{"product_id":"commercial-load-calculation-handbook-niles-brackenridge-9798189051623","title":"Commercial Load Calculation Handbook: Master HVAC Sizing, Heat Pump Design, Ventilation Loads, Envelope Performance, Electrification Strategies, and E","description":"\u003cp\u003e\u003ci\u003e\u003cb\u003eMost commercial HVAC engineers learned load calculation from textbooks written for a different era - one without low-GWP refrigerant mandates, electrification requirements, or energy codes that penalise oversized systems.\u003c\/b\u003e\u003c\/i\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAre you still sizing commercial systems using methods that predate A2L refrigerants and the latest energy codes? Do you struggle to verify the numbers your software produces, or defend your equipment selections when a plan reviewer asks you to show your work? When a client asks whether their building qualifies for an all-electric heat pump system, do you have a calculation-backed answer ready?\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThe commercial HVAC landscape has changed faster in the past five years than in the previous three decades. A2L refrigerants are now the baseline for most equipment categories. Heat pump electrification is a code-driven expectation on projects of every size. A load calculation that passed review five years ago may no longer support a compliant design today.\u003c\/p\u003e\u003cp\u003eThis handbook delivers a complete, sequential, calculation-based workflow - from heat transfer fundamentals and psychrometrics through envelope loads, solar heat gain, internal gains, ventilation, and infiltration, assembling everything into zone cooling and heating load calculations, then extending into variable refrigerant flow sizing, heat pump balance-point analysis, A2L safety compliance, energy code pathways, and a fully integrated case study of a mixed-use commercial building.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eReaders will be able to: \u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCalculate block and zone cooling loads with full unit tracking and code-correct inputs\u003c\/li\u003e\n\u003cli\u003eSize and correct variable refrigerant flow systems for actual project conditions\u003c\/li\u003e\n\u003cli\u003eDetermine balance points and supplemental heating requirements for air-source heat pump installations\u003c\/li\u003e\n\u003cli\u003eEvaluate A2L charge limits, ventilation requirements, and detection thresholds for compliance\u003c\/li\u003e\n\u003cli\u003eDemonstrate energy code compliance for envelope assemblies and mechanical systems\u003c\/li\u003e\n\u003cli\u003eConstruct a complete load calculation package ready for permit submission and peer review\u003c\/li\u003e\n\u003cli\u003eApply psychrometric analysis to coil selection and humidity control on real projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003eEngineers who depend on software outputs they cannot verify are increasingly at a disadvantage as clients and reviewers demand documented answers. As electrification and refrigerant regulations become standard on every project, fluency in these methods shifts from a differentiator to a baseline expectation. The engineers who build this fluency now will be leading project teams while others are still catching up.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eGet your copy today and start calculating with the confidence that comes from understanding every number you put on paper.\u003c\/b\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Niles Brackenridge,Geektech Publications\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798189051623\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 07\/26\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 578\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 2.91lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 1.17d","brand":"Niles Brackenridge","offers":[{"title":"Paperback","offer_id":49084364259583,"sku":"9798189051623","price":85.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.whiterainbookhouse.com\/products\/commercial-load-calculation-handbook-niles-brackenridge-9798189051623","provider":"WR Book House","version":"1.0","type":"link"}