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O'Connor Heating & CoolingHVAC contractor in Sioux City, IA

O'Connor Heating & Cooling is an HVAC contractor at 3812 Floyd Blvd, Sioux City, IA 51108, ranked #7 of 35 HVAC contractors in Sioux City and rated 4.3 from 59 Google reviews. Open 24 hours a day, 7 days a week.

Sioux City, IAUpdated 0 paid placements in any rankingHow we rank

Call (712) 490-7827Website ↗

Key facts

Key facts about O'Connor Heating & Cooling
Address3812 Floyd Blvd, Sioux City, IA 51108Get directions
Phone(712) 490-7827
Websiteoconnorhvacscia.com
HoursOpen 24 hours, 7 days a week
Google rating4.3 from 59 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Sioux City and 1 town within 25 miles: Le Mars.

Based in Sioux City, IAView on map

Opening hours

Opening hours for O'Connor Heating & Cooling
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

O'Connor Heating & Cooling compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
O'Connor Heating & Cooling (this business)—604.3 (59)—YesYes
Mpire Heating & Cooling LLC#5614.9 (29)—YesYes9.3 mi
Denney Plumbing Heating & Air#6604.6 (31)—YesYes8.2 mi
P.M. HVAC Services LLC#8595.0 (9)—YesYes5.2 mi

See all 35 ranked HVAC contractors in Sioux City

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.3from 59 Google reviews

Hired O'Connor Heating & Cooling? Write a review

Questions about O'Connor Heating & Cooling

How is O'Connor Heating & Cooling ranked in Sioux City?

O'Connor Heating & Cooling is ranked #7 of 35 HVAC contractors in Sioux City 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 O'Connor Heating & Cooling’s hours?

O'Connor Heating & Cooling is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does O'Connor Heating & Cooling serve?

Serves Sioux City and 1 town within 25 miles: Le Mars. 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 O'Connor Heating & Cooling?

O'Connor Heating & Cooling has a rating of 4.3 from 59 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 O'Connor Heating & Cooling?

Call O'Connor Heating & Cooling on (712) 490-7827. The business is at 3812 Floyd Blvd, Sioux City, IA 51108. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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