• 제목/요약/키워드: Comfort level

검색결과 475건 처리시간 0.03초

노인의 비동거 자녀와의 결속력이 성공적 노화에 미치는 영향 (The Effect of Solidarity with Non-Cohabiting Children of the Elderly on Successful Aging)

  • 이수진;홍소형
    • 융합정보논문지
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    • 제11권7호
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    • pp.47-56
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    • 2021
  • 본 연구는 우리나라 노인의 성공적 노화에 영향을 미치는 요인을 파악하기 위해 시도된 이차자료분석 연구이다. 2018년 제7차 고령화연구패널 조사 자료를 이용하여 65세 이상의 노인 중 비동거 자녀가 1인 이상이고 연구 변수에 결측치가 없는 4,106명을 대상으로 하였다. 자료는 빈도분석, 교차분석, 독립표본 t검정, 이항 로지스틱 회귀분석으로 분석하였다. 연구 결과 노인의 성공적인 노화에 영향을 미치는 요인은 연령, 배우자 유무, 교육 수준, 주거 형태, 주관적 건강, 운동, 음주, 비동거 자녀와의 비대면 접촉 빈도로 나타났으며 설명력은 24.1%였다. 자녀 결속을 중심으로 노인이 성공적 노화를 영위하기 위해서는 자녀가 가까이 살고 자주 만나는 것보다 노인의 삶의 위로가 되고 관계의 연속으로 삶의 만족도를 높일 수 있는 비대면 연락 빈도가 중요하게 나타났다. 본 연구를 바탕으로 코로나19(COVID-19) 감염 우려로 인해 사회적으로 고립되어 있는 노인들의 성공적인 노화를 위한 다양한 전략이 필요하다.

노인의 라이프스타일 유형에 따른 노인복지관에 대한 만족도 연구 (A Study on the Satisfaction of Senior Welfare Centers by Senior's Lifestyle)

  • 이송현;어성신;황연숙
    • 디자인융복합연구
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    • 제15권3호
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    • pp.171-186
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    • 2016
  • 지속적인 노인인구의 증가와 고령화가 급속하게 진행되면서 지역 내 노인복지관은 지역주민의 다양한 욕구를 충족시키는 대표적인 서비스 공간으로 그 중요성이 높아지고 있다. 또한, 과거세대에 비해 높은 학력수준, 경제능력의 향상, 가치관과 라이프스타일이 변화됨에 따라 이전 세대와는 다르게 양질의 서비스를 추구하는 성향이 나타나고 있다. 이에 본 연구에서는 노인 연륜적 특성 지표인 라이프스타일 측정도구를 사용하여 노인의 라이프스타일 유형에 따른 노인복지관의 만족도를 분석하였다. 본 연구는 서울에 위치한 7곳의 노인복지관 이용자를 대상으로 설문조사를 실시하였다. 조사결과 첫째, 군집분석을 통해 라이프스타일 유형을 독립활동형, 보호활동형, 적극도전형, 소극도전형으로 분류하였다. 둘째, 노인의 라이프스타일에 따른 노인복지관의 전반적인 만족도는 보호활동형이 가장 높게 나타났으며 그 다음으로는 소극도전형, 적극도전형, 독립활동형의 순으로 나타났다. 셋째, 노인의 라이프스타일 유형별로 노인복지관의 공간특성이 만족도에 미치는 영향을 살펴본 결과 독립활동형과 소극도전형은 친밀성, 보호활동형은 쾌적성, 적극도전형은 편의성이 가장 영향력이 큰 것으로 조사되었다.

