A&G Air Conditioning Services

Upgrading your air conditioner is a big decision. At A&G Air Conditioning Services, we make it simple and stress-free for homeowners and businesses in Rancho Cucamonga. Our certified technicians assess your space, cooling needs, and budget to recommend the perfect system—whether a high-efficiency central AC or a ductless mini-split. We handle all permits, old unit disposal, and post-installation testing to ensure your new equipment runs at peak performance for years. As a Bryant Dealer, we offer...

A broken furnace is more than an inconvenience—it can be a safety risk. That is why A&G Air Conditioning Services offers fast, reliable heating repair and preventive maintenance across Rancho Cucamonga. Our technicians diagnose issues like odd noises, short cycling, or uneven heat, and they carry common replacement parts to fix most problems in one visit. We also provide comprehensive tune-ups that include cleaning burners, testing carbon monoxide levels, checking heat exchangers, and lubricatin...

Your HVAC system does more than change temperature—it affects the air you breathe every day. A&G Air Conditioning Services helps Rancho Cucamonga families breathe easier with whole-home air purification, advanced filtration, humidifiers, and zoning systems. We install high-efficiency media filters that trap pollen, dust, and pet dander, and we offer UV germicidal lights to neutralize mold and bacteria. For dry desert air, whole-house humidifiers add comfort and protect wood furniture. Zoning sys...

We handle heating and cooling work from start to finish for homes and businesses in Rancho Cucamonga. That covers diagnosing a problem, recommending the right equipment, installing it, and keeping it running after the job is done. Our technicians are certified and show up on time, keep your space clean, and explain what they are doing in plain terms. We are a Bryant dealer, but we service all makes and models, so you do not have to replace a working system just to get help. If you are not sure w...

When your air conditioner stops cooling, sounds wrong, or cycles on and off, we can usually find the cause and get it running again. Our technicians test the refrigerant, electrical components, airflow, and thermostat controls to pinpoint the problem rather than guessing. We work on all major brands and carry common replacement parts, so many repairs are finished in a single visit. You will get a clear explanation of what failed, what it takes to fix, and what your options are before any work be...

Installing a new heating system is a significant decision, and we aim to make it straightforward. We help you choose between options such as a gas furnace, heat pump, or electric system based on your home or building, your comfort goals, and your budget. Our team takes care of sizing, permits, removal of the old equipment, and final testing so the new system performs as expected. Financing is available if you want to spread out the cost. We work cleanly and leave the space tidy, and we are happy...

Regular air conditioning service keeps your system efficient, quiet, and dependable, especially through the long, warm months in Rancho Cucamonga. During a visit we inspect and clean key components, check refrigerant levels, test electrical connections, and look for early signs of wear. Catching small issues now often prevents expensive breakdowns later. We service all makes and models and can set up an annual service agreement so your system is looked after on a schedule. Each visit ends with a...

A furnace that quits in the middle of a cold night is more than uncomfortable, and it can pose a safety risk. We respond to urgent heating calls and work to restore heat as quickly as possible. Our technicians troubleshoot ignition problems, weak airflow, strange noises, and carbon monoxide concerns, and they carry common parts to fix many issues on the first visit. We will tell you plainly whether a repair makes sense or whether replacement is the safer long-term choice. If you smell gas or sus...

Ductless mini-split systems are a good fit for rooms or additions that are hard to reach with traditional ductwork. We assess your layout, decide where the indoor units and outdoor unit should go, and plan the lines so the system runs efficiently and looks clean on your walls. Our crew handles mounting, refrigerant connections, electrical work, and testing, then walks you through the controls. Zoned operation lets each room be set to its own temperature, which can make a real difference in comfo...

An AC tune-up is a thorough checkup designed to help your system cool well and avoid breakdowns during peak season. We clean the coils, check and clear the condensate drain, inspect the blower and fan motors, measure refrigerant and airflow, and confirm the thermostat is working correctly. Moving parts get lubricated where needed, and we look for loose wiring or worn components. Most homeowners schedule a tune-up each spring before the hot weather arrives. When we finish, you will know the condi...

Businesses in Rancho Cucamonga depend on their heating and cooling to keep customers and staff comfortable, so we offer maintenance built around your operating schedule. We inspect rooftop and split systems, clean or replace filters, check controls, verify airflow and temperature performance, and address small issues before they interrupt your day. Scheduled visits can be arranged to fit around business hours to limit disruption. We service all major brands and can document each visit so you hav...