Top Emergency HVAC Services in Sunnyvale, CA,  94043  | Compare & Call

Sunnyvale HVAC Company

Sunnyvale HVAC Company

Sunnyvale, CA
Emergency HVAC Services

Phone : (888) 996-4787

Sunnyvale HVAC Company offers HVAC repair and maintenance in Sunnyvale, California. The company works with common furnace and AC systems and provides clear recommendations without pressure.
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Same Day Air Conditioning & Heating

Same Day Air Conditioning & Heating

★★★★★ 4.7 / 5 (203)
1212 W Mckinley Ave Ste 4, Sunnyvale CA 94086
Heating & Air Conditioning/HVAC

Same Day Air Conditioning & Heating provides reliable HVAC services in Sunnyvale, CA. Their skilled technicians handle installation, repair, and maintenance for all makes and models. Available 24/7 for emergency service, this trusted local company is known for quick response times and honest, professional work to keep your home comfortable year-round.

Jim's Air Conditioning Service

Jim's Air Conditioning Service

★★★★★ 4.8 / 5 (17)
Sunnyvale CA 94086
Heating & Air Conditioning/HVAC

Jim's Air Conditioning Service provides reliable HVAC solutions in Sunnyvale, CA. This licensed team handles heating and air conditioning installation, repairs, and maintenance for homes and businesses. They are a trusted local resource, known for skilled work on systems from Bryant to Carrier, serving areas from San Jose to Los Altos with dependable service.

Grumpy's HVAC

Grumpy's HVAC

★★★★★ 4.9 / 5 (32)
493 Vine Ave, Sunnyvale CA 94086
Heating & Air Conditioning/HVAC

Grumpy's HVAC is a trusted Sunnyvale, CA contractor with over 30 years of experience. They handle HVAC installation, repair, and maintenance for residents. Their skilled technicians provide reliable service to keep your home's heating and cooling running smoothly.

Breeze HVAC Repair

Breeze HVAC Repair

★★★★★ 5.0 / 5 (8)
Sunnyvale CA 94085
Heating & Air Conditioning/HVAC

Based in Sunnyvale, CA, Breeze HVAC Repair keeps homes comfortable across the Bay Area with skilled installation, repair, and maintenance. Their team provides reliable service for both heating and cooling systems, available daily for urgent needs. Homeowners trust them for straightforward, effective solutions to keep their HVAC running safely and efficiently year-round.

First California Appliances

First California Appliances

★★★★★ 4.6 / 5 (31)
Sunnyvale CA 94089
Appliances & Repair, Heating & Air Conditioning/HVAC

First California Appliances provides reliable appliance and HVAC repair in Sunnyvale, CA. With years of engineering expertise, this BBB-accredited company handles cooktop, refrigerator, washer, and heating system repairs. They offer transparent pricing and same-day service for residents across the Bay Area, making them a trusted local choice for urgent fixes.

Alpha HVAC & Electrical

Alpha HVAC & Electrical

★★★★★ 4.9 / 5 (10)
Sunnyvale CA 94087
Heating & Air Conditioning/HVAC

Alpha HVAC & Electrical is a trusted, family-owned provider serving Sunnyvale, CA. They bring years of experience to every HVAC installation, repair, and maintenance job. Their skilled technicians are available for 24/7 emergency service to keep your home comfortable year-round.

MYC Appliance Repair

MYC Appliance Repair

★★★★★ 4.9 / 5 (176)
Sunnyvale CA 94087
Appliances & Repair, Heating & Air Conditioning/HVAC

MYC Appliance Repair serves Sunnyvale, CA with years of reliable service. Their skilled technicians handle fridge, oven, washer, dryer, and HVAC repairs. They offer flexible scheduling and a warranty on their work, making them a trusted local choice for appliance repair in the South Bay area.

FixSolid Repair Dannenberg

FixSolid Repair Dannenberg

Sunnyvale CA 94087
Heating & Air Conditioning/HVAC

FixSolid Repair Dannenberg is a trusted, family-owned HVAC company in Sunnyvale, CA. They offer installation, repair, and maintenance with 24/7 emergency support. Their skilled technicians are licensed and insured, providing reliable service across the Central Coast, from Salinas to Santa Cruz.

Arnie's Furnace Service

Arnie's Furnace Service

★★★★★ 4.6 / 5 (75)
1212 Sargent Dr, Sunnyvale CA 94087
Heating & Air Conditioning/HVAC

For HVAC system repair in Sunnyvale, CA, residents turn to Arnie's Furnace Service. Their skilled technicians provide reliable service across Sunnyvale, Santa Clara, and Mountain View. They are a trusted local choice for getting heating and cooling systems working again.

A & A Plumbing

A & A Plumbing

★★★★☆ 4.2 / 5 (119)
Sunnyvale CA 94087
Plumbing, Heating & Air Conditioning/HVAC

Since 1947, A & A Plumbing has provided reliable plumbing and HVAC service in Sunnyvale, CA. Their skilled technicians handle repairs and installations for water heaters, sewer lines, and heating systems. As a trusted local business, they offer clear diagnostics and solutions for homes in Palo Alto and Cupertino.

