HVAC contractor activity in Detroit, MI

Ranked by the number of available hvac permit records associated with each business in Detroit, MI since March 2026. This is public-record activity, not an editorial or pay-to-play ranking.

Rank	Contractor	Published record count	Record context
#1	RANDAZZO MECHANICAL	230 records	Published history
#2	MICH CONSOLIDATED GAS CO	144 records	Published history
#3	FLAME FURNACE	102 records	Published history
#4	AIR COMFORT PRO LLC	87 records	Published history
#5	ANDY'S STATEWIDE	81 records	Published history
#6	A&H HVAC	57 records	Published history
#7	FAMILY HEATING,CLG, & ELE	47 records	Published history
#8	Air King	45 records	Published history
#9	HOME SERVICE CORP	26 records	Published history
#10	comfort 1st Heating & Cooling	25 records	Published history
#11	Detroit Furnace	19 records	Published history
#12	Jacqueline Kemp	18 records	Published history
#13	National Heating & Cooling Inc	16 records	Published history
#14	INTERSTAR, INC	16 records	Published history
#15	Magic Heating and Cooling LLC	15 records	Published history
#16	ALTEAM LLC	15 records	Published history
#17	Airman Heat & Air LLC	13 records	Published history
#18	Flame Furnace	13 records	Published history
#19	Family Heating Co. Inc.	12 records	Published history
#20	EXPRESS HEATING & COOLING INC.	11 records	Published history

Review the available hvac permit records

See the newest available source date and the fields the public source publishes for Detroit, MI. A permit is evidence of project activity, not a recommendation or a promise that every record includes contact information.

Review Detroit, MI permits

How B2B teams use permit activity

Suppliers, software vendors, and market researchers can use permit activity to identify businesses associated with recent work. The source record does not measure workmanship, customer satisfaction, or contractor suitability.

Activity is source-published. A listed business is associated with available public permit records, rather than a paid placement.
Counts are scope-specific. They reflect this city's available permit inventory and the selected date window, not all of a contractor's work.
Fields vary by jurisdiction. Public sources may omit a contractor, owner, address, cost, or contact field on any given record.

Use the Detroit, MI record page to review the available records, source date, permit types, and fields for this market.

For hvac contractors: how to land on this list

If you run a hvac business in Detroit, MI and don't see your company name here, the available source records may not contain a matching name in this city and date window.

The source may not publish a contractor or applicant name for the relevant records.
A record may use a different business, applicant, or licensee name than the one you searched.

This list is not a statement about current operations, service availability, or contractor quality. PermitGrab lets you review source-published record context where the market provides it. Review Detroit, MI source coverage →

Frequently asked

How is this record list calculated?

We count available source-published hvac records in Detroit, MI over the displayed date window, group them by the published business name, and sort descending. There is no editorial weighting or paid placement. It is not an exhaustive contractor directory.

Where does the permit data come from?

The linked market page identifies the publishing jurisdiction, newest displayed record date, and available fields. Source dates and field coverage vary by jurisdiction; review the Detroit, MI source details before relying on a time-sensitive workflow.

How is this different from a review directory?

This page summarizes available public-record history for a selected city and trade. Review directories summarize user experiences. Neither one establishes current availability, workmanship, or a recommendation; use the source fields and your own diligence for the decision at hand.

Why is contractor X not on this list?

The available records may not contain that exact name, the source may omit names, or a different applicant or licensee name may appear. This is not a conclusion about a business's current work. The full source-bound search interface is on the Detroit, MI record page.

I'm a hvac contractor — how do I use this?

Review the published names, record types, dates, and available project fields in your service area. Confirm the source date and field coverage on the market page before acting; current plan terms are shown during signup.