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CARLSON MECHANICAL SERVICES LTDHVAC contractor in Markham, ON

CARLSON MECHANICAL SERVICES LTD is an HVAC contractor at 461 Alden Rd #29, Markham, ON L3R 3L4. Open 24 hours a day, 7 days a week.

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Call (888) 233-8028Website ↗

Key facts

Key facts about CARLSON MECHANICAL SERVICES LTD
Address461 Alden Rd #29, Markham, ON L3R 3L4Get directions
Phone(888) 233-8028
Websitecarlsonmechanical.ca
HoursOpen 24 hours, 7 days a week

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Markham and 11 towns within 40 km: Scarborough, Willowdale, Richmond Hill, North York, Concord, Vaughan, East York, Toronto, Pickering, Aurora and Ajax.

Based in Markham, ONView on map

Opening hours

Opening hours for CARLSON MECHANICAL SERVICES LTD
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 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.

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Questions about CARLSON MECHANICAL SERVICES LTD

What are CARLSON MECHANICAL SERVICES LTD’s hours?

CARLSON MECHANICAL SERVICES LTD 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 CARLSON MECHANICAL SERVICES LTD serve?

Serves Markham and 11 towns within 40 km: Scarborough, Willowdale, Richmond Hill, North York, Concord, Vaughan, East York, Toronto, Pickering, Aurora and Ajax. 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.

How do I contact CARLSON MECHANICAL SERVICES LTD?

Call CARLSON MECHANICAL SERVICES LTD on (888) 233-8028. The business is at 461 Alden Rd #29, Markham, ON L3R 3L4. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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