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Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
4.7(
593
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Overland, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"We found SmartHouse almost by accident while looking for solutions to what turned out to be botched previous AC installation by a much bigger and more established company who we had trusted to do a decent job. Instead we ended up with a system that wouldn't cool the house. Smarthouse first correctly diagnosed the problem, then fixed it, and advised us on how best to heat and cool our 100+ old house. We now have a service contract with them for regular maintenance and they recently installed a mini-split for us. Their techs are great. Just the sort of people we would feel comfortable leaving alone in the house to finish a job if necessary."
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

4 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Dunn Heating Air Conditioning and Plumbing
Dunn Heating Air Conditioning and Plumbing
4.7(
273
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Overland, MO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Excellent! I love JT Dunn Heating and Cooling. We selected them out of 5 different contractors to install our brand new furnace and conditioner in 2017 and we hadn't had a problem since. We just had a 3 year tune-up and nothing was wrong and the ac is quietly humming away outside. Thanks to employee Robert Fitzgerald for coming out today and doing a awesome job and keeping us as customers!"
Additional Photos
31 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Redbird HVAC LLC
Redbird HVAC LLC
4.9(
57
)
Central A/C - Install

Serving Overland, MO and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"I can not recommend Jedediah and his company enough. He came out within a day, made short work of repairing my furnace, and the cost was more than reasonable, cheap in fact. His customer service was beyond compare. If you need anything for HVAC, definitely give this company a call."
Carrier Furnace
2 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Hosack Plumbing Heating & Cooling
Hosack Plumbing Heating & Cooling
4.8(
344
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Overland, MO and surrounding areas

Approved

In business since 2009

Warranties offered

Credit card accepted

"Excellent - As on his previous service call two weeks ago, Darrin was very prompt, courteous, and happy to answer my many questions. The two outside freeze-proof faucets needed to be replaced because of their age and poor condition. I provided Darrin my copy of the estimate he wrote up for me on my prior service call (he said he didn't have a copy of it on his current work order), and he honored it as promised, letting me use my $50 credit (I had previously purchased a discounted Plumbing Service deal from Angie's List for $39.00). Darrin was able to complete the entire job in about an hour and with minimum disruption to everyone home when the water was turned off. Also, as previously promised by Darrin, I was not charged for an additional service call since I had him look at the faucets during the previous service call, but he didn't have time during that service call to replace them. In addition to replacing the two faucets, he also installed shut-offs on each water line inside of the house near each faucet."
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+2

8 neighbors recently requested a quote
Recommended by93%of homeowners
McKenny Services
4.9(
38
)
Central A/C - Service or Repair

Serving Overland, MO and surrounding areas

Approved

In business since 2010

Credit card accepted

Customers say: Quick response

"Terrell called right away and was at my home very short order. 30 minutes later my AC was as good as new (well at least as good as a nearly 20 yo machine can be) and the house was back in cool mode. Highly recommended, very fair price and if needed he will be my first call."
Response time4 hrs
Response rate92%
11 neighbors recently requested a quote
Avatar for All American Appliance Service Inc
All American Appliance Service Inc
4.5(
528
)
Central A/C - Service or Repair

Serving Overland, MO and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

"They arrived on time, they quickly identified the problem and luckily they had the needed part in their truck. They quickly installed the part and the refrigerator was back in working order. The repairman was friendly, efficient and knew what he was doing."
Additional Photos
3 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Local Air Duct Pros
Local Air Duct Pros
4.5(
15
)
Air Ducts & Vents - Clean

Serving Overland, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"Thank you for your trust! At Local Air Duct Pros we specialize in professional air duct cleaning, dryer vent cleaning, chimney sweep, and attic insulation. Our licensed and insured team is committed to providing top-quality service at fair prices. We appreciate your support and look forward to serving you again!"
Response time10 hrs
35 neighbors recently requested a quote
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Air Conditioning questions, answered by experts

It is normal for the attic to be hotter than the rest of the house in the summer, but only by about 10 or 20 degrees. Attics that aren’t properly insulated or ventilated can reach temperatures of 130 degrees or more which can cause damage to the home’s structure, including the roof, wood framing, and HVAC system.

A calculation method that your HVAC contractor will use to ensure your system does what it's supposed to is measuring duct output, or its CFM. The calculation requires knowing the cross-sectional area of the ductwork and determining the air speed past any given point within it.

The right type of HVAC system will depend on several factors, including your climate, budget, preferences, and existing HVAC setup. For example, if you live in an area that experiences extreme weather, then a split system would likely be the best option. Or, if budget is a concern, consider installing a ductless system in just one room.

There are many recognizable symptoms of AC compressor failure. They include loud banging noises, hot air being continually circulated in your home despite running the AC at full blast, uneven airflow and cooling, and electrical issues like constant surges due to the compressor working overtime. While some of these symptoms, like uneven cooling, can have other root causes, they are common indicators of compressor problems.

Water buildup in your HVAC system is a cause for alarm. If water accumulates in your ductwork, it can drastically lower your home's air quality and create safety hazards. These risks include mold growth, damage to your HVAC system, and attracting pests that are seeking water into your ducts. Proper insulation and sealing of ducts can prevent this, and regular inspection and maintenance can address water damage problems before they become too severe.

The Overland, MO homeowners’ guide to air conditioning services

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