Air Conditioning

Close up of an outdoor HVAC unit.

DS Heating and Air is your #1 HVAC contractor in Lancaster, CA and the surrounding communities. We are the leading company for all of your air conditioning needs. If you need repairs, maintenance, or a brand new system installed, the technicians at DS Heating and Air are the qualified and professional crew for the job.

We provide the highest quality service for your air conditioner. We also aim to educate and inform our customers. Informed decisions are good decisions. We want you to feel confident we are qualified to perform the service for which you are hiring us.

Air Conditioning Basics

The four main components to your air conditioner are:

Condenser: The condenser is the outside metal unit and where the gas from the compressor is condensed into a liquid. The gas entering the condenser is very hot. The temperature is then lowered, so the gas can convert back to a liquid.

Compressor: The compressor is inside the condenser. It circulates the pressurized refrigerant, to concentrate the heat, and changes the low pressure gas to high pressure.

Evaporator: The evaporator is the part of the system inside the home. In simple language, it absorbs the heat from your home.

Expansion Valve: The expansion valve controls the amount of refrigerant in your system.

All of these pieces are connected by a copper tube that handles refrigerant, creating a closed loop. Heat is collected in the evaporator, sent outside to the condenser. The heat is removed, and the cool air is recirculated back into your home.

AC Facts

An Air Conditioner Doesn’t Create Cool Air.
What happens in the AC process is actually the removal of heat from the air. Your AC uses a chemical called refrigerant to remove heat and transfer it outside. The warm air runs through the lines and coils in your unit and goes from liquid to gas and back again. During this process, the refrigerant removes the heat and transfers it elsewhere so that when the air comes out the other side, it is cool.

Your AC Will Remove Humidity.
Lower humidity helps the overall comfort level in your home by making you feel cooler, even if the temperature is the same.

Your Air Filter Needs To Be Checked And Replaced Every Three To Six Months.
(depending on the manufacturer’s recommendations)
A dirty air filter restricts your air flow, which reduces efficiency, costing you money, and over time can put stress on your unit and could cause a costly repair.

Maintenance, Maintenance, Maintenance.
Your air conditioner needs regular checkups to keep it running in tip-top shape. Having regular annual preventative maintenance will bring your system longer life and fewer breakdowns over all.

SEER
The Seasonal Energy Efficiency Ratio (SEER) measures air conditioning and heat pump cooling efficiency, which is calculated by the cooling output for a typical cooling season divided by the total electric energy input during the same time frame. A higher SEER rating means greater energy efficiency.

At DS Heating and Air, we provide all the services you need to keep your AC running in top-notch shape. Call us at 661-231-8118 for repairs, maintenance, or new-system installation.

Need Air Conditioner Service?

Contact the experts at DS Heating and Air.

Call us at 661-231-8118!

DS Heating and Air were great!

DS Heating and Air were great! This property has an older AC unit and Kenneth, the on site tech, was able to trouble shoot and get the AC back up and going. Stacy in the office was also really helpful at coordinating the project. I have used them on other projects and will continue to keep using them! Thanks so much guys! Bridget E

Thanks, Bob for handling us and making sure we stay cool all these years!

Bob from DS Heating and Air has been servicing our AC units at Pacific Shore Holdings, Inc. for the last 10 years. His superior knowledge and expertise has helped fix many issues with our old units and if it’s not something he could fix he is very fast at getting the part to complete the job! Our company has seven 5-ton units and two 7.5 ton units, Bob has been the only one we trust to service them properly and keep them running during these high summer months. Thanks, Bob for handling us and making sure we stay cool all these years!

Corbin W

We have used for over 20 years

Very reliable and efficient. We are very lucky to have DS Heating and Air take care of our air conditioning and heating needs. A family run business that we have used for over 20 years.

Hideko H

I would HIGHLY recommend this company

My a/c went out about 3am in Jun when it was very hot. I called Stacy and she managed to work us into their schedule that morning with Kenneth F. Kenneth is highly ethical, meticulous, professional, methodical, thorough and efficient. Undaunted by not readily identifying the problem, he went through the entire system until he finally discovered the cause. Both the company and Kenneth were sensitive to my families needs and Kenneth was truly sincere in his compassion and empathy for my disabled daughter and 95 year old wheelchair bound father, making them feel very comfortable with him. Kenneth was able to get our system up and running and suggested Scott L. their Comfort Advisor come to review our HVAC system. We will be scheduling with DS in the future for all new duct work installation throughout the house. I would HIGHLY recommend this company.

Frage E

We have to say this is one of the best top-notch companies out there

If you are looking for a reliable air conditioning & heating company, this is who you want to choose. We contacted DS Heating & Air and spoke with the owner, Dylan. He said he would have someone come out to see what was going on. Soon after, we were in touch with Scott.
Scott came out to look at what was going on with our old system. He was very professional and knowledgeable. He provided us with a couple of options so that we could pick what would work for our needs. Scott explained exactly how the new system would work, the installation process, the warranties, financing, etc. We appreciated that he took his time and explained everything with great detail. He even kept in constant contact with us throughout the installation and even afterwards to see how we liked our new system.
The technicians (David, Luis, Robert & Shaun) that came out to do the installation were on time, efficient and very professional. These guys were really hard workers! Once the system was installed, they made sure we understood how to use the system and that all our questions were answered. When they left, you never knew they were there (other than seeing the brand new a/c). They left everything immaculate!
Over the years, we’ve had a few contractors come and do work for us. We think that family-owned & operated companies such as DS Heating & Air always have better customer relations. We have to say this is one of the best top notch companies out there. I would definitely recommend them. Thank you guys!

Lisa A


DS Heating and Air proudly provides HVAC service to Aqua Dulce, Cal City, Lancaster, Llano, Palmdale, Rosemond, Santa Clarita, Tehachapi, and the surrounding communities. Visit our service area page for more coverage details, call us at 661-231-8118, or request service online today.