MUH-EMSQ25WiFi Thermostat

D2271 Daikin Connected Thermostat with WiFi Reference Guide 2 Important Notes NOTE: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by Goodman could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: » Reorient or relocate the receiving antenna. » Increase the separation between the equipment and receiver. » Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. » Consult the dealer or an experienced radio/ TV technician for help. This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s license-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. REMARQUE: Cet équipement a été testé et déclaré conforme aux limites imposées aux appareils numériques de classe B, conformément à la section 15 du règlement de la FCC. Ces limites sont conçues pour fournir une protection raisonnable contre les interférences nuisibles dans une installation résidentielle. Cet équipement génère, utilise et peut émettre des fréquences radio et, s’il n’est pas installé et utilisé conformément aux instructions, il peut causer des interférences nuisibles aux radiocommunications. Cependant, rien ne garantit que des interférences ne se produiront pas dans une installation particulière. Si cet équipement provoque des interférences nuisant à la réception de la radio ou de la télévision, ce qui peut être déterminé en éteignant et en rallumant l’équipement, l’utilisateur est invité à tenter de corriger les interférences en appliquant l’une ou plusieurs des mesures suivantes: » Réorienter ou déplacer l’antenne de réception. » Augmenter la distance entre l’équipement et le récepteur. » Connecter l’équipement à une prise d’un circuit différent de celui auquel le récepteur est connecté. » Consulter le concessionnaire ou un technicien expérimenté en radio/télévision pour obtenir de l’aide. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement 3D2271 DAIKIN CONNECTED THERMOSTAT REFERENCE GUIDE Glossary of Terms Differential: The number of degrees the room temperature can drift above/below setpoint before energizing heating or cooling. Also known as ‘Temperature Swing’. Heat Setpoint: The coolest temperature that the space should drop to before heating is turned on (without regard to deadband). Icon: The word or symbol that appears on the thermostat display. Mode: The current operating condition of the thermostat (i.e. Off, Heat, Cool, Auto, Program On). Programmable Thermostat: A thermostat that has the capability of running Scheduling. Scheduling: A program that allows the thermostat to automatically adjust the heat setpoint and/or the cool setpoint based on the time of the day and day of the week. Cool Setpoint: The warmest temperature that the space should rise to before cooling is turned on Auto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand. Deadband: The minimum difference between heat and cool setpoints when running in auto-changeover 1 2 3 4 5 6 7 8 9 4 Installation Instructions Remove and replace the old thermostat To install the thermostat properly, please follow these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. » Installation tools: Small flat blade screwdriver, Phillips screwdriver, wire cutters and wire strippers. » Make sure your Heater/Air Conditioner is working properly before beginning installation of the thermostat. » Carefully unpack the thermostat. Save the screws, any brackets, and instructions. » Turn off the power to the Heating/Air Conditioning system at the main fuse panel. Most residential systems have a separate breaker or switch for disconnecting power to a furnace (if installed). » Remove the cover of the old thermostat. If it does not come off easily, check for screws. Loosen the screws holding the thermostat base or subbase to the wall and lift away. » If you have a smart phone handy, take a photo of the wiring for future reference. » Disconnect the wires from the old thermostat. Tape the ends of the wires as you disconnect them, and mark them with the letter of the terminal for easy reconnection to the new thermostat. » Keep the old thermostat for reference purposes, until your new thermostat is functioning properly. Wire Connection…

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RADIO FREQUENCY EXPOSURE REPORT REVISED REPORT FOR TO 110588-11 WiFi Thermostat Model: D2271 Report No.: 110588-11A Date of issue: November 25, 2025 PREPARED FOR: Corey McTigue Venstar, LLC 8511 Fallbrook Ave, STE 450 West Hills, CA 91304 PREPARED BY: E. WONG CKC Laboratories, Inc. 5046 Sierra Pines Drive Mariposa, CA 95338 The test data contained in this report documents the observed testing parameters pertaining to and are relevant for only the sample equipment tested in the agreed upon operational mode(s) and configuration(s) as identified herein. Compliance assessment remains the client’s responsibility. This report may not be used to claim product endorsement by A2LA or any government agencies. This test report has been authorized for release under quality control from CKC Laboratories, Inc. Steve Behm Director of Quality Assurance & Engineering Services CKC Laboratories, Inc. Page 2 of 13 Report No: 110588-11A Purpose: To demonstrate compliance with United States, Canada, Australia, New Zealand, European Union and/or United Kingdom RF Exposure requirements for Portable equipment (devices used ≤20cm from