Company History

ACR Energy Systems, Inc. is a full-service residential heating and air conditioning company specializing in sales, service and installation of HVAC units in Orange County. Click here to view the list of HVAC services we offer.

Our residential HVAC business has operated in Lake Forest since 1991, focusing on reducing our home owner’s heating and air costs by increasing their equipment’s efficiency. Heating and cooling systems require more energy than any other home appliance, which is why it is important to use a HVAC TECH you can trust and engage in preventative maintenance. Learn about choosing a TECH on our Customer Service page.

Remember that your home’s heating and air conditioning preventative maintenance will protect you from unexpected and costly failures while the right system can greatly reduce your home’s energy bills. Whether it is for routine HVAC maintenance or an emergency repair, you can count on ACR Energy Systems, Inc. in Lake Forest. Schedule an appointment with us at your convenience.



• HVAC technicians
• Licensed, bonded & insured
CA LIC # 978453-C20-C38
• Trained and certified
• Use only high quality parts
• Guaranteed work


• Manufacturer warranties
• 24/7 emergency repair
• Free installation estimates
• Rebates, incentives, financing
• Latest troubleshooting and repair technology


• Clear pricing
• Quick response time
• Accurate diagnosis
• Accommodating appointment times
• On time for appointments

Our residential HVAC technicians are licensed, bonded & insured under CA LIC# 978453-C20-C38. Each of our residential technicians is fully trained and certified providing you with an accurate diagnosis as relates to your home’s heating and air conditioning needs. ACR Energy Systems, Inc. uses only high quality parts in any repairs or additions related to the heating or air conditioning needs you may have in your home. Our work is fully guaranteed, along with accompanying manufacturer warranties.

At ACR Energy Systems, we provide free installation estimates for your residential needs. Our pricing is made very clear so that you do not have any doubts as to the work that is being done at your home by our ACR Energy Systems, Inc. technicians. Our HVAC technicians receive up-to-date training on the latest troubleshooting and repair technology available to further take care of your residential HVAC needs.

We at ACR Energy Systems, Inc., pass on to you as the home owner any available manufacturer rebates or incentives. We also provide financing to qualified home owners. At ACR we provide 24/7 emergency repairs for all residential HVAC problems.

If you would like to schedule an appointment,we are very flexible in order to accommodate your time frame. We at ACR Energy Systems, Inc., will be on time for every scheduled appointment that you make with us.

HOURS
Monday: 7:00AM - 4:00PM
Tuesday: 7:00AM - 4:00PM
Wednesday: 7:00AM - 4:00PM
Thursday: 7:00AM - 4:00PM
Friday: 7:00AM - 4:00PM
Saturday: On Call
Sunday: On Call

Commercial Services Available 24/7