Top-Rated Air Conditioning Pros Near You in Gilroy, CA

Castrillo Heating & AC Corp

When it comes to HVAC Services, no one compares to Castrillo Heating & AC Corp. With years of combined experience, Castrillo Heating & AC Corp has worked hard to build the trust of our clients in Saratoga, Los Gatos, Cupertino and beyond. Visit our website to learn more. Or better yet, click the link and call us today!

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South County Mechanical

When you have a serious or urgent project that needs to be done, look no further than South County Mechanical, the Bay Area's reliable heating, air conditioning and refrigeration provider. We innovate. We deliver. We do it right the first time.

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Design Air, Inc.

Design Air is a full service Heating & Air Conditioning Contractor serving Santa Clara and San Benito Counties. We are primarily a "Carrier" distributor but can provide several other brands the customer may desire. We have a combined total of 50 years in the Heating/Cooling industry. All installers are trained union Journeymen. We look forward to serving you.

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CAQ and duct cleaning

We are an Air Duct and Dryer Vent Cleaning Company located in Gilroy.We have specialized in Indoor Air Quality and HVAC remediation services for 10 years.We serve the following Counties: Contra Costa, Santa Clara, San Benito, Santa Cruz and Monterey.(no travel charge to these counties) Call us for a free estimate! Now offering Dryer Safety Alarms to protect your home and family.Special $169 (includes Dryer Vent Cleaning, Alarm and installation

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ASCO SERVICE INCORPORATED

Free installation estimates. Radio dispatched technicians servicing the Gilroy, Morgan Hill, and Hollister area.

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Duerr Heating & Air Conditioning
Super Air Heating & Cooling

Small company that offers HVAC & Appliance service. Our employees do the work and we try to schedule within 24 hours of you calling us. During high traffic times this isn't possible

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Raul M. Ortega, Jr.

Raul M Ortega provides excellent quality HVAC work for both residential and commercial properties and makes sure that all of his clients have their expectations met. Raul handles customer communications and will always make sure to leave his clients with the best service possible.

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ARS Comfort Solutions, Inc.

ARS Comfort Solutions, Inc. is a full service HEATING, AIR CONDITIONING and ELECTRICAL company. Our whole company is focused on providing the best customer service experience to each client. We use quality parts and equipment to go with some of the best warranties in the industry. You won't regret choosing ARS Comfort Solutions, Inc to assist you with your project! We look for to working with you soon!

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I-ON MECHANICAL INC

About Air Conditioning Pros in Gilroy, CA

As a licensed HVAC contractor serving Gilroy and its surrounding neighborhoods, I’ve seen firsthand the unique challenges homeowners face when it comes to their heating and cooling systems. With Gilroy’s hot, dry summers and cooler, damp winters, efficient climate control isn’t just a comfort—it’s a necessity. Local factors like wildfire smoke, seasonal temperature swings, and the increasing demand for energy-efficient heat pumps over traditional gas furnaces make choosing the right HVAC system for your Gilroy home critical. Whether you live in neighborhoods like Eagle Ridge or near the historic downtown area, each home comes with its own set of HVAC considerations, from older ductwork to modern energy code requirements.

One of the biggest challenges in Gilroy is navigating compliance with California’s Title 24 energy standards. Permitting through the City of Gilroy Building Division often involves strict inspections, including duct leakage testing, SEER rating verification, and ensuring proper zoning for outdoor condenser units. These steps are essential for meeting efficiency benchmarks and ensuring your system is built to last. For many homeowners, upgrading or replacing an HVAC system can cost between $8,000 and $18,000, depending on factors like home size, ductwork condition, and the type of system installed.

Gilroy’s varied architectural styles and age of homes also play a role in HVAC design. Homes in newer developments often require advanced solutions to meet modern energy codes, while older homes may need extensive retrofitting to accommodate new systems. With the right expertise, it’s possible to achieve a balance of comfort, efficiency, and compliance for any home in the Garlic Capital of the World.

Air Conditioning FAQs

The nationwide cost of air conditioning installation typically ranges between $3,500 and $7,500. However, the final price depends on several factors:

  • Size of the unit: Larger systems generally cost more because they have greater cooling capacity.
  • Energy efficiency rating: High SEER-rated units can be pricier upfront but save on energy bills.
  • Home size and layout: Complex ductwork or large spaces may increase installation costs.
  • Additional components: Items like smart thermostats or air purifiers can add to expenses.
  • Location-specific labor rates: Labor costs vary by state and city.

Always request itemized quotes from "Air Conditioning Pros" and confirm the scope of work before agreeing to a project.

When hiring an HVAC professional in Gilroy, consider the following:

  • Licensing: Verify their license through your local licensing board.
  • Insurance: Confirm they hold general liability and workers' compensation insurance.
  • Experience: Look for technicians with several years of experience or relevant certifications.
  • References and reviews: Check customer testimonials or ask for past project references.
  • Transparent pricing: Ensure they offer written estimates with no hidden fees.

