CoolAir HQ
COOL AIR HQ INC. · Cooling · Heating · IAQ
☎ (818) 860-3616
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Complete HVAC Services for LA Homes & Businesses

CoolAir HQ has been keeping Los Angeles comfortable since 2009. Lennox Certified technicians serving all brands.

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What We Do

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AC Repair

Fast diagnosis and repair for all AC brands. Same-day service available.

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AC Installation

New system installation with Lennox, Goodman, Carrier and all major brands.

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Heating Systems

Furnace repair, installation and maintenance. Heat pumps and gas furnaces.

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🌿

Indoor Air Quality

Air purifiers, UV systems, humidifiers and advanced filtration.

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Maintenance Plans

Keep your system efficient with seasonal tune-ups and priority service.

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Commercial HVAC

Commercial systems, rooftop units and multi-zone installations.

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AC Repair

Is Your AC Not Cooling? We Fix It Fast.

Los Angeles summers are brutal. When your AC stops working, you need someone fast and honest. CoolAir HQ technicians diagnose and fix most AC problems on the first visit.

We repair all brands and models — from window units to central air systems. If it can be fixed, we'll fix it. If it can't, we'll tell you honestly.

  • AC not cooling or blowing warm air
  • System won't turn on or keeps shutting off
  • Refrigerant leak detection and recharge
  • Compressor, capacitor and contactor replacement
  • Thermostat issues and calibration
  • Strange noises or odors from your unit
Schedule AC Repair Consultation
❄️
AC Repair
Same-Day Service Available
All Brands Fast Response Guaranteed Work
AC Installation

New AC System Installed Right the First Time

The right AC system for your home depends on square footage, insulation, ductwork and your budget. We help you choose the right unit — not the most expensive one.

As Lennox Certified technicians and authorized dealers, we install premium systems that last. Every installation includes a load calculation to ensure proper sizing.

  • Free in-home assessment and load calculation
  • Lennox, Goodman, Carrier and all brands available
  • Central AC, ductless mini-splits and heat pumps
  • Ductwork inspection and repair included
  • Manufacturer warranty plus our labor guarantee
  • Financing options available
Get a Free Consultation
🏠
AC Installation
Lennox Certified Technicians
Lennox Goodman All Brands
Heating Systems

Stay Warm When LA Winters Get Cold

LA winters may be mild, but when temperatures drop — especially in the Valley — a working heater matters. CoolAir HQ services, repairs and installs all types of heating systems.

From gas furnaces to heat pumps, we make sure your heating system is ready before the cold hits.

  • Gas furnace repair and installation
  • Heat pump systems — cooling and heating in one
  • Thermostat replacement and smart thermostat setup
  • Carbon monoxide and safety checks
  • Annual heating tune-up and inspection
  • All brands: Lennox, Goodman, Carrier, Rheem and more
Schedule Heating Consultation
🔥
Heating Systems
Furnaces · Heat Pumps · More
Gas Furnace Heat Pump All Brands
Indoor Air Quality

The Air Inside Your Home May Be More Polluted Than Outside

Studies show indoor air can be 2–5x more polluted than outdoor air. Dust, allergens, mold spores and bacteria circulate through your HVAC system every time it runs.

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Air Purifiers

Whole-home air purifiers remove up to 99.97% of airborne particles including dust, pollen, mold spores, bacteria and viruses.

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UV Light Systems

UV germicidal lights kill bacteria, mold and viruses before they circulate through your home. Particularly effective in humid climates.

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Humidifiers & Dehumidifiers

Whole-home humidity control automatically maintains the ideal level — preventing dry air irritation and mold growth.

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Advanced Filtration

MERV 13+ filtration catches particles that standard filters miss without restricting airflow or stressing your equipment.

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Duct Cleaning

Professional duct cleaning removes years of dust and debris buildup for dramatically cleaner air throughout your home.

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Air Quality Testing

We test for common pollutants, allergens and humidity levels then recommend the right solution for your specific situation.

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Maintenance Plans

Protect Your Investment. Prevent Costly Breakdowns.

Regular HVAC maintenance extends system life by 5–10 years and prevents 80% of breakdowns.

Basic

Essential annual service

  • Annual AC tune-up
  • System performance check
  • Safety inspection
  • Priority scheduling
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Complete

Full year-round coverage

  • Spring AC tune-up
  • Fall heating tune-up
  • Priority emergency service
  • 10% discount on repairs
  • Free second opinion anytime
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Premium

Full protection + IAQ

  • Everything in Complete
  • Annual duct inspection
  • IAQ system maintenance
  • 15% discount on repairs
  • Same-day priority service
Get Started

Ready to Schedule Service?

Call us now or fill out our quick request form — we'll get back to you within the hour during business hours.

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