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Williams Heating & Air ConditioningHVAC contractor in McDonough, GA

Williams Heating & Air Conditioning is an HVAC contractor at 635 Iris Lake Rd, McDonough, GA 30252, ranked #12 of 274 HVAC contractors in McDonough and rated 5.0 from 131 Google reviews. Open Monday to Saturday.

McDonough, GAUpdated 0 paid placements in any rankingHow we rank

Call (678) 764-2414Website ↗

Key facts

Key facts about Williams Heating & Air Conditioning
Address635 Iris Lake Rd, McDonough, GA 30252Get directions
Phone(678) 764-2414
Websitewilliamsheatingandairga.com
HoursMonday to Friday: 7 AM – 7 PM; Saturday: 9 AM – 2 PM
Google rating5.0 from 131 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves McDonough and 11 towns within 25 miles: Locust Grove, Hampton, Stockbridge, Lovejoy, Griffin, Irondale, Morrow, Conyers, Covington, Fayetteville and Conley.

Based in McDonough, GAView on map

Opening hours

Opening hours for Williams Heating & Air Conditioning
DayHours
Monday7 AM – 7 PMevening
Tuesday7 AM – 7 PMevening
Wednesday7 AM – 7 PMevening
Thursday7 AM – 7 PMevening
Friday7 AM – 7 PMevening
Saturday9 AM – 2 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

Williams Heating & Air Conditioning compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Williams Heating & Air Conditioning (this business)—605.0 (131)—YesNo
Reliance Heating and Air#10604.9 (489)—YesYes18.9 mi
Walk On Air#11605.0 (335)—YesYes19.9 mi
My Aire Heating and Cooling of McDonough#13604.9 (174)—YesNo4.9 mi

See all 274 ranked HVAC contractors in McDonough

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 131 Google reviews

Hired Williams Heating & Air Conditioning? Write a review

Questions about Williams Heating & Air Conditioning

How is Williams Heating & Air Conditioning ranked in McDonough?

Williams Heating & Air Conditioning is ranked #12 of 274 HVAC contractors in McDonough 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 Williams Heating & Air Conditioning’s hours?

Williams Heating & Air Conditioning is open Monday to Saturday. Its listed hours are Monday to Friday, 7 AM – 7 PM; Saturday, 9 AM – 2 PM. On Saturdays it is open 9 AM to 2 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Williams Heating & Air Conditioning serve?

Serves McDonough and 11 towns within 25 miles: Locust Grove, Hampton, Stockbridge, Lovejoy, Griffin, Irondale, Morrow, Conyers, Covington, Fayetteville and Conley. 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 Williams Heating & Air Conditioning?

Williams Heating & Air Conditioning has a rating of 5.0 from 131 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 Williams Heating & Air Conditioning?

Call Williams Heating & Air Conditioning on (678) 764-2414. The business is at 635 Iris Lake Rd, McDonough, GA 30252. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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