For more details on licensing, visit the Department of Energy for guidelines or consult your city-specific licensing board.

Installing a new air conditioning system typically takes 1 to 2 days under standard conditions. For more complex installations requiring extensive ductwork, it could extend to 3 to 5 days. Factors impacting the timeline include:

  • Home size: Larger homes require more time for installation.
  • Type of system: Central air systems take longer than mini-split setups.
  • Ductwork requirements: Repairing or adding ductwork adds time.

"Air Conditioning Pros" will assess your home's needs and provide a time estimate during their consultation.

Some key warning signs that it may be time to replace your air conditioning unit include:

  • Frequent repairs: If your AC breaks down often, replacement might be more cost-effective than repairs.
  • High energy bills: Older units are less energy-efficient, leading to elevated costs.
  • Inconsistent cooling: Hot spots or poor temperature regulation could signal system inefficiency.
  • Age of the system: Most air conditioners last 10–15 years. Units older than this likely need an upgrade.
  • Loud noises: Banging, grinding, or squealing sounds can indicate serious issues.

"Air Conditioning Pros" can perform an inspection to confirm whether repair or replacement is the best option.

To maintain your air conditioning system and ensure efficiency, follow these steps:

  • Replace air filters regularly: Ideally every 1–3 months, especially during heavy usage.
  • Clean condenser coils: Dirt and debris buildup significantly reduce efficiency.
  • Inspect ductwork: Ensure no leaks or blockages in your air ducts.
  • Check the thermostat settings: Programmable thermostats optimize energy consumption.
  • Schedule professional tune-ups: "Air Conditioning Pros" recommend yearly maintenance checks.

By staying proactive, you can extend the lifespan of your AC unit while saving on energy costs.

Here are important questions to ask "Air Conditioning Pros" during an estimate in Gilroy:

  • Is the unit sized appropriately for my home? Proper sizing ensures optimal cooling.
  • What SEER rating does the system have? Higher ratings mean better efficiency.
  • Are additional features like smart thermostats included? Ensure you get the best value.
  • Do you provide a warranty? Look for coverage on both parts and labor.
  • What’s included in the estimate? Confirm that labor, equipment, and any permits are itemized.

These questions will help you compare quotes more effectively and make a confident decision.

Yes, most municipalities require permits when installing a new HVAC system, especially for modifications to ductwork or electrical connections. "Air Conditioning Pros" are experienced in handling permit applications and can guide you through the process. Permit requirements vary by location, so check with your local building department for specifics. Failing to secure the proper permits can lead to fines or issues with homeowners' insurance.

Be cautious of the following red flags when hiring air conditioning contractors:

  • No licensing or insurance: Always verify credentials to avoid liability risks.
  • Unclear pricing: Avoid contractors who refuse to provide written estimates.
  • Pushy sales tactics: Reputable professionals don't pressure you into quick decisions.
  • Lack of customer reviews: Established businesses will have verifiable feedback.
  • Poor communication: Professional contractors prioritize responsiveness and clear communication.

"Air Conditioning Pros" prioritize transparency and professionalism, ensuring peace of mind during your project.

The most common types of air conditioning systems for residential properties include:

  • Central air systems: Best for cooling large homes and evenly distributing air through ductwork.
  • Mini-split systems: Ideal for smaller homes or spaces without existing ductwork.
  • Window units: A cost-effective option for single rooms.
  • Portable units: Convenient for renters but less efficient overall.

"Air Conditioning Pros" can assess your home's cooling needs and recommend the most suitable solution.

To improve your air conditioner’s energy efficiency, consider the following:

  • Upgrade to a high-SEER unit: Modern systems are far more efficient.
  • Use programmable thermostats: Reduce energy usage during off-peak hours.
  • Seal your home's insulation: Prevent air leaks around windows, doors, and ductwork.
  • Maintain your system regularly: Schedule cleanings and tune-ups with "Air Conditioning Pros".
  • Use ceiling fans: Supplement cooling to reduce strain on your AC.

Small upgrades and consistent maintenance can lead to significant energy savings over time.

Reviews for Air Conditioning Pros

Cool Air in Hours!
Our AC broke down during the hottest weekend in July here in Phoenix. I reached out in the morning, and by the afternoon, a professional had replaced the faulty part and got the cool air flowing again. The speedy service saved us from booking an expensive hotel and made our home comfortable again.
Lisa P.
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Budget-Friendly AND Reliable
I was bracing myself for a massive repair bill when our AC quit, but the technician diagnosed the issue quickly and offered a simple fix that cost a fraction of what I expected. Being in Raleigh, NC, during summer heat without AC would’ve been brutal – so glad I called them!
Mark R.
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Effortless Maintenance Scheduling
I booked an annual AC tune-up through this service to avoid future breakdowns. The process was seamless, and the pro they sent even identified and fixed a small issue I didn’t know about. Now I have total peace of mind heading into summer with a system that’s running like new.
Jennifer C.
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Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Nov 28, 2025, 6:34:11 AM