the body) with power output below exemption levels or Mobile equipment (devices used >20cm from the body) where Maximum Permissible Exposure (MPE) Calculations apply. Device and Antenna Operating Configuration: Device operating at maximum output power with continuous transmission of modulated data. Method: This equipment is evaluated in accordance with the guidelines set forth in 47 CFR 1.1310, KDB 447498 & ANSI C95.1 for the US, Health Canada Safety Code 6 & RSS 102 for Canada, ARPANSA RPS S-1 for AU & NZ and EN 62479 or EN 62311 for EU and UK. Other Considerations: Report considers stand-alone equipment configurations only. RF Exposure limits are calculated at the mid-point of each operating band . Referenced Test Reports: The following test reports were referenced in conjunction with this assessment: 110588-8 110588-10 Decision Rule: Outcome of RF exposure assessment is listed in the comment section(s) below as a binary statement for simple acceptance rule according to ILAC-G8 (2019). Designation Information: Location *NIST CB# FCC Canada Canyon Park, Bothell, WA US0103 US1024 3082C Brea, CA 3082D Fremont, CA 3082B Mariposa, CA 3082A Revision History Original: Testing of the WiFi Thermostat, Model: D2271 to RF Exposure Calculations. Revision A: To update power from Peak to Average. Page 3 of 13 Report No: 110588-11A RF Exposure Mobile Equipment Assessment Power Density Calculations (Single Transmitter, Stand Alone) MPE Calculation: 푃표푤푒푟 퐷푒푛푠푖푡푦 ( 푆 ) = 퐸퐼푅푃 4휋 푑 2 Given: EIRP in mW or W and d in cm or m US MPE Assessment Power Reported is: ☐ Peak ☒ Average Limit Used is: ☒ General Population ☐ Occupational Exposure Operating Band MHz Power dBm Ant Type/Gain dBi EIRP dBm Distance cm MPE mW/cm 2 Limit mW/cm 2 Comment 2440-2483.5 14.8 1.6 16.4 20 0.008684 1.00 Pass IC MPE Assessment Power Reported is: ☐ Peak ☒ Average Limit Used is: ☒ General Population ☐ Occupational Exposure Operating Band MHz Power dBm Ant Type/Gain dBi EIRP dBm Distance m MPE W/m 2 Limit W/m 2 Comment 2440-2483.5 14.8 1.6 16.4 0.2 0.09 5.41 Pass Page 4 of 13 Report No: 110588-11A Summary: Exemptions: Equipment demonstrating compliance by portable RF exposure exemption have been evaluated, without further testing, for use under either portable or mobile RF exposure configurations. Additional configurations including collocation or simultaneous transmission with other transmitters (including necessary separation distances) are subject to further assessment. Certain exemption criteria may define specific separation distances. It is assumed that the manufacturer shall design the equipment such that these minimum separation distance is met. MPE Calculation Results: Equipment demonstrating compliance with MPE calculations have been evaluated, without further testing, for use under mobile RF exposure configurations as identified herein. Additional configurations including collocation or simultaneous transmission with other transmitters (including necessary separation distances) are subject to further assessment. It is assumed that the manufacturer shall design the equipment such that the minimum separation distance of 20cm (or greater, as listed above) is met or that the manufacturer provides a protection guide (e.g. installation instructions) to the end user such that the antenna(s) may be installed in accordance with the manufacturer’s instructions in such a manor to maintain the minimum separation distance. General Comments: The absorption and distribution of Electromagnetic energy in the body is a very complex phenomena that depends on the mass, shape and physiological condition of the body; the orientation of the body with respect to the fields; and, the electrical properties of the body and the environment. Variables that may play a substantial role in possible biological effects are those that characterize the environment (including but not limited to: ambient temperature, air velocity, relative humidity and body insulation); and those that characterize the individual (including but not limited to: age, gender, activity level and existing debilitation or disease). Because innumerable factors may interact to determine specific biological effects of exposure to electromagnetic fields, any protection guide should consider both intended and unintended operational environments and provide guidance for installation and use of the equipment such that proper separation distances can be maintained. (ANSI C95.1) Page 5 of 13 Report No: 110588-11A APPENDIX A - RF Exposure Limits United States Compliance Requirements (1.1310): RF Exposure Evaluation Limits Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-3.0 614 1.63 *(100) < 6 3.0-30 1842 / f MHz 4.89 / f MHz *(900 / f MHz 2 ) < 6 30-300 61.4 0.163 1 <…