조건부가치추정법을 활용한 제주지역 해외수용력 연구 (A Study on Population Capacity in Jeju by Contingent Valuation Method)

  • 방호진;박영현;조장희
    • 무역학회지
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    • 제45권4호
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    • pp.137-152
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    • 2020
  • The increase in national income, the expansion of transportation network, the increase in leisure time, and the influx of foreign tourists in the era of internationalization, the influx of the outside population of Jeju region increased rapidly until 2020. However, the corona 19 (Covid-19) incident that began in January 2020 has hit the entire industry, and the tourism industry in Jeju has also been greatly damaged. However, in the second half of 2020, with some calming of the Corona 19 situation and difficult to leave overseas, the number of visitors to Jeju Island is increasing again as Koreans choose Jeju Island as their domestic tourism. This study analyzed the capacity of Jeju's external population based on the Contingent Valuation Method, and based on this, attempted to suggest policy recommendations for Jeju. The size of accommodations such as the density of visitors, toilets, and rest areas were excluded from consideration, and the level of securing the parking lot already exceeded the capacity, and the rate of securing the parking lot was 93.4%. In the case of accommodation, the total number of available rooms is 88,691, even if one guest per room is assumed, which is 32,372,215 per year, which is sufficient in terms of visitor capacity. To analyze the aspects of psychological capacity, this study analyzed whether the residents are feeling psychological discomfort through three methods of road congestion, garbage disposal, and sewage treatment through Contingent Valuation Method. However, the inconvenience caused by the increase of visitors and the effect of continuous population influx is working in combination, and it has the limitation that the effects of these independent factors cannot be specifically separated. As a result of the study, discomfort has already been recognized in terms of psychological capacity among the factors of capacity, and it was estimated that a cost of about 45 billion won per year was incurred as a result of deriving psychological costs through Contingent Valuation Method. In the future, a policy review is needed to resolve or maintain the perception of this discomfort through continuous management. Accordingly, it is necessary to recognize that the increase of visitors leads to the psychological discomfort of the residents, and to seek a policy alternative that can simultaneously increase the number of visitors and the comfort of the residence.

퇴원환자의 가정간호요구와 가정간호사업의 효과 분석 - 일 종합병원을 중심으로 (A Study of Home Care Needs of Patients at Discharge and Effects of Home Care -Centered on Patients Discharged from a Rural General Hospilal-)

  • 최연순;김대현;서미혜;김조자;강규숙
    • 대한간호
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    • 제31권4호
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    • pp.77-99
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    • 1992
  • The study was carried out at W. hospital, an affiliated hospital of Y university, involved a total of 163 patients who were discharged from the hospital between May 1990 und March 199J. Data collection was twice, just prior to discharge and a minimum of three months post discharge. Thirty patients who lived within a hour travel time of the hospital received home care during the three months post discharge. Nursing diagnoses and nursing interventions For these patients were analyzed in this study. The results of the study are summarized as follows : 1. Discharge needs for the subjects of the study were analyzed using Gordon's eleven Functional categories and it was found that 48.3% of the total sample had identified nursing needs. Of these, the needs most frequently identified were in the categories of sexuality, 79.3 %, health perception, 68.2 % self concept, 62.5 %, and sleep and rest 62.5 %. Looking ut j he nursing diagnosis that were made for the 30 patients receiving home care, the following diagnoses were the most frequently given; alteration in sexual pattern 79.3%, alterations in health maintenance, 72.6%, alteration in comfort, 68.0%, depression, 64.0%, noncompliance with diet therapy, 6.3.7%, alteration in self concept, 55.6%, and alteration in sleep pattern, 53%. 2. In looking at the effects of home nursing care as demonstrated by changes in the functional categories over the three month period, it was Found that of the 11 functional categories, the need level for health perception, nutrition, activity and self concept decreased slightly over the three month period. On the average sleep patterns improved, but restfulness was slightly less and bowel elimination patterns improved but satisfaction with urinary elimination was slightly less. On the other hand, role enactment, sexuality, stress management and spirituality decreased slightly. The only results that were statistically significant at the 0.05 level were improvement. in digestion and decrease in pain. No statistically significant changes were found in ability related to ADL, the total ADL Score at discharge was $19.78{\pm}8.234, and after 3 months $19.01{\pm}8.12$. Considering that a majority of the patients were over 60 years of age and that many had brain or spinal cord injuries, the fact that their ADL ability did nor deteriorate after discharge can be interpreted as related to a positive impact by the home health care nurses. Similarly there was a slight be not statistically significant decrease in the quality of life scores between the two lest times(l47.83 at discharge and 113.02 at the three month period). Again, when the chronic nature of thee problems facing these patients is considered this maintenance of quality of life can be interpreted as a positive impact by the home health care nurses. 3. One of the home care nursing activities was diagnosis. For this activity it was found that for nine functional health categories(sexuality and spirituality excepted) there were 20 nursing diagnoses. The most frequent were noncompliance, alteration in skin integrity both actual and potential, and impaired physical mobility in that order. 4. Delivery of home health care by the home health nurses included the following nursing activities; assessment, patient education, demonstration of care activities, counselling, direct care to the patient and referrals. Direct care included changing dressings, bladder irrigations, changing Foley catheters, measurement of residual urine, perineal care, position change, back care, oral hygiene, exercise and massage of motion exercises, cleansing enemas, tracheostomy suctioning and tracheostomy care, care of dentures, applications of heat and other similar nursing activities. In conclusion almost 50% of (he sample indicated a need for continued nursing care at the time of discharge and for the patients in the sample who received home care there was a slight decrease in nursing needs but while the patients had chronic and debilitation problems there was ill decrease in ADL abilities or in quality of life. Further study needs Lo be done La increase the reliability and validity of the tool that was used to measure home health care needs. It is also recommended that study by done using a randomized sampling with a control group to compare patients who receive home care with those who do not.

