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TRUSTED BY WELDON SPRING, MO HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon7.5k+
    Verified plumbing and heating services reviews

Top-Rated Plumbing and heating pros in Weldon Spring - Updated Nov 2026

Avatar for Dunn Heating Air Conditioning and Plumbing
Dunn Heating Air Conditioning and Plumbing
4.7(
274
)
Gas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install - For Business+16 more

Serving Weldon Spring, MO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Robert did a great job in checking out my furnace that wasn't operating and provided me with the next steps I needed to take with the gas company. I can't say enough good things about Robert. He was so extremely helpful and informative. I'm a delighted customer and am glad I have Dunn for my heating and cooling needs."
Additional Photos
Response time2 days
15 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Super Handy Man, LLC
Super Handy Man, LLC
4.9(
141
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceWater Heater - Install or Replace - For Business+1 more

Serving Weldon Spring, MO and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"We had a difficult plumbing situation and Donald figured out how to work around it without having to create more home repairs for us. He is a rock star and is very knowledgeable in plumbing and even noticed another issue we needed fixed that could have gone unnoticed and would have been a water issue in no time...."
Response time5 hrs
Response rate87%
9 neighbors recently requested a quote
Avatar for KIRKWOOD PLUMBING INC
KIRKWOOD PLUMBING INC
4.3(
98
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Weldon Spring, MO and surrounding areas

Approved

In business since 1987

Emergency services offered

Warranties offered

"Kirkwood Plumbing was very responsive, sending a highly qualified technician within 24-hours. He did an incredible job replacing old cast stacks and vents to our 2nd floor bath. The further comment that I would make is they are not cheap. I'm still trying to reconcile their cost for a 7-8 hour job, but the results couldn't be better."
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+3

2 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for On Time Experts
On Time Experts
4.8(
104
)
Electric Furnace / Forced Air Heating System - RepairFaucets, Fixtures and Pipes - Repair or ReplaceGas Furnace / Forced Air Heating System - Repair+2 more

Serving Weldon Spring, MO and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

When your home needs help, count on the team that does Whatever It Takes to make it right. On Time Experts Heating, Air & Plumbing, formerly Hosack Plumbing, Heating & Cooling, now brings together the experience of Hosack and Al-Don. We provide trusted heating, cooling, plumbing, and air and water quality services throughout O’Fallon and the Greater St. Louis area.

Recommended by97%of homeowners
Avatar for Liberty Heating & Cooling
Liberty Heating & Cooling
4.8(
46
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+31 more

Serving Weldon Spring, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Emergency services offered

Warranties offered

"Sam drove out over an hour, late in the evening, to examine our water heater. He found it to be unusable and immediately drove to Home Depot for a new water heater and regulator. It took him less than an hour to install so we could be comfortable and have hot water again. He left our home late with a long drive home. He was extremely knowledgeable, professional and helpful. We would call him again with any plumbing needs."
A/C replacement
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+10

6 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
4.7(
593
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Weldon Spring, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"This company was extremely responsive and professional.  Marc was very knowledgeable and worked hard to get warranty coverage for my repair and to get my family back in our home quickly, as we had to leave due to no a/c during a heat wave. I met with him at 11:00 and there was a new unit installed by 4:00 that afternoon.  I would highly recommend this company."
Old boiler being removed
A Manual-J load calculation is performed to determine the precise amount of heating and cooling needed for each space.
Installing a Mitsubishi Hyper Heat Mini Split System to Heat and Cool this Sunroom Addition.
Mitsubishi outdoor unit installed on rooftop to heat and cool 3rd floor of this St. Louis City home.
Daikin FIT Heat Pump Installed in University City Home

+106

Response time2 days
3 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Fresh Air Heating & Cooling
Fresh Air Heating & Cooling
4.8(
277
)
Gas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+43 more

Serving Weldon Spring, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"This company was excellent all the way around. The staff member who contacted me was very nice and helpful. They were able to come out the same day (I did not have heat). They sent me a text message with a picture of the technician which I thought was an excellent feature. The technician, Jeff, was very nice and extremely knowledgeable. I would definitely hire them again because the work was top quality and the cost was fair and reasonable."
Fresh Air Van
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+2

14 neighbors recently requested a quote
Recommended by92%of homeowners
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Plumbing Heating Companies FAQs, answered by experts

Most of the time, the answer is yes, but with an enormous asterisk. While an increase in iron deposits isn’t likely to harm you if consumed, that doesn’t mean you should drink any brown water from your faucets. In our book, it’s better to be safe than sorry and opt for bottled until the issue is resolved.

You can use a water gauge to check that water pressure, which should be between 40 and 60 PSI. If you don’t have a water gauge, you can also time how long your showerhead takes to fill up a 1-liter container. If it takes longer than 6 seconds, you’re dealing with a case of low water pressure.

A running toilet is not a plumbing emergency, but you will want to try some DIY fixes or call in a plumber to prevent wasting gallons of water. The three most common causes of a running toilet are a broken or dirty flapper, an incorrectly sized chain between the flush lever and flapper, or a float that is out of position.

Water pressure for residential homes falls between 40 and 60 pounds per square inch (PSI). This range works well for everyday water use in most households. And while some homes have water pressure higher than 60 psi, once the pressure reaches 80 psi or more, it can lead to increased wear and tear on your plumbing system.

Applying drain cleaner is a common DIY solution to clogged drains, but it can be extremely harmful to your pipes and lead to corrosion and leaks. It is almost always better to try snaking a clog than using a drain cleaner, but the best solution is to hire a professional plumber. They can locate the clog and gauge the severity using a camera system and then decide if using a plumber’s snake, auger, or drain cleaner is the best option to remove the clog and limit damage to your plumbing system.

The Weldon Spring, MO homeowners’ guide to plumbing and heating services

From average costs to expert advice, get all the answers you need to get your job done.