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This business is not BBB accredited.

Service Star

Additional Locations

Phone: (209) 858-9660 Fax: (209) 858-5320 View Additional Phone Numbers 3996 Yosemite Ave, Lathrop, CA 95330 http://www.servicestarinc.net ! There is an alert on Service Star !

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BBB Accreditation

This business is not BBB accredited.

Businesses are under no obligation to seek BBB accreditation, and some businesses are not accredited because they have not sought BBB accreditation.

To be accredited by BBB, a business must apply for accreditation and BBB must determine that the business meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses must pay a fee for accreditation review/monitoring and for support of BBB services to the public.

Reason for Rating

BBB rating is based on 13 factors. Get the details about the factors considered.

Based on BBB files, this business has a BBB Rating of No Rating. The reason is as follows:

  • This business has no rating because it is out of business.

Customer Complaints Summary Read complaint details

13 complaints closed with BBB in last 3 years | 4 closed in last 12 months
Complaint Type Total Closed Complaints
Advertising/Sales Issues 2
Billing/Collection Issues 1
Delivery Issues 0
Guarantee/Warranty Issues 1
Problems with Product/Service 9
Total Closed Complaints 13

Additional Complaint Information

BBB files indicate that this business has a pattern of complaints alleging that the company is up-selling to new units without proper diagnosis, misdiagnosing the issues, and that second opinions obtained differ greatly from Service Star. Complainants allege that Service Star technicians indicate that their units are bad or require cost-prohibitive replacement of parts. As a result, the company recommends that the customer replace the entire unit. In some cases the units are disassembled to avoid carbon monoxide poisoning. According to complainants, they obtain second opinions that substantially differ from those of Service Star technicians. In most cases, these customers state that their units are not defective and that they only have minor issues. In all cases, the complainants allege that they do not need to purchase a replacement unit after they obtain the second opinion. A few customers suggest that the company did not test their units for the initial problems they had reported. 

The company responds to complaints by trying to explain their position and rectify the issue.

BBB wrote the business on March 27, 2014, requesting that the company provide to us steps that it is taking to eliminate the underlying cause of complaints, if any. 

On April 30, 2014, the company responded to our request indicating that if units have not been maintained properly or are 9+ years old, they suggest that it is more cost-effective to replace the defective unit as it would outweigh the cost to repair. Furthermore, the company states that in order to keep their customers free from harm and prevent liability to the technician they turn the gas off to the unit as required by law. Regarding third party contractors disputing their diagnosis, Service Star states that while those contractors often perform less expensive repairs, the units will continue to break down and/or require further maintenance. Service Star states that they tell their customers that it’s better to invest their hard earned money in equipment that’s going to last.

Customer Reviews Summary Read customer reviews

2 Customer Reviews on Service Star
Customer Experience Total Customer Reviews
Positive Experience 2
Neutral Experience 0
Negative Experience 0
Total Customer Reviews 2

Additional Information

BBB file opened: December 19, 2003 Business started: 04/19/1974 in CA Business incorporated 08/02/2006 in CA
Licensing, Bonding or Registration

This business is in an industry that may require professional licensing, bonding or registration. BBB encourages you to check with the appropriate agency to be certain any requirements are currently being met.

These agencies may include:

Contractor's State License Board
9821 Business Park Drive, Sacramento CA 95827
Phone Number: (800) 321-2752
The number is 00293114. On 12/7/2015 BBB confirmed that the license from Contractor's State License Board expired. On 12/7/2015 BBB confirmed that Service Star had not obtained a necessary license from Contractor's State License Board.

Type of Entity


Business Management
Mr. Frank Konrath, Owner
Contact Information
Principal: Mr. Frank Konrath, Owner
Business Category

Air conditioning & Heating Contractors - Residential Air conditioning & Heating Contractors - Commercial Air Conditioning Repair Air Conditioning Contractors & Systems Heating & Air Conditioning

Products & Services

Service Star offers the following product(s): Company offers general construction services.

Method(s) of Payment
Cash, Check, Credit Card 
Alternate Business Names
Service Star, Inc.
Products & Services

This contractor provides heating & AC.

Industry Tips
Hiring a Contractor in California: Essential Tips Stay Informed to Keep Cool: Tips for Hiring an HVAC Service

BBB Customer Review Rating plus BBB Rating Overview

BBB Customer Reviews Rating represents the customers opinions of the business. The Customer Review Rating is based on the number of positive, neutral and negative customer reviews posted that are calculated to produce a score.

Customer Review Experience Value
Positive Review 5 points per review
Neutral Review 3 points per review
Negative Review 1 point per review

BBB letter grades represent the BBB's opinion of the business. The BBB grade is based on BBB file information about the business. In some cases, a business' grade may be lowered if the BBB does not have sufficient information about the business despite BBB requests for that information from the business.

BBB Letter Grade Scale

BBB Rating Value
A+ 5
A 4.66
A- 4.33
B+ 4
B 3.66
B- 3.33
C+ 3
C 2.66
C- 2.33
D+ 2
D 1.66
D- 1.33
F 1
NR -----
Star Rating scale

  Average Score
5 stars 5.00
4.5 stars 4.50-4.99
4 stars 4.00-4.49
3.5 stars 3.50-3.99
3 stars 3.00-3.49
2.5 stars 2.50-2.99
2 stars 2.00-2.49
1.5 stars 1.50-1.99
1 star 0-1.49

BBB Customer Review Rating plus BBB Rating is not a guarantee of a business' reliability or performance, and BBB recommends that consumers consider a business' BBB Rating and Customer Review Rating in addition to all other available information about the business. If the BBB Rating is NR then only Customer Reviews are used for the Star Rating.