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Avatar for D & R Heating & Air
D & R Heating & Air
4.8(
9
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+2 more

Serving Duncan, OK and surrounding areas

Approved

In business since 1981

Free estimates

Warranties offered

"Our appointment was fir between 9am - noon. He called sbout 8:30am to say he was on his way. He arrived just after 9am. He was nice, friendly and courteous. We just wanted our furnace cleaned and inspect. He did the job and told us our furnace was in great shape. He didn't try to uosell us on anything. I would recommend D&R HEATING AND AIR."
Tips & best bets
Tips & best bets
Tips & best bets
Tips & best bets
Tips & best bets

+40

Response time9 hrs
29 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for All Tech Air Conditioning
All Tech Air Conditioning
3.9(
12
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Duncan, OK and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Josh was the tech that came out. He was very professional and clean. He was courteous and on time. He spoke clearly about what was going on with the A/C. He had everything he needed right then and there to find out what was wrong. Also, the problem should be fixed in about 2 days which is super fast compared to my experience with other repair companies. I would defiantly recommend."
New A/C Install
New 3 ton system
New 3 ton system
New 3 ton system
Spring maintenance on an air conditioner

+10

Response time8 hrs
Recommended by57%of homeowners
Avatar for L & L Housekeeping Service
L & L Housekeeping Service
New to Angi
Air Ducts & Vents - Clean

Serving Duncan, OK and surrounding areas

Approved

I've been a housekeeper for over 20 years. I have done residential and commercial cleaning as well as move outs and post construction clean up. I pay attention to detail and get the job done in a timely manner. I am a registered nurse and I work part time.

alliance group inc
New to Angi
Air Ducts & Vents - Clean

Serving Duncan, OK and surrounding areas

Approved

Family-owned & operated general contractor in Frisco, TX – serving the DFW and surrounding areas for 20+ years. We handle residential or commercial remodeling, interior and exterior roofing, fencing even any additions. With prompt/clear communication, honest pricing, and quality craftsmanship. Licensed, insured with an A+ BBB rating.\n\nI look forward to helping you with any rehab or construction projects, thank you!

Avatar for Liberty Air Services
Liberty Air Services
4.8(
16
)
Central A/C - InstallCentral A/C - Install - For Business

Serving Duncan, OK and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Absolutely thankful for this company! When requesting at quote at 930pm and receiving a call within a few minutes and getting someone out the very next day was amazing! We had a major mess up from someone else and they were able to come out and get everything fixed within 24 hours. 100% recommend this company for any heating and air services . We got my minisplit installed within just a few hours. We are beyond satisfied!!"
Lennox
New Armstrong Air Handler
New Lennox furnace
New Trane Condenser
New Trane Condenser

+10

Response time7 hrs
Recommended by83%of homeowners
Avatar for J & J Burk Mechanical Contractors, Inc.
J & J Burk Mechanical Contractors, Inc.
4.8(
92
)
Air Ducts & Vents - CleanDuctless Mini-split A/C - Install or Replace

Serving Duncan, OK and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"This job is to fully replace furnace, air conditioning and ductwork plus adding additional cooling. Signed the contract on Tuesday morning and six hours later, my compressor gave up the ghost. Called J&J Burk representative, and they arranged a service call early the next day at my request. Confirmed the compressor had blown up and installed temporary AC units in two rooms to tide us over. In addition, the main project was scheduled for Monday, 30 March but the contractor offered to start the next day, Thursday 26 March. The work has moved along very smartly and I would give them a SIX on a scale of Five. The technicians are skillful, courteous and keep me informed at all times as to the progress. Looks like the estimated 5 work days will shrink to four, but not certain. Still, I am VERY impressed with this contractor and would recommend them any time. This is from a retired Civil Engineer who used to write contracts and specification for this sort of work at a nearby Air Force Base. This work is top-notch."
Response time2 days
Recommended by93%of homeowners
Showing 1-10 of 49
Air Conditioning questions, answered by experts

Most HVAC surge protectors last about three to five years, depending on how often your home experiences blackouts or brownouts. If your unit is susceptible to more frequent electrical surges, consider replacing your surge protector every two years. Consult your HVAC professional to determine when and how often to replace your HVAC surge protectors.

Window ACs use 500 to 1,400 watts per hour of electricity, while mini-splits use 500 to 700 watts per hour. However, if you need to cool multiple zones in your house, your mini-split can use as much as 2,000 watts per hour. How often you run your system will impact how much electricity you use (and how much you pay per month).

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.

Freon will go in the refrigerant lines near the back of your AC unit. Look for small ports with caps on a thin copper line—the Freon goes into those ports. You are best off hiring a licensed HVAC professional who can complete the job safely and correctly.

The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don’t have existing ductwork, it’s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit. 

The Duncan, OK homeowners’ guide to air conditioning services

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