925-412-3300

Livermore, CA Heating and Air Conditioning

Livermore, CA Heating and Air Conditioning Services

Check out what our customers are saying about Certified Heating and Air Conditioning – Air Conditioning and Heating Services!

Local Reviews
for Livermore, CA

Certified Heating and Air Conditioning Rated 5.0 out of 5 stars based on 6 customer reviews

Map of Livermore, CA 94551

Excellent Job!




Review of Certified Heating and Air Conditioning

Diego and Eric did an excellent job today. They helped me checked the condition of the AC system. There were something unexpected happened, but by they were able to get it quickly fixed. Thanks!

LivermoreCA94551 37.7225-121.7225

Response from Certified Heating and Air Conditioning:

Hi Bob! Thank you for your kind words! We are so glad Diego and Eric provided such great service during your air conditioning maintenance!


Map of Livermore, CA 94551

Excellent service




Review of Certified Heating and Air Conditioning

Great thorough service

LivermoreCA94551 37.7175-121.72

Response from Certified Heating and Air Conditioning:

Hi Nicole. We are happy you were happy with our furnace service and dryer vent cleaning! Thank you for the review. -Certified Customer Care Team


Map of Livermore, CA 94550

Great service




Review of Certified Heating and Air Conditioning

Certified called me to confirm appt and then again to let me know when Brittany would be st my house She was on time, personable and professional

LivermoreCA94550 37.665-121.7725

Map of Livermore, CA 94550

Great Service




Review of Certified Heating and Air Conditioning

Brittany was great, fully explained what she was doing and why, quick/efficient

LivermoreCA94550 37.6625-121.7725

Map of Livermore, CA 94550

Very efficient and thorough




Review of Certified Heating and Air Conditioning

First time we used this company and were very pleased. On time was a big plus. The tech, Brittany, was knowledgeable & explained all she was doing & what may have to be done in the future.

LivermoreCA94550 37.6675-121.7875

Map of Livermore, CA 94551

well educated got it fixed there was no problems




Review of Certified Heating and Air Conditioning

LivermoreCA94551 37.715-121.7275

Diego C.

Diego C.

In Livermore, California performing a furnace maintenance x2 for the Bagade residence!

Near Kensington Common, Livermore, CA 94551
Livermore, CA - In Livermore, California performing a furnace maintenance x2 for the Bagade residence!
Lee J.

Lee J.

Here in the Livermore area performing a balance test on duck work, installing a new kumo cloud and ensuring that airflow was perfect throughout the home

Near Bridgeport Cir, Livermore, CA 94551
Galen  S.

Galen S.

In Livermore, California to walk through our installation process for the new heat pump, ductwork, and insulation we will be installing next week. Looking forward to making their home more efficient, keeping them cool this summer, and saving money on heating during the cold months. Having solar along with their new Mitsubishi heat pump system will make a huge difference in their utilities bill.

Near Bridgeport Cir, Livermore, CA 94551
Galen  S.

Galen S.

In Livermore, California to discuss replacing a central gas furnace and air conditioning system with a high efficiency heat pump system. We also are looking into replacing all of the ductwork and adding insulation as well

Near Bridgeport Cir, Livermore, CA 94551
Livermore, CA - In Livermore, California to discuss replacing a central gas furnace and air conditioning system with a high efficiency heat pump system. We also are looking into replacing all of the ductwork and adding insulation as well
Diego C.

Diego C.

In Livermore this afternoon performing a preventative maintenance for the Gu residence. There 25 year old system is still going strong!

Near Poinsettia Common, Livermore, CA 94551
Livermore, CA - In Livermore this afternoon performing a preventative maintenance for the Gu residence. There 25 year old system is still going strong! Livermore, CA - In Livermore this afternoon performing a preventative maintenance for the Gu residence. There 25 year old system is still going strong!
Jackie G.

Jackie G.

Hello Livermore Ca. Finishing off this evening with an air conditioning maintenance. This is a 2010 Lennox compressor that needed a good cleaning! We tested refrigerant levels and motor amps! Everything is checking out good! Take a look at some pics!

Near Livermore, CA
Livermore, CA - Hello Livermore Ca. Finishing off this evening with an air conditioning maintenance. This is a 2010 Lennox compressor that needed a good cleaning! We tested refrigerant levels and motor amps! Everything is checking out good! Take a look at some pics! Livermore, CA - Hello Livermore Ca. Finishing off this evening with an air conditioning maintenance. This is a 2010 Lennox compressor that needed a good cleaning! We tested refrigerant levels and motor amps! Everything is checking out good! Take a look at some pics!
Diego C.

Diego C.

In Livermore, California performing a furnace maintenance and a/c safety check for the Coghlan residence. There 26 year old system was scheduled for a tune up today to see if we can prolong life of there equipment!

Near Mt Whitney St, Livermore, CA 94551
Livermore, CA - In Livermore, California performing a furnace maintenance and a/c safety check for the Coghlan residence. There 26 year old system was scheduled for a tune up today to see if we can prolong life of there equipment! Livermore, CA - In Livermore, California performing a furnace maintenance and a/c safety check for the Coghlan residence. There 26 year old system was scheduled for a tune up today to see if we can prolong life of there equipment!
Diego C.

Diego C.

In Livermore, California this afternoon performing a a/c maintenance and furnace safety check for the Gorilla residence. The 3 year old system is ready for the summer months when ever it decides to get warm again!

Near Sunnybrook Way, Livermore, CA 94551
Livermore, CA - In Livermore, California this afternoon performing a a/c maintenance and furnace safety check for the Gorilla residence. The 3 year old system is ready for the summer months when ever it decides to get warm again! Livermore, CA - In Livermore, California this afternoon performing a a/c maintenance and furnace safety check for the Gorilla residence. The 3 year old system is ready for the summer months when ever it decides to get warm again!
Jeremiah  S.

Jeremiah S.

I am in the Livermore area today performing a furnace maintenance! This furnace has been running very well and has kept our customer extremely happy! If you are in the area and need our services, never hesitate to contact us! 😊

Near Hattan Dr, Livermore, CA 94551
Livermore, CA - I am in the Livermore area today performing a furnace maintenance! This furnace has been running very well and has kept our customer extremely happy! If you are in the area and need our services, never hesitate to contact us! 😊 Livermore, CA - I am in the Livermore area today performing a furnace maintenance! This furnace has been running very well and has kept our customer extremely happy! If you are in the area and need our services, never hesitate to contact us! 😊
Galen  S.

Galen S.

In Livermore at Mr. Gu’s house to provide an estimate for upgrading his standard single stage equipment to a hybrid dual fuel heat pump system. I explained how the equipment operates and discussed the various options for his house.

Near Poinsettia Common, Livermore, CA 94551
Livermore, CA - In Livermore at Mr. Gu’s house to provide an estimate for upgrading his standard single stage equipment to a hybrid dual fuel heat pump system. I explained how the equipment operates and discussed the various options for his house.