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TRUSTED BY CARMEL, IN HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon8.1k+
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Carmel

Hoff Heating & Air Conditioning
4.8(
63
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Carmel, IN and surrounding areas

Approved

In business since 1991

Credit card accepted

Customers say: Super punctual

"I have been using Mike as my Heating and A/C guy for 17 years and he is awesome! He is very personable, professional, knowledgable, and reasonably proced. He has never tried to sell me anything I don't need (like some others I dealt with). I have also used him for emergencies (water heater) and he has been there when I needed him."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Roy Rogers Heating and Air LLC
Roy Rogers Heating and Air LLC
4.8(
57
)
Central A/C - InstallCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Install+47 more

Serving Carmel, IN and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Furnace failed on Sunday, New Year's Eve, below zero temps - doesn't it figure? Found Roy's company here on Angie's List and Roy himself came to our home, found the problem and went SEVERAL extra miles (literally!) to make sure that we had heat that evening! No extra charge in spite of it being a Sunday and a holiday. We found Roy to be caring, personable and obviously knows his stuff. We will be definitely be calling Roy Rogers Heating & Air for our future HVAC needs!"
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Tracy Miller
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Response time2 days
Response rate100%
9 neighbors recently requested a quote
Avatar for Advanced Duct Cleaning, LLC
Advanced Duct Cleaning, LLC
5.0(
22
)
Air Ducts & Vents - Clean

Serving Carmel, IN and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Scott was absolutely incredible from the first communication to the final steps in the process. My husband is in HVAC and was blown away by his knowledge and expertise. We have zero complaints and would recommend this company to anyone!"
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+19

Response time8 hrs
Response rate97%
20 neighbors recently requested a quote
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Heating and Air Conditioning questions, answered by experts

When your HVAC technician mentions recharging your home AC unit, they’re referring to the process of topping off the unit with refrigerant, so the levels are properly maintained and pressurized. Normally, a properly functioning AC unit doesn’t need additional refrigerant, but AC units can develop leaks or other problems that decrease the amount of refrigerant needed.

Keeping your air filter clean is crucial for your heat pump's efficiency. As a general rule, you should check your air filter every 1 to 3 months. However, the actual frequency might vary depending on factors like the type of filter, indoor air quality, and the amount of dust and debris in your area. If you notice the filter is visibly dirty or clogged, it's a clear sign it needs attention sooner. Regular filter maintenance ensures proper airflow and helps your heat pump perform optimally, keeping your indoor air fresh and comfortable.

Indications of an HVAC problem include inconsistent heating or cooling throughout your home, unpredictable temperature changes, or inadequate air flow from vents. Abnormal sounds such as grinding, banging, or hissing, and unpleasant smells like mustiness or burning are also potential warning signs. A rise in energy costs without an increase in usage may also imply decreased efficiency. An HVAC system that frequently cycles on and off or cannot maintain a stable temperature is malfunctioning.

Here’s how AC professionals will clean your AC coils:

  1. Unplug the AC unit or turn off the breaker to the unit in your circuit breaker box.

  2. Remove the faceplate.

  3. Spray a vacuum hose attachment or compressed air can to remove debris, dust, dirt, and grime.

  4. Use a soft-bristled fin comb to remove stubborn caked-on debris.

  5. Use the vacuum hose to suck up any extra debris.

  6. Take a coil-safe cleaning solution and spray it onto the coils. Try to choose a no-rinse solution.

  7. Let the solution sit for at least 15 minutes.

  8. Gently wipe away loosened grime and debris with a microfiber cloth.

  9. Reattach the faceplate, plug in your AC system, or turn the breaker back on.

The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, or ASHRAE, sets the standard guidelines for air changes per hour in homes and businesses. The International Residential Code, or IRC, also sets ACH requirements for residences and bases those requirements off of ASHRAE standards plus climate specifics related to your location.

The Carmel, IN 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.