Gartman Mechanical Services
Gartman Mechanical Services is a HVAC provider serving Oshkosh, WI. Rated 4.5★ with 56 Google reviews. See services, review signals, and request a quote.
HVACOshkosh, WI
On this page
Company overview
- TradeHVAC
- Service areaOshkosh, WI
- Google rating4.5★ (56 reviews)
- Phone(920) 231-5530
- Address520 W South Park Ave, Oshkosh, WI 54902, USA
Photos
Photos from Scott Olejnik, Barry Puhl
What customers say
“My water heater went out they sent two professional hardworking men! Tom and Ethan were amazing and flawless with their execution and service! Very pleased with the service! Would recommend to anyone!…”
“I contacted Gartman to inspect a noise coming from my AC unit. Their website states that they offer free estimates. After looking at the unit, they told me I needed a new compressor, claimed it was ou…”
“Have been exclusively working with Gartman for the past 10 years after a couple of other local heating and air conditioning companies let us down. Gartman has been awesome to work with. They are speed…”
“Paid over $6000 for a new radiant heat furnace and found out it had a ONE YEAR warranty. Ridiculous. Have had nothing but issues with it for the last 2 years. Always some new problem with it. Along w…”
“I unfortunately had a terrible experience with one of the employees who showed up at my client’s home today to address an issue with their heating system malfunctioning. I own a pet sitting business a…”
Key highlights
Strengths
- Highly rated (4.5★ average)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Gartman Mechanical Services offer?
Gartman Mechanical Services provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Oshkosh, WI.
What is Gartman Mechanical Services's rating?
Gartman Mechanical Services has a 4.5 out of 5 star rating based on 56 Google reviews.
Is this company licensed in Wisconsin?
All listed providers have a verified Wisconsin contractor license at time of publication. You can verify on the Wisconsin Department of Safety and Professional Services (DSPS) — Dwelling Contractor certification (plus municipal HVAC licensing) lookup at https://licensesearch.wi.gov/.
Does Gartman Mechanical Services offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Wisconsin Department of Safety and Professional Services (DSPS) — Dwelling Contractor certification (plus municipal HVAC licensing) · Company data: verified business records + Google Business profile
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