Contact Us
| Service Division | Direct Line | |
| Charlie Kistler, Vice President | 651-255-3523 | ckistler@nac-hvac.com |
| Dave Carlson, Service Sales Manager | 651-255-3536 | dcarlson@nac-hvac.com |
| Jim Ellefson, Service Representative | 651-255-3517 | jellefson@nac-hvac.com |
| Gary Sowada, Service Representative | 651-255-3525 | gsowada@nac-hvac.com |
| Lisa Linell, Service Representative | 651-255-3527 | llinell@nac-hvac.com |
| Jim Lesniak, Service Representative | 651-255-3538 | jlesniak@nac-hvac.com |
| Erick Espelien, Service Coordinator | 651-255-3511 | eespelien@nac-hvac.com |
| Geri Galbrecht, Customer Service | 651-255-3518 | ggalbrecht@nac-hvac.com |
| Service E-mail | service@nac-hvac.com |
| Construction Division | Direct Line | |
| Lynn Bishop, President | 651-255-3550 | lbishop@nac-hvac.com |
| Bill Zellmer, Vice President | 651-255-3537 | bzellmer@nac-hvac.com |
| Chris Boysen, Sales, Energy Consultant | 651-255-3515 | cboysen@nac-hvac.com |
| Jim Hoglund, Project Manager | 651-255-3521 | jhoglund@nac-hvac.com |
| Tom Miller, Project Manager | 651-255-3535 | tmiller@nac-hvac.com |
| Mike Bjokne, Project Manager | 651-255-3516 | mbjokne@nac-hvac.com |
| Brad Atkins, Sr. Estimator, Project Manager | 651-255-3526 | batkins@nac-hvac.com |
| Mark Krogen, Estimator, Project Manager | 651-255-3529 | mkrogen@nac-hvac.com |
| Jim Brengman, Estimator | 651-255-3541 | jbrengman@nac-hvac.com |
| Jean Sluss, Project Administration | 651-255-3512 | jsluss@nac-hvac.com |
| Estimation and Design | estimation@nac-hvac.com |
| Automation Division | Direct Line | |
| Steve Anderson, Vice President | 651‐255‐3510 | sanderson@nac-hvac.com |
| Ken Cronk, Project Manager | 651-255-3514 | kcronk@nac-hvac.com |
| Mike Zender, Sales Manager | 651-255-3520 | mzender@nac-hvac.com |
| Dan Shelstad, Application Engineer | 651-255-3524 | dshelstad@nac-hvac.com |
| Administration | Direct Line | |
| Julie Underwood, CPA, VP Finance & Operations |
651-255-3532 | junderwood@nac-hvac.com |
| Brenda Sjerven, Accounting and Business Manager |
651-255-3555 | bsjerven@nac-hvac.com |
| Administrator, Main | 651-490-9868 | nac@nac-hvac.com |
| Accounts Payable | ap@nac-hvac.com |