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*The Angi rating for Heating Oil Service companies in Caulfield, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

*The HomeAdvisor rating for Heating Oil Service companies in Caulfield, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

Last update on October 18, 2025

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Heating Oil questions, answered by experts

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

Regular inspections, loop flushing, and checking heat exchangers help extend system lifespan.

HVAC systems usually last between 10 and 30 years, with most having a lifespan of around 20 years. Factors that impact a unit’s life expectancy include which brand you choose, how often you use it, and how well you maintain it. To make sure yours lasts as long as possible, make sure to keep it clean and schedule an annual service with an HVAC technician.

If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a furnace or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.

Most maintenance checks take 2-5 hours, though extensive repairs may take longer.

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