Premium AC Installation
Upgrade to a high-efficiency cooling system. We size and install modern units that can handle the Sunnyvale heat without driving up your utility costs.
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Sunnyvale's Preferred HVAC Service
Advanced Heating &
Advanced Heating &
Cooling in Sunnyvale
Experience precise climate control in the heart of Silicon Valley. From Eichler homes to modern townhouses, we deliver expert HVAC repair, installation, and maintenance tailored to Sunnyvale's unique needs.
5-Star Rated
by Sunnyvale Locals
15+
Years ServingThe South Bay
Who We Are
Call Our Team
Dedicated to Sunnyvale's Comfort
Sunnyvale's mix of tech innovation and suburban charm requires versatile HVAC solutions. At HVAC Repair LLC, we understand the specific needs of our neighbors, from maintaining radiant heating in classic mid-century homes to installing high-efficiency AC units in the Birdland neighborhood.
Our team of licensed professionals treats every home with respect and care. We are fully insured and committed to delivering honest, high-quality workmanship that keeps your family comfortable and your energy bills manageable year-round.
Licensed Experts
Bonded & Insured for SafetyFast Response
24/7 Emergency Service
Our Expertise
Complete HVAC Solutions for Sunnyvale
Whether you need a quiet, high-efficiency system installation or a quick repair before a heatwave, our comprehensive services are designed to meet the high standards of Sunnyvale homeowners.
AC Repair Services
Is your AC struggling in the afternoon heat? Our technicians diagnose and fix issues promptly, restoring perfect comfort to your home.
Schedule RepairFurnace Repair
Sunnyvale nights can be cool. We provide reliable furnace repairs and safety inspections to ensure your heating system is ready when you need it.
Learn MoreDuctless Mini-Splits
Perfect for home offices, guest suites, or Eichler homes. Enjoy efficient, zoned comfort control with our professional ductless installation services.
Learn MoreCommercial HVAC
We support Sunnyvale businesses with reliable HVAC maintenance. From tech parks to retail spaces, we keep your commercial environment comfortable.
Business InquiryIndoor Air Quality
Reduce pollen and dust common in the Valley. We install advanced air filtration and purification systems for a pristine home environment.
Improve Air QualityDuct Services
Leaky ducts waste energy and money. We offer professional duct testing, sealing, and replacement to improve airflow and system efficiency.
Inspect DuctsMaintenance Plans
Prevent unexpected breakdowns with our annual maintenance plans. Regular check-ups keep your system running smoothly and extend its lifespan.
Join PlanEmergency HVAC
HVAC failures can happen anytime. Our 24/7 emergency response team is ready to serve Sunnyvale residents whenever you need us.
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Why Sunnyvale Chooses Us
The HVAC Repair LLC Promise
We've built our reputation in Sunnyvale on trust, quality, and discretion. Local homeowners choose us because we combine top-tier technical expertise with a commitment to exceptional service.
Certified Professionals
Our team is fully licensed and background-checked, ensuring every job meets the highest safety and quality standards.
Upfront Pricing
No surprises. We provide detailed, flat-rate quotes for your approval before any work begins, so you know exactly what to expect.
Reliable Scheduling
We respect your time. We offer convenient appointment windows and always call ahead so you aren't waiting around.
Local Reputation
We are proud to be a top-rated HVAC provider in Santa Clara County, with numerous satisfied customers across Sunnyvale.
Local Feedback
Loved by Sunnyvale Locals
See why your neighbors in Sunnyvale trust HVAC Repair LLC for their home comfort needs.
★★★★★
"Our AC stopped working on a hot Saturday. HVAC Repair LLC responded quickly and fixed the issue without trying to upsell us. Very professional and polite."
★★★★★
"Great experience replacing our old furnace. They explained all the options without pressure and did a fantastic installation job. The house feels much warmer now."
★★★★★
"We rely on them for all our HVAC maintenance. They are always on time, thorough, and explain everything clearly. It's great to have a trustworthy local company."
Local Coverage
Serving Sunnyvale & The South Bay
Based locally, we provide rapid response times to homeowners across the entire region.
Common Questions
Frequently Asked Questions
Everything Sunnyvale residents need to know about their HVAC systems.
How often should Sunnyvale homeowners service their HVAC?
With Sunnyvale's moderate climate, we recommend a bi-annual schedule: an AC tune-up in spring to prepare for valley heat, and a heating inspection in autumn. This proactive approach helps your system run efficiently and extends its lifespan.
Do you service all neighborhoods in Sunnyvale?
Yes! We serve all of Sunnyvale, including Lakewood, Snail, Washington Park, and Heritage District. We are familiar with the unique needs of both historic Eichler homes and modern developments.
What if my AC breaks down on a weekend?
We offer 24/7 emergency repair services. If your system fails during a weekend heatwave or a holiday, simply call (323) 487-6504, and our on-call technician will be dispatched to your home immediately.
Do you offer financing for new installations?
Yes, we understand that a new HVAC system is a significant investment. We offer flexible financing options to help make upgrading your home's comfort system affordable and stress-free.
Ready to Upgrade Your Comfort?
Don't settle for less than perfect climate control. Join your Sunnyvale neighbors who trust HVAC Repair LLC for all their heating and cooling needs.