Complaints are also sometimes filed with the Better Business Bureau. Check their website to find the BBB office in your area. City Permits . Some vendors may try and skirt local permit requirements. While it may introduce additional time and work to comply with local requirements, it does help to ensure that your equipment provider is operating above board.
Many organizations offer training and certification programs for certain specialized services.
Look on your equipment supplier's SmarterEnergy listing for information about their training and certification. Obtain Multiple Bids . Don't be pressured into signing a contract right away. Take time to check at least three references. Don't let payments get ahead of work and keep ahead of payments.