24/7 Emergency Service

Call (323) 751-3753
CA C-20 Lic. #1093551

Air Conditioning

AC Installation, Replacement & Repair You Can Trust

From a properly planned high-efficiency installation to an urgent system that won't cool, Citywide explains your options clearly and gets your home or business comfortable again.

Professional Cooling Installation & Responsive Service

With more than 15 years of HVAC experience, we install and service all major brands of central air systems, ductless mini-splits, heat pumps, and rooftop units. Installation recommendations begin with your property and comfort needs — never a sales pitch.

When a system is worn out, we walk you through repair versus replacement side by side, including efficiency, expected life and financing, so you can make an informed decision.

Free estimates on qualifying installations & replacements$95 diagnostic on service visits

Open rooftop package unit with dual scroll compressors and refrigerant gauges connected during an AC service call

Cooling System Design

Designed Right. Installed Right.

Every great HVAC installation starts with the right design. Citywide Heating & Cooling evaluates your property, comfort needs, airflow, equipment requirements, and system layout to help create a solution built for reliable performance and efficiency.

  • Proper system sizing
  • Equipment selection
  • Airflow planning
  • Ductwork layout
  • Comfort zoning
  • Efficient system configuration

Air Conditioning Services

AC Installation

  • New central air systems
  • Properly sized equipment
  • Ductwork evaluation
  • High-efficiency options
  • Financing available

AC Replacement

  • Aging system replacement
  • Repair vs. replace guidance
  • Complete system changeouts
  • Warranty options available
  • Free estimates on qualifying jobs

AC Repair

  • Emergency AC service
  • Same-day service when available
  • Refrigerant leak diagnosis
  • Compressor & capacitor repair
  • Thermostat & electrical repairs

Heat Pumps & Mini-Splits

  • Heat pump installation & repair
  • Ductless mini-split installation
  • Room additions & zoning
  • Mini-split repair & replacement
  • All major brands serviced
Suspended air handler installed in an attic with insulated supply duct

Common AC Problems We Fix

  • AC not cooling
  • AC not turning on
  • Weak airflow or warm air
  • Short cycling or constant running
  • Unusual noises, odors or leaks
  • Rising energy bills from an aging system
Outdoor air conditioning condenser unit installed on a base against a home exterior
AC condenser installation
Two Friedrich ductless mini-split outdoor condenser units on timber supports in a workshop with manifold gauges during service
Ductless mini-split service
Commercial HVAC unit and duct trunk installed above an open ceiling in a tenant space
Commercial HVAC build-out

How It Works

Simple, Honest Service From Start to Finish

  1. 01

    Call Citywide

    Tell us what you're experiencing and we'll schedule your service appointment.

  2. 02

    We Inspect the System

    An experienced HVAC professional diagnoses the problem and evaluates your system.

  3. 03

    Get Clear Options

    We'll explain what we found and walk you through the available repair or replacement options.

  4. 04

    Approve the Work

    You decide how you'd like to move forward without unnecessary pressure.

  5. 05

    We Restore Your Comfort

    Our team completes the work professionally and makes sure your system is operating properly.

Planning an Installation or Need Service Now?

Professional installation, honest diagnoses, fast response, and quality workmanship across Los Angeles County and the Inland Empire.

24/7 Emergency Service Financing Available C-20 Lic. #1093551

Call Now Schedule Service