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사이버농업기술교육 참가자의 특성과 교육효과 (Participant Characteristic and Educational Effects for Cyber Agricultural Technology Training Courses)

  • 강대구
    • 농촌지도와개발
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    • 제21권1호
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    • pp.35-82
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    • 2014
  • 이 연구는 사이버농업기술교육 참여자의 학습특성과 효과를 분석하여, 적절한 지원방안을 제언하고자 수행되었다. 이를 위하여 문헌연구와 인터넷 조사를 통하여 수행되었다. 이 연구를 통하여 밝혀진 결과는 다음과 같다. 사이버농업기술교육을 수강하는 학생들은 50대와 40대의 대졸수준의 도시출신으로 농업분야 전공자가 아닌 사람들이 다수로서, 월 200-300만원미만의 소득을 올리고 있고, 주로 남성이 농사지식, 개인적능력개발, 담당업무처리능력 개발 목적으로 주로 참여하고 있고, 사이버교육이나 농업에 대한 선행학습경험이 약간 부족한 수준이었고, 학습양식은 구체적-순차적형, 두 가지 이상 복합형이 많았다. 사이버 농업기술교육에서 전반적으로 만족도나 학업성취는 우수하고, 내용구성이나 현업적응도는 비교적 적절한 수준이며, 운영지원과 영향력, 학습과정은 보통수준이었다. 한과목이하 이수집단보다 두과목이상 이수집단이 영향력 평가가 긍정적이었고, 수료증과정과 공개과정 모두를 이수한 집단이 공개과정만 이수한 집단보다 만족도가 더 높았다. 이상의 연구결과를 통하여 농촌진흥청 사이버 농업기술과정에 대한 지원방안을 특성화 프로그램으로의 확대, 지원인력의 확대, 온라인과 오프라인 모임공간 제공, 교육생지역의 농업기술센터와의 연계를 통한 blended learning system 도입, 학습자들의 이해를 돕기 위한 용어와 사전 제시, 흥미유발과 지원을 도울 사이버 튜터 및 인터넷 전화 활용을 제안하였다.

