How many hvac contractors are in Northfield, MN?

9 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 Northfield, MN

9 listings

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

There are 9 hvac contractors in Northfield, Minnesota with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-12-04; 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
ERLINGS HEATING & AIR CONDITIONING LLC	MB005320	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-06-30	NORTHFIELD	55057	Set up workspace
Myers HVACR LLC	MB100561	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-04-23	Northfield	55057	Set up workspace
One Hour Heating and Air Conditioning / Benjamin Franklin Plumbing	MB100190	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-06-26	Northfield	55057	Set up workspace
PAULS PLUMBING & HEATING OF DENNISON INC	MB709036	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-04-25	NORTHFIELD	55057	Set up workspace
PERFECT CLIMATE INC	MB715991	Mechanical Contractor Bond — Mechanical Contractor Bond	2026-12-04	NORTHFIELD	55057	Set up workspace
RONS NORTHFIELD REFRIGERATION HEATING & AIR CONDITIONING INC	MB003325	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-08-20	NORTHFIELD	55057	Set up workspace
THIBODEAU HEATING AND AIR CONDITIONING LLC	MB649611	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-04-02	NORTHFIELD	55057	Set up workspace
TJ Dvorak Mechanical LLC	MB100199	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-07-16	Northfield	55057	Set up workspace
WELCH PLUMBING INCORPORATED	MB660619	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-01-26	NORTHFIELD	55057	Set up workspace

Quick answers

How many hvac contractors are in Northfield?: 9 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.