HVAC in Oshkosh, WI.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
This listing was created from public license records. The owner hasn’t claimed it yet — claim it now and we’ll build you a free professional website at bidroom.io/pro/lewis-r-blank.
Phone, email, and website are locked for this listing. Subscribe to Bidroom to unlock contact info across our 1.6M-contractor directory and message verified pros directly inside the app.
Subscribe to unlock Or start a 7-day free trialBidroom indexed this listing from public Wisconsin license records. Before signing a contract, take 2 minutes to verify the credentials yourself using the official sources below.
A valid license number on file doesn't guarantee current status. License standing can change — always verify on the state board the day you hire.
Lewis R Blank is a hvac based in Oshkosh, Wisconsin. Their license classification is HVAC Qualifier.
Yes. Lewis R Blank holds Wisconsin licensing authority license #139493 (status: Active). Verify the current status on Wisconsin licensing authority before hiring.
Lewis R Blank is based in Oshkosh, WI 549029106. Most hvacs serve a 25–50 mile radius from their home base, but always confirm coverage before requesting a bid.
Contact information (phone, email, website) is shown to Bidroom subscribers. Subscribe to unlock contact info and message Lewis R Blank directly through the Bidroom app.
The fastest way is to post your project on Bidroom — Lewis R Blank and up to 2 other verified hvacs in Oshkosh can bid on it, and every quote includes itemized pricing + a written scope of work.
$4,000 – $12,000 per system is the typical range. New AC install $4K–$8K. Heat pump install $6K–$12K. Annual service contract $150–$400. Local market rates in Oshkosh may run higher than this baseline.
Not yet. This listing was created from public Wisconsin license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
Quick checklist any homeowner can use — these are the 8 things that distinguish hiring well from getting burned.
Itemized scope + materials + timeline. One quote is a guess; three is data.
Look up the number directly on Wisconsin licensing authority — not just a screenshot from the contractor.
General liability AND workers' comp. Have the insurer email it directly — never accept a PDF from the contractor.
Same trade, same scope, completed in the last 12 months. Call them.
Scope, payment schedule, start & completion dates, change-order process, warranty terms.
Standard: 10–30% deposit, progress draws tied to milestones, final 10% on punch-list completion.
Get a conditional waiver with every payment and an unconditional waiver at final payment. Protects your title.
For anything structural, electrical, plumbing, or HVAC — the contractor (not you) pulls the permit. No permit = no recourse if work fails inspection.
New AC install $4K–$8K. Heat pump install $6K–$12K. Annual service contract $150–$400.
Ranges are national averages. Oshkosh market rates may run 10–30% higher in high-cost metros. Get itemized bids to compare apples-to-apples.