Skip to content
ContractorsRanked

Onyx Heating and AirHVAC contractor in Middleburg, FL

Onyx Heating and Air is an HVAC contractor at 2469 Quarterhorse Trail, Middleburg, FL 32068, ranked #42 of 181 HVAC contractors in Middleburg and rated 5.0 from 46 Google reviews. Open Monday to Saturday.

Middleburg, FLUpdated 0 paid placements in any rankingHow we rank

Call (904) 916-4225Website ↗

Key facts

Key facts about Onyx Heating and Air
Address2469 Quarterhorse Trail, Middleburg, FL 32068Get directions
Phone(904) 916-4225
Websiteonyxheatingandair.org
HoursOpen Monday to Saturday
Google rating5.0 from 46 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Middleburg and 11 towns within 25 miles: Asbury Lake, Oakleaf Plantation, Lakeside, Starke, Fleming Island, Bellair-Meadowbrook Terrace, Orange Park, Green Cove Springs, Macclenny, Fruit Cove and St. Johns.

Based in Middleburg, FLView on map

Opening hours

Opening hours for Onyx Heating and Air
DayHours
Monday7 AM – 10:30 PMevening
Tuesday7 AM – 10 PMevening
Wednesday7 AM – 10 PMevening
Thursday7 AM – 10 PMevening
Friday9 AM – 10 PMevening
Saturday8 AM – 5 PM
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

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

Onyx Heating and Air compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Onyx Heating and Air (this business)—585.0 (46)—YesNo
4 SEASONS LLC#40585.0 (236)—YesYes20.8 mi
Air Creations Heating & Cooling#41585.0 (17)—YesYes8.4 mi
Air-Max Heating & Cooling, Inc.#43584.5 (43)—YesYes11.0 mi

See all 181 ranked HVAC contractors in Middleburg

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 46 Google reviews

Hired Onyx Heating and Air? Write a review

Questions about Onyx Heating and Air

How is Onyx Heating and Air ranked in Middleburg?

Onyx Heating and Air is ranked #42 of 181 HVAC contractors in Middleburg by CR Score, with 58 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 Onyx Heating and Air’s hours?

Onyx Heating and Air is open Monday to Saturday. Its listed hours are Open Monday to Saturday. On Saturdays it is open 8 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Onyx Heating and Air serve?

Serves Middleburg and 11 towns within 25 miles: Asbury Lake, Oakleaf Plantation, Lakeside, Starke, Fleming Island, Bellair-Meadowbrook Terrace, Orange Park, Green Cove Springs, Macclenny, Fruit Cove and St. Johns. 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 Onyx Heating and Air?

Onyx Heating and Air has a rating of 5.0 from 46 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 Onyx Heating and Air?

Call Onyx Heating and Air on (904) 916-4225. The business is at 2469 Quarterhorse Trail, Middleburg, FL 32068. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Onyx Heating and Air? Claim this profile.

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

Claim this profile