{"product_id":"mrcool-signature-3-5-ton-up-to-14-3-seer2-42-000-btu-split-system-heat-pump-mcaeshs4t4221aa","title":"MRCOOL Signature 3.5 Ton up to 14.3 SEER2 42,000 BTU Split System Heat Pump","description":"\u003cp\u003eThe MRCOOL® Signature Series 42k Heat Pump Condenser is a powerful, energy-efficient solution designed to keep your home comfortable all year. With performance ratings of 14.3 SEER2 and 11.7 EER2, it delivers reliable heating and cooling while helping reduce overall energy use and utility bills. Whether you’re facing summer heat or winter chill, this system is built to perform.\u003c\/p\u003e\u003cp\u003ePre-charged with R-454B refrigerant, this model supports modern environmental standards with a lower global warming potential than older refrigerants. The pre-charged design also speeds up installation and reduces labor costs, making it a smart choice for contractors and homeowners alike.\u003c\/p\u003e\u003cp\u003eAt its core, a single-speed scroll compressor ensures steady, long-lasting performance. Enhanced with inner-groove copper tubing, the system provides faster, more efficient heat transfer. Built-in temperature and pressure sensors offer real-time system monitoring and protection, while an intelligent defrost function prevents frost buildup for smooth operation in cold conditions.\u003c\/p\u003e\u003cp\u003eOperating at just 65 decibels, the unit stays quiet enough for residential use, aided by a sound-dampening top. Durability features include a steel louver coil guard, and a wire fan grille, the best for protecting internal components.\u003c\/p\u003e\u003cp\u003eThe compact design allows flexible installation, and accessible service ports simplify maintenance. Backed by a 10-year limited parts warranty and a limited lifetime compressor guarantee, the MRCOOL® Signature Series 42k Heat Pump Condenser offers lasting comfort and confidence.\u003c\/p\u003e\u003ch3\u003eAdditional specifications\u003c\/h3\u003e\u003ctable class=\"rn-spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e840255595810\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eSignature Series Heat Pump Condenser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant charge (oz)\u003c\/th\u003e\n\u003ctd\u003e119.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating capacity (BTU\/h)\u003c\/th\u003e\n\u003ctd\u003e39000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirflow (CFM)\u003c\/th\u003e\n\u003ctd\u003e2950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle (Hz)\u003c\/th\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin circuit ampacity (A)\u003c\/th\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax fuse \/ breaker (A)\u003c\/th\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInverter\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax line set length (ft)\u003c\/th\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin ambient cooling (F)\u003c\/th\u003e\n\u003ctd\u003e59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin ambient heating (F)\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAHRI certified\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eENERGY STAR certified\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUL listed\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eETL listed\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eParts warranty (years)\u003c\/th\u003e\n\u003ctd\u003e10 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompressor warranty (yrs)\u003c\/th\u003e\n\u003ctd\u003eLimited Lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping W x H x D (in)\u003c\/th\u003e\n\u003ctd\u003e30.3 x 34.8 x 30.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight (lbs)\u003c\/th\u003e\n\u003ctd\u003e212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/mc-ss-HP-ap-cnd-im-um-en.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/mc-ss-hp-ap-br-en.pdf\" target=\"_blank\" rel=\"noopener\"\u003eBrochure (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/mc-ss-AC-HP-ap-wr-en.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWarranty (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/AHRI\/mc-MCAESHS4T4221AA-certs.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAHRI certificate (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/EnergyGuide\/mc-MCAESHS4T4221AA-eg-certs.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEnergyGuide label (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"rn-p65\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":48358233800893,"sku":"MCAESHS4T4221AA","price":2239.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/1564\/1277\/files\/mc-ss-ap-cnd-01_lhglrk_715bd585-1ee6-41e3-9e9c-865f4c129b72.jpg?v=1788289543","url":"https:\/\/rnhvacsupply.com\/products\/mrcool-signature-3-5-ton-up-to-14-3-seer2-42-000-btu-split-system-heat-pump-mcaeshs4t4221aa","provider":"RN HVAC Supply","version":"1.0","type":"link"}