

Emergency HVAC Repair & After-Hours Services

When your heating or cooling system stops working unexpectedly, every minute matters. Temperature extremes in Fremont can make the situation urgent. Comfort Energy, Inc. responds quickly to emergency calls across the area, day or night. Our team provides dependable HVAC repair in Fremont to restore comfort and keep your property safe no matter when you need us. We clearly communicate after-hours rates before dispatching a technician, so you always know the cost in advance. From faulty furnaces to AC breakdowns or heat pump failures, our trained technicians arrive equipped with parts and diagnostics to resolve the problem efficiently. We keep company vehicles stocked and our communication lines open so Fremont customers can reach real help at any hour.

Our commitment to urgent service is one reason so many Fremont residents and businesses turn to our local, in-house team during an HVAC emergency. We focus on clear communication, fair pricing, and peace of mind—even after business hours. For urgent HVAC repair or after-hours support, connect with us anytime at (408) 560-4050.

What to Expect During HVAC Installation & Replacement

Upgrading your heating or cooling equipment in Fremont involves careful planning, accurate measurements, and consistent follow-through. We begin each HVAC installation in Fremont with an in-home evaluation, looking closely at square footage, insulation, existing ductwork, and current system condition. Fremont’s climate, local building codes, and current energy efficiency standards drive our system recommendations. Our licensed technicians handle all permits to make the installation process smooth and code compliant. We remove old units, install new equipment, and test each system to confirm solid performance.

We believe in honest, transparent communication from the start. Before any replacement in Fremont, you receive a free quote with a clear explanation of system choices, expected timelines, and warranty coverage. Our three decades of experience in Fremont mean we suggest high-efficiency solutions that deliver reliable comfort and may help lower monthly utility costs. With a focus on quality and customer trust, we help Fremont residents and businesses invest confidently in durable, energy-saving heating and cooling systems.

Reach out to Comfort Energy, Inc. at (408) 560-4050 to schedule an HVAC service in Fremont or the surrounding Bay Area today!

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Your Neighbors Love Us

Reviews From Our Satisfied Customers
    "Prompt Service"

    Comfort salesman Pat worked with me as I had many questions about the system, design options, and its potential deployment under my home. He even agreed to send his site foreman to inspect my crawl space prior to signing the contract so that we had an abso

    - Spencer H.
    "Met My High Standards"

    Comfort Energy met my high standards and I would strongly recommend them.

    - Ken M.
    "Outstanding Company!"

    Eric, our Sales Manager, worked and discussed with us our needs. Then the following day, Oscar and Alehandro started the work. They were very courteous and knowledgable and most of all...take a lot of pride in their work.

    - Ron H.
    "Highly Recommend to a Friend!"

    The service technician, Max, is very knowledgeable. He found the problem in 10 minutes.

    - Cip L.

Why Choose Comfort Energy, Inc.?

When you need HVAC services in Fremont, you want a company dedicated to your satisfaction and comfort. At Comfort Energy, Inc., we commit to excellent service on every job. We offer a complete range of heating, cooling, and indoor air quality options and work with all major equipment makes and models. Our technicians continuously train on the latest technologies and methods. We take pride in our work and go the extra mile to earn your trust and business, every time.

We bring more than 30 years of experience to every project. Our in-house team oversees every step—from initial planning and system design to installation and ongoing maintenance. This hands-on approach ensures we deliver consistent, high standards for every Fremont customer. We invest in ongoing workforce development, and all technicians remain licensed and insured. As a Mitsubishi Diamond Contractor, our team uses advanced tools and high-efficiency HVAC systems to help manage energy costs and reduce environmental impact where possible.

We follow local building and energy codes to ensure your HVAC system meets every requirement. Our familiarity with Fremont’s housing market helps us recommend reliable HVAC solutions for both historic homes and new builds. Our commitment to the Fremont community means you receive honest advice, straightforward pricing, and dependable scheduling at every phase of the job.

Other reasons to choose Comfort Energy, Inc. include:

  • We offer great specials and discounts
  • We offer a full range of financing options
  • We are a family-owned and operated company
  • All of our technicians are NATE-certified
  • We are fully licensed, bonded, and insured

Get in touch with us online or give us a call at (408) 560-4050 to schedule a Fremont HVAC repair or installation service today! Check out our reviews!

$89 OFF Service Call With Repair (Most Brands)
Valid Nov 15, 2025 - Dec 31, 2025

ready to return to comfort?

Call (408) 560-4050 to schedule a service today!
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Our values set us apart

We Care About Your Air
  • We Answer The Phone
    It may sound simple, but unlike our competition, we make ourselves accessible. We're here to help!
  • We Value Your Time
    We show up on-time and our experts always strive to get the job done as quickly and efficiently as possible!
  • Technicians Who CARE
    Our Technicians will go above and beyond to assure all of your home's needs are taken care of!
  • Free In-Person Estimates Available
    We understand that a new system is costly. We provide free estimates for all new installs and replacements.
  • Strong Business Ethics
    We value our customers and do whatever we can to provide 100% customer satisfaction with every service!
  • Environmentally Aware
    We are a green company and strive to create energy-efficient homes that promote your family's health and safety.