Knock Knock HVAC, AC Repair & Furnace Repair
Knock Knock HVAC, AC Repair & Furnace Repair is a HVAC provider serving Hamilton, OH. Rated 5.0★ with 112 Google reviews. See services, review signals, and request a quote.
HVACHamilton, OH
On this page
Company overview
- TradeHVAC
- Service areaHamilton, OH
- Google rating5.0★ (112 reviews)
- Phone(513) 875-7653
- Address4740 Dues Dr A, Cincinnati, OH 45246, USA
Photos
Photos from Knock Knock HVAC, AC Repair & Furnace Repair, Confirmed Traveler, Mitchell Wilhelm, rafaelh Soria
What customers say
“My very elderly furnace was acting up and I needed a company that serviced my area. (I’m kind of in the boonies). I called on a Saturday and Mitchell was immediately willing to help, got information, …”
“I had a new Air conditioning and Furnace installed today. Prior to this, I had a visit from Mitchell (manager of Knock Knock heating and Cooling company) . He did thorough inspection of my unit and ma…”
“I needed a new HVAC system right before the worst winter temperatures we have had in some years. The technicians at Knock Knock were very professional and knowledgeable. As a former NCO in two branche…”
“Excellent, professional service! Our new furnace is super quiet and much more efficient than our old one. Installers were very personable, prompt, anttention to every detail, and took extra time to ma…”
“Knock Knock was doing my neighbor's unit, and I followed up with Cooper - set up a service for my HVAC unit. Cooper was prompt, thorough (not rushed and making sure things were serviced right), and in…”
Key highlights
Strengths
- Highly rated (5.0★ average)
- Large review volume (112 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 Knock Knock HVAC, AC Repair & Furnace Repair offer?
Knock Knock HVAC, AC Repair & Furnace Repair provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Hamilton, OH.
What is Knock Knock HVAC, AC Repair & Furnace Repair's rating?
Knock Knock HVAC, AC Repair & Furnace Repair has a 5.0 out of 5 star rating based on 112 Google reviews.
Is this company licensed in Ohio?
All listed providers have a verified Ohio contractor license at time of publication. You can verify on the Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce lookup at https://elicense.ohio.gov/oh_verifylicense.
Does Knock Knock HVAC, AC Repair & Furnace Repair 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 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce · Company data: verified business records + Google Business profile
See our editorial standardsReport inaccurate info about Knock Knock HVAC, AC Repair & Furnace Repair
Request a quote from Knock Knock HVAC, AC Repair & Furnace Repair
Enter your ZIP and we will line up a free estimate alongside other top local pros.
Own or manage this business? Claim this listing to earn a verified-owner badge.