Skip to content
ContractorsRanked

Siefert Heating, Cooling & Mechanical LLCHVAC contractor in Saint Peters, MO

Siefert Heating, Cooling & Mechanical LLC is an HVAC contractor in Saint Peters, MO, rated 4.7 from 25 Google reviews. Open Monday to Friday.

Saint Peters, MO0 paid placements in any rankingHow we rank

Call (314) 598-1658

Key facts

Key facts about Siefert Heating, Cooling & Mechanical LLC
Phone(314) 598-1658
HoursMonday to Friday: 8 AM – 8 PM
Google rating4.7 from 25 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Saint Peters and 12 towns within 25 miles: Maryland Heights, Chesterfield, Creve Coeur, Saint Charles, Bridgeton, Saint Ann, Town and Country, Olivette, Manchester, Ladue, Overland and Ballwin.

Based in Saint Peters, MOView on map

Opening hours

Opening hours for Siefert Heating, Cooling & Mechanical LLC
DayHours
Monday8 AM – 8 PMevening
Tuesday8 AM – 8 PMevening
Wednesday8 AM – 8 PMevening
Thursday8 AM – 8 PMevening
Friday8 AM – 8 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

4.7from 25 Google reviews

Hired Siefert Heating, Cooling & Mechanical LLC? Write a review

Questions about Siefert Heating, Cooling & Mechanical LLC

What are Siefert Heating, Cooling & Mechanical LLC’s hours?

Siefert Heating, Cooling & Mechanical LLC is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 8 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Siefert Heating, Cooling & Mechanical LLC serve?

Serves Saint Peters and 12 towns within 25 miles: Maryland Heights, Chesterfield, Creve Coeur, Saint Charles, Bridgeton, Saint Ann, Town and Country, Olivette, Manchester, Ladue, Overland and Ballwin. 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 Siefert Heating, Cooling & Mechanical LLC?

Siefert Heating, Cooling & Mechanical LLC has a rating of 4.7 from 25 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.

Own Siefert Heating, Cooling & Mechanical LLC? Claim this profile.

Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

Claim this profile