Local HVAC directory

HVAC Contractors in Lake Saint Louis, MO

10 HVAC professionals listed. Compare services, websites, service areas, and direct contact options.

10contractors listed

8websites available

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10 results

Canada HVAC LLC

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (636) 336-6123
Listed in: Listed in: Lake Saint Louis, MO

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Faszold Heating and Cooling

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (636) 259-2756
Listed in: Listed in: Lake Saint Louis, MO

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Goldkamp Heating and Cooling | Lake St. Louis

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (636) 748-5556
Business location: Business location: 8200 Orf Rd #101Closed

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Hoff Heating & AC

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (636) 388-7676
Listed in: Listed in: Lake Saint Louis, MO

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Lake St Louis Heating and Cooling

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website unavailable

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (636) 203-3957
Listed in: Listed in: Lake Saint Louis, MO

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Merrill Maintenace

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (314) 591-6394
Listed in: Listed in: Lake Saint Louis, MO

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Reliable Heating & Cooling Inc.

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (314) 207-6489
Listed in: Listed in: Lake Saint Louis, MO

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Renaud Brothers Heating & Cooling

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (314) 876-8076
Listed in: Listed in: Lake Saint Louis, MO

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Siefert Heating, Cooling & Mechanical LLC

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website unavailable

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (314) 598-1658
Listed in: Listed in: Lake Saint Louis, MO

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Superior Service

Lake Saint Louis, MO

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (636) 926-0000
Listed in: Listed in: Lake Saint Louis, MO

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Hiring and service guidance

Common HVAC needs in Lake Saint Louis

Lake Saint Louis homeowners and property managers commonly compare contractors for furnace repair, AC repair, seasonal maintenance, emergency no-heat calls, ductwork, and indoor air quality work. Use the cards below to shortlist local and nearby HVAC companies, then confirm service area, availability, license details, and current pricing directly with each business.

What to check before hiring in Lake Saint Louis

Contact details: Use phone numbers and websites as a starting point, then confirm hours, services, and licensing directly with the contractor.
Owner updates: Claimed listings may include validated owner-source details subject to source precedence.
Services: Confirm the contractor handles your specific heating, cooling, ductwork, or indoor air quality need.
Emergency availability: Ask whether after-hours or weekend heating and cooling help is available.
Get multiple estimates: Contact at least 2-3 contractors before choosing.

Confirm the contractor's service areaBusiness addresses do not always match the cities a contractor serves. Confirm coverage directly before scheduling.

Own or manage an HVAC company? Claim your listing for free to keep phone, website, service-area, and service details current. Claim or update listing

HVAC Contractors in Lake Saint Louis, MO

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