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Where We Work

HVAC Service Areas Across the St. Louis Metro

We are based in Fenton and work outward from there — south through Jefferson County, east into the city, west past Chesterfield and across the river into St. Charles County. Find your town below, then call and we will tell you the soonest we can be at the door.

27
communities
4
corridors
35+
years local
24-hour
response
Three Patriot Heating, Cooling and Air Quality team members beside a branded service van

Coverage

Four corridors, 27 communities

Grouped the way we actually drive them, because what a system needs tends to run with the neighborhood it sits in.

Older housing stock

Mid-County & the City of St. Louis

Kirkwood, Webster Groves and the city's older neighborhoods are full of homes built well before central air was standard. That means retrofitted ductwork, tight basements and the occasional converted gravity furnace — systems that need sizing from scratch rather than a like-for-like swap.

Local Knowledge

Why the address changes the answer

Missouri asks a lot of a comfort system. It has to hold a house through a humid August and a January that drops below freezing, which means every piece of equipment here is sized for two jobs rather than one. Get that sizing wrong and the system short-cycles through summer and struggles through winter.

What that sizing should be depends heavily on where the house is. A 1920s bungalow in Webster Groves with ductwork added decades after it was built has almost nothing in common with a 2006 subdivision home in St. Peters, even at the same square footage. Knowing which one we are walking into is most of the reason our quotes hold up.

See every service we offer
  • The same rate wherever you are

    A call from Wentzville is diagnosed the same way as one from Fenton. Distance changes our drive, not your quote.

  • Diagnosis before a number

    We find the actual fault first and tell you what it costs to fix. No sight-unseen estimates over the phone.

  • Emergency cover

    Heat out in January, AC dead in July — the emergency line is answered outside office hours across the whole service area.

  • 35+ years in this metro

    Locally owned and family-operated, working the same streets long enough to know what the housing stock in each of them tends to hide.

Don't see your town on the list? Call us anyway — if you are near the metro, we will tell you straight away whether we can get to you.

Patriot Heating, Cooling & Air Quality

  • 1750 Fenpark Dr #1100, Fenton, MO 63026
  • (314) 527-2722
  • Mon–Fri: 8:00am – 5:00pm
    Emergency service available
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