질적 간호제공을 위한 간호단위 시범 운영 효과에 관한 임상적 연구 (A Clinical Study for Promoting Quality Nusing Care in a University Hospital)

  • 이애주;김선한;성영희;유순애;권인각;정연이;남혜경;권은정
    • 대한간호
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    • 제32권5호
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    • pp.66-77
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    • 1994
  • The purpose of this study was to develop a new nursing unit which can meet changing health care needs, enhance patients' satisfaction and nurses' job satisfaction, and finally guarantee quality nursing care with present manpower. For this, one medical unit was selected as a unit for quality care. And one medical unit which is similar in staffing and patients' characteristics was selected as a control unit. To assess present problems and identify the remedies to the problems a hospital-wide survey and a workshop were performed. According to the survey results, educational programs and improvement of the facilities and equipment supply system, managereal support for interdepartmental cooperation and intensification of bed-side nursing care were adopted as main principles for operating model unit, This model unit was operated for 3 months from Sep. 1, 1992 to Nov. 30, 1992. To evaluate the effectiveness of the model unit, derect/indirect nursing care hours, patients' satisfaction to nursing care, nurses' job satisfaction, and quality care index were measured. Direct/indirect nursing care hours were compared with that of the control unit, and patients' and nurses' satisfaction and quality care index were measured before and after operating model unit and compared with each other. The results of the study were as follows; 1. In the model unit mean direct nursing care hours per cach shift was 146.88 minutes and indirect nursing care hours was 354.72 minutes. The ratio of the direct nursing care hour to indirect nursing hour was 29.6 ; 70.4 and that of the control unit was 26.9 : 73.1. Direct nursing care hour in model unit was longer than that of the control unit. But, the difference was not significant. In subcategories of direct nursing care, the time spent in mobility and exercise, conservation of body temperature, hygiene, and communication and health education were longer than that of the con" trol unit. 2. Indirect nursing care hour in model unit was shorter than that of the control unit. But, the difference was not significant. In subcategories of indirect nursing care, the time spent in drug management and ward arrangement was shorter than that of the control unit. 3. Patients' satisfaction to nursing care was increased significantly after operating the model unit (T=-3.48, P=-0.002) and satisfaction to subcategories of physical comfort measure, psychological cate, and unit management components were significantly higher than before. 4. In the model unit, nurses' total job satisfaction was increased significantly after operating the model unit(Z=2.1004, P=.0357) and satisfaction to subcategory of satisfaction to administration was significantly higher than before (Z=-2.0732, P=.0382). 5. After operating the model unit, quality care index was increased from 89 to 93. With this results, it can be summarized that all the measures tried for quality care, such as educational programs, managereal support for interdepartmental cooperation, and improvement of the equipment and facility provision resulted in partial increase in direct nursing care hours, nurses satisfaction to their job and patients' satisfaction to nursing care. In can be postulated that managereal support and motivation without proper staff supplementation is not enough for increasing direct nursing care hours. And for the enhancement of the level in clinical nursing, and staff supplement must be considered sincerely and the measures for reducing indirect nursing care hours, such as computerization of nursing care activities, improvement of facilities and equipment and facilities supply system, must be instituted in addition.

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냉방환경에서 쿨맵시 착용에 따른 생리적 반응과 주관적 감각 (Physiological responses and subjective sensation of human body wearing Cool Mapsi in air-conditioning environment)

