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HallcoHVAC contractor in Saint Augustine, FL

Hallco is an HVAC contractor at 3420 Agricultural Center Dr Bldg B, Suite 8, St. Augustine, FL 32092, ranked #5 of 114 HVAC contractors in Saint Augustine and rated 5.0 from 343 Google reviews. Open 24 hours a day, 7 days a week.

Saint Augustine, FLUpdated 0 paid placements in any rankingHow we rank

Call (904) 310-4725Website ↗

Key facts

Key facts about Hallco
Address3420 Agricultural Center Dr Bldg B, Suite 8, St. Augustine, FL 32092, Saint Augustine, FLGet directions
Phone(904) 310-4725
Websitehallcoac.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 343 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Saint Augustine and 10 towns within 25 miles: Saint Augustine Shores, Saint Augustine Beach, St. Johns, Green Cove Springs, Palm Valley, Fruit Cove, Fleming Island, Palatka, Ponte Vedra Beach and Orange Park.

Based in Saint Augustine, FLView on map

Opening hours

Opening hours for Hallco
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

Hallco compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Hallco (this business)—655.0 (343)—YesYes
AC Designs Heating and Air Conditioning#4654.7 (1,367)—YesYes0.1 mi
Wilson Heating & Air Conditioning, Inc.#6644.9 (410)—YesYes5.0 mi
David Gray Electrical, Plumbing, Heating & Air#7644.8 (397)—YesYes5.7 mi

See all 114 ranked HVAC contractors in Saint Augustine

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 343 Google reviews

Hired Hallco? Write a review

Questions about Hallco

How is Hallco ranked in Saint Augustine?

Hallco is ranked #5 of 114 HVAC contractors in Saint Augustine by CR Score, with 65 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 Hallco’s hours?

Hallco 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 Hallco serve?

Serves Saint Augustine and 10 towns within 25 miles: Saint Augustine Shores, Saint Augustine Beach, St. Johns, Green Cove Springs, Palm Valley, Fruit Cove, Fleming Island, Palatka, Ponte Vedra Beach and Orange Park. 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 Hallco?

Hallco has a rating of 5.0 from 343 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 Hallco?

Call Hallco on (904) 310-4725. The business is at 3420 Agricultural Center Dr Bldg B, Suite 8, St. Augustine, FL 32092, Saint Augustine, FL. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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