HVAC Contractors in Grafton, WI

Bidroom has 14 HVAC contractor license records for Grafton, Wisconsin (counted 2026-11-08). Of these, 11 are listed as active, 2 have an expired license on record. The most common license type is UDC HVAC Inspector (7).

License types: UDC HVAC Inspector (7), HVAC Contractor (5), HVAC Qualifier (1)
License status: Active (13), Accredited (1)
ZIP codes: 53024
A Friend In Winter · Active
Grafton, WI 53024 · HVAC Contractor · License 1522053
Encore Design Llc · Active
Grafton, WI 53024 · HVAC Contractor · License 1498615
Hertejvir Singh · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 8066
Jon R Nedeau · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 040000023
Jason L Katz · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 042200036
Joseph Amato · Active
Grafton, WI 53024 · HVAC Qualifier · License 520
K Komfort Inc · Active
Grafton, WI 53024 · HVAC Contractor · License 1330389
Neal Mcallister · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 8081
Parr Heating & Air Llc · Active
Grafton, WI 53024 · HVAC Contractor · License 1573894
Prestige Mechanical Llc · Active
Grafton, WI 53024 · HVAC Contractor · License 1547463
Timothy L Koepp · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 051600004
Prestige Mechanical Llc · Accredited
Grafton, WI 53024 · Heating and Air Conditioning · License BBB-1000051866
Jeffrey Thoma · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 041900036
Roger R Kison · Active
Grafton, WI 53024 · UDC HVAC Inspector · License 069602143

Listings are populated from public state-license and BBB business records. To update or claim your profile, click any business above and use the “Claim this profile” button — it’s free and takes about 60 seconds.