Serving all of Los Angeles County Emergency line answered 24/7
info@wjchvac.com (626) 202-6033
Heat pump unit installed outside a bright modern home on a sunny day
Serving the entirety of Los Angeles County

HVAC Repair & Installation Los Angeles County

From no-cool emergencies to full system installs, WJC Heating & Air keeps your home comfortable year round with honest advice, upfront pricing, and workmanship you can trust.

Call (626) 202-6033 Get a Free Quote
  • Available 24/7
  • Upfront, honest pricing
  • Serving all of Los Angeles County
Common jobs
AC not cooling New system quote Diagnose my issue
Always reachableWe answer 24/7
Upfront pricingQuote before we start
Local to LA CountyWe work where we live
Workmanship you trustDone right, guaranteed
Symptom analyzer

What system is acting up?

Select your equipment so we can pull the right diagnostic paths. It takes about 20 seconds, and it’s free.

  1. 1Equipment
  2. 2Symptom
  3. 3Likely cause

Which system is giving you trouble?

What’s it doing?

This tool offers general guidance, not a diagnosis. Always have a qualified technician do the work.

Want a technician to take a look?

Request service
What we do

Complete heating & cooling services

One local team for every HVAC need, residential and light commercial, across Los Angeles County.

Carrier air conditioning condenser installed beside a Los Angeles home
Most requested

AC Repair

Not cooling, blowing warm, or making noise? We find the real cause and explain your options before any work begins.

Request this service
Newly installed Carrier condenser with the EnergyGuide label still attached
Cooling

AC Installation & Replacement

Right-sized, energy-efficient systems installed clean and correct, with honest recommendations instead of upsells.

Get a free quote
Wall-mounted air conditioning units
Cooling

Wall & Window Units

Service, replacement, and proper installation for wall and window AC units, including apartments and older buildings.

Ask about wall units
Ductless mini split outdoor unit with the line set run up the wall
Ductless

Ductless Mini-Splits

Perfect for additions, garages, and rooms that never feel right. Efficient comfort with no ductwork.

Ask about mini-splits
Outdoor heat pump unit beside a home
Year-round

Heat Pumps

One efficient system for heating and cooling. We help you pick, size, and install the right heat pump.

Get a free quote
Insulated HVAC ductwork
Airflow

Duct Cleaning & Sealing

Leaky, dirty ducts waste money and hurt air quality. We clean, seal, and repair for better airflow and lower bills.

Request this service
Lennox rooftop package unit on a residential roof
Preventive

Maintenance & Tune-Ups

Seasonal tune-ups catch small problems before they become costly breakdowns, and they keep your system running efficiently.

Book a tune-up
Newly installed rooftop package unit on a commercial building
Commercial

Commercial HVAC

Offices, storefronts, and light commercial spaces. We keep customers and staff comfortable and systems running.

Discuss my property

Not seeing what you need?

Ask us about it
Why WJC

Comfort you can count on, and a contractor you can trust.

HVAC has a reputation for surprise fees and hard upsells. We built WJC to be the opposite: straight answers, fair prices, and work done the right way.

Schedule your visit
01

We answer, day or night

No phone trees, no waiting until Monday. Our line is answered around the clock. We’ll talk through the problem and get you on the schedule for the earliest available visit.

Emergency line
02

Honest diagnostics, upfront quotes

You get a clear explanation of what’s wrong and a written price before any work begins. No surprises on the invoice.

Symptom analyzer
03

Sized and installed correctly

Comfort and efficiency start with the right equipment, properly sized for your home. We do it right so your system lasts and your bills stay low.

All services
04

Local, and here to stay

We live and work in Los Angeles County. Our reputation depends on treating your home like our own and standing behind every job.

About us
WJC crane truck lifting an old rooftop unit off a Los Angeles apartment building
24/7we answer the phone
LA Countyfully covered
Localowned and operated
0%satisfaction focus
About us

Your neighbors in comfort, all across Los Angeles County

WJC Heating & Air is a locally owned and operated HVAC company built on a simple idea: treat every home like it’s our own. Whether you need a quick repair, a seasonal tune-up, or a brand-new system, you get the same thing every time: honest advice, quality parts, and clean, careful workmanship.

We know LA homes and LA weather: the heat waves, the marine-layer humidity near the coast, and the cold desert nights inland. That local know-how means we recommend the right solution for your home, not a one-size-fits-all sales pitch.

  • Straightforward pricing with no hidden fees
  • Respectful techs who protect your home and clean up
  • Work backed by a satisfaction guarantee
See what we fix Work with us
How it works

Comfort in four simple steps

No runaround, no pressure, and a clear path from problem to fixed.

  1. 1

    Reach out

    Call, text, or book online at any hour. We answer 24/7 and get you on the schedule for the earliest available visit.

  2. 2

    We diagnose

    A friendly, experienced tech inspects your system and pinpoints the real problem, not just the symptom.

  3. 3

    Upfront quote

    You get clear options and a written price before we start. You decide. No pressure, no surprises.

  4. 4

    Fixed right

    We do the work cleanly and correctly, test everything, and make sure you’re comfortable before we leave.

Ready to get started?

Request service

HVAC emergency? We answer 24/7.

System down in a heat wave or on a cold night? Call any time. We’ll walk you through it and book the earliest available visit.

(626) 202-6033
Stay connected

Follow along, and tell us how we did

See our latest work on Facebook, and if we’ve earned it, a Google review helps other LA homeowners find us.

Follow us on Facebook

Project photos, seasonal maintenance tips, and service updates for Los Angeles County homeowners.

Visit our page

Leave us a Google review

Happy with the work? A quick review takes 30 seconds and makes a real difference for a local business like ours.

Write a Google review
FAQ

Questions LA homeowners ask us

Still curious? Give us a call. We’re happy to talk it through.

Call (626) 202-6033
When can I reach you?

Our regular service hours are 8:00am to 6:00pm, and our emergency line is answered 24 hours a day, 7 days a week. Call any time and we’ll talk through what’s happening and book you the earliest available appointment.

Do you charge for estimates?

We provide free quotes on new system installations and replacements. For diagnostic service calls, we’ll explain any fee up front before we begin, so you’ll know the cost before work starts.

What brands and systems do you work on?

We service and install most major HVAC brands, including central AC, heat pumps, ductless mini-splits, and wall units. If you’re not sure what you have, send us a photo and we’ll help.

Should I repair or replace my system?

It depends on the system’s age, condition, and repair cost. We’ll give you an honest breakdown of both options so you can make the choice that’s right for your home and budget. We never push a forced upsell.

Do you offer maintenance plans?

Yes. Seasonal tune-ups keep your system efficient, extend its life, and catch small issues before they become expensive breakdowns. Ask us about our maintenance options.

Get in touch

Request service or a free quote

Tell us what you need and we’ll get right back to you. For urgent issues, calling is fastest.

  • Call or text(626) 202-6033
  • Service areaAll of Los Angeles County, CA
  • Service hours8:00am to 6:00pm
  • Emergency lineAnswered 24/7
Service needed

Call (626) 202-6033