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Knock Knock HVAC, AC Repair & Furnace RepairHVAC contractor in Cincinnati, OH

Knock Knock HVAC, AC Repair & Furnace Repair is an HVAC contractor at 4740 Dues Dr A, Cincinnati, OH 45246, ranked #40 of 376 HVAC contractors in Cincinnati and rated 5.0 from 104 Google reviews. Open 7 days a week.

Cincinnati, OHUpdated 0 paid placements in any rankingHow we rank

Call (513) 875-7653Website ↗

Key facts

Key facts about Knock Knock HVAC, AC Repair & Furnace Repair
Address4740 Dues Dr A, Cincinnati, OH 45246Get directions
Phone(513) 875-7653
Websiteknockknockair.com
HoursMonday to Sunday: 6 AM – midnight
Google rating5.0 from 104 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Cincinnati and 12 towns within 25 miles: Springdale, Forest Park, Beckett Ridge, Sharonville, Fairfield, Wyoming, New Burlington, Reading, Mount Healthy, Blue Ash, Hamilton and Northbrook.

Based in Cincinnati, OHView on map

Opening hours

Opening hours for Knock Knock HVAC, AC Repair & Furnace Repair
DayHours
Monday6 AM – midnightevening
Tuesday6 AM – midnightevening
Wednesday6 AM – midnightevening
Thursday6 AM – midnightevening
Friday6 AM – midnightevening
Saturday6 AM – midnightevening
Sunday6 AM – midnightevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Knock Knock HVAC, AC Repair & Furnace Repair compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Knock Knock HVAC, AC Repair & Furnace Repair (this business)—605.0 (104)—YesYes
Reupert Heating & Air Conditioning#38614.9 (627)—YesNo15.0 mi
JM Mechanical Heating & Cooling#39604.9 (517)—YesYes0.3 mi
The Geiler Company#41604.5 (175)—YesYes14.0 mi

See all 376 ranked HVAC contractors in Cincinnati

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 104 Google reviews

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Questions about Knock Knock HVAC, AC Repair & Furnace Repair

How is Knock Knock HVAC, AC Repair & Furnace Repair ranked in Cincinnati?

Knock Knock HVAC, AC Repair & Furnace Repair is ranked #40 of 376 HVAC contractors in Cincinnati by CR Score, with 60 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Knock Knock HVAC, AC Repair & Furnace Repair’s hours?

Knock Knock HVAC, AC Repair & Furnace Repair is open 7 days a week. Its listed hours are Monday to Sunday, 6 AM – midnight. On Saturdays it is open 6 AM to midnight, and on Sundays 6 AM to midnight. Hours come from the business listing; holiday hours may differ.

What areas does Knock Knock HVAC, AC Repair & Furnace Repair serve?

Serves Cincinnati and 12 towns within 25 miles: Springdale, Forest Park, Beckett Ridge, Sharonville, Fairfield, Wyoming, New Burlington, Reading, Mount Healthy, Blue Ash, Hamilton and Northbrook. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Knock Knock HVAC, AC Repair & Furnace Repair?

Knock Knock HVAC, AC Repair & Furnace Repair has a rating of 5.0 from 104 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Knock Knock HVAC, AC Repair & Furnace Repair?

Call Knock Knock HVAC, AC Repair & Furnace Repair on (513) 875-7653. The business is at 4740 Dues Dr A, Cincinnati, OH 45246. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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