About Third Generation Heating and Air Conditioning

As a family owned and operated HVAC company we provide 24/7 residential and commercial air conditioning repair, installation and maintenance service to all Temecula, Murrieta, Lake Elsinore, Menifee, Sun City, Canyon Lake, Wildomar, Hemet and Perris with no overtime or weekend charges. It is our goal to provide the highest quality in service at an affordable price. Our highly experienced and qualified staff specializes in customer service. We offer personal service at the highest level. All our service technicians are fully qualified and highly trained. Our service trucks are fully stocked and radio dispatched for rapid response. Our fleet of service vehicles offers you reliable, same day and 24 hour emergency call service.


Residential HVAC Services

Residential HVAC Services

The big retailers tend to sub out work, cannot control their labor and are inconsistent on their pricing. Other service companies don’t provide consumer safety and quality home care, most are not insured and sometimes are not even licensed! Third Generation Heating & Air Conditioning has set a new standard for Service Excellence. We fix your air conditioning problem on time with courtesy and competency.

Commercial HVAC Service

Commercial HVAC Service

Our Commercial HVAC service team offers same day service and repairs, assessments and service on all brands, makes and models of HVAC equipment. The service technicians stay current on new technology and repair techniques through our company sponsored education and training, allowing them to provide you with accurate diagnostics and efficient repairs.

Duct Cleaning

Duct Cleaning

The air ducts that wind their way through your house are kept largely out of sight. They exist in the spaces between walls and below the floor and silently help your home heating and air conditioning systems keep your home comfortable year–round. The condition of your air ducts can have a huge impact on your comfort, health and overall indoor air quality.

Reviews From Web

Partners LocalYelp Reviews
4 Stars - Based on 31 User Reviews
Natalie L.Natalie L.

We love third generation heating and air conditioning!
We have used them multiple times and highly recommend them. They are reliable, professional and get... Read More

K W.K W.

We had an A/C condensation plate that leaked through our ceiling and all over the house. We tried to go through another company our home warranty company... Read More


Get Directions
27315 Jefferson Ave
Suite J125
Temecula, CA 92950


Mon12:00 AM-11:30 PM
Tue12:00 AM-11:30 PM
Wed12:00 AM-11:30 PM
Thu12:00 AM-11:30 PM
Fri12:00 AM-11:30 PM
Sat12:00 AM-11:30 PM
Sun12:00 AM-11:30 PM


Payment Methods