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BBB Accredited Business since

Sinclaire Enterprises Inc.

Phone: (508) 668-8200 Fax: (508) 668-4449 View Additional Phone Numbers PO Box 167, Walpole, MA 02081

BBB Business Reviews may not be reproduced for sales or promotional purposes.


Sinclaire Enterprises Inc. offers heating and air conditioning contracting services. The company also provides heating oil and diesel fuel deliveries. The company provides air duct cleaning services, HVAC decontamination and mold remediation.

BBB Accreditation

A BBB Accredited Business since

BBB has determined that Sinclaire Enterprises Inc. meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses pay a fee for accreditation review/monitoring and for support of BBB services to the public.

BBB accreditation does not mean that the business' products or services have been evaluated or endorsed by BBB, or that BBB has made a determination as to the business' product quality or competency in performing services.

Reason for Rating

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

Factors that raised the rating for Sinclaire Enterprises Inc. include:

  • Length of time business has been operating
  • No complaints filed with BBB

Industry Ratings Comparison | Chart

Customer Complaints Summary

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

Customer Reviews Summary Read customer reviews

0 Customer Reviews on Sinclaire Enterprises Inc.
Customer Experience Total Customer Reviews
Positive Experience 0
Neutral Experience 0
Negative Experience 0
Total Customer Reviews 0

Additional Information

BBB file opened: April 17, 2002 Business started: 01/01/1948 in MA Business incorporated 01/01/1985 in MA
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:

Massachusetts Executive Office of Public Safety and Security
One Ashburton Place, Boston MA 02108
Phone Number: (617) 727-7775 or TTY: (617) 727-6618
Fax Number: 617-727-4764
The number is BU-027654.

Type of Entity


Business Management
Mr. Dennis Sinclaire, Owner
Contact Information
Principal: Mr. Dennis Sinclaire, Owner
Number of Employees


Business Category


Products & Services

Sinclaire Enterprises Inc. sells the following brand(s): Amana, American Standard, Buderus, Burnham, Carrier, Energy Kinetics System 2000, Goodman, Honeywell, IQAir, Lennox, Mitsubishi, Navien, Roth, Sanyo, Thermopride, Trane, Viessmann, Weil McLain, York

Sinclaire Enterprises Inc. offers the following product(s): Air Conditioning systems, Air filters, Boilers, Dehumidifiers, Diesel Fuel, Energy Recovery Ventilators, Furnaces, Geothermal, Heating Oil, Heating systems, Humidifiers, HydroAir, Mini splits, Oil Tanks, Radiant

Method(s) of Payment
Alternate Business Names
Sinclaire Air & Duct Services Sinclaire Oil & Heating, Inc.
Industry Tips
27 Questions For Home Owners Heating Contractor - 5 Tips - Video Heating Contractors Hiring an Air Conditioning Contractor Hiring an Oil Supplier Hiring an Oil Supplier - 5 Tips - Video Read Before You Sign Saving Money on Heating & Cooling
Industry Ratings Comparison Chart X
Same Relative Size   All Businesses
The information in the chart below represents an industry ratings comparison of businesses which are of the same relative size or for all businesses (see toggle). This is based on BBB's database of businesses located in Eastern Massachusetts, Maine, Rhode Island and Vermont. Businesses may engage in more than one type of business.

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.