About Optimal Heating & Cooling
Professional, standard work—every time.
Who we are
Optimal Heating and Cooling Company (OHC) provides residential HVAC service, cleaning, installation, maintenance, and repairs. We're proud to be your trusted source for HVAC repairs or issues, and we work hard to respond quickly when your comfort is on the line.
A+ rating • Thousands of customers served
How we work
- Fast response for breakdowns and malfunctions
- Clear explanation of the issue and next steps
- Preventative maintenance to reduce future repairs
- Emergency services available
- Service plans and warranty options
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Service area
Serving Saint Charles County & Saint Louis County.
Ballwin · Chesterfield · Florissant · Hazelwood · Ladue · Wentzville · Clayton · Creve Coeur · Lake Saint Louis · Saint Peters · O’Fallon · Saint Charles