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One Heating & CoolingHVAC contractor in Newmarket, ON

One Heating & Cooling is an HVAC contractor at 356 Coachwhip Trail, Newmarket, ON L3X 2R2, rated 5.0 from 16 Google reviews. Open Monday to Saturday.

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Key facts

Key facts about One Heating & Cooling
Address356 Coachwhip Trail, Newmarket, ON L3X 2R2Get directions
Websiteoneheatingandcooling.ca
HoursMonday to Friday: open 24 hours; Saturday: 9 AM – 5 PM
Google rating5.0 from 16 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Newmarket and 11 towns within 40 km: East Gwillimbury, Aurora, King, Keswick, Richmond Hill, Vaughan, Tottenham, Markham, Innisfil, Concord and Uxbridge.

Based in Newmarket, ONView on map

Opening hours

Opening hours for One Heating & Cooling
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
Saturday9 AM – 5 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no
  • 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 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.

Reviews

ContractorsRanked reviews

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Google

5.0from 16 Google reviews

Hired One Heating & Cooling? Write a review

Questions about One Heating & Cooling

What are One Heating & Cooling’s hours?

One Heating & Cooling is open Monday to Saturday. Its listed hours are Monday to Friday, open 24 hours; Saturday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does One Heating & Cooling serve?

Serves Newmarket and 11 towns within 40 km: East Gwillimbury, Aurora, King, Keswick, Richmond Hill, Vaughan, Tottenham, Markham, Innisfil, Concord and Uxbridge. 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 One Heating & Cooling?

One Heating & Cooling has a rating of 5.0 from 16 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 One Heating & Cooling?

The business is at 356 Coachwhip Trail, Newmarket, ON L3X 2R2. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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