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    Average homeowner rating
  • Verified reviews icon22
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Mineral Point - Updated Nov 2026

Avatar for Randolph Electrical Contracting
Randolph Electrical Contracting
4.9(
41
)
Electrical Baseboard or Wall Heater - InstallElectrical Baseboard or Wall Heater - Repair

Serving Mineral Point, MO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Very pleased with this contractor and the cost and quality of their work. Upgraded my panel to 200 Amp service, split an overloaded circuit, and ran a line set for an HVAC project. Max and his team are real pros. The cost estimate was fair and accurate. After initial review of the project, we made a few changes on job day, and these were accomplished with zero problems. Their coordination with the electric co-op was also flawless and the job was accomplished on time and within the cost estimate. They even gave me a $100 credit for the removed 100 Amp panel. I plan to hire them again to wire an existing out building on my property. If you need electrical work, call them!"
400 amp Ameren meter base
Washer/Dryer Outlets
New Hot water Heater
Main Panel
Meter base and Mast

+2

Response time5 hrs
Response rate91%
11 neighbors recently requested a quote
J.W. Repair LLC
New to Angi
Central A/C - Service or RepairElectric Boiler or Radiator Heating System - InstallElectric Boiler or Radiator Heating System - Install - For Business+1 more

Serving Mineral Point, MO and surrounding areas

Approved

Hello, my name is James. I perform many handyman/repair services. I won’t charge near as much as large commercial businesses, and promise to be transparent and honest with my work. I’m positive if I can’t help you with your problem then I could point you in the right direction to help get your issue resolved asap quick as possible.

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Heating and Air Conditioning FAQs, answered by experts

Signs that your air conditioner capacitor is bad or failing include a range of symptoms. The AC unit may not turn on at all, or it might struggle to start before shutting down randomly or in the middle of a cooling cycle. You might hear a humming or banging noise when it attempts to start, or the compressor might hum without the unit actually running. Other indicators include a smell or smoke coming from the unit, the blower circulating room-temperature air instead of cold air, and an unexpected increase in your energy bills.

Professional HVAC installation requires licensed expertise in several areas, including electrical- and plumbing-related work. An HVAC team must know how to safely handle regulated refrigerant chemicals and the gas, oil, or propane used in furnaces and boilers. A proper HVAC installation protects your home from energy loss, fires, and even carbon monoxide leaks.

Assessing location for airflow, convenience, and minimal noise impact.

A home AC unit provides anywhere from one-half to five tons of cooling and requires approximately two to four pounds of refrigerant per ton of cooling. At approximately five to 10 minutes to fill one pound of refrigerant, a home that requires three tons of cooling will take about six to 12 pounds of refrigerant and approximately 30 minutes to two hours to completely recharge the unit.

On average, an AC unit lasts between 10 and 20 years. However, the specific lifespan depends on the type of unit, how often it's used, the local climate, and the quality of maintenance. Central AC units typically last 12 to 17 years, while window units have a shorter lifespan of 8 to 10 years. Portable AC units last about 5 to 10 years, and ductless mini-split systems can last up to 20 years. To extend the life of your AC unit, it's important to perform regular maintenance, such as replacing filters, cleaning coils, and scheduling annual professional tune-ups.

The Mineral Point, MO homeowners’ guide to heating and air conditioning services

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