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Avatar for No-Frost Air Conditioning & Heating, LLC
No-Frost Air Conditioning & Heating, LLC
4.7(
411
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+6 more

Serving Lisbon, MD and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"This is an excellent company. We have used them for year to service our heating and air conditioning units. It became necessary to think about replacing the units. We have two. Decided to replace both at the same time. They came out on a Monday and gave us an estimate and came out on Thursday and Friday to do the work. They totally cleaned up after themselves and made sure everything was working properly. Then they called a few days later to see that everything was working well. I highly recommend this company. All the technicians are polite and competent. The office staff is nice beyond belief. If you need any heating/AC work done, this is the company to do it."
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Response time9 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for Tim Kyle Electric Heating & Cooling
Tim Kyle Electric Heating & Cooling
4.9(
370
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+12 more

Serving Lisbon, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Emergency services offered

Warranties offered

"Nick Bull of Tim Kyle HVAC did an awesome job. Diagnosed the problem quickly, performed the service, explained everything clearly and all at a reasonable price. I entered into a service contract and scheduled mote maintenance work for next week. Highly recommend the Company in general and Nick specifically!"
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+17

Response time1 day
Response rate100%
25 neighbors recently requested a quote
Avatar for Buric Heating and Air Conditioning
Buric Heating and Air Conditioning
4.7(
20
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+4 more

Serving Lisbon, MD and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Everything went great. My AC died and it was close to 20 years old so I wanted the whole unit replaced. I have 4 young kids so no AC in the summer was not a pleasant option. The owner came out on site the day we called and was able to have the new unit installed the next day. I have dealt with many HVAC companies in the past as an Insurance Adjuster. These guys exceeded my expectations and were very reasonable on price. I highly recommend using Buric Heating and Air Conditioning!"
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+7

Response time8 hrs
Recommended by90%of homeowners
Avatar for Beltway Air Conditioning, Heating & Plumbing
Beltway Air Conditioning, Heating & Plumbing
4.6(
120
)
Central A/C - Service or RepairCentral A/C - InstallCentral A/C - Install - For Business+5 more

Serving Lisbon, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"First thing made really impressed me with Ryan during bid process, I originally wanted a traditional system, last minute decided to switch to a split system and he said "No Problem!" Immediately showed his licensing and credibility with Home Advisor and provided information on warranties right away. The process has been amazing. Extremely easy to work with, on time, gave a time frame on how long it will take and got the job done quicker that expected. Left my house in pristine condition and went over and beyond with everything they did. Extremely happy!"
Brazing
XC25
XC25
Our Team!
Response time1 day
66 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Tetteris HVAC
Tetteris HVAC
4.7(
192
)
Central A/C - InstallCentral A/C - Service or RepairCentral Humidifier - Install or Replace+1 more

Serving Lisbon, MD and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"After several years of shoddy furnace repairs, replacements and guesswork from our propane provider, I decided to find another service. I quickly got a call back and appointment from Tetteris Heating and Air. After a brief diagnostic, Greg Shaeffer almost immediately assessed the problem was a malfunctioning gas valve. After replacing and converting the valve, he discovered that the old valve had not been installed or converted properly by the previous company. Greg was very professional, helpful, friendly and didn't mind answering any questions I had. I couldn't be more satisfied with the work and service that Tetteris provided. Highly recommended!"
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4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
950
)
Central A/C - Service or RepairCentral Humidifier - Install or ReplaceCentral Humidifier - Repair or Service

Serving Lisbon, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Mr Isak fix my air conditioning Outside unit and performed a system check. During the service check he found the installation booklet inside the unit which could have caused additional problems. Mr Isak was very professional and had a great personality. I would definitely recommend this company to anyone looking for service."
NEW INSTALL
CLEANING COILS
CLEANING COILS
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+118

Response time5 hrs
271 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Heil Plumbing & Hvac
Heil Plumbing & Hvac
4.9(
252
)
Central A/C - Install

Serving Lisbon, MD and surrounding areas

Approved

In business since 1975

Free estimates

Emergency services offered

"We had a leak in the underground water supply line (polyblue) running from the County connection valve in the front yard to our townhouse. When I noticed the problem, the water was going all over the neighbor's yard. I called Heil Plumbing around 5:30PM that day and though their office was closed, I dialed their  emergency contact number and reached Tom. He gave me the County utilities emergency number to call to get the service turned off, and that he will call back with a time for someone to come out. He then called  back within a half hour to say Mr. Heil would be able to come that  evening to give an estimate. Mr. Heil drove up around 7PM and gave me an estimate that was about two-thirds of what my immediate neighbor was quoted for the same issue about 6 months ago - to replace the existing leaking polyblue line with 3/4" copper, which was the best option rather than trying to repair the polyblue, which would only leak again. We had about 25 feet of line to replace, at a depth of about 5-6 feet. He also said at the time that the quote would be $700 more if they had to break/replace the concrete porch. I asked him to go ahead and complete the work as soon as possible since we were without water by then. Mr. Heil stated that they would be able to come out the next morning by 8AM at the latest.
The next morning at 7:45AM a crew of three arrived with a backhoe, dump truck, plumbing truck and air compressor (I assumed for a jack hammer if they had to break up concrete and for tamping soil). They had a contract written up for the exact quote given earlier. Once I had signed, they hand dug two small pits, one by the house foundation, the other by the County meter valve. They used plywood sheets to put the excavated soil on, which saved the rest of the yard grass.  Luckily for me they didn't have to break any concrete. They located the two ends of the leaking polyblue line, pulled a steel cable through it, and then using the backhoe bucket and some equipment, pulled through the new copper line while pulling out the old plastic line. Then the new copper line was connected to the copper line coming out of the house and to the meter valve box. They then turned on the water and checked all the inside faucets. The kitchen faucet sprayer head was somehow blown out by the air being forced out when they turned the water on, and they replaced that free of charge. They then filled in the soil, compacting soil lifts with a tamper as they should, seeded and mulched the top of the disturbed area, and cleaned everything up. Took away a little bit of extra soil. Everything was done by 12.30 PM. They charged only what they had estimated, and like I said before, even replaced a faucet piece that came off when the water was turned on, free of charge. I was very impressed with the professionalism, promptness and quality of work shown by Joseph Heil Company, and recommend them very highly. I not only saved almost $1000 because their fee was low, I also saved a few hundred more I would have had to spend on hotel rooms if they had not been so prompt.
"
Response time9 hrs
17 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for SPECS Heating & Cooling
SPECS Heating & Cooling
4.8(
17
)
Central A/C - Service or Repair

Serving Lisbon, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"I recently had SPECS Heating & Cooling install an AprilAire humidifier for me, and I couldn't be happier with the results. From start to finish, their service was exceptional. The team was professional, knowledgeable, and efficient, ensuring that the installation process went smoothly. Since having the humidifier installed, my indoor air quality has significantly improved, and I've noticed a positive difference in the comfort of my home. I highly recommend SPECS Heating & Cooling for their top-notch service and expertise in HVAC solutions. Five stars all around!"
Response time5 hrs
16 neighbors recently requested a quote
Recommended by50%of homeowners
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Showing 1-10 of 362

FAQs for air conditioning projects in Lisbon, MD

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Lisbon, MD homeowners’ guide to air conditioning services

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