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TRUSTED BY COLUMBIA, VA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon76
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Columbia

Old Dominion Heating and Air LLC
5.0(
15
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Boiler or Radiator Heating System - Repair - For Business+9 more

Serving Columbia, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"We had excellent service from Old Dominion Heating and Air Conditioning. He called us within in minutes of receiving our request for service. He was out the very next day. Found the problem went over every detail with us. We had 3 other technicians come out from different companies and none of them could find the problem but they didn't even take the cover off to look at the inside of the Mini Split. Old Dominion gave us a fair price to fix the unit and they ordered the parts and had the work done the day after parts arrived. We can say we are more than pleased with their service and would highly recommend them. They went above and beyond to find the problem. Great Job and very polite."
Response time6 hrs
Response rate86%
14 neighbors recently requested a quote
United HVAC Mechanics LLC
New to Angi
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+8 more

Serving Columbia, VA and surrounding areas

Approved

Emergency services offered

Warranties offered

Offers commercial services

Detail-oriented HVAC Sheet Metal Mechanic and Sub-Contractor with 15+ years of experience in ductwork installation and mechanical systems. Proven expertise in reading blueprints, performing layouts, and ensuring compliance with building codes. Skilled in managing projects and leading teams, with a strong focus on quality and customer service. Holds EPA Type II certification and possesses a comprehensive understanding of HVAC systems, ready to tackle new challenges in the industry.

Robertson Electric
New to Angi
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+10 more

Serving Columbia, VA and surrounding areas

Approved

In business since 1968

Free estimates

Credit card accepted

At Robertson Electric, we're proud to serve our community, and we look forward to keeping you comfortable for many years. With a dedication to excellence and customer satisfaction, our professional team provides award-winning service in heating, air conditioning, electrical, plumbing, and indoor air quality in Charlottesville, Virginia, and surrounding areas.\n\nOur founder, Bill Robertson's vision of delivering exceptional service at a reasonable rate has guided us for over 50 years. As one of the largest full-service companies in the area, we take pride in serving long-standing customers, ensuring their homes are comfortable year-round.\n\nWe believe in customer service, guaranteed satisfaction, and a commitment to quality. Our expert technicians handle every job with precision and care to ensure the best service and customer experience possible.\n

Avatar for International Mechanical Inc
International Mechanical Inc
New to Angi
Thermostat - Repair or Reprogram

Serving Columbia, VA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

International Mechanical, Inc. is a licensed and insured HVAC contractor providing residential and light commercial heating and air conditioning services. We specialize in HVAC installation, replacement, repair, and preventive maintenance for air conditioners, heat pumps, furnaces, air handlers, thermostats, ductwork, and indoor air quality systems. Our experienced technicians are committed to delivering reliable workmanship, honest recommendations, and exceptional customer service. Whether you need AC repair, heat pump service, furnace maintenance, refrigerant leak detection, duct modifications, condensate drain cleaning, or a complete HVAC system replacement, we provide efficient, cost-effective solutions to keep your home or business comfortable year-round. We take pride in quality work, fair pricing, prompt service, and customer satisfaction on every project.

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Heating and Air Conditioning questions, answered by experts

Yes. Return air vents are responsible for gathering and pulling in the warmer air. Once they draw it in, your system conditions the air by removing the warmer molecules from it, allowing your air conditioner to dispense the cooler air back into your home. Not only does this create a more comfortable environment for you, but it also keeps your air conditioner from overworking, resulting in lower energy bills. 

During the summer, it’s best to set your AC to 78 degrees when you’re home and awake, according to the Department of Energy (DOE). For better energy efficiency, raise the temperature slightly to 85 degrees while you’re out of the house. The National Sleep Foundation advises lowering your thermostat to between 60 and 67 degrees when you’re asleep.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

Yes, having mismatched evaporator and condenser coils in your AC system can lead to serious issues. For instance, it can result in higher monthly energy costs as the system runs longer to compensate for the mismatch. This mismatch can also put extra stress on the system, compromising its efficiency and longevity. 

Along with that, mismatched coils can lead to higher temperatures and humidity levels in the home. What’s more, using coils of different sizes may violate the manufacturer's warranty, as they are designed to work synergistically, and any mismatch could lead to repairs and system failure.

Replacing an HVAC system does not always include new ductwork. The decision depends on the condition of your existing ducts. If they are in good shape, correctly sized for the new unit, and meet current standards, they can often be reused. However, if the ducts are damaged, poorly designed, or improperly sized, they will likely need to be replaced or upgraded to ensure the new system operates efficiently. An HVAC contractor will assess your ductwork and recommend the best course of action. Typically, ductwork is purchased separately, and a full replacement will add to the overall project cost.

The Columbia, VA 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.