#1 Professional and Reliable HVAC Services in Sunnyvale, CA





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Who is eligible? Homes and residential buildings receiving service from 3CE low-income applicants receive extra rebates for heat pumps


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Living in Sunnyvale, CA, means enjoying beautiful weather most of the year—but it also means needing a dependable HVAC system to keep your indoor spaces comfortable through every season. Whether it’s a scorching summer or a chilly winter morning, having a professional you can trust for heating, cooling, and ventilation services is non-negotiable.



At Monterey Bay Heating and Cooling, we take pride in offering top-quality HVAC services in Sunnyvale, CA. As a Daikin Comfort Pro Installer and a family-run company, we’re here to make sure your system is running at its best—no fuss, just honest and expert care.

Location

PROUDLY SERVING Sunnyvale, CA

Why Professional HVAC Services Matter in Sunnyvale, CA

Let’s be real—HVAC systems aren’t something most homeowners think about until there’s a problem. But in a place like Sunnyvale, where comfort means everything, it pays to have a reliable HVAC partner on your side. Routine maintenance and professional installation can help avoid surprise breakdowns, improve air quality, lower energy bills, and extend the lifespan of your system.



And when things do go wrong? You want to call someone who actually picks up the phone, shows up on time, and knows what they’re doing.

Our Trusted HVAC Services in Sunnyvale, CA

We don’t just do one thing—we do it all, and we do it well. Here’s a look at the core services we offer to keep your home or business running smoothly.

HVAC Installation & Replacements

Getting a new HVAC system is a big deal—but it doesn’t have to be a headache. We’ll help you find the perfect energy-efficient unit for your space, remove the old one, and install your new system with precision and care. Whether you're upgrading from a dying unit or starting fresh in a new home, we've got your back.

Heat Pump Systems

Heat pumps are becoming the go-to solution for homes in California thanks to their ability to both heat and cool efficiently. Our team can install and service heat pumps that give you year-round comfort without the huge energy bill.

New Construction HVAC

Building a new property? We work with builders and homeowners to design and install custom HVAC systems that fit your floor plan and budget. From duct layout to unit selection, we ensure everything is done right the first time.

Air Duct Cleaning

Dirty ducts can lead to poor air quality, funky smells, and even health issues. Our comprehensive air duct cleaning removes dust, allergens, and debris to keep your air clean and your HVAC system working efficiently.

Why Choose Monterey Bay Heating and Cooling?


We’re not just another HVAC company. We’re a family-owned, customer-first team with deep roots in the Central Coast and Bay Area communities.

Here’s what sets us apart:

Daikin Comfort Pro Installer

As a Daikin Comfort Pro Installer, we exceed industry standards in training and service. You receive quality products and exceptional support from a trusted HVAC brand.

Transparent Pricing and Honest Advice

We believe in clear quotes, honest assessments, and no high-pressure sales tactics. If your system can be fixed, we’ll fix it. If it needs replacement, we’ll walk you through your options without the upsell.

Fast Response and On-Time Service

We know how frustrating it is to wait around for a technician who doesn’t show. That’s not how we roll. Our team respects your time, keeps you updated, and shows up when we say we will.

Locally Owned, Community-Focused

We're not a big-box company with distant call centers. As your neighbors, we treat customers like family and proudly serve Sunnyvale with a personal touch.

The Benefits of Upgrading Your HVAC System

Thinking about replacing that old unit? Here’s what you can gain:

  • Energy Efficiency: New systems use less power, saving you money each month.
  • Better Indoor Air Quality: Modern units offer advanced filtration and ventilation features.
  • Smart Home Integration: Control your HVAC system from your phone or smart device.
  • Consistent Comfort: No more hot spots or freezing corners.
  • Peace of Mind: Fewer repairs and a fresh warranty give you confidence in your system.

When Should You Schedule HVAC Services?

Don’t wait for an emergency. Preventative maintenance and seasonal checkups are key. Here's when to call us:

  • Spring & Fall Tune-Ups to prep your system before heavy use
  • After noticing higher energy bills without increased usage
  • When you hear strange noises or smell something unusual
  • If some rooms feel hotter or colder than others
  • When your system is 10+ years old and starting to fail

Energy Efficiency and Indoor Air Quality: A Dual Focus

It’s not just about temperature—it’s about the air you breathe. We design systems that keep your space healthy, not just comfortable. Our air quality upgrades include:

  • HEPA filters
  • UV air purifiers
  • Dehumidifiers & humidifiers
  • Duct sealing & repairs

You deserve to breathe easy. Let’s make sure your system supports your health, too.

Frequently Asked Questions


  • How often should I schedule HVAC maintenance?

    We recommend servicing your system twice a year—once before summer and once before winter—to keep it running efficiently and catch any issues early.

  • What’s the average lifespan of an HVAC system?

    Most HVAC units last 10–15 years, but regular maintenance can help extend that life. If your system is over a decade old and breaking down often, it may be time for a replacement.

  • Are heat pumps a good choice for Sunnyvale homes?

    Absolutely. Heat pumps are perfect for California’s mild climate and provide efficient year-round comfort while reducing your utility bills.

  • Do I really need duct cleaning if I change my air filters regularly?

    Yes. Filters catch a lot, but not everything. Dust, pet dander, and mold can still build up in your ducts over time and affect your air quality.

  • What’s the benefit of hiring a Daikin Comfort Pro Installer?

    It means you’re working with certified experts who meet strict performance standards, have advanced training, and offer premium Daikin equipment with industry-leading warranties.

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Contact Us Today

Ready to experience the best in HVAC services in Sunnyvale, CA? Let Monterey Bay Heating and Cooling be your go-to partner for comfort, efficiency, and peace of mind. As a Daikin Comfort Pro Installer, we deliver unmatched reliability, personalized service, and lasting value.

Give us a call or schedule your service online today—we’re here to help!

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