Already a subscriber? 

MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?

BS ISO 18107:2026 Variable refrigerant flow air-to-air conditioners and air-to-air heat pumps. Testing and calculating methods for seasonal performance factors and energy performance mapping approach, 2026
- undefined
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Cooling mode [Go to Page]
- 5.1 Test [Go to Page]
- 5.1.1 General
- 5.1.2 Test requirements
- 5.1.3 Temperature and humidity condition
- 5.1.4 Test conditions
- 5.1.5 Test methods
- 5.1.6 Cooling capacity test results
- 5.2 Calculations
- 6 Heating mode [Go to Page]
- 6.1 Test [Go to Page]
- 6.1.1 General
- 6.1.2 Test requirements
- 6.1.3 Temperature conditions
- 6.1.4 Test conditions
- 6.1.5 Test methods
- 6.2 Calculations
- 7 Test methods and uncertainties of measurements [Go to Page]
- 7.1 Test methods
- 7.2 Uncertainty of measurement
- 7.3 Test tolerances
- 8 Test report [Go to Page]
- 8.1 General
- 8.2 Adjustments
- 8.3 Data to be recorded
- 9 Publication of ratings [Go to Page]
- 9.1 Standard ratings
- 9.2 Other ratings
- 10 Energy performance mapping approach for building simulation purposes
- Annex A (normative) Calculations of annual performance factor (APF)
- Annex B (normative) Calculations of the cooling seasonal performance factor (CSPF) for hot climates
- Annex C (normative) Calculation of total annual performance factor (TAPF), total cooling seasonal performance factor (TCSPF) and total heating seasonal performance factor (THSPF)
- Annex D (normative) Integrated energy efficiency ratio (IEER)
- Annex E (normative) Calculation methods for EER,d, seasonal space cooling efficiency ηs,c, SEER and SEER,on
- Annex F (normative) Calculation method for COP,d, seasonal space heating efficiency ηs,h, SCOP, SCOP,on and SCOP,net of direct expansion system heat pumps
- Annex G (normative) Test method for CSPF
- Annex H (normative) Test method for HSPF
- Annex I (normative) Refrigerant piping requirements
- Annex J (normative) Requirements for rating
- Annex K (normative) Airflow rate setting and measurement
- Annex L (normative) Test methods for electric power input during thermostat off mode, standby mode, off mode and crankcase heater mode
- Annex M (normative) Controls verification procedure (CVP) to verify one critical parameter – compressor speed
- Annex N (normative) Controls verification procedure (CVP) for three critical parameters
- Annex O (informative) Development of supplemental testing instructions for set-up and testing for three critical parameters CVP
- Annex P (normative) Capacity test method and requirements for three critical parameters CVP
- Annex Q (informative) Energy performance mapping approach for air-cooled VRF equipment
- Annex R (informative) Heat recovery test for air-to-air units with integrated heat recovery
- Annex S (informative) Recommended compliance criteria for performance testing
- Annex T (informative) Defrost controls
- Annex U (normative) Reference outdoor temperature bin distribution for cooling seasonal performance factor (CSPF) calculation for T3 climate
- Annex V (normative) Applicable climate bins for calculating SEER, SEER,on, SCOP, SCOP,on and SCOP,net
- Annex W (informative) Climate zone classification
- Bibliography [Go to Page]