Frequently Asked Air Conditioning and Heating Questions

Below are answers to many frequently asked questions about common air conditioning and heating issues. If you have any questions, please do not hesitate to call us at (209) 576-0364.


How often should my air conditioning be serviced?

Generally speaking, your system should be fully serviced a minimum of once a year by a professional. Air filters should be inspected monthly and changed or cleaned as needed.

How is a service contract worth my money?

A well-designed service contract will provide the necessary maintenance to keep your system running at peak efficiency.  This includes being able to discover failing parts in need of replacement before they completely break.

Why is my air conditioning blowing warm air, and not cooling?

Although there are many reasons for this, 9 times out of 10 your condenser unit (the large outdoor unit next to your home) is not functioning properly. If you are experiencing this issue, call a professional immediately to avoid damage.

How long can I expect a new system to last?

The average life of a quality air conditioning unit is 20 years.

What does it mean when my air conditioner freezes up? What do I do?

There are many reasons why this could happen, so the best solution is to call a professional expert to assess the situation and repair the problem.

Should I be concerned about Indoor Air Quality?

Yes. It is important to your overall health. If you have a qualified HVAC professional assess your air quality, it can help you control allergens and other potentially harmful particles in your indoor in your environment.

My system is costing me a lot in utilities. How do I get a more efficient system?

The best thing to do is call the professionals at C & M Air Conditioning — we’re the efficiency experts and will show you how to get the most out of your air conditioning.

How do I select the right heating and/or cooling system?

We will send a professional technician to your home to assess your comfort needs. We use a proprietary questionnaire to find out exactly what you want from your system, perform a load calculation, and provide you with a written proposal. Personal comfort is highly subjective, so we may need to ask many questions to fully assess your needs.

Water is leaking from my indoor air conditioner. What do I do?

Shut off the air conditioner and call a professional as soon as possible.

Call Us Today

For fast and professional Heating Ventilation or Air Conditioning (HVAC) repair or installation, call C & M Air Conditioning at (209) 576-0364.

Serving Modesto, Manteca, Oakdale, Turlock and all surrounding cities in the Central Valley.

Our reputation was built on providing great customer service in installing and maintaining our clients’ cooling and heating systems.  Our service area also includes:  Ceres, Hughson, Riverbank, Salida, Escalon, Denair, and Waterford.  Your city not mentioned?  Call (209) 576-0364 to verify service location.

C & M Air Conditioning has the Answers

Need answers to common air conditioning and heating questions?  Visit our FAQ page for information or call us at (209) 576-0364.

C&M Air Conditioning Repair and Services

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C & M Air Conditioning

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Serving Modesto and surrounding areas.


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