  • 강누리;나영주
    • 감성과학
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    • 제13권2호
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    • pp.359-370
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    • 2010
  • 여름철 에너지 절약, 온실가스 줄이기, 직장인의 건강증진 등을 위한 쿨맵시 캠페인에 대하여 범국민 인식 및 실천의 필요를 바탕으로, 본 연구는 착의실험을 통해 클맵시 권장복장 착용시의 생리적 반응 및 주관적 감각에 대해 분석하였다. 1차 실험은 두 복장, 즉 일반복장, 쿨맵시 권장복장에 대한 생리적 반응의 측정으로서, 두 환경기온 $25^{\circ}C$$27^{\circ}C$, 상대습도 50%R.H.에서 20대 성인남성 4명을 대상으로 실험을 행하였다. 일반복장은 긴팔 셔츠 정장바지 차림이었고 쿨맵시 권장복장은 넥타이 없이 반팔셔츠에 정장바지 차림이었다. 피험자는 30분간의 안정기를 가진 후 60분 동안 실험을 실시하였는데 사무실 작업과 유사한 컴퓨터 워드작업을 행하였고, 피부온, 직장온, 의복하 습도, 발한량, 온열감, 습윤감, 쾌적감 등을 측정하였다. 대부분의 반응에서 $25^{\circ}C$ 일반복장의 경우와 $27^{\circ}C$ 쿨맵시복장의 경우가 유사한 결과를 나타내고 우수한 것으로 나타났다. $25^{\circ}C$ 쿨맵시복장의 경우에는 저강도 작업이 지속되면 직장온의 저하가 우려되었으며 $27^{\circ}C$ 일반복장에서는 고 평균 피부온, 고 발한량, 높은 온열감 등을 보였다. 2차 실험은 일반복장을 착용한 채 환경온도를 점진적으로 하강시키면서 권장 여름철 냉방온인 $27^{\circ}C$에서 쿨맵시 권장복장을 착용한 경우의 피부온도를 발현시키는 실내 환경온도를 찾는 것이었다. 그 결과 권장복장 경우의 피부온을 나타내려면 일반복장의 경우에는 환경온을 $2^{\circ}C$를 더 낮추어야만 하였다. 여름철 실내 환경온을 $27^{\circ}C$로 높이고 쿨맵시 권장복장을 착용하는 것이 사무실의 장시간 저강도 작업 하에서는 피부온, 주관적 온열감이 우수하였다.

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임상실습교육의 교수효율성과 임상실습만족도에 관한 상관성 연구 (대구지역을 중심으로) (A study on correlation of teaching efficiency and satisfaction of clinical training in Daegu)

  • 김정숙;정영해
    • 대한치과기공학회지
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    • 제28권1호
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    • pp.121-142
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    • 2006
  • Collecting materials for study on teaching efficiency and satisfaction of clinical training, it changes. Dental technology's educational procedure to many ways of a prospect. In a circumstance that needed higher level of education, this study is aimed on realizing an importance of clinical training through the various materials that previously carried out and offering basic knowledge to take better clinical training for the students. Study results below 1. This Investigation conducted on 123 of sophomores(70.3%) and 52 of juniors(29.7%) who have been taken clinical training, and men's proportion(51.45%)is a bit higher than girls(48.6%). The 64% of respondents taken largest proportion were 20 to 24 years old. As 67.9% of respondents attended daytime school and 30.3% of them attended nighttime one, their school time shows a little difference. In a question about relation ship, one answered "Harmonious" took largest proportion by 72.6% during training, and about the degree of satisfaction of campus life who answered "normal" were the most with 59.4%. 2. About the reason choosing dental technology as a major, 41.1% taken the most answered "due to the specialized job", "Getting job easily" was second with 26.9%, and third was "recommended from around" with 18.3%. 50.3% of the respondents answered "normal" about the Satisfaction of their major, student marked in grade "B" most with 51.4% 3. In a investigation result about clinical training statues and preference, most(72.6%) choose place less than 10 for clinical training, and 60.6% of them resided own home. About their commuting time from home to training place, 44% was under 30min, 40% took time 30-60min. It shows students prefer shotter distance in terms of choosing training place. 4. Each part manager took large proportion as a clinical trainer with 33.7%, Training curriculum reform and developing method were most answer as a improvement measure after completing training with 30%. 5. The average of total score about clinical training was 3.15 of 5. In the detailed question, 'satisfaction of clinical training' got 3.38 as a highest score, the lowest score was 2.86 that is about satisfaction of clinical training period. The average score about efficiency of study was 2.86 and in detailed question, 'a Role model' got 3.26 as a highest score and participation of student got 3.05 as a lowest score. 6. The result of T-test to see the difference of the satisfaction according to the general character and clinic training condition between teaching efficiency is that the degree of satisfaction of clinical training showed statistical significance only in the degree of satisfaction of campus life(p<0.05), and teaching efficiency has a statistical significance with their age, grade, and satisfaction of campus life (p<0.05). 7. The relation between of teaching efficiency of clinical training and satisfaction of clinical training of dental technologic student has a statistical meaning in significance leveler 0.01. Now, therefore we suggest following based on these result. 1. To elevate satisfaction of clinical training, it agentry needs development of consistent clinical training curriculum. 2. To grasp the satisfaction and requirement, in needs to measure anxiousness and satisfactory degree after completing training 3. To train efficiently and evaluate efficiency over the teaching activities, it needs to develop measuring tools for teaching efficiency in terms of teacher's important rules in a clinical training. 4. Strengthen the relations with the study developing and managing curriculum gathering theoretical knowledge and practice. And make an effort to apply to their students. 5. Let the trainee take a class setting a belief, sense of value, function and obtain behavior by making the students comfort over clinical training as increasing teaching efficiency.

