
Mark Group
About us
Our mission is to enhance the quality of life for our customers through the installation of quality building performance improvements. Since 1974, we have helped over two million homeowners address rooms that are always too hot or too cold, eliminate unwanted drafts and reduce unnecessarily high energy bills. We pride ourselves on the quality of service that comes from well-trained, diligent and respectful employees. Moreover, our installation crew leaders are certified by the Building Performance Institute, a national organization that sets the standard for residential energy efficiency retrofit work. Let us help you get your house in line today. Extension 685 for phone. Additional DBAs - Inspired Marketing LLC, Inspired Green. Additional phone number - (517) 321-4935.
Business highlights
Services we offer
Energy analysis, air sealing and insulation, attics, basements, crawl spaces, exterior walls, heating, lighting, ventilation & air conditioning (HVAC)., window installation
Amenities
Free Estimates
Yes
Accepted Payment Methods
- CreditCard
| Number of Stars | Image of Distribution | Number of Ratings |
|---|---|---|
| 74% | ||
| 14% | ||
| 7% | ||
| 2% | ||
| 3% |
Licensing
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.
*Contact business to see additional licenses.