Hosack Plumbing, Heating & Cooling
Hosack Plumbing, Heating & Cooling is a HVAC provider serving Ofallon, MO. Rated 5.0★ with 712 Google reviews. See services, review signals, and request a quote.
HVACOfallon, MO
On this page
Company overview
- TradeHVAC
- Service areaOfallon, MO
- Google rating5.0★ (712 reviews)
- Phone(636) 696-3384
- Address110 W Pitman St, O'Fallon, MO 63366, USA
Services offered
- installation
- repair
- emergency
Photos
Photos from Hosack Plumbing, Heating & Cooling, Bill M, James Thomas, Jenga G
What customers say
“Really appreciate the prompt service and repair that I received from Hosack. Assessed our issue and had a brand new water heater installed within 2 hours. Price was more than I was wanting to pay, but…”
“These guys are awesome!! Had a pipe burst on my urinal in my “man room” and they had it fixed the same day within hours. The technician was very polite and efficient. Would highly recommend and will u…”
Key highlights
Strengths
- Highly rated (5.0★ average)
- Large review volume (712 reviews)
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 Hosack Plumbing, Heating & Cooling offer?
Hosack Plumbing, Heating & Cooling provides: installation, repair, emergency. They serve residential and commercial customers in Ofallon, MO.
What is Hosack Plumbing, Heating & Cooling's rating?
Hosack Plumbing, Heating & Cooling has a 5.0 out of 5 star rating based on 712 Google reviews.
Is this company licensed in Missouri?
All listed providers have a verified Missouri contractor license at time of publication. You can verify on the Municipal licensing — no statewide Missouri HVAC license (each city regulates mechanical trades independently) lookup at https://ago.mo.gov/divisions/consumer/.
Does Hosack Plumbing, Heating & Cooling 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: Municipal licensing — no statewide Missouri HVAC license (each city regulates mechanical trades independently) · Company data: verified business records + Google Business profile
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