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청소년의 음악 감상 행동에 관한 연구 (A study on the behavior of adolescence's music listening)

  • 서승미
    • 인간행동과 음악연구
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    • 제2권2호
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    • pp.1-14
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    • 2005
  • 본 연구는 청소년의 음악 감상 행동과 선호도 요인 및 음악이 갖는 의미와 역할에 대하여 알아보는데 그 목적을 두었다. 연구 대상은 서울시내 남녀고등학교에 재학 중인 2학년 학생들로, 총 158명이 참여하였다. 연구는 설문 조사를 통해 이루어졌으며, 설문은 7개의 객관식 문항과 1개의 서술식 문항으로 구성되었다. 객관식 문항은 SPSS프로그램을 사용하여 단순빈도, 백분율을 산출하였고, 서술식 문항은 응답자가 기입한 내용을 분석하고 주요 단어를 범주화하여 분석하였다. 연구 결과, 청소년의 하루 평균 음악 감상시간은 1시간 이상 2시간 이내가 64명(41.8%)으로 가장 많았고, 그 뒤로 2시간 이상 3시간 이내가 32명으로 전체 응답자의 20.9%를 차지하였다. 다음으로 선호하는 음악 장르는 대중가요가 87명으로 전체 응답자의 56.8%로 가장 높았고, 락과 헤비메탈, POP이 각각11.1%로 대중가요 다음으로 높은 선호도를 보였다. 다음으로 선호하는 음악의 분위기는 조용하고 부드러운 음악이 50.3%, 빠르고 신나는 음악이 24.8%로 나타났다. 음악 선호도 있어서 사회적 요인 즉 또래 친구의 영향 정도는 '그렇다'가 56.7%로 과반수이상의 학생들이 자신의 음악 선호에 또래 친구들이 영향을 미치는 것으로 나타났다. 이어서 음악 선호와 개인적 요인간의 관련 정도 역시 51.6%가 '그렇다'로 대답한 것으로 음악 선호는 개인적 요인 즉 자신의 성격, 성향, 기질과 관련이 있는 것으로 밝혀졌다. 음악 감상의 일상적 사용에 대해 청소년은 휴식할 때(30.1%) 음악을 가장 많이 듣는다고 하였고, 그 다음으로는 이동할 때(24.3%)가 비교적 높은 비율을 나타났다. 음악 감상에 영향을 미치는 상황, 기분의 영향으로는 30.8%가 스트레스가 쌓일 때 음악 감상을 원한다고 하였고, 그 다음으로 우울(27.7%), 외로움(3.7%) 등 청소년에게 음악 감상은 편안함과 스트레스의 경감을 가져다주고, 청소년의 정서에 긍정적인 자극제가 됨을 본 결과를 통해 알 수 있었다. 끝으로 음악의 의미는 스트레스 해소 및 기분전환(25.1%)이 가장 높은 비율로 나타났다. 그 뒤를 이어 평온, 위안(21.8%)이 비교적 높은 비율을 차지하였다. 청소년에게 음악은 정서적인 탈출구와 같은 역할을 하고 기분 및 정서와 깊은 연관이 있으며, 감정을 자극하여 표출하게 하는 의미가 있다. 또한 청소년의 과중한 스트레스와 우울, 불안 등과 같은 심리적 특성은 음악을 더욱 의미 있게 받아들이는 중요한 이유가 된다. 본 연구는 청소년의 음악적 행동과 이들에게 음악이 갖는 의미와 역할을 이해하는 데에 유의미한 정보를 제공하였다. 결론적으로 청소년들은 음악 감상을 통해 긍정적 정서를 경험하고, 자신의 감정을 표출하며, 결국 자신의 감정에 대한 통찰력을 보다 폭 넓게 이해하는 요인으로 작용함을 알 수 있었다.

