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County Lines HVAC & FireplacesHVAC contractor in St. Thomas, ON

County Lines HVAC & Fireplaces is an HVAC contractor at 43 Ross St, St Thomas, ON N5T 3X6, ranked #22 of 129 HVAC contractors in St. Thomas and rated 5.0 from 139 Google reviews. Open Monday to Friday.

St. Thomas, ONUpdated 0 paid placements in any rankingHow we rank

Call (519) 902-3435Website ↗

Key facts

Key facts about County Lines HVAC & Fireplaces
Address43 Ross St, St Thomas, ON N5T 3X6, St. Thomas, ONGet directions
Phone(519) 902-3435
Websitecountylineshvac.ca
HoursMonday to Friday: 8 AM – 5 PM
Google rating5.0 from 139 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves St. Thomas and 4 towns within 40 km: Aylmer, London, Dorchester and Ingersoll.

Based in St. Thomas, ONView on map

Opening hours

Opening hours for County Lines HVAC & Fireplaces
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • 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 converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$5,460CA$8,400CA$11,350
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$3,970CA$6,770CA$9,690

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

Compare nearby HVAC contractors

County Lines HVAC & Fireplaces compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
County Lines HVAC & Fireplaces (this business)—575.0 (139)—NoNo
AirWise Heating & Cooling#20575.0 (29)—YesYes16.5 km
Maxcare Heating And Cooling#21575.0 (265)—YesYes28.1 km
Constant Home Comfort London#23574.6 (73)—YesYes17.0 km

See all 129 ranked HVAC contractors in St. Thomas

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 139 Google reviews

Hired County Lines HVAC & Fireplaces? Write a review

Questions about County Lines HVAC & Fireplaces

How is County Lines HVAC & Fireplaces ranked in St. Thomas?

County Lines HVAC & Fireplaces is ranked #22 of 129 HVAC contractors in St. Thomas by CR Score, with 57 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 County Lines HVAC & Fireplaces’ hours?

County Lines HVAC & Fireplaces is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does County Lines HVAC & Fireplaces serve?

Serves St. Thomas and 4 towns within 40 km: Aylmer, London, Dorchester and Ingersoll. 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 County Lines HVAC & Fireplaces?

County Lines HVAC & Fireplaces has a rating of 5.0 from 139 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 County Lines HVAC & Fireplaces?

Call County Lines HVAC & Fireplaces on (519) 902-3435. The business is at 43 Ross St, St Thomas, ON N5T 3X6, St. Thomas, ON. 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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