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This report contains a total of 88 pages and may be reproduced in full only. Partial reproduction may only be done with the written consent of CKC Laboratories, Inc. Venstar, LLC REVISED TEST REPORT TO 110588-8 WiFi Thermostat Model: D2271 Tested to The Following Standards: FCC Part 15 Subpart C Section(s) 15.207 & 15.247 (DTS 2400-2483.5 MHz) Report No.: 110588-8A Date of issue: November 25, 2025 This test report bears the accreditation symbol indicating that the testing performed herein meets the test and reporting requirements of ISO/IEC 17025 under the applicable scope of testing for CKC Laboratories, Inc. We strive to create long-term, trust based relationships by providing sound, adaptive, customer first testing services. We embrace each of our customers’ unique EMC challenges, not as an interruption to set processes, but rather as the reason we are in business. Test Certificate # 803.01 Page 2 of 88 Report No.: 110588-8A TABLE OF CONTENTS Administrative Information .......................................................................................................................... 3 Test Report Information ............................................................................................................................................ 3 Revision History ......................................................................................................................................................... 3 Report Authorization ................................................................................................................................................. 3 Test Facility Information ............................................................................................................................................ 4 Software Versions ...................................................................................................................................................... 4 Site Registration & Accreditation Information .......................................................................................................... 4 Summary of Results ................................................................................................................................................... 5 Standard / Specification: FCC Part 15 Subpart C - 15.247 (DTS) ............................................................................ 5 Modifications During Testing ..................................................................................................................................... 5 Conditions During Testing ......................................................................................................................................... 5 Equipment Under Test (EUT) ..................................................................................................................................... 6 General Product Information: ................................................................................................................................... 7 FCC Part 15 Subpart C ................................................................................................................................. 14 15.247(a)(2) 6dB Bandwidth .................................................................................................................................... 14 15.247(b)(3) Output Power ..................................................................................................................................... 24 15.247(d) RF Conducted Emissions & Band Edge .................................................................................................... 35 15.247(d) Radiated Emissions & Band Edge ............................................................................................................ 46 15.247(e) Power Spectral Density ........................................................................................................................... 70 15.207 AC Conducted Emissions.............................................................................................................................. 80 Supplemental Information .......................................................................................................................... 87 Measurement Uncertainty ...................................................................................................................................... 87 Emissions Test Details .............................................................................................................................................. 87 Page 3 of 88 Report No.: 110588-8A Administrative Information Test Report Information REPORT PREPARED FOR: REPORT PREPARED BY: Venstar, LLC 8511 Fallbrook Ave, STE 450 West Hills, CA 91304 Viviana Prado CKC Laboratories, Inc. 5046 Sierra Pines Drive Mariposa, CA 95338 Representative: Corey McTigue Project Number: 110588 Customer Reference Number: 20241029MF DATE OF EQUIPMENT RECEIPT: November 11, 2024 DATE(S) OF TESTING: November 11, 12, 13, and 15, 2024 Revision History Original: Testing of the WiFi Thermostat, Model: D2271 to FCC Part 15 Subpart C Section(s) 15.207 & 15.247 (DTS 2400-2483.5 MHz). Revision A: To include additional Radiated Band Edge plots. Report Authorization The test data contained in this report documents the observed testing parameters pertaining to and are relevant for only the equipment provided by the client, tested in the agreed upon operational mode(s) and configuration(s) as identified herein. Compliance assessment remains the client’s responsibility. This report may not be used to claim product endorsement by A2LA or any government agencies. This test report has been authorized for release under quality control from CKC Laboratories, Inc. Steve Behm Director of Quality Assurance & Engineering Services CKC Laboratories, Inc. Page 4 of 88 Report No.: 110588-8A Test Facility Informatio…

