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 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.
Wyatt C.

Wyatt C.

Today we are preforming a AC installation with a brand new TempStar 2.5 Ton 14 seer Condenser in Livermore CA. Can’t wait for these clients to experience complete comfort!

Near Los Alamos Ave, Livermore, CA 94550
Livermore, CA - Today we are preforming a AC installation with a brand new TempStar 2.5 Ton 14 seer Condenser in Livermore CA. Can’t wait for these clients to experience complete comfort!
Tyler B.

Tyler B.

Tune up. Need to have annual maintenance so that we can prevent issues like this from happening.

Near Heligan Ln, Livermore, CA 94551
Livermore, CA - Tune up. Need to have annual maintenance so that we can prevent issues like this from happening.
Brittany B.

Brittany B.

Performing precision tune up service on 1996 Payne Condenser. System is running but not cooling properly. Diagnosed low refrigerant and possibly failing metering device which is not allowing the refrigerant to move properly at this time. Added 2 lbs of R22 refrigerant to Balance, system is cooling but still showing signs that the metering device is sticking. Made recommendations for further repairs and went over options for replacement.

Near Frederick Michael Way, Livermore, CA 94550
Livermore, CA - Performing precision tune up service on 1996 Payne Condenser. System is running but not cooling properly. Diagnosed low refrigerant and possibly failing metering device which is not allowing the refrigerant to move properly at this time. Added 2 lbs of R22 refrigerant to Balance, system is cooling but still showing signs that the metering device is sticking. Made recommendations for further repairs and went over options for replacement.
Lucas G.

Lucas G.

Performed air conditioner tune up on a 4 year old Carrier. System had no issues other than being over charged. Balanced to the appropriate levels, increasing efficiency. Performed duct inspection and found that the one vent needed to be repaired.

Near Bethal Pl, Livermore, CA 94551