Cooling By Design

Licensed HVAC Contractor · CSLB #1148982

HVAC Contractor in West Hills, CA

Fast, honest AC and heating service for West Hills homes, ranch-style properties and larger lots from a licensed team based right next door in Canoga Park. Same-day service available, 24-hour emergency help, and a 10-Year Cooling Comfort Plan on every new system.

  • Licensed & Insured
  • 5-Star Rated
  • Financing Available
  • Same-Day Service
  • 24-Hour Emergency Service
West Hills HVAC at a Glance

Licensed AC and Heating Service in West Hills, CA 91304

Cooling By Design is a licensed HVAC contractor (CSLB #1148982) serving West Hills, CA 91304 from our office at 21201 Victory Blvd in neighboring Canoga Park. We repair and install air conditioners, furnaces and heat pumps, handle ductwork and indoor air quality, offer maintenance plans for homes and businesses, and back every new system with our 10-Year Cooling Comfort Plan: a 10-year parts warranty, 10-year labor coverage, twice-a-year professional maintenance and flexible payments.

Service areaWest Hills, CA 91304 and nearby Canoga Park, Winnetka, Woodland Hills, Chatsworth and Calabasas
ResponseSame-day service available. 24-hour emergency service.
Call or text(877) 702-6654
Office21201 Victory Blvd, Suite 125, Canoga Park, CA 91303
Only From Cooling By Design

The 10-Year Cooling Comfort Plan: Install Once, Relax for 10 Years

When you install a new system with us, you do not just get equipment. You get a decade of certainty, so a part failure in year four never turns into a surprise bill.

10yrParts WarrantyFull coverage on every system component. No hidden exclusions.
10yrLabor CoverageIf service is ever needed, labor is already covered.
20Seasonal Tune-UpsProfessional maintenance before every summer and winter for 10 years.
10yrFlexible PaymentsFinancing structured comfortably for your household.
Local HVAC Knowledge

Heating and Cooling in West Hills: What Local Homeowners Should Know

Minutes from our Canoga Park office

West Hills borders Canoga Park on its east side, so our technicians reach most West Hills homes in a few minutes. That short drive makes same-day AC and heating service realistic when the schedule allows.

Warm, dry summers that run long

West Hills has a warm, dry Mediterranean climate, with August highs averaging around 96°F. Air conditioners here run for months, and constant load wears capacitors, contactors and compressors faster than in coastal Los Angeles.

Single-family homes and larger lots

This is a highly residential community of mostly single-family homes with low density. Larger homes mean longer duct runs, more rooms to balance and systems that need careful sizing when it is time to replace them.

Established neighborhoods with aging systems

Many West Hills homes were built decades ago, and original or early replacement systems are now reaching the end of their life. We help you compare repair against replacement with a written quote.

Mild winters, chilly mornings

Winters are mild but mornings can be chilly near the foothills. A furnace that sits idle most of the year needs to start reliably, and a modern heat pump can cover both heating and cooling efficiently.

Open space, dust and smoke

West Hills sits beside El Escorpión Park, Bell Canyon Park and the Upper Las Virgenes Canyon open space. Dust, canyon winds and seasonal smoke clog filters, so good filtration and sealed ductwork help protect your air.

Troubleshooting Guide

Common AC and Heating Problems We Fix in West Hills

What you noticeCommon causesWhat we do
AC runs but does not coolLow refrigerant, failed capacitor, dirty condenser coilDiagnose, repair leaks, replace the failed part
AC freezing upRestricted airflow, low refrigerant, failing blowerThaw the coil and fix the root cause
Rising summer energy billsLeaky ducts, aging or oversized systemDuct testing, tune-up or right-sized replacement
Weak airflow, hot roomsDirty filters, duct leaks, failing blower motorAirflow testing and duct repair
Furnace will not ignite or no heatFaulty igniter, dirty flame sensor, thermostat problemRepair or replace the failed component
Short cycling or loud noisesWorn motor bearings, loose parts, compressor strainInspect, repair, or advise on replacement

If your system is making burning smells, tripping the breaker or leaking refrigerant, switch it off and call us right away.

Make the Right Call

Repair or Replace? A Simple Guide for West Hills Homeowners

FactorRepair usually makes senseReplacement usually makes sense
System ageUnder about 10 years12 years or older
RefrigerantCurrent refrigerant, parts easy to sourceOlder R-22 system (production ended in 2020), costly to recharge
Repair costWell below half the cost of a new systemApproaching half or more of a new system
Breakdown historyA first or isolated failureRepeat repairs within one or two seasons
Energy billsStable season to seasonClimbing despite regular maintenance
ComfortEven temperatures room to roomHot and cold spots, noise, humidity problems
Why the first heat wave is the worst time to decide. Valley heat waves send thousands of homeowners to the phone at the same moment. Schedules tighten, parts and equipment can take longer to source, and rushed decisions cost more. Booking a tune-up or replacement quote in spring or fall avoids the rush, and every new system installed with us carries the 10-Year Cooling Comfort Plan.
Why Cooling By Design

Why West Hills Homeowners Choose Us

Fast DispatchSame-day service available, and 24-hour emergency service when your system fails at the worst time.
Certified TechniciansLicensed, insured and trained across all major brands, with clear explanations of what we find.
Transparent PricingA written quote before work begins, with no pressure to add work you do not need.
Warranty-Backed WorkQuality workmanship backed by warranties, plus the 10-Year Cooling Comfort Plan on new systems.
Customer Reviews

