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TRUSTED BY CORTLAND, OH HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon66
    Verified heating and air conditioning services reviews

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

Avatar for Ruddy Ducts & Maintenance, LLC
Ruddy Ducts & Maintenance, LLC
4.7(
88
)
Air Ducts & Vents - CleanCentral A/C - Service or Repair

Serving Cortland, OH and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Ruddy Ducts called me the same day to set up an appointment for them to evaluate my AC unit. Discussed fee up front. JOSH returned within hours to repair the AC unit to working condition. Very courteous and professional in my opinion. I would definitely recommend them for HVAC services."
Response time1 day
6 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Monthly Upkeep
Monthly Upkeep
4.7(
133
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Cortland, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"The work went very well. 2 technicians came out. They were respectful of our home (brought their own home slippers). They clearly knew what to do. Took the old fan down quickly and get the new one installed quickly as well. Definitely can recommend."
Stunning composite deck build
Siding Replacement
Framing
Satisfied Customer
Landscaping/Yardwork

+70

Response time2 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Gault Heating Inc.
Gault Heating Inc.
5.0(
5
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+8 more

Serving Cortland, OH and surrounding areas

Approved

In business since 1956

Free estimates

Emergency services offered

Family-owned and serving Northeast Ohio and Western Pennsylvania since 1955, Gault Heating & Cooling provides professional HVAC repair, installation and maintenance for homes and businesses. Our experienced team services furnaces, boilers, central air conditioning, heat pumps, ductless mini-splits, thermostats, ductwork, indoor air quality systems and water heaters. We offer same-day and emergency service, transparent pricing, financing options and a 2-year warranty on repairs. As a Lennox Premier Dealer, our highly trained technicians are committed to honest recommendations, quality workmanship and treating every home like our own.

Gault Heating Inc.
Gault Heating Inc.
Gault Heating Inc.
22 neighbors recently requested a quote
Avatar for Friesen Family Renovations, LLC
Friesen Family Renovations, LLC
4.7(
45
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Cortland, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Chris with Friesen Family Renovations, LLC was very professional and thorough in the work he has completed. He installed a new screen door, replaced my tub stem and faucet, repaired my subfloor in the kitchen and installed brand new LVP flooring to replace old and water damaged flooring. He also mounted a television for me, and did some drywall repairs as well. I would recommend this business to anyone looking for quality and dependable work!"
Response time2 days
Response rate98%
1 neighbors recently requested a quote
Avatar for Agk cleaning services
Agk cleaning services
New to Angi
Air Ducts & Vents - Clean

Serving Cortland, OH and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

AGK Cleaning Services 🧼✨\n\nAt AGK Cleaning Services, we take pride in making your home or business feel fresh, clean, and comfortable! We provide dependable, detailed cleaning services tailored to your needs.\n\n✨ Residential Cleaning\n✨ Deep Cleaning\n✨ Move-Out Cleaning\n✨ Airbnb/Vacation Rental Cleaning\n✨ Commercial Cleaning\n✨ Common Area Cleaning\n\nWhether you need a one-time deep clean or dependable recurring service, we’re here to help! We focus on quality, attention to detail, and customer satisfaction every time.\n\n📞 Call/Text: 440-413-9817\n📧 [email protected]\n\nLet AGK Cleaning Services do the cleaning, so you can enjoy a cleaner space! 🧽✨

25 neighbors recently requested a quote
Avatar for Above and beyond professional services
Above and beyond professional services
New to Angi
Air Ducts & Vents - Clean

Serving Cortland, OH and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

At Above and Beyond Professional Services, we take pride in helping you create a cleaner, more comfortable space. Serving New Castle and surrounding communities, we offer deep cleaning, routine cleaning, move-in and move-out cleaning, organizing, and cleanouts. From kitchens and bathrooms to neglected spaces that need extra care, we pay attention to the details and tailor each job to your needs. You can expect friendly service, clear communication, and respect for your home and belongings. Whether you need a one-time cleanup or ongoing help, we’re ready to go above and beyond for you.

Deep clean
Deep clean
Deep clean
Deep clean
Deep clean

+6

1 neighbors recently requested a quote
State Heating and Air Conditioning, Inc.
4.5(
334
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceElectric Boiler or Radiator Heating System - Repair+10 more

Serving Cortland, OH and surrounding areas

In business since 1950

Free estimates

Emergency services offered

"Very impressed with his expertise with HVAC. He's the kind of guy you want to come out and diagnose your problem. He has the kind of mind to solving your problem and not interested in just selling you a unit. He comes in to service and is looking out for the customer."
Response time4 hrs
Recommended by97%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

The average cost to replace or install a new HVAC system is around $7,500. However, the price can range from $5,000 to $12,500, depending on factors like the size of your home, the type and brand of the unit, and your specific heating and cooling needs. If you only need to replace certain components, the cost will be lower; for example, a new AC unit can cost between $2,200 and $5,500, while a new furnace costs $3,200 to $6,000. If additional work like new ductwork is required, the total cost could be as high as $22,000. It's best to contact a local HVAC company for an accurate quote.

While it is possible to add Freon to your AC unit yourself, it is not recommended. In fact, the U.S. Environmental Protection Agency (EPA) prohibits the handling of Freon without a license. Freon is a dangerous gas that can cause irreversible damage to your AC or yourself if not installed correctly. It is worthwhile to hire a professional to add Freon to your AC.

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

Yes. Your air supply should be balanced. The return and supply ducts need to maintain that balance, and this only occurs because an equal amount of air should be entering and leaving your HVAC system. Changes in pressure, extreme weather, and blocking vents with furniture or your stuff can make the air supply unbalanced and cause your home to get too cold or hot.

To keep your air conditioner in good working condition, you should have it serviced by a professional at least once per year, ideally in the spring before the cooling season begins. If your AC unit is 10 years or older, consider servicing it twice a year (once in the spring and once in the fall) to catch potential problems early and help it reach its full lifespan. During a service visit, a technician will inspect, clean, and replace parts as needed. Regular maintenance helps avoid costly repairs. As a DIY task, you can also clean the evaporator coils annually.

The Cortland, OH 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.