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Welcome to Your Guide for HVAC Service in Sunnyvale, CA

When a sudden heatwave rolls over Silicon Valley or a rare cold snap hits Sunnyvale, your home's comfort system becomes your first line of defense. This guide is designed to help Sunnyvale homeowners understand everything about HVAC service in Sunnyvale, CA—from routine check-ups to urgent, middle-of-the-night emergencies.

What HVAC Service Means for Sunnyvale Homeowners

HVAC service here covers everything to keep your home comfortable year-round. This includes regular maintenance, unexpected repairs, and critical emergency response. Many of our neighbors in areas like the Downtown or Cherry Chase neighborhoods use our services for seasonal tune-ups before our hot summers and occasional chilly winters, plus same-day service when systems act up.

Understanding Your HVAC Emergency

An HVAC emergency is any situation where your safety or health is at immediate risk. This includes having no heat when overnight temperatures dip near freezing, total AC failure during a dangerous heatwave, smelling gas or suspecting carbon monoxide, hearing loud electrical buzzing from your unit, or finding a major water leak from your air conditioner inside your home.

Sunnyvale's Climate and Your Home's Systems

Sunnyvale’s weather can be tough on HVAC equipment. Our dry, hot summers push air conditioners to their limits. While our winters are mild, older furnaces and heat pumps still get a workout. Dust and pollen are common, and many older homes in the Old Sunnyvale area have aging gas furnaces, while newer builds in the North Sunnyvale neighborhoods often use modern heat pumps or ductless mini-splits. This variety means the right HVAC service depends on your specific home and system.

Common HVAC Problems We See in Sunnyvale

We get a lot of calls for ACs that just won't cool on a 90-degree day. Furnaces that won't ignite on a cold morning are another common issue. We recently helped a family in the Lakewood Village neighborhood whose air conditioner froze up because of a dirty filter, and another in the Raynor Park area who had water pooling from a clogged condensate line. Other frequent problems include failing capacitors, thermostat glitches, and airflow issues from blocked vents.

Emergency HVAC, Same-Day Service, or Routine Care?

Knowing when to call is key. If you have no heat in freezing weather or your carbon monoxide alarm is sounding, that's an emergency—call for 24/7 HVAC service immediately. If your AC is blowing warm air on a hot day, same-day HVAC service is a great option to restore comfort quickly. For things like a scheduled check-up or a minor, non-urgent noise, you can usually wait for regular business hours. This balance is what true HVAC service in Sunnyvale, CA, is all about.

A Transparent Look at HVAC Service Costs

We believe in clear pricing. A standard diagnostic fee for HVAC service typically starts around a set rate. If you need help outside normal hours, an emergency call-out fee may apply, and labor rates can be higher. Parts are priced separately. For example, a common repair like replacing a capacitor during a weekday might cost one range, while an after-hours visit for a no-heat emergency in winter could be higher due to premium labor. These are estimates, and we always provide a clear quote before any work begins.

Signs You Need Immediate HVAC Service

  • No heat when it's freezing outside.
  • Your carbon monoxide alarm is beeping.
  • You smell a strong gas odor near the furnace.
  • There's smoke or a burning smell from the HVAC unit.
  • Water is pooling from your indoor AC unit.
  • You hear loud banging or electrical arcing noises.
  • Your air conditioner fails completely during a heatwave.

Your Safety Checklist While Waiting for Help

  • If you smell gas, evacuate and call your gas company immediately.
  • If the CO alarm sounds, get everyone out of the house.
  • If it's safe to do so, turn off the HVAC system at the thermostat.
  • Stay away from any electrical components that are sparking or smoking.
  • Move children, elderly family members, or pets to a safe, comfortable location.
  • Remember, never try to fix gas or high-voltage electrical issues yourself.

Local Codes and Why Licensed Service Matters

In Sunnyvale and across California, HVAC work must meet strict codes. This includes proper furnace venting to prevent carbon monoxide hazards and EPA-certified handling of refrigerants. Major replacements often require a permit from the city. Using a licensed professional for your HVAC service ensures the job is done safely and legally, protecting your home and family.

What to Expect for Response Times

When you call for emergency HVAC service in Sunnyvale, we aim to get a technician to you as fast as possible, typically within a few hours depending on traffic, severe weather, and your specific location relative to major routes like Lawrence Expressway or US-101. We dispatch from right here in Sunnyvale to serve you quickly.

Your Local Partner for Comfort and Safety

Understanding your HVAC system and when to call for help is part of being a prepared homeowner in Sunnyvale. For everything from a seasonal tune-up to a crisis, reliable HVAC service in Sunnyvale, CA, is just a phone call away.

Sunnyvale Emergency HVAC provides trusted HVAC service in Sunnyvale, CA, including 24/7 emergency response and same-day repairs. Call (888) 996-4787 now for immediate dispatch.





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