Our Services

Residential Commercial Cooling Heating

HVAC System Installation and Replacement

At Kemnitz, we have been replacing and installing HVAC units across Orange Country and the surrounding areas with all the care and skill you would expect from a family owned and operated company, since 1986. Our 30 years of experience allows us to handle any installation and get the job done quickly, professionally, and with the personalized care you expect, so that you can get back to enjoying your home.    

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Orange County Carrier Factory Authorized Dealer

At Kemnitz, we are proud to be a Carrier Factory Authorized Dealer. Our relationship with Carrier affords us the opportunity to give our customers exclusive deals on parts, service and repair. We are also the proud recipient of the distinguished Carrier Presidents Award. To win this award our technicians must consistently take part in training on the latest technologies and best HVAC practices, and be proven to put customer needs first. At Kemnitz, we pride ourselves on being the best Carrier dealer around.

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Indoor Air Quality Testing and Improvement

We usually think of pollution as being an outdoor-only issue but it can be inside our homes and businesses, too. Particulate matter, mold, allergens, and more can all be present in the air within your home or office. At Kemnitz we value the health and safety of our customers and we have the experience you trust to both test for and deal with indoor air pollution through a variety of equipment and means to keep your air clean and comfortable.      

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Kemnitz Office
Kemnitz has been unrivaled in providing the best HVAC service to Orange County homes and businesses, and the surrounding areas, since 1986. Whether you need a simple checkup, or a whole new HVAC system, the Kemnitz way of seeing each and every customer for the unique and valued individuals and businesses they are shows in all of our work and the relationships we have with our customers. Being family owned and operated means our staff and our NATE (North American Technician Excellence) certified technicians will treat you and your home just as we would with our own friends and family. We have a vast array of Carrier products and can customize an HVAC build to suit your exact needs; from heat pumps, furnaces, boilers, to creating a custom ductless, multizone setup just for you. Whatever your needs, we will find the best options for your unique needs!

Commercial HVAC Service, Repair, Maintenance and Installation

At Kemnitz, we do it all. Not only is our service the best residential HVAC care you can find – our commercial HVAC Services are no different. Just as with our residential customers, we are capable of servicing all makes and models of commercial-grade HVAC equipment, program zone controls, troubleshoot and replace electrical and mechanical equipment, and scheduled preventative maintenance. Our NATE certified technicians will service your HVAC equipment with the all agency and skill you would expect from world-class service.
Schedule Commercial HVAC Services

Commercial Heating and Air


Server Room Cooling and Air Conditioning

Your sales are hot – but your server room shouldn’t be. At Kemnitz we make sure your servers run icy cool under even the heaviest traffic and strain. Our experience in environment cooling allows us to design and implement the most efficient and effective HVAC equipment and cooling strategies for server rooms that you will find anywhere.

We’ll Help to Protect Your Computers, Servers and Data

With Unique and Innovative Cooling Options
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HVAC Tune-ups and Service

Just like your car, your HVAC system needs regular tune-ups and service to make sure that it continues to run smoothly and reliably for years to come. With over 30 years of experience servicing and repairing all makes and models of HVAC equipment, Kemnitz can keep you comfortable year round and our NATE certified technicians will help to spot any issues before they occur.

HVAC Repair

Air Conditioning and Heating Maintenance

HVAC Maintenance Agreements

Our maintenance agreements allow you to never have to worry about your HVAC system. By scheduling routine maintenance and cleaning our maintenance agreement keeps your system running reliably at peak efficiency – saving you money on your monthly electric and gas bills. From coil cleanings to repairs to testing the system’s operation thoroughly, our technicians will keep your system in top shape and you keep you from having to worry about it.

Contact us now for services, or to speak with one of our friendly HVAC experts.

Financing Options

Testimonials from our customers and neighbors

Kemnitz Air Conditioning & Heating Inc. is committed to providing you with the greatest service in Orange Country and the surrounding areas.

To read more from our customers, follow the link here.

Our Testimonials

Latest Blogs

See our latest updates and posts.

Is Centralized Commercial HVAC Better Than a Zoned System?

When evaluating the best HVAC solutions for commercial spaces, building operators and owners often find themselves choosing between centralized HVAC systems and zoned HVAC systems. This decision requires careful consideration of the benefits and drawbacks associated with each system type. In today’s post, Kemnitz Air Conditioning & Heating Inc. shares a comprehensive comparison to aid in making …

Spring Thermostat Tips: Finding the Perfect Comfort Level

Spring brings a mix of warm sunny days, cool evenings and the occasional unexpected shift in temperature — factors that make finding the ideal thermostat setting a bit of a challenge. As we transition from the cooler days of winter to the gradually warming spring, it becomes crucial to adjust our home’s temperature settings for …