A1 Certified Environmental

About us

-SERVICING ALL NORTHERN/SOUTHERN CA- *A-1 Environmental Services Provides: *Commercial & Residential Mold Testing *Formaldehyde Testing* *VOC Detection* (Commercial & Residential) *Meth, Cigarette and Tobacco Residue Testing and Detection*Sampling, Water Sampling for Total Coliform, Sick Building Syndrome *Thermal Imaging Inspections* *Moisture Evaluation* *Air Scrubbers For Rent* *Hydroxyl Generator For Rent*. Indoor Air Quality testing; Commercial & Residential Air Quality Testing. We have 27 years of experience in the construction industry.

Business highlights

22 years of trusted experience


Accepted payment methods

CreditCard

Reviews

4.8388 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
77%
4
9%
3
2%
2
0%
1
1%


Rating CategoryRating out of 5
quality
4.8
value
4.6
responsiveness
4.8
Showing 326-350 of 388 reviews

TRI H.
07/2009
5.0
very good. Carl went above and beyond to get our report, pictures, and license done for us.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

ben d.
03/2009
5.0
They were on time witch was great because I hate waiting around. They were very well dressed, well mannered, and very informative. Told me I could get my results in 2-4 business days which is amazing, and they had better pricing then the other 4 companies I had to choose from. I will recommend them to all of my friends and family. Thanks Carl and keep up the great work!

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Cassandra C.
12/2008
N/A
I was completely happy with the quick response and professional results of my air duct cleaning.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Bernard Y.
11/2008
5.0
It was excellent. They were polite, professional, informative and very hard working. However, until the mechanical contractor goes back to fire up the furnace, which will not be until the registers (on back order) are installed, I cannot comment on their competence. Although at this point I would assume that the work will be satisfactory. And they did tell me to call them if I experienced any problems.

Rating CategoryRating out of 5
value
5.0
responsiveness
5.0

Yes, I recommend this pro

kirti k.
11/2008
5.0
They showed up on time, did an excellent job and were very competent. I would highly recommend them.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

susan l.
11/2008
5.0
very professional and personal.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Susan E.
10/2008
5.0
Keenan and Alex did a wonderful job. They showed up on time and were very professional. I liked how they explained the air duct cleaning process to me. They were polite and cleaned up after themselves.

Rating CategoryRating out of 5
quality
5.0
value
4.5
responsiveness
5.0

Yes, I recommend this pro

jennifer B.
09/2008
5.0
Carl was on time, courteous and very polite. He cleaned my dryer duct efficiently and made sure that my dryer was working properly before he left. He was very personable and professional and I would recommend him to anyone that needed to have vent work done. Thank you for connecting us with him.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Suzie B.
06/2008
5.0
I used to have to dust every other day, but not any more. I couldn't believe how dirty my air ducts were. Carl is friendly, professional and explains everything he does. He is very knowledgeable about his business. I highly recommend this company for both service and quality.

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro

James B.
05/2008
4.0
Friendly and professional.

Rating CategoryRating out of 5
quality
4.0
value
4.0
responsiveness
4.0

Yes, I recommend this pro

shikha d.
04/2008
5.0
They advised what all to clean and also returned the next day when the furnace was not working and switched it on!

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro

Marcia R.
03/2008
5.0
Carl was extremely meticulous, thorough and professional. He explained what services he provided and made recommendations of other professionals should we need additional work done relating to mold removal in our home. He cautioned about selecting reputable mold remediation professionals since this field can generate unscrupulous technicians who may not complete the job correctly, subjecting our home to further contamination.

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro

Eric C.
01/2008
5.0
Great service. very friendly. More expensive than alternatives out there, but these guys really care about doing a good job and getting it right. They won't try to sell you services you don't need, but at the same time, will make sure your ducts are cleaned the right way and the air tests are accurate.

Rating CategoryRating out of 5
quality
5.0
value
4.0
responsiveness
5.0

Yes, I recommend this pro

Contact information

1019 Divisadero Street, San Francisco, CA 94115

www.a-1certifiedenvironmentalservices.com

Service hours

Monday:
8:00 AM - 8:00 PM
Tuesday:
8:00 AM - 8:00 PM
Wednesday:
8:00 AM - 8:00 PM
Thursday:
8:00 AM - 8:00 PM
Friday:
8:00 AM - 8:00 PM
Saturday:
8:00 AM - 8:00 PM
Sunday:
8:00 AM - 8:00 PM

Service Categories


FAQ

Monday: 8:00 AM - 8:00 PM

Tuesday: 8:00 AM - 8:00 PM

Wednesday: 8:00 AM - 8:00 PM

Thursday: 8:00 AM - 8:00 PM

Friday: 8:00 AM - 8:00 PM

Saturday: 8:00 AM - 8:00 PM

Sunday: 8:00 AM - 8:00 PM

A1 Certified Environmental accepts the following forms of payment: CreditCard
No, A1 Certified Environmental does not offer free project estimates.
No, A1 Certified Environmental does not offer eco-friendly accreditations.
No, A1 Certified Environmental does not offer a senior discount.
No, A1 Certified Environmental does not offer emergency services.
No, A1 Certified Environmental does not offer warranties.

Contact information

1019 Divisadero Street, San Francisco, CA 94115

www.a-1certifiedenvironmentalservices.com

Service hours

Monday:
8:00 AM - 8:00 PM
Tuesday:
8:00 AM - 8:00 PM
Wednesday:
8:00 AM - 8:00 PM
Thursday:
8:00 AM - 8:00 PM
Friday:
8:00 AM - 8:00 PM
Saturday:
8:00 AM - 8:00 PM
Sunday:
8:00 AM - 8:00 PM