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Unlicensed Transmitters: Approved Antennas List Manufacturer Antenna Description Type Peak Gain (dBi) Min Cable loss (dB) Ω Connector Type Notes Taiyo Yuden AH316M245001-T Chip Monopole 1.6 0 50 Integral Spec Sheet http://www.ty-top.com The data i s reference only. Electrical c haracteristics vary depending on environment or measurement condition. TAIYO YUDEN reserves t he right t o make change to the data at any t ime without notice. Before making final s election, please check product specification. Chip Antennas(Multilayer) AH316M245001-T Features Item Summary MonoPole, 3.2x1.6x0.5mm, for Bluetooth/W-LAN/ZigBee Lifecycle Stage New PN available Standard packaging quantity (minimum) Taping Embossed 3000pcs Products characteristics table SystemBluetooth/W-LAN/ZigBee Frequency Band Width2400 to 2500 MHz Center Frequency2450 MHz Gain1 (Peak Gain)(typ)+1.6 dBi Gain2 (Ave. Gain at OMNI plane)-0.1 dBi Efficiency (typ)-1.4 dB (72 %) VSWR (typ)3 TypeMonoPole Operating Temp. Range-40 to +85 °C RoHS Compliance (10 subst.)Yes REACH Compliance (223 subst.)Yes Halogen FreeYes SolderingReflow External Dimensions Dimension L3.2 ±0.15 mm Dimension W1.6 ±0.15 mm Dimension T0.5 ±0.1 mm Dimension E0.5 ±0.2 mm Dimension bMin 1.0 mm 2022.06.09 Powered by TCPDF (www.tcpdf.org) 1 / 1 ■ Notice for TA I YO YUDEN Products Please read this notice before using the TA I YO YUDEN products. ■ Please conduct validation and verification of our products in actual condition of mounting and operating environment before using our products. ■ The product listed in this spec sheet is intended for use in general electronic equipment (e.g., AV equipment, OA equipment, home electric appliances, office equipment, information and communication equipment including, without limitation, mobile phone, and PC). Please be sure to contact TA I YO YUDEN for further information before using the products for any equipment which may directly cause loss of human life or bodily injury (e.g., transportation equipment including, without limitation, automotive powertrain control system, train control system, and ship control system, traffic signal equipment, disaster prevention equipment, medical equipment classified as Class I, II or III by IMDRF, highly public information network equipment including, without limitation, telephone exchange, and base station). Please do not incorporate our products into any equipment requiring high levels of safety and/or reliability (e.g., aerospace equipment, aviation equipment, medical equipment classified as Class IV by IMDRF, nuclear control equipment, undersea equipment, military equipment). When our products are used even for high safety and/or reliability‐required devices or circuits of general electronic equipment, it is strongly recommended to perform a thorough safety evaluation prior to use of our products and to install a protection circuit as necessary. Please note that unless you obtain prior written consent of TA I YO YUDEN, TA I YO YUDEN shall not be in any way responsible for any damages incurred by you or third parties arising from use of the product listed in this spec sheet for any equipment requiring inquiry to TA I YO YUDEN or prohibited for use by TA I YO YUDEN as described above. ■ Information contained in this spec sheet is intended to convey examples of typical performances and/or applications of our products and is not intended to make any warranty with respect to the intellectual property rights or any other related rights of TA I YO YUDEN or any third parties nor grant any license under such rights. ■ Please note that the scope of warranty for our products is limited to the delivered our products themselves and TA I YO YUDEN shall not be in any way responsible for any damages resulting from a fault or defect in our products. Notwithstanding the foregoing, if there is a written agreement (e.g., supply and purchase agreement, quality assurance agreement) signed by TA I YO YUDEN and your company, TA I YO YUDEN will warrant our products in accordance with such agreement. ■ The contents of this spec sheet are applicable to our products which are purchased from our sales offices or authorized distributors (hereinafter “TAIYO YUDEN’s official sales channel”). Please note that the contents of this spec sheet are not applicable to our products purchased from any seller other than TA I YO YUDEN’s official sales channel. ■ Caution for Export The product listed in this spec sheet may require specific procedures for export according to “U.S. Export Administration Regulations”, “Foreign Exchange and Foreign Trade Control Law” of Japan, and other applicable regulations. Should you have any questions on this matter, please contact our sales staff. ! REMINDERS

Venstar, LLC WO# 110588 EUT and Accessory Photo(s) View 1 View 2 View 3 View 4 View 5 View 6 Support Equipment Photo(s) View 1 View 2 View 3 Test Setup Photo(s) 6dB Bandwidth Output Power Voltage Variations RF Conducted RF Conducted Emissions RF Radiated Emissions 0.8m, View 1 0.8m, View 2 1.5m, View 1 1.5m, View 2 Above 1GHz, View 1 Above 1GHz, View 2 Power Spectral Density AC Conducted Emissions View 1 View 2