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공기조화, 냉동 분야의 최근 연구 동향 -2004년 및 2005년 학회지 논문에 대한 종합적 고찰- (Recent Progress in Air Conditioning and Refrigeration Research - A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2004 and 2005 -)

  • 최영돈;강용태;김내현;김만회;박경근;박병윤;박진철;홍희기
    • 설비공학논문집
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    • 제19권1호
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    • pp.94-131
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    • 2007
  • A review on the papers published in the Korean Journal of Air-Conditioning and Refrigerating Engineering in 2004 and 2005 has been done. Focus has been put on current status of research in the aspect of heating, cooling, air-conditioning, ventilation, sanitation and building environment. The conclusions are as follows. (1) Most of fundamental studies on fluid flow were related with heat transportation of facilities. Drop formation and rivulet flow on solid surfaces were interesting topics related with condensation augmentation. Research on micro environment considering flow, heat, humidity was also interesting for comfortable living environment. It can be extended considering biological aspects. Development of fans and blowers of high performance and low noise were continuing topics. Well developed CFD and flow visualization(PIV, PTV and LDV methods) technologies were widely applied for developing facilities and their systems. (2) The research trends of the previous two yews are surveyed as groups of natural convection, forced convection, electronic cooling, heat transfer enhancement, frosting and defrosting, thermal properties, etc. New research topics introduced include natural convection heat transfer enhancement using nanofluid, supercritical cooling performance or oil miscibility of $CO_2$, enthalpy heat exchanger for heat recovery, heat transfer enhancement in a plate heat exchanger using fluid resonance. (3) The literature for the last two years($2004{\sim}2005$) is reviewed in the areas of heat pump, ice and water storage, cycle analysis and reused energy including geothermal, solar and unused energy). The research on cycle analysis and experiments for $CO_2$ was extensively carried out to replace the Ozone depleting and global warming refrigerants such as HFC and HCFC refrigerants. From the year of 2005, the Gas Engine Heat Pump(GHP) has been paid attention from the viewpoint of the gas cooling application. The heat pipe was focused on the performance improvement by the parametric analysis and the heat recovery applications. The storage systems were studied on the performance enhancement of the storage tank and cost analysis for heating and cooling applications. In the area of unused energy, the hybrid systems were extensively introduced and the life cycle cost analysis(LCCA) for the unused energy systems was also intensively carried out. (4) Recent studies of various refrigeration and air-conditioning systems have focused on the system performance and efficiency enhancement. Heat transfer characteristics during evaporation and condensation are investigated for several tube shapes and of alternative refrigerants including carbon dioxide. Efficiency of various compressors and expansion devices are also dealt with for better modeling and, in particular, performance improvement. Thermoelectric module and cooling systems are analyzed theoretically and experimentally. (5) According to the review of recent studies on ventilation systems, an appropriate ventilation systems including machenical and natural are required to satisfied the level of IAQ. Also, an recent studies on air-conditioning and absorption refrigeration systems, it has mainly focused on distribution and dehumidification of indoor air to improve the performance were carried out. (6) Based on a review of recent studies on indoor environment and building service systems, it is noticed that research issues have mainly focused on optimal thermal comfort, improvement of indoor air Quality and many innovative systems such as air-barrier type perimeter-less system with UFAC, radiant floor heating and cooling system and etc. New approaches are highlighted for improving indoor environmental condition as well as minimizing energy consumption, various activities of building control and operation strategy and energy performance analysis for economic evaluation.