Heating & cooling in St. Charles, MO
St. Charles mixes 19th-century homes near historic Main Street with large subdivisions built from the 1970s on. Neighborhoods on low ground near the Missouri River can see high water.
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What we see in St. Charles
- Older homes near the historic district may have boilers or small ducts, while newer subdivisions mostly have forced air, so quotes vary a lot by house.
- Many systems from the 1990s and 2000s are near the end of their life. Compare the cost of repairs against replacement.
- Ask for a written load calculation if a quote changes the size of your system.
Questions to ask a heating & cooling contractor
- Will you do a load calculation instead of sizing by square footage?
- Are you licensed where required and insured?
- What are the exact model numbers and efficiency ratings for each option?
- Will the indoor coil be replaced to match the outdoor unit?
- What's included: permit, thermostat, pad, line set and haul-away?
- What's your labor warranty, and how is the manufacturer warranty registered?
- Do any current utility rebates or tax incentives apply?