What Our Customers Say

Posted on Yelp Yelp
Alex R. profile picture
Alex R.
Yelp star 1Yelp star 2Yelp star 3Yelp star 4Yelp star 5Verified
Adi came by and fixed my AC within 20 minutes of calling. Great service and quick response
Posted on Yelp Yelp
Tammy D. profile picture
Tammy D.
Yelp star 1Yelp star 2Yelp star 3Yelp star 4Yelp star 5Verified
I had Cooling By Design come to fix my A/C during one of the hottest and busiest times of the year. They were able to get me on the schedule the same day and repair completed as well. Adi was consistent in communicating throughout the day. He was trustworthy to come into my residence when I left it open due to work related issues. I would highly recommend them. The repair was done with something basic that was needed and they did not try to add on extra work to make more on the job. Very grateful customer.
Posted on Yelp Yelp
Ashley profile picture
Ashley
Yelp star 1Yelp star 2Yelp star 3Yelp star 4Yelp star 5Verified
Cooling By Design came quickly - in a heat wave! Found the problem, got the unit working again swiftly. Would call again!
Posted on Yelp Yelp
Sayde C. profile picture
Sayde C.
Yelp star 1Yelp star 2Yelp star 3Yelp star 4Yelp star 5Verified
Our A/C stopped working during this week's heatwave. When the tech came out the next morning, he quickly diagnosed the issue and got us back up and running. Thank you, Adi, for helping us out in Newbury Park and for the honest work!
Posted on Yelp Yelp
Abtin B. profile picture
Abtin B.
Yelp star 1Yelp star 2Yelp star 3Yelp star 4Yelp star 5Verified
Our AC went out during a brutal hot weekend in Woodland Hills - basically worst-case timing. Cooling by Design showed up within hours, diagnosed the issue fast, and got everything running again without any runaround. What stood out most: clear communication, fair pricing, and no upsell pressure. Just solid, honest work when we needed it most. Definitely keeping Adi & Cooling by Design as our go-to.
Posted on Yelp Yelp
Adam W. profile picture
Adam W.
Yelp star 1Yelp star 2Yelp star 3Yelp star 4Yelp star 5Verified
Good with eco-friendly options, including heat pumps (work great and have saved us $$ on electricity use) and whole-house clean air filters. Have worked with the owner on several projects, including post-fire cleanup, and am on an annual maintenance plan. Adi has been highly dependable and his techs very sharp & friendly.
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Frequently Asked Questions

HVAC FAQs for West Hills Homeowners

Yes. Cooling By Design offers same-day service across West Hills (91304) when the schedule allows, and we provide 24-hour emergency service. During heat waves slots fill quickly, so call (877) 702-6654 early in the day.

Check three things: an active California contractor license you can verify at cslb.ca.gov (ours is #1148982), proof of insurance, and written pricing before work starts. Then read recent reviews for patterns around punctuality and honesty.

Repair cost depends on the failed part and labor. Installation cost depends on system size, efficiency level, the condition of your ductwork and permit requirements. We give a written quote before any work begins, and financing is available for larger projects.

Consider replacement when the system is 12 or more years old, uses older R-22 refrigerant, keeps breaking down, or the repair cost approaches half the price of a new unit. For newer systems with an isolated failure, repair is usually the better value.

Yes. San Fernando Valley winters are mild, which is the climate where heat pumps are most efficient. One heat pump both heats and cools your home, and it can replace a separate furnace and air conditioner.

When you install a new system with Cooling By Design, the plan includes a 10-year parts warranty, 10-year labor coverage, professional maintenance before every summer and winter (20 seasonal tune-ups over 10 years) and flexible payment options.

Yes. West Hills has a large share of rental housing, and we work with landlords, property managers and business owners. Our commercial HVAC team handles repair, replacement and installation with minimal downtime.

We serve West Hills (91304) and the neighboring communities of Canoga Park, Winnetka, Woodland Hills, Chatsworth and Calabasas across the San Fernando Valley.

Ready When You Are

Need HVAC Help in West Hills? Let's Fix It Today.

Tell us what is going on and we will get you scheduled. Prefer to talk? Call (877) 702-6654 any time for 24-hour emergency service.

  • Licensed & Insured
  • Transparent Pricing
  • Financing Available

Get Your Free HVAC Quote

Tell us what you need and a Cooling By Design team member will reach out shortly. Need help right now? Call (877) 702-6654.

Areas We Serve Near West Hills

Cooling By Design serves West Hills (91304) and the surrounding San Fernando Valley, including Canoga Park, Winnetka, Woodland Hills, Chatsworth and Calabasas. See all service areas.

Submit Your Query

Tell us what is going on with your AC or heating. A Cooling By Design team member will get back to you shortly. For urgent same-day service, call (877) 702-6654.

Request a Heater Installation Quote

Planning to replace an old heater or install a new heating system? Tell us about your home and we will schedule a free assessment and send clear options and pricing.

Claim Your LADWP Heat Pump Rebate

Tell us about your home and we will check your LADWP heat pump rebate eligibility, size a qualifying system and schedule your free assessment. Rebates are paid by LADWP to eligible electric customers.