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Mark's Heating & Cooling, Inc.HVAC contractor in Oconomowoc, WI

Mark's Heating & Cooling, Inc. is an HVAC contractor at 355 W Wisconsin Ave, Oconomowoc, WI 53066, rated 5.0 from 21 Google reviews. Open Monday to Friday.

Oconomowoc, WI0 paid placements in any rankingHow we rank

Call (262) 567-6829Website ↗

Key facts

Key facts about Mark's Heating & Cooling, Inc.
Address355 W Wisconsin Ave, Oconomowoc, WI 53066Get directions
Phone(262) 567-6829
Websitemarksheat.com
HoursMonday to Friday: 7 AM – 7 PM
Google rating5.0 from 21 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Oconomowoc and 11 towns within 25 miles: Delafield, Hartland, Pewaukee, Watertown, Sussex, Waukesha, Hartford, Jefferson, Richfield, Slinger and Mukwonago.

Based in Oconomowoc, WIView on map

Opening hours

Opening hours for Mark's Heating & Cooling, Inc.
DayHours
Monday7 AM – 7 PMevening
Tuesday7 AM – 7 PMevening
Wednesday7 AM – 7 PMevening
Thursday7 AM – 7 PMevening
Friday7 AM – 7 PMevening
SaturdayClosed
SundayClosed
  • Open evenings (after 6 PM)
  • 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$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.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 21 Google reviews

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Questions about Mark's Heating & Cooling, Inc.

What are Mark's Heating & Cooling, Inc.’s hours?

Mark's Heating & Cooling, Inc. is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 7 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Mark's Heating & Cooling, Inc. serve?

Serves Oconomowoc and 11 towns within 25 miles: Delafield, Hartland, Pewaukee, Watertown, Sussex, Waukesha, Hartford, Jefferson, Richfield, Slinger and Mukwonago. 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 Mark's Heating & Cooling, Inc.?

Mark's Heating & Cooling, Inc. has a rating of 5.0 from 21 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 Mark's Heating & Cooling, Inc.?

Call Mark's Heating & Cooling, Inc. on (262) 567-6829. The business is at 355 W Wisconsin Ave, Oconomowoc, WI 53066. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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