How many hvac contractors are in AITKIN, MN?

10 with a current Minnesota license, as of 2026-08-31.

How do I check a Minnesota contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the Minnesota DLI licensee database.

HVAC contractors in AITKIN, MN

10 listings

Source: Minnesota DLI license records. Last verified 2026-08-31.

There are 10 hvac contractors in AITKIN, Minnesota with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-10-15; every listing shows its own number and expiry date. All are drawn from the Minnesota DLI register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
AJS HEATING AND AIR LLC	MB788118	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-08-05	AITKIN	56431	Set up workspace
DUFFNEY REFRIGERATION INC	MB765323	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-01-16	AITKIN	56431	Set up workspace
FERRARAS HEATING AIR CONDITIONING & REFRIGERATION INC	MB003344	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-08-27	AITKIN	56431	Set up workspace
GRAVELLE PLUMBING & HEATING INC	MB003759	Mechanical Contractor Bond — Mechanical Contractor Bond	2026-10-15	AITKIN	56431	Set up workspace
LAMMERS APPLIANCE REPAIR LLC	MB748773	Mechanical Contractor Bond — Mechanical Contractor Bond	2027-10-15	AITKIN	56431	Set up workspace
LARSON PLUMBING & HEATING OF AITKIN INC	MB776245	Mechanical Contractor Bond — Mechanical Contractor Bond	2027-01-07	AITKIN	56431	Set up workspace
LUNDBERG PLUMBING & HEATING	MB003381	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-07-01	AITKIN	56431	Set up workspace
MCGUIRE MECHANICAL INC	MB005501	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-04-01	AITKIN	56431	Set up workspace
MONSES PLUMBING & HEATING INC	MB004048	Mechanical Contractor Bond — Mechanical Contractor Bond	2026-11-10	AITKIN	56431	Set up workspace
NORTHERN AIR PLUMBING & HEATING LLC	MB735452	Mechanical Contractor Bond — Mechanical Contractor Bond	2027-12-13	AITKIN	56431	Set up workspace

Quick answers

How many hvac contractors are in AITKIN?: 10 with a current Minnesota license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the Minnesota DLI licensee database.