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Top Rated Merchant

7 Days a Week Smog is a top merchant due to its average rating of 4.5 stars or higher based on a minimum of 400 ratings.

7 Days a Week Smog

2234 San Pablo Ave., Berkeley

Up to 63% Off on Inspection Sticker/Emission Test at 7 Days a Week Smog

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Extra 25% off, up to $50
Promo Code SAVE. Ends 6/25.
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Highlights

Experienced and courteous techs perform official smog checks on vehicles of all kinds

Customer Reviews

100% Verified Reviews
All reviews are from people who have redeemed deals with this merchant. Review requests are sent by email to customers who purchased the deal.
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L
Laura
1 ratings1 reviews
Rating of 5 out of 5 stars
17 hours ago
Service was excellent. I arrived filled out my paperwork as my car was being tested. I was out and on my way in ten minutes or less. Again my service was excellent and the staff were both professional.
P
Penny
2 ratings3 reviews
Rating of 5 out of 5 stars
4 days ago
The experience was great. The tech was very nice and professional. Went there from a referral and after my visit, I would refer others.
K
Kathlyn
4 ratings4 reviews
Rating of 5 out of 5 stars
4 days ago
Great guy!
D
Daniel
1 ratings1 reviews
Rating of 3 out of 5 stars
6 days ago
Fast & efficient but the merchant didn’t seem to have a good day, quite unfriendly. I got lectured, let him know you have a Groupon first!
M
Maria
27 ratings17 reviews
Rating of 5 out of 5 stars
June 18, 2022
Efficient and friendly. Would recommend to friends.
F
Fran
2 ratings2 reviews
Rating of 5 out of 5 stars
June 18, 2022
no wait and nice people.
C
carole
1 ratings1 reviews
Rating of 5 out of 5 stars
June 18, 2022
Smog check completed in minutes by Kevin, who was very professional, friendly and helpful. Nice outdoor waiting area. 5 stars!
N
nic
4 ratings3 reviews
Rating of 5 out of 5 stars
June 16, 2022
Fast and efficient - done in less than 10 mins!
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About This Deal

The Deal

  • $29 for a smog check for one car ($79 value)

Catalytic Converters: Keeping Combustion Clean

Cleaner cars make for cleaner air. Learn how catalytic converters help with Groupon’s guide.

A car’s engine is a dirty place, and it produces even dirtier exhaust. Vapors exit the combustion chamber carrying a nasty trio of smog promoters: nitrogen oxides, hydrocarbons, and carbon monoxide. As these pollutants barrel through the exhaust manifold (the set of tubes that feeds exhaust from each cylinder into the exhaust pipe), there’s only one thing standing between them and the innocent air outside: the three-way catalytic converter.

Situated just before the muffler, the converter is home to honeycombed ceramic cores coated with some combination of platinum, rhodium, and palladium—three rare metals that interact with the main components of the pollutants. When exhaust enters, the metals trigger chemical reactions that heat the gasses and rearrange their molecules. Under their influence, nitrogen oxides splinter into pure oxygen and nitrogen, while hydrocarbons and carbon monoxide are oxidized into less-harmful carbon dioxide and simple water. Since their introduction during the 1975 model year, these unseen cleaners have made air more breathable and much tastier: the EPA estimates that cars built today are 98% cleaner than their counterparts from the 1960s.

Fine Print

Promotional value expires 180 days after purchase. Amount paid never expires. Extra $8.25 fee for California state certification applies. Extra $25 fee per vehicle for 1999 models and older. Not valid for motorhomes, RVs, or buses. Re-tests not included with purchase. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Limit 3 per person. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings

About